Climate and monthly weather forecastHull, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hull, Iowa, is another subzero cold winter month, with an average temperature ranging between max 23.4°F (-4.8°C) and min 10.6°F (-11.9°C). The coldest temperatures occur during January, when averages reach a peak of 23.4°F (-4.8°C) and a low of 10.6°F (-11.9°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Hull, Iowa, with an average temperature fluctuating between 27.3°F (-2.6°C) and 14°F (-10°C). Hull's average high-temperature marks a still subzero cold 27.3°F (-2.6°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Hull, Iowa, with an average temperature ranging between max 43.5°F (6.4°C) and min 28.8°F (-1.8°C). Witnessing a clear upsurge, the average high-temperature during March escalates from February's freezing cold 27.3°F (-2.6°C) to a chilly 43.5°F (6.4°C). Weather in March »Weather in April
April is a moderate spring month in Hull, Iowa, with an average temperature ranging between max 56.1°F (13.4°C) and min 39.9°F (4.4°C). An increase in the average high-temperature marks April, moving from March's chilly 43.5°F (6.4°C) to a moderate 56.1°F (13.4°C). Weather in April »Weather in May
May, the last month of the spring in Hull, is an agreeable month, with an average temperature fluctuating between 51.3°F (10.7°C) and 68.2°F (20.1°C). With the onset of May, Hull's average high-temperature experiences a rise, moving from April's mild 56.1°F (13.4°C) to a pleasant 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Hull, Iowa, with an average temperature varying between 77.9°F (25.5°C) and 61.3°F (16.3°C). As June sets, the average high-temperature shows an increase, moving up from an agreeable 68.2°F (20.1°C) in May to a warm 77.9°F (25.5°C). Weather in June »Weather in July
July, like June, in Hull, Iowa, is another warm summer month, with an average temperature varying between 81.5°F (27.5°C) and 63.3°F (17.4°C). Temperature records mark July as the warmest month, with highs averaging 81.5°F (27.5°C) and lows at 63.3°F (17.4°C). The average heat index in July is computed to be 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 Hull, Iowa, with an average temperature ranging between min 59.7°F (15.4°C) and max 80.1°F (26.7°C). With the onset of August, the average high-temperature stands at a still moderately hot 80.1°F (26.7°C), closely aligned with July's 81.5°F (27.5°C). Weather in August »Weather in September
September, the first month of the autumn in Hull, is still a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 54°F (12.2°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 80.1°F (26.7°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, the same as September, in Hull, Iowa, is another mild autumn month, with an average temperature varying between 57.9°F (14.4°C) and 41.9°F (5.5°C). Hull's transition into October is marked by a clear temperature shift, receding from a warm 73.9°F (23.3°C) in September to a refreshing 57.9°F (14.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Hull, Iowa, with an average temperature fluctuating between 30°F (-1.1°C) and 43.7°F (6.5°C). November's onset brings a slight change in high-temperatures, falling from a mild 57.9°F (14.4°C) in October to a chilly 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Hull, Iowa, with an average temperature varying between 27.9°F (-2.3°C) and 16.7°F (-8.5°C). Hull's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a frosty 43.7°F (6.5°C) in November to a freezing cold 27.9°F (-2.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hull, IA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23.4°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 (10.6°F).
Average pressure
Hull, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Hull, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
8mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.3mph - 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 (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity
Hull, IA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Hull, IA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.67" - Average rainfall in March:
1.57" - Average rainfall in April:
2.36" - Average rainfall in May:
2.91" - Average rainfall in June:
3.35"
- Average rainfall in July:
1.85" - Average rainfall in August:
1.97" - Average rainfall in September:
2.05" - Average rainfall in October:
2.13" - Average rainfall in November:
0.79" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days
Hull, IA
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
3 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3 days).
Average snowfall
Hull, IA
- Average snowfall in January:
3.03" - Average snowfall in February:
3.15" - Average snowfall in March:
2.68" - Average snowfall in April:
1.65" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hull, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
6.8 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:
1.5 days - Average snowfall days in November:
4 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hull, IA
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - 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 0min
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 0min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Hull, IA
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
17 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Hull, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Hull, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Hull, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





