Climate and monthly weather forecastAllison, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Allison, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 24.1°F (-4.4°C) and 11.8°F (-11.2°C). January tends to be the coldest month, with temperatures averaging a daily high of 24.1°F (-4.4°C) and a low of 11.8°F (-11.2°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Allison, Iowa, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28.2°F (-2.1°C). In the transition from January to February, Allison reports an average high-temperature of a still subzero cold 28.2°F (-2.1°C), indicating a close resemblance to the prior month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Allison, Iowa, with an average temperature fluctuating between 43.3°F (6.3°C) and 29.5°F (-1.4°C). March is characterized by a noticeable escalation in the average high-temperature, rising from a subzero cold 28.2°F (-2.1°C) in February to a frosty 43.3°F (6.3°C). Weather in March »Weather in April
April is a refreshing spring month in Allison, Iowa, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 39.9°F (4.4°C). April brings a rise in the average high-temperature, transitioning from March's chilly 43.3°F (6.3°C) to a refreshing 56.3°F (13.5°C). Weather in April »Weather in May
May, the last month of the spring in Allison, is an agreeable month, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 51.8°F (11°C). May brings a rise in Allison's average high-temperature, moving from a moderate 56.3°F (13.5°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Allison, Iowa, with an average temperature varying between 77.5°F (25.3°C) and 61.3°F (16.3°C). The shift into June is characterized by a rise in the average high-temperature, transitioning from May's pleasant 68.2°F (20.1°C) to a moderately hot 77.5°F (25.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Allison, Iowa, with an average temperature ranging between max 79.9°F (26.6°C) and min 63.3°F (17.4°C). Allison notes the warmest temperatures in July, with a high average of 79.9°F (26.6°C) and a low of 63.3°F (17.4°C). Weather in July »Weather in August
August, the last month of the summer in Allison, is another warm month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 60.6°F (15.9°C). The shift to August signals an average high-temperature of a still moderately hot 78.4°F (25.8°C), subtly varied from July's 79.9°F (26.6°C). Weather in August »Weather in September
September, the first month of the autumn in Allison, is still a pleasant month, with an average temperature ranging between min 54.3°F (12.4°C) and max 73.2°F (22.9°C). The weather during September records an average high-temperature of an agreeable 73.2°F (22.9°C), closely mirroring the preceding month. Weather in September »Weather in October
October, the same as September, in Allison, Iowa, is another refreshing autumn month, with an average temperature ranging between min 43.2°F (6.2°C) and max 58.3°F (14.6°C). In Allison, the average high-temperature in October significantly decreases from a pleasant 73.2°F (22.9°C) in September to a mild 58.3°F (14.6°C). Weather in October »Weather in November
November, the last month of the autumn in Allison, is also a frosty month, with an average temperature ranging between max 43.9°F (6.6°C) and min 31.1°F (-0.5°C). In November, the meteorological conditions markedly change with the average high-temperature descending from a mild 58.3°F (14.6°C) in October to a frosty 43.9°F (6.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Allison, Iowa, with an average temperature fluctuating between 19.9°F (-6.7°C) and 30.6°F (-0.8°C). Allison's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 43.9°F (6.6°C) to a freezing cold 30.6°F (-0.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Allison, IA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure
Allison, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.14"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:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Allison, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.3mph
- 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:
10.5mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Allison, IA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Allison, IA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.3" - Average rainfall in March:
1.85" - Average rainfall in April:
3.43" - Average rainfall in May:
4.69" - Average rainfall in June:
4.76"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.44" - Average rainfall in September:
2.56" - Average rainfall in October:
2.68" - Average rainfall in November:
1.46" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Allison, IA
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
19 days - Average rainfall days in June:
20.1 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Allison, IA
- Average snowfall in January:
5.31" - Average snowfall in February:
5.51" - Average snowfall in March:
2.76" - Average snowfall in April:
2.01" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Allison, IA
- Average snowfall days in January:
13.5 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.3 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:
1.3 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Allison, 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 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 48min - 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 48min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Allison, IA
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).
Average UV index
Allison, IA
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Allison, IA
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Allison, IA
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





