Climate and monthly weather forecastCumming, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cumming, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 15.1°F (-9.4°C). January, characterized by an average high temperature of 28.2°F (-2.1°C) and a low temperature of 15.1°F (-9.4°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Cumming, is a wintry month, with an average temperature varying between 18°F (-7.8°C) and 32.4°F (0.2°C). The arrival of February records an average high-temperature of a cold 32.4°F (0.2°C), closely related to the 28.2°F (-2.1°C) observed in January. Weather in February »Weather in March
March, the first month of the spring in Cumming, is a chilly month, with an average temperature ranging between min 32.2°F (0.1°C) and max 47.5°F (8.6°C). Cumming's transition into March is marked by a clear temperature shift, advancing from a wintry 32.4°F (0.2°C) in February to a chilly 47.5°F (8.6°C). Weather in March »Weather in April
April in Cumming, Iowa, is a refreshing spring month, with an average temperature varying between 42.4°F (5.8°C) and 59.7°F (15.4°C). With the arrival of April, the average high-temperature transitions from a chilly 47.5°F (8.6°C) in March to a moderate 59.7°F (15.4°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Cumming, Iowa, with an average temperature varying between 53.1°F (11.7°C) and 69.6°F (20.9°C). The arrival of May signals an increase in the average high-temperature, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Cumming, Iowa, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.8°F (17.1°C). The commencement of June sees a shift in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in May to a warm 79.5°F (26.4°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Cumming, Iowa, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 83.1°F (28.4°C). July is the month when Cumming experiences its warmest temperatures, averaging a high of 83.1°F (28.4°C) and a low of 65.5°F (18.6°C). The heat index for July is appraised at a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Cumming, is also a moderately hot month, with an average temperature fluctuating between 62.6°F (17°C) and 81.7°F (27.6°C). In the transition from July to August, Cumming reports an average high-temperature of a still warm 81.7°F (27.6°C), indicating a close resemblance to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Cumming, is also a moderately hot month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.6°F (24.2°C). Cumming's progression into September involves a gentle drop in the average high-temperature, from a warm 81.7°F (27.6°C) in August to a still moderately hot 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, in Cumming, Iowa, is a moderate autumn month, with an average temperature varying between 45°F (7.2°C) and 60.6°F (15.9°C). October's arrival is marked by a significant decrease in the average high-temperature, moving from a moderately hot 75.6°F (24.2°C) in September to a refreshing 60.6°F (15.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Cumming, Iowa, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 47.1°F (8.4°C). The arrival of November corresponds with a temperature reduction, down from October's moderate 60.6°F (15.9°C) to a chilly 47.1°F (8.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Cumming, Iowa, with an average temperature ranging between min 22.5°F (-5.3°C) and max 34.2°F (1.2°C). December weather is marked by a drop in the average high-temperature, falling from a frosty 47.1°F (8.4°C) in November to an icy 34.2°F (1.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cumming, IA
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Cumming, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Cumming, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Cumming, IA
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Cumming, IA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
1.02" - Average rainfall in April:
1.46" - Average rainfall in May:
2.76" - Average rainfall in June:
2.64"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.85" - Average rainfall in September:
1.73" - Average rainfall in October:
1.18" - Average rainfall in November:
0.71" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Cumming, IA
- Average rainfall days in January:
4 days - Average rainfall days in February:
3 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3 days).
Average snowfall
Cumming, IA
- Average snowfall in January:
2.24" - Average snowfall in February:
2.2" - Average snowfall in March:
0.98" - Average snowfall in April:
0.35" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Cumming, IA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.2 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:
0.6 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Cumming, IA
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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:
4h and 18min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Cumming, IA
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
18 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
22.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (12.2 days).
Average UV index
Cumming, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Cumming, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility
Cumming, 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).





