Climate and monthly weather forecastColwell, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Colwell, Iowa, with an average temperature ranging between max 22.6°F (-5.2°C) and min 10.6°F (-11.9°C). With average temperatures fluctuating between a high of 22.6°F (-5.2°C) and a low of 10.6°F (-11.9°C), January stands out as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Colwell, Iowa, with an average temperature fluctuating between 13.5°F (-10.3°C) and 26.4°F (-3.1°C). The average high-temperature during February registers at a still subzero cold 26.4°F (-3.1°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Colwell, Iowa, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 27.7°F (-2.4°C). The shift from February to March brings a noticeable increase in the average high-temperature, escalating from a freezing cold 26.4°F (-3.1°C) to an icy 41.5°F (5.3°C). Weather in March »Weather in April
April in Colwell, Iowa, is a cool spring month, with an average temperature ranging between max 54.9°F (12.7°C) and min 38.8°F (3.8°C). April shows a rise in the average high-temperature, moving from March's wintry 41.5°F (5.3°C) to a fresh 54.9°F (12.7°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Colwell, Iowa, with an average temperature fluctuating between 50.5°F (10.3°C) and 66.7°F (19.3°C). May brings a rise in the average high-temperature, transitioning from April's fresh 54.9°F (12.7°C) to an enjoyable 66.7°F (19.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Colwell, Iowa, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 60.3°F (15.7°C). June's arrival brings a temperature shift, moving from a refreshing 66.7°F (19.3°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, like June, in Colwell, Iowa, is a moderately hot summer month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 62.6°F (17°C). With an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 62.6°F (17°C), July is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Colwell, Iowa, with an average temperature fluctuating between 77.5°F (25.3°C) and 59.9°F (15.5°C). The weather during August records an average high-temperature of a still warm 77.5°F (25.3°C), closely mirroring the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Colwell, is also an agreeable month, with an average temperature varying between 53.4°F (11.9°C) and 72.1°F (22.3°C). The arrival of September corresponds with a light shift in temperature, down from a moderately hot 77.5°F (25.3°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »Weather in October
October, the same as September, in Colwell, Iowa, is a moderate autumn month, with an average temperature fluctuating between 57.4°F (14.1°C) and 42.3°F (5.7°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's agreeable 72.1°F (22.3°C) to a moderate 57.4°F (14.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Colwell, Iowa, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 30.2°F (-1°C). In Colwell, the average high-temperature in November drops, from a refreshing 57.4°F (14.1°C) in October, to a chilly 42.8°F (6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Colwell, Iowa, with an average temperature fluctuating between 28.4°F (-2°C) and 18.3°F (-7.6°C). December marks a distinct drop in the average high-temperature, descending from November's chilly 42.8°F (6°C) to a subzero cold 28.4°F (-2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Colwell, IA
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure
Colwell, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Colwell, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Colwell, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Colwell, IA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.34" - Average rainfall in March:
1.77" - Average rainfall in April:
2.95" - Average rainfall in May:
3.82" - Average rainfall in June:
4.17"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Colwell, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10 days - Average rainfall days in April:
15 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Colwell, IA
- Average snowfall in January:
5.55" - Average snowfall in February:
6.5" - Average snowfall in March:
3.07" - Average snowfall in April:
2.24" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Colwell, IA
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
8.7 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.3 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:
1.9 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
13.8 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Colwell, IA
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Colwell, IA
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Colwell, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Colwell, IA
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Colwell, IA
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).





