Climate and monthly weather forecastOmaha, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Omaha, Illinois, is a wintry winter month, with an average temperature varying between 38.3°F (3.5°C) and 26.1°F (-3.3°C). During the coldest month, January, temperatures average a high of 38.3°F (3.5°C) and a low of 26.1°F (-3.3°C). Weather in January »Weather in February
February, the last month of the winter in Omaha, is a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 30°F (-1.1°C). The onset of February introduces a subtle rise in the average high-temperature, nudging from an icy 38.3°F (3.5°C) in January to a chilly 43.7°F (6.5°C). Weather in February »Weather in March
March, the first month of the spring in Omaha, is a fresh month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 54.5°F (12.5°C). With the onset of March, Omaha's average high-temperature sees a rise, moving from February's frosty 43.7°F (6.5°C) to a fresh 54.5°F (12.5°C). Weather in March »Weather in April
April in Omaha, Illinois, is an enjoyable spring month, with an average temperature varying between 48.7°F (9.3°C) and 66°F (18.9°C). April's onset brings a temperature rise, moving from a fresh 54.5°F (12.5°C) in March to a refreshing 66°F (18.9°C). Weather in April »Weather in May
May, the last month of the spring in Omaha, is a moderately hot month, with an average temperature varying between 58.3°F (14.6°C) and 75.2°F (24°C). The shift into May is marked by a rise in the average high-temperature, moving from April's comfortable 66°F (18.9°C) to a moderately hot 75.2°F (24°C). Weather in May »Weather in June
June, the first month of the summer in Omaha, is still a warm month, with an average temperature fluctuating between 83.8°F (28.8°C) and 66.6°F (19.2°C). Omaha's transition into June is noticed by a slight rise in the average high-temperature, advancing from a warm 75.2°F (24°C) in May to a still moderately hot 83.8°F (28.8°C). Weather in June »Weather in July
July, like June, in Omaha, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 85.6°F (29.8°C). Omaha's temperatures tend to reach their peak averages in July, with a high of 85.6°F (29.8°C) and a low of 68.2°F (20.1°C). The heat index value for July is computed to be a very hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Omaha, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 84.4°F (29.1°C). The arrival of August sees a recorded average high-temperature of a still moderately hot 84.4°F (29.1°C), showing little divergence from the previous month's conditions. Weather in August »Weather in September
September, the first month of the autumn in Omaha, is still a warm month, with an average temperature fluctuating between 60.8°F (16°C) and 79.5°F (26.4°C). September commences with an average high-temperature of a still warm 79.5°F (26.4°C), showing little deviation from August's 84.4°F (29.1°C). Weather in September »Weather in October
October, like September, in Omaha, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 49.6°F (9.8°C) and 67.1°F (19.5°C). Omaha's transition into October involves a shift in temperature, receding from a warm 79.5°F (26.4°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
November, the last month of the autumn in Omaha, is another cool month, with an average temperature ranging between min 38.5°F (3.6°C) and max 53.6°F (12°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a comfortable 67.1°F (19.5°C) in October to a fresh 53.6°F (12°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Omaha, Illinois, with an average temperature ranging between max 43.5°F (6.4°C) and min 32.2°F (0.1°C). With December's arrival, Omaha's weather changes as the average high-temperature falls from a cool 53.6°F (12°C) in November to a frosty 43.5°F (6.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Omaha, IL
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Omaha, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Omaha, IL
- Average wind speed in January:
10mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Omaha, IL
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Omaha, IL
- Average rainfall in January:
0.67" - Average rainfall in February:
0.63" - Average rainfall in March:
0.75" - Average rainfall in April:
1.06" - Average rainfall in May:
0.98" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.79" - Average rainfall in September:
0.28" - Average rainfall in October:
0.71" - Average rainfall in November:
0.51" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Omaha, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
10.4 days
- Average rainfall days in July:
11.3 days - Average rainfall days in August:
10.2 days - Average rainfall days in September:
7.3 days - Average rainfall days in October:
6 days - Average rainfall days in November:
5.3 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).
Average snowfall
Omaha, IL
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Omaha, IL
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Omaha, IL
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Omaha, IL
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
19.9 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
16.9 days - Average sunshine days in August:
17.8 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
23.4 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).
Average UV index
Omaha, IL
The months with the highest UV index are May, 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
Omaha, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Omaha, IL
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).





