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Contents
- The climate of Bettendorf
- The best time to visit Bettendorf
- The worst time to visit Bettendorf
- Spring weather in Bettendorf
- Summer weather in Bettendorf
- Autumn weather in Bettendorf
- Winter weather in Bettendorf
- 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
Modern homes in an estate in Bettendorf, Iowa, set in a luxurious and serene environment overlooking the calm sea out front
The climate of Bettendorf
In the heart of the Midwest, Bettendorf, Iowa, presents a vibrant climate deeply rooted in its geographical position, delineated by the Humid-continental, no dry season, hot summer per Köppen climate classification - coded Dfa. This classification underlines the prominence of four distinctive seasons, each having a unique weather pattern.
The annual temperature regime fluctuates widely, with an average high temperature ranging from 28°F (-2.2°C) in January to 81.7°F (27.6°C) in July, and an average low, swaying between 15.6°F (-9.1°C), in winter months, up to 64.9°F (18.3°C) during the summer. Summers in Bettendorf bring high humidity, peaking at 83% in January and July, and a substantial rainfall count with the highest precipitation observed in May at 4.49" (114mm).
Throughout the year, rainfall varies, with Bettendorf experiencing an annual range from 1.26" (32mm) in December to a peak of 4.49" (114mm) in May. Consequently, this weather pattern affects the number of rainfall days, which increases from 4.3 days in January to a maximum of 17.5 days in May. Similarly, the frequency of snowy days oscillates from zero in summer to 10.9 times in the winter month of January, with resulting snowfall amounts extending from zero to 3.98" (101mm).
The wind speed in Bettendorf changes depending on the season, reaching the fastest pace of 10.6mph (17.1km/h) in April while slowing down to the yearly lowest of 6.7mph (10.8km/h) in August. Wind gusts also vary seasonally, with the highest peaks seen in January and November at 16.5mph (26.6km/h).
The annual temperature regime fluctuates widely, with an average high temperature ranging from 28°F (-2.2°C) in January to 81.7°F (27.6°C) in July, and an average low, swaying between 15.6°F (-9.1°C), in winter months, up to 64.9°F (18.3°C) during the summer. Summers in Bettendorf bring high humidity, peaking at 83% in January and July, and a substantial rainfall count with the highest precipitation observed in May at 4.49" (114mm).
Throughout the year, rainfall varies, with Bettendorf experiencing an annual range from 1.26" (32mm) in December to a peak of 4.49" (114mm) in May. Consequently, this weather pattern affects the number of rainfall days, which increases from 4.3 days in January to a maximum of 17.5 days in May. Similarly, the frequency of snowy days oscillates from zero in summer to 10.9 times in the winter month of January, with resulting snowfall amounts extending from zero to 3.98" (101mm).
The wind speed in Bettendorf changes depending on the season, reaching the fastest pace of 10.6mph (17.1km/h) in April while slowing down to the yearly lowest of 6.7mph (10.8km/h) in August. Wind gusts also vary seasonally, with the highest peaks seen in January and November at 16.5mph (26.6km/h).
The best time to visit Bettendorf
Given the city's rich cultural and outdoor activities, the timing of a visit to Bettendorf could be optimized depending on the type of weather sought by visitors. The best time weather-wise might be between late spring and early fall, when temperatures are typically warmer and rainfall isn't as frequent. During this period, daytime temperatures stay comfortably within the range of 70.3°F (21.3°C) to 80.8°F (27.1°C) from May to September, and the humidity slightly less oppressive, ranging from 77% to 79%.
The worst time to visit Bettendorf
Tourists may want to avoid visiting Bettendorf during the colder months. Primarily, January stands out as the coldest month, registering the lowest average temperature of 28°F (-2.2°C), and the highest average relative humidity at 83%. Additionally, this period experiences a higher frequency of snowfall days, reaching an average of 10.9 days with an accumulation of 3.98" (101mm) of snow.
Spring weather in Bettendorf
Spring months in Bettendorf are marked by rising temperatures and increased rainfall. From March to May, average high temperatures scale from 46.8°F (8.2°C) to 70.3°F (21.3°C), with lows mounting from 32°F (0°C) to 53.2°F (11.8°C). During this period, the average number of rainfall days expands from 11 to 17.5 per month, and the rainfall volume grows from 1.85" (47mm) to 4.49" (114mm), making May the wettest month.
Summer weather in Bettendorf
Summer in Bettendorf is generally warm and humid, with temperatures reaching their peak in July at an average high of 81.7°F (27.6°C) and a low of 64.9°F (18.3°C). The number of rainfall days is fairly stable, hovering between 15.3 and 16.6 days. Rainfall volume decreases after its peak in May, with amounts varying from 2.8" (71mm) to 3.39" (86mm) consistently throughout the summer months.
Autumn weather in Bettendorf
Autumn in Bettendorf sees a decrease in temperature, with November having an average high of 46.8°F (8.2°C) and an average low of 33.3°F (0.7°C). Rainfall days also reduce, starting from 11.5 in September down to 8.6 in November, while rainfall volume oscillates between 1.77" (45mm) and 2.4" (61mm).
Winter weather in Bettendorf
The winter in Bettendorf ushers in cold conditions, January being the coldest month, reporting an average high temperature of 28°F (-2.2°C) and a low of 15.6°F (-9.1°C). Snowfall becomes a significant factor now, particularly in January, which witnesses an average of 10.9 snowfall days leading to an accumulation of 3.98" (101mm) of snow.
Weather in January
Being the coldest month in Bettendorf, Iowa, January introduces the new year with chill, daily high temperatures hovering at 28°F (-2.2°C) and the lows at around 15.6°F (-9.1°C). Due to this, this month is characterized by heavy woolen garments, frosty breaths, and huddles around heat sources. Weather in January »
Weather in February
February is slightly milder, with temperatures rising to about 32.7°F (0.4°C) but still clinging to its wintry demeanor. The snow from the previous month starts to recede, with the snowfall days halved compared to January. It is also observed that the cloud cover reduces, allowing more sunlight to filter through during the day. Weather in February »
Weather in March
Moving towards spring, the weather pattern in March in Bettendorf exhibits more significant changes. The highest temperature takes a jump to 46.8°F (8.2°C), and snowfall reduces to about 1.73 in. Much of the snow starts to melt away, and the gray world starts to regain its color. Weather in March »
Weather in April
April marks the onset of spring in full swing in Bettendorf, Iowa. The temperatures hover around 59°F (15°C), and the city observes the highest rainfall in the year, amounting to roughly 3.03 in. Consequently, the city sees a flourish of spring blooms, making the cityscape a delightful sight to behold. Weather in April »
Weather in May
As May settles in, we can see a clear shift from the cool weather to milder, more enjoyable temperatures around 70.3°F (21.3°C). Rainfall is at its annual peak this month, with an average accumulation of approximately 4.49 in, leading to lush green expanses and blooming flower beds. Weather in May »
Weather in June
In June, Bettendorf embraces the warmth of the summer season, as temperatures reach a comfortable peak of 79°F (26.1°C). The increasing warmth also means heightened humidity levels that could make the hot days feel hotter. Despite the rainfall decreasing from the previous month to about 3.39 in, the city continues to remain bright and sun-kissed throughout. Weather in June »
Weather in July
July brings the heat in Bettendorf, Iowa, with the highest temperatures shooting to around 81.7°F (27.6°C). The summer provides bountiful sunlight, with sunshine hours spanning an average of 10.2 hours per day. Despite the temperatures, rain provides a refreshing break from the heat, with rainfall days averaging around 15.3 days. Weather in July »
Weather in August
August experiences similar weather to July, with temperatures averaging out at around 80.8°F (27.1°C). The daylight hours start to decrease slowly as the summer begins to wane. However, the decrease does not significantly affect the amount of sunlight Bettendorf gets. Weather in August »
Weather in September
As September rolls around in Bettendorf, noticeable changes in the weather become apparent. The temperatures drop to around 75.4°F (24.1°C), and shadows start falling earlier. The diminishing sunlight hours make for the appearance of beautiful sunsets, painting the Iowa sky with hues of red, orange, and pink. Weather in September »
Weather in October
October can clearly be marked as the start of the fall season in Bettendorf, with temperatures dropping significantly to about 61.3°F (16.3°C). The number of rainfall days reduces to around 12 days per month. The city finds itself preparing for the colder months, shedding its summer vivacity. Weather in October »
Weather in November
November is when the chill begins to set in again in Bettendorf, with temperatures falling to around 46.8°F (8.2°C). The weather cooperates with the holiday season's mellow mood, creating a classic November feel. Drops in rainfall and a decrease in sunshine hours further amplify this ambiance. Weather in November »
Weather in December
Bettendorf, Iowa, welcomes December with temperatures around 34.3°F (1.3°C), marking the onset of the winter season. A marked increase in snowfall with a recorded 1.89 in confirms the arrival of winter. The increasing chill can be felt in the air, heralding the approach of Christmas. Weather in December »
Updated: Aug 20, 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 is the coldest month?
In Bettendorf, the average lowest temperatures are observed in January, with a high of 28°F (-2.2°C) and a low of 15.6°F (-9.1°C).
What is the most humid month?
The months with the highest humidity are January and July, with an average relative humidity of 83%.
How many days does it rain?
Throughout the year, there are 138.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 10.9 days and typically aggregates up to 3.98" (101mm) of snow.
How many days does it snow?
In Bettendorf, during the entire year, snow falls for 35.5 days and aggregates up to 12.8" (325mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.9h of sunshine.
What is the month with the lowest UV index?
January is the month with the lowest UV index in Bettendorf, with an average maximum UV index of 1.
What is the driest month?
February is the month with the least rainfall. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bettendorf, 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 May, when the rain falls for 17.5 days and typically aggregates up to 4.49" (114mm) of precipitation.
When it does not snow in Bettendorf?
May through September are months without snowfall.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What is the warmest month?
Bettendorf's warmest temperatures are experienced in July, with average high temperatures of 81.7°F (27.6°C) and lows of 64.9°F (18.3°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.2h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Bettendorf, IA
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Bettendorf, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Bettendorf, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Bettendorf, IA
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bettendorf, IA
- Average rainfall in January:
1.3" - Average rainfall in February:
1.1" - Average rainfall in March:
1.85" - Average rainfall in April:
3.03" - Average rainfall in May:
4.49" - Average rainfall in June:
3.39"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days
Bettendorf, IA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
11 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Bettendorf, IA
The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bettendorf, IA
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
1 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:
0.5 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bettendorf, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Bettendorf, IA
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Bettendorf, IA
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Bettendorf, IA
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Bettendorf, IA
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).
Bettendorf, Iowa, USA
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