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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). The coldest temperatures occur during January, when averages reach a peak of 24.8°F (-4°C) and a low of 12°F (-11.1°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Warren, Illinois, with temperature in the range of an average low of 15.3°F (-9.3°C) and an average high of 28.6°F (-1.9°C). The onset of February manifests an average high-temperature of a still freezing cold 28.6°F (-1.9°C), demonstrating a minor variation from the preceding month. 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 high of 43.3°F (6.3°C) and an average low of 28.6°F (-1.9°C). The onset of March brings a clear temperature shift, with the average high-temperature escalating from a subzero cold 28.6°F (-1.9°C) in February to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April in Warren, Illinois, is a fresh spring month, with an average temperature ranging between min 38.5°F (3.6°C) and max 55°F (12.8°C). The arrival of April brings a change in Warren's weather, with average high-temperatures moving from March's chilly 43.3°F (6.3°C) to a fresh 55°F (12.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Warren, Illinois, with an average temperature fluctuating between 49.6°F (9.8°C) and 66.9°F (19.4°C). May signals a shift in the average high-temperature, moving from April's fresh 55°F (12.8°C) to an enjoyable 66.9°F (19.4°C). Weather in May »
Weather in June
June, the first month of the summer in Warren, is a moderately hot month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 59.2°F (15.1°C). The shift from May to June is marked by an increase in the average high-temperature, moving from a comfortable 66.9°F (19.4°C) to a warm 75.9°F (24.4°C). Weather in June »
Weather in July
July, like June, in Warren, Illinois, is another warm summer month, with an average temperature varying between 79.3°F (26.3°C) and 62.6°F (17°C). With average temperatures fluctuating between a high of 79.3°F (26.3°C) and a low of 62.6°F (17°C), July stands out as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Warren, is also a moderately hot month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.3°F (25.7°C). Warren experiences a transition to a still warm 78.3°F (25.7°C) in average high-temperatures with the arrival of August, not greatly differing from July's 79.3°F (26.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Warren, is also an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 53.1°F (11.7°C). A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »
Weather in October
October, the same as September, in Warren, Illinois, is another refreshing autumn month, with an average temperature varying between 58.1°F (14.5°C) and 41.9°F (5.5°C). October's arrival corresponds with a decrease in average high-temperatures, from September's agreeable 72.1°F (22.3°C) to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Warren, Illinois, with an average temperature ranging between max 43.7°F (6.5°C) and min 30.6°F (-0.8°C). In November, the average high-temperature decreases considerably 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). The arrival of December corresponds with a temperature reduction, down from November's frosty 43.7°F (6.5°C) to a subzero cold 31.5°F (-0.3°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Warren?
In Warren, the average lowest temperatures are observed in January, with a high of 24.8°F (-4°C) and a low of 12°F (-11.1°C).
What is the most humid month in Warren?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month in Warren?
January is the month with the least rainfall. Rain falls for 4.6 days and accumulates 1.06" (27mm) of precipitation.
How many days does it rain in Warren?
Throughout the year, in Warren, Illinois, there are 140.7 rainfall days, and 24.09" (612mm) of precipitation is accumulated.
When does it snow in Warren?
Months with snowfall in Warren, Illinois, are January through April, October through December.
When does it snow the most in Warren?
January is the month with the most snowfall in Warren. Snow falls for 12.8 days and accumulates 3.82" (97mm) of snow.
How much does it snow in Warren?
Throughout the year, in Warren, Illinois, there are 49.5 snowfall days, and 14.76" (375mm) of snow is accumulated.
What is the month with the least sunshine in Warren?
January has the least sunshine of the year, with an average of 3.4h of sunshine.
When is the lowest UV index in Warren?
The months with the lowest UV index in Warren, Illinois, are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Warren?
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 in Warren?
The months with the lowest humidity in Warren, Illinois, are April, October and November, with an average relative humidity of 77%.
When it does not snow in Warren?
May through September are months without snowfall.
When is the highest UV index in Warren?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Warren, Illinois.
What is the rainiest month in Warren?
The month with the most rainfall is June, when the rain falls for 17.8 days and typically aggregates up to 3.54" (90mm) of precipitation.
When are the longest days in Warren?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the hottest time of year in Warren?
Warren registers the average highest temperatures during July, with peaks of 79.3°F (26.3°C) and lows of 62.6°F (17°C).
What are the months with the most sunshine in Warren?
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 in Warren?
The month with the shortest days in Warren, Illinois, is December, 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
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