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Contents
- The climate of Wentzville
- The best time to visit Wentzville
- The worst time to visit Wentzville
- Spring weather in Wentzville
- Summer weather in Wentzville
- Autumn weather in Wentzville
- Winter weather in Wentzville
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Wentzville
Positioned within the region classified under the Köppen Climate Classification as Cfa, Wentzville, Missouri, occupies a weather zone that experiences a humid subtropical climate with no distinct dry season. Marked by a progressive swing in temperature from cooler to warmer months, the town experiences considerable variation in its weather parameters throughout the year.
The temperatures fluctuate from an average low of 23.5°F (-4.7°C) in January to an average high of 87.1°F (30.6°C) in July. Correspondingly, the presence of humidity varies minimally during the year, with a consistent presence from 72% to 79%. The rainfall pattern in Wentzville is relatively consistent, ranging from a monthly average of 1.77in in February to a peak of 3.82in in April.
Despite enjoying rainfall around the year, one can note the absence of substantial snowfall from May to September. In stark contrast, January and February witness the heaviest snowfall averaging 2.52in and 3.15in respectively. The daylight hours exhibit a similar progressive pattern, increasing from 9.8h in January to a peak of 14.9h in June before receding. Conversely, periods of sunshine hit a maximum of 10.5h in both June and July.
In the ascent of these months with maximum sunshine hours, average wind speed decreases from 8.9mph (14.3km/h) in January to 5.5mph (8.9km/h) in both July and August. The recorded wind gusts maintain consistency throughout the year, reaching a yearly high of 14.4mph (23.2km/h) in January and dropping to the year's minimum of 9.1mph (14.6km/h) in July.
The temperatures fluctuate from an average low of 23.5°F (-4.7°C) in January to an average high of 87.1°F (30.6°C) in July. Correspondingly, the presence of humidity varies minimally during the year, with a consistent presence from 72% to 79%. The rainfall pattern in Wentzville is relatively consistent, ranging from a monthly average of 1.77in in February to a peak of 3.82in in April.
Despite enjoying rainfall around the year, one can note the absence of substantial snowfall from May to September. In stark contrast, January and February witness the heaviest snowfall averaging 2.52in and 3.15in respectively. The daylight hours exhibit a similar progressive pattern, increasing from 9.8h in January to a peak of 14.9h in June before receding. Conversely, periods of sunshine hit a maximum of 10.5h in both June and July.
In the ascent of these months with maximum sunshine hours, average wind speed decreases from 8.9mph (14.3km/h) in January to 5.5mph (8.9km/h) in both July and August. The recorded wind gusts maintain consistency throughout the year, reaching a yearly high of 14.4mph (23.2km/h) in January and dropping to the year's minimum of 9.1mph (14.6km/h) in July.
The best time to visit Wentzville
Considering the range of weather parameters, the best time to visit Wentzville would coincide with the late spring and early summer months. During this period, from May to June, temperatures are comfortably warm, averaging between 74.7°F (23.7°C) and 84.6°F (29.2°C), without reaching the year's peak in July and August. Coinciding with the periods of longest daylight, these months also promise the highest levels of sunshine, registering monthly averages of 9.5h to 10.5h, respectively.
The worst time to visit Wentzville
Visiting Wentzville during the winter months of January and February might prove to be challenging, especially for those who are unaccustomed to severe cold. During these months, the mean minimum temperature drops to 23.5°F (-4.7°C) and 27°F (-2.8°C) respectively. Coupled with the highest wind gusts that can reach up to 14.4mph (23.2km/h), the conditions might be uncomfortable for many. In addition, these months record the highest snowfall figures of the year, further imposing restrictions on outdoor activities.
Spring weather in Wentzville
Spring in Wentzville witnesses a steady transition from March to May with average high temperatures elevating from 54.1°F (12.3°C) to 74.7°F (23.7°C). While April records the maximum rainfall at 3.82in, May sees a decrease in precipitation, with rainfall averaging at 3.78in. Corresponding daylight hours also extend from 12h in March to 14.3h in May, complimented by increased sunshine hours from 6.6h to 9.5h. These changing weather conditions herald the onset of the warmer seasons.
Summer weather in Wentzville
The summer months, from June to August, in Wentzville are marked by high temperature and peak daylight hours. During this season, the average high temperature hovers between 84.6°F (29.2°C) and 87.1°F (30.6°C). Daylight hours also register at their peak, with June enjoying the longest duration of sunlight at 14.9h. Corresponding to the peak temperatures, this period also experiences a decreased wind speed, recording an average of 6.3mph (10.1km/h) to 5.5mph (8.9km/h).
Autumn weather in Wentzville
Autumn in Wentzville, from September to November, demonstrates a gradual decline in temperatures. Over this period, average high temperatures reduce from 79.3°F (26.3°C) in September to 53.1°F (11.7°C) in November. Correspondingly, daylight hours shrink from 12.4h in September to 10.1h in November. This period also experiences a decrease in rainfall, with the average falling from 2.13in in September to 1.97in in November.
Winter weather in Wentzville
Winter in Wentzville is characteristically cold and windy, with the temperatures varying between a low of 23.5°F (-4.7°C) in January to a high of 41.7°F (5.4°C) in December. January and February dominate with the maximum snowfall at an average of 2.52in and 3.15in. Daylight hours are shortest during this time, recording a low of 9.5h in December. Corresponding to these harsher conditions, wind speeds also reach their peak during winter months, averaging between 8.3mph (13.4km/h) to 8.5mph (13.7km/h).
Weather in January
Winter in Wentzville, Missouri starts off chilly, but not excessively cold. State residents experience a blend of cold temperatures and moderate rainfall. The mercury dips to the coldest of the year, presenting lows at 23.5°F (-4.7°C) and peaking at 37.4°F (3°C). Weather in January »
Weather in February
February brings a slight rise in temperatures, marking the transition towards spring. Despite being the second month of the year, Wentzville does not lag in preparing for warmth. On the contrary, temperatures tend to reach 41.9°F (5.5°C) at their highest, edging closer to more optimal conditions. Weather in February »
Weather in March
With the arrival of March, the weather begins to show definitive signs of spring. Temperatures make a steady climb and the city of Wentzville starts to experience more rainfall. The humble rise in temperatures from chilly February days results in highs of 54.1°F (12.3°C). Weather in March »
Weather in April
April introduces a notable shift in Wentzville's climate. A mix of warm weather and regular intervals of rainfall creates fertile conditions. Temperatures ascend further to 65.5°F (18.6°C) on the higher end, instigating the growth of lush greenery. Weather in April »
Weather in May
May signals the true arrival of spring in Wentzville, as temperatures increase and days become longer. The previous month’s breeze transforms into calm winds, making the weather seem milder. The climax of this temperature rise is 74.7°F (23.7°C), bordering on summer averages. Weather in May »
Weather in June
June triggers the advent of summer with increased heat and sunlight exposure in Wentzville, Missouri. The stepped-up temperatures reach a warm 84.6°F (29.2°C), the truest manifestation of the summer start. Despite the warmth, there is a balanced supply of rainfall, preserving the harmony in the ecosystem. Weather in June »
Weather in July
July is typified by enhanced warmth and abundant sunshine in Wentzville. Being the peak of summer, temperatures rise to a sizzling 87.1°F (30.6°C), the peak being the zenith of the year. Although the city experiences regular rainfall, it's mostly a hot and dry month. Weather in July »
Weather in August
August offers a continuation of the hot summer climate in Wentzville, with minimal variation from July. The temperature ascends to its second peak of 85.5°F (29.7°C), prior to the advent of eventual cooling. The continuity of rainfall manages the heat to a certain extent, averting any chances of severe drought. Weather in August »
Weather in September
September commences the turning down phase of the hot summer in Wentzville. The subtle descent of temperatures starts giving sampling tastes of autumn. Taking a breather from the August heat, temperatures cool down, reaching a high of only 79.3°F (26.3°C). Weather in September »
Weather in October
October signifies the arrival of fall in Wentzville, Missouri, with noticeably cooler temperatures. The decreasing temperatures signal the changing of leaves, creating picturesque landscapes. A marked drop in temperature results in a high of 65.7°F (18.7°C), reminding residents of the approaching winter. Weather in October »
Weather in November
November in Wentzville brings the first shivers of the forthcoming winter. The temperature continues to plunge, holding a mirror to the transformation of colorful leaves to skeletal trees. This month experiences a peak temperature of 53.1°F (11.7°C), setting the prelude for the winter chill. Weather in November »
Weather in December
December announces the onset of winter in Wentzville, Missouri, along with a drastic drop in temperatures. The festive holiday season coincides with cold nights and numb mornings. Temperatures bottom at 41.7°F (5.4°C), sometimes even lower, with the winter cold thoroughly setting in. Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Wentzville's temperature records reveal January as the coldest month, marked by average highs of 37.4°F (3°C) and lows of 23.5°F (-4.7°C).
How much does it rain?
Throughout the year, there are 152.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 21.4 snowfall days, and 8.62" (219mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.7h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 8.1 days and typically collects 1.77" (45mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 6.6 days and typically aggregates up to 3.15" (80mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
The month with the most rainfall is April, when the rain falls for 15.8 days and typically aggregates up to 3.82" (97mm) of precipitation.
What is the most humid month?
With an average relative humidity of 79%, May is the most humid month.
When it does not snow?
In Wentzville, snow does not fall in May through October.
What is the month with the highest UV index in Wentzville?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the month with the most sunshine in Wentzville?
June and July, with an average of 10.5h of sunshine, are months with the most sunshine.
What time of the year is the hottest?
July is the month when Wentzville experiences its warmest temperatures, averaging a high of 87.1°F (30.6°C) and a low of 68°F (20°C).
What is the least humid month?
The least humid month is October, with an average relative humidity of 72%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Wentzville, MO
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Wentzville, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Wentzville, MO
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Wentzville, MO
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Wentzville, MO
- Average rainfall in January:
1.81" - Average rainfall in February:
1.77" - Average rainfall in March:
2.68" - Average rainfall in April:
3.82" - Average rainfall in May:
3.78" - Average rainfall in June:
3.39"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.07" - Average rainfall in September:
2.13" - Average rainfall in October:
2.72" - Average rainfall in November:
1.97" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days
Wentzville, MO
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
Wentzville, MO
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Wentzville, MO
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Wentzville, MO
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Wentzville, MO
- Average sunshine days in January:
17 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Wentzville, MO
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Wentzville, MO
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Wentzville, MO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Wentzville, Missouri, USA
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