Climate and monthly weather forecastGilman, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Gilman, Iowa, with an average temperature varying between 13.8°F (-10.1°C) and 27°F (-2.8°C). In Gilman, January is the month with the lowest recorded average temperatures, measuring a high of 27°F (-2.8°C) and a low of 13.8°F (-10.1°C). Weather in January »Weather in February
February, the last month of the winter in Gilman, is also a subzero cold month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 17.4°F (-8.1°C). Gilman experiences a subtle adjustment in high-temperatures to a still subzero cold 31.1°F (-0.5°C) with the onset of February, maintaining near parity with January's 27°F (-2.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Gilman, Iowa, with an average temperature ranging between min 31.3°F (-0.4°C) and max 45.7°F (7.6°C). March's arrival is marked by a notable elevation in high-temperatures, rising from a freezing cold 31.1°F (-0.5°C) in February to a frosty 45.7°F (7.6°C). Weather in March »Weather in April
April is a refreshing spring month in Gilman, Iowa, with an average temperature fluctuating between 41.9°F (5.5°C) and 58.5°F (14.7°C). Gilman in April sees a temperature change, with average high-temperatures moving from a frosty 45.7°F (7.6°C) in March to a refreshing 58.5°F (14.7°C). Weather in April »Weather in May
May, the last month of the spring in Gilman, is a pleasant month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 52.3°F (11.3°C). The average high-temperature increases in May, moving from a mild 58.5°F (14.7°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Gilman, Iowa, with an average temperature varying between 78.4°F (25.8°C) and 62.4°F (16.9°C). As Gilman transitions into June, a rise in the average high-temperature is observed, moving from an agreeable 69.3°F (20.7°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Gilman, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.1°F (27.3°C). July is the month that records the highest temperatures, with averages ranging from a high of 81.1°F (27.3°C) to a low of 64.8°F (18.2°C). During July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Gilman, Iowa, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 62.2°F (16.8°C). The transition from July to August brings an average high-temperature of a still moderately hot 80.2°F (26.8°C), barely different from July's 81.1°F (27.3°C). Weather in August »Weather in September
September, the first month of the autumn in Gilman, is still a warm month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 74.7°F (23.7°C). September sees a slight reduction in average high-temperature, with a shift from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.7°F (23.7°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Gilman, Iowa, with an average temperature fluctuating between 44.4°F (6.9°C) and 59.9°F (15.5°C). As Gilman, Iowa, welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's warm 74.7°F (23.7°C) to a refreshing 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Gilman, Iowa, with an average temperature ranging between max 46.2°F (7.9°C) and min 32.5°F (0.3°C). The onset of November comes with a shift in the average high-temperature, falling from a moderate 59.9°F (15.5°C) in October to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
December, the first month of the winter in Gilman, is also a wintry month, with an average temperature ranging between max 33.1°F (0.6°C) and min 22.1°F (-5.5°C). Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 46.2°F (7.9°C) in November to a cold 33.1°F (0.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Gilman, IA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure
Gilman, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"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:
29.97"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Gilman, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.6mph - 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 month (with the lowest average wind speed) is August (7mph).
Average humidity
Gilman, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Gilman, IA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
0.87" - Average rainfall in April:
1.3" - Average rainfall in May:
1.97" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.02" - Average rainfall in September:
1.26" - Average rainfall in October:
0.94" - Average rainfall in November:
0.71" - Average rainfall in December:
0.51"
The wettest months (with the highest rainfall) are May and June (1.97").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Gilman, IA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
12 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (4.1 days).
Average snowfall
Gilman, IA
- Average snowfall in January:
1.81" - Average snowfall in February:
1.77" - Average snowfall in March:
0.67" - Average snowfall in April:
0.31" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Gilman, IA
- Average snowfall days in January:
8.1 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.3 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:
0.5 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Gilman, IA
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Gilman, IA
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.4 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Gilman, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Gilman, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Gilman, IA
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





