Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Warren, Illinois, with temperature in the range of an average low of 12°F (-11.1°C) and an average high of 24.8°F (-4°C). Warren's January weather reaches an average high of 24.8°F (-4°C) and an average low of 12°F (-11.1°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Warren, Illinois, with an average temperature fluctuating between 28.6°F (-1.9°C) and 15.3°F (-9.3°C). February experiences an average high-temperature of a still freezing cold 28.6°F (-1.9°C), barely different from January's 24.8°F (-4°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Warren, Illinois, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 43.3°F (6.3°C). March signals a significant shift in the average high-temperature, soaring from February's subzero cold 28.6°F (-1.9°C) to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April is a fresh spring month in Warren, Illinois, with an average temperature ranging between max 55°F (12.8°C) and min 38.5°F (3.6°C). April's onset witnesses a shift in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in March to a fresh 55°F (12.8°C). Weather in April »
Weather in May
May, the last month of the spring in Warren, is a refreshing month, with an average temperature varying between 66.9°F (19.4°C) and 49.6°F (9.8°C). May's onset brings a temperature rise, moving from a cool 55°F (12.8°C) in April to an enjoyable 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Warren, Illinois, with an average temperature ranging between max 75.9°F (24.4°C) and min 59.2°F (15.1°C). The transition to June introduces an increase in the average high-temperature, shifting from a comfortable 66.9°F (19.4°C) in May to a warm 75.9°F (24.4°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Warren, Illinois, with an average temperature fluctuating between 62.6°F (17°C) and 79.3°F (26.3°C). July is the warmest month, with the temperature often reaching an average high of 79.3°F (26.3°C) and an average low of 62.6°F (17°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Warren, Illinois, with an average temperature varying between 78.3°F (25.7°C) and 60.4°F (15.8°C). Warren registers an average high-temperature of a still moderately hot 78.3°F (25.7°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Warren, Illinois, with an average temperature varying between 72.1°F (22.3°C) and 53.1°F (11.7°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 78.3°F (25.7°C) to an agreeable 72.1°F (22.3°C). Weather in September »
Weather in October
October, the same as September, in Warren, Illinois, is a moderate autumn month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 41.9°F (5.5°C). Warren's October weather comes with a decrease in average high-temperatures, moving from an agreeable 72.1°F (22.3°C) in September to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Warren, is also a frosty month, with an average temperature varying between 30.6°F (-0.8°C) and 43.7°F (6.5°C). Warren's weather experiences a significant temperature drop with the arrival of November, falling from a refreshing 58.1°F (14.5°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 Warren, Illinois, with an average temperature fluctuating between 21.2°F (-6°C) and 31.5°F (-0.3°C). December involves a decrease in temperature, down from a chilly 43.7°F (6.5°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Warren's coldest month, January, registers temperatures that range from a high of 24.8°F (-4°C) to a low of 12°F (-11.1°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.6 days and accumulates 1.06" (27mm) of precipitation.
How much does it rain?
Throughout the year, there are 140.7 rainfall days, and 24.09" (612mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 12.8 days and typically aggregates up to 3.82" (97mm) of snow.
How many days does it snow in Warren?
Throughout the year, there are 49.5 snowfall days, and 14.76" (375mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.4h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What are the least humid months?
The months with the lowest humidity are April, October and November, with an average relative humidity of 77%.
When it does not snow?
In Warren, snow does not fall in May through September.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.54" (90mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the hottest time of year?
Warren's temperatures peak on average in July, reaching 79.3°F (26.3°C) at their highest and 62.6°F (17°C) at their lowest.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.5h of sunshine.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Warren, IL
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure
Warren, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"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:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Warren, 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:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Warren, IL
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall
Warren, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
1.18" - Average rainfall in March:
1.38" - Average rainfall in April:
2.48" - Average rainfall in May:
2.91" - Average rainfall in June:
3.54"
- Average rainfall in July:
2.99" - Average rainfall in August:
1.85" - Average rainfall in September:
1.93" - Average rainfall in October:
2.17" - Average rainfall in November:
1.46" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days
Warren, IL
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.5 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Warren, IL
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Warren, IL
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
2.7 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:
1.1 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
10.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Warren, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 6min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Warren, IL
- Average sunshine days in January:
14.5 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Warren, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Warren, IL
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Warren, IL
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Warren, Illinois, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location