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Contents
- 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
Weather in January
January, the same as December, is a wintry winter month in Saint Ann, Missouri, with an average temperature ranging between min 24.3°F (-4.3°C) and max 37.2°F (2.9°C). With average high and low temperatures of 37.2°F (2.9°C) and 24.3°F (-4.3°C) respectively, January is Saint Ann's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Saint Ann, Missouri, with an average temperature ranging between max 42.1°F (5.6°C) and min 27.5°F (-2.5°C). Saint Ann records an average high-temperature of a still icy 42.1°F (5.6°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Saint Ann, is a fresh month, with an average temperature varying between 37.9°F (3.3°C) and 54.1°F (12.3°C). Saint Ann's March weather shows an increase in high-temperatures, moving from February's wintry 42.1°F (5.6°C) to a fresh 54.1°F (12.3°C). Weather in March »
Weather in April
April is an enjoyable spring month in Saint Ann, Missouri, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 65.3°F (18.5°C). As Saint Ann transitions into April, a rise in the average high-temperature is observed, moving from a cool 54.1°F (12.3°C) in March to a comfortable 65.3°F (18.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Saint Ann, Missouri, with an average temperature fluctuating between 57.6°F (14.2°C) and 74.8°F (23.8°C). With the onset of May, Saint Ann's average high-temperature experiences a rise, moving from April's comfortable 65.3°F (18.5°C) to a moderately hot 74.8°F (23.8°C). Weather in May »
Weather in June
June, the first month of the summer in Saint Ann, is still a warm month, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.2°F (29°C). June's onset brings a rise in the average high-temperature, moving from a moderately hot 74.8°F (23.8°C) in May to a still warm 84.2°F (29°C). Weather in June »
Weather in July
July in Saint Ann, Missouri, is a hot summer month, with an average temperature ranging between max 86.7°F (30.4°C) and min 68.9°F (20.5°C). In Saint Ann, Missouri, the month of July is known for its highest average temperatures, reaching a high of 86.7°F (30.4°C) and a low of 68.9°F (20.5°C). July's mean heat index is evaluated at a very hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Saint Ann, Missouri, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 67.1°F (19.5°C). The advent of August observes an average high-temperature of a warm 85.5°F (29.7°C), nearly identical to July's 86.7°F (30.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Saint Ann, is also a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 60.1°F (15.6°C). As September arrives, Saint Ann's weather displays a minor decrease in high-temperatures, transitioning from August's warm 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Saint Ann, Missouri, with an average temperature fluctuating between 49.5°F (9.7°C) and 66°F (18.9°C). October comes with a drop in the average high-temperature, falling from September's warm 79.7°F (26.5°C) to a refreshing 66°F (18.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Saint Ann, is another cool month, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 37.9°F (3.3°C). November brings a decrease in the average high-temperature, shifting from an enjoyable 66°F (18.9°C) in October to a fresh 53.2°F (11.8°C). Weather in November »
Weather in December
December, the first month of the winter in Saint Ann, is still a cold month, with an average temperature ranging between min 30°F (-1.1°C) and max 42.1°F (5.6°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) in November to a wintry 42.1°F (5.6°C). Weather in December »
Updated: Feb 12, 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 are the coldest months in Saint Ann?
The coldest time of the year in Saint Ann is January, with temperatures averaging a high of 37.2°F (2.9°C) and a low of 24.3°F (-4.3°C).
How much does it rain in Saint Ann?
In Saint Ann, Missouri, during the entire year, the rain falls for 141.9 days and collects up to 27.68" (703mm) of precipitation.
When does it snow in Saint Ann?
January through March, November and December are months with snowfall.
How many days does it snow in Saint Ann?
In Saint Ann, during the entire year, snow falls for 21.6 days and aggregates up to 6.73" (171mm) of snow.
What is the month with the least sunshine in Saint Ann?
The month with the least sunshine is January, with an average of 4.6h of sunshine.
What are the months with the lowest UV index in Saint Ann?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Ann.
What is the driest month in Saint Ann?
February is the month with the least rainfall in Saint Ann. Rain falls for 7.3 days and accumulates 1.42" (36mm) of precipitation.
When does it snow the most in Saint Ann?
February is the month with the most snowfall. Snow falls for 6.2 days and accumulates 2.05" (52mm) of snow.
When is Daylight Saving Time (DST) in Saint Ann?
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.
When it does not snow in Saint Ann?
In Saint Ann, Missouri, snow does not fall in April through October.
What is the most humid month in Saint Ann?
The most humid month is May, with an average relative humidity of 77%.
What is the wettest month in Saint Ann?
The month with the most rainfall in Saint Ann is May, when the rain falls for 16 days and typically aggregates up to 3.31" (84mm) of precipitation.
When is the highest UV index in Saint Ann?
The months with the highest UV index in Saint Ann are May through August, with an average maximum UV index of 6.
When are the longest days in Saint Ann?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What time of the year is the hottest in Saint Ann?
July is the warmest month of the year in Saint Ann, Missouri, registering average temperatures as high as 86.7°F (30.4°C) and as low as 68.9°F (20.5°C).
What month has the most sunshine in Saint Ann?
July has the most sunshine of the year in Saint Ann, Missouri, with an average of 10.6h of sunshine.
What is the least humid month in Saint Ann?
October is the least humid month in Saint Ann, Missouri, with an average relative humidity of 70%.
What is the month with the shortest days in Saint Ann?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Saint Ann.
Average temperature
Saint Ann, MO
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Saint Ann, 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:
29.94"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
Saint Ann, MO
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity
Saint Ann, MO
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Saint Ann, MO
- Average rainfall in January:
1.61" - Average rainfall in February:
1.42" - Average rainfall in March:
1.97" - Average rainfall in April:
3.19" - Average rainfall in May:
3.31" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.95" - Average rainfall in September:
1.73" - Average rainfall in October:
2.24" - Average rainfall in November:
1.61" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days
Saint Ann, MO
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).
Average snowfall
Saint Ann, MO
The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Saint Ann, MO
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.2 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:
4.4 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Saint Ann, 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 4min - Average sunshine in March:
6h and 3min - 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 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Saint Ann, MO
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Saint Ann, 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 and December (UV index 2).
Average cloud cover
Saint Ann, 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
Saint Ann, 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).
Saint Ann, Missouri, USA
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