Climate and monthly weather forecastHanna City, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hanna City, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 18.9°F (-7.3°C). Hanna City reaches its lowest average temperatures in January, measuring 30.7°F (-0.7°C) at the peak and 18.9°F (-7.3°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is a cold month in Hanna City, Illinois, with an average temperature fluctuating between 35.2°F (1.8°C) and 22.5°F (-5.3°C). Upon the onset of February, Hanna City witnesses an average high-temperature of an icy 35.2°F (1.8°C), showing a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Hanna City, is a chilly month, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 34°F (1.1°C). March's arrival signals a temperature shift, moving from a cold 35.2°F (1.8°C) in February to a frosty 49.1°F (9.5°C). Weather in March »Weather in April
April is a comfortable spring month in Hanna City, Illinois, with an average temperature fluctuating between 60.8°F (16°C) and 44.2°F (6.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's frosty 49.1°F (9.5°C) to a refreshing 60.8°F (16°C). Weather in April »Weather in May
May, the last month of the spring in Hanna City, is an agreeable month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.6°F (22°C). Hanna City's transition into May is marked by a rise in the average high-temperature, advancing from a comfortable 60.8°F (16°C) in April to a pleasant 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Hanna City, is a moderately hot month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.9°F (26.6°C). The shift into June brings a slight increase in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Hanna City, Illinois, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.3°F (18.5°C). Hanna City's July weather, with an average high temperature of 82°F (27.8°C) and an average low temperature of 65.3°F (18.5°C), tends to be the warmest of the year. July's heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Hanna City, Illinois, with an average temperature ranging between min 63.3°F (17.4°C) and max 81.1°F (27.3°C). Hanna City experiences an average high-temperature of a still warm 81.1°F (27.3°C) in August, marking an insignificant shift from 82°F (27.8°C) in July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Hanna City, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 76.1°F (24.5°C). Hanna City's shift from August to September is accompanied by an average high-temperature of a still warm 76.1°F (24.5°C), a slight deviation from 81.1°F (27.3°C). Weather in September »Weather in October
October, like September, in Hanna City, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 46.4°F (8°C). Hanna City's weather in October involves a decrease in the average high-temperature, moving down from September's warm 76.1°F (24.5°C) to an enjoyable 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Hanna City, Illinois, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.7°F (1.5°C). With November's arrival, Hanna City sees a decrease in average high-temperatures, moving from a comfortable 62.1°F (16.7°C) in October to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Hanna City, Illinois, with an average temperature ranging between min 26.1°F (-3.3°C) and max 36.5°F (2.5°C). December brings a decrease in the average high-temperature, shifting from a chilly 48.4°F (9.1°C) in November to an icy 36.5°F (2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hanna City, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Hanna City, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"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 (29.91"Hg).
Average wind speed
Hanna City, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Hanna City, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Hanna City, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.34" - Average rainfall in April:
2.01" - Average rainfall in May:
2.64" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.3" - Average rainfall in September:
1.42" - Average rainfall in October:
1.46" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Hanna City, IL
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Hanna City, IL
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hanna City, IL
- Average snowfall days in January:
9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hanna City, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Hanna City, IL
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.6 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:
19.4 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Hanna City, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Hanna City, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Hanna City, IL
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).





