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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, in Virginia, Illinois, is another cold winter month, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 33.1°F (0.6°C). January, characterized by an average high temperature of 33.1°F (0.6°C) and a low temperature of 20.7°F (-6.3°C), is generally the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Virginia, Illinois, with an average temperature fluctuating between 24.3°F (-4.3°C) and 37.9°F (3.3°C). Virginia records an average high-temperature of a still wintry 37.9°F (3.3°C) in February, maintaining a close correlation with January's 33.1°F (0.6°C). Weather in February »
Weather in March
March, the first month of the spring in Virginia, is a cool month, with an average temperature varying between 35.6°F (2°C) and 51.3°F (10.7°C). Virginia's transition into March brings a rise in the average high-temperature, moving from an icy 37.9°F (3.3°C) in February to a fresh 51.3°F (10.7°C). Weather in March »
Weather in April
April in Virginia, Illinois, is a refreshing spring month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 63°F (17.2°C). April sees a rise in the average high-temperature, climbing from a fresh 51.3°F (10.7°C) in March to a refreshing 63°F (17.2°C). Weather in April »
Weather in May
May, the last month of the spring in Virginia, is an agreeable month, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.7°F (22.6°C). An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 63°F (17.2°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »
Weather in June
June, the first month of the summer in Virginia, is a moderately hot month, with an average temperature varying between 81°F (27.2°C) and 64.2°F (17.9°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a pleasant 72.7°F (22.6°C) in May to a moderately hot 81°F (27.2°C). Weather in June »
Weather in July
July, like June, in Virginia, Illinois, is a moderately hot summer month, with an average temperature varying between 66.6°F (19.2°C) and 83.1°F (28.4°C). July is the warmest month, exhibiting average temperatures of 83.1°F (28.4°C) at the peak and 66.6°F (19.2°C) at the base. In July, the average heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Virginia, is also a moderately hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 82.4°F (28°C). The arrival of August records an average high-temperature of a still warm 82.4°F (28°C), closely related to the 83.1°F (28.4°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Virginia, Illinois, with an average temperature fluctuating between 77.7°F (25.4°C) and 58.6°F (14.8°C). Virginia's average high-temperature in September is a still moderately hot 77.7°F (25.4°C), marking an insignificant difference from the 82.4°F (28°C) of August. Weather in September »
Weather in October
October, like September, in Virginia, Illinois, is another comfortable autumn month, with an average temperature ranging between max 63.9°F (17.7°C) and min 47.3°F (8.5°C). As October arrives, Virginia's weather displays a decrease in high-temperatures, transitioning from September's moderately hot 77.7°F (25.4°C) to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Virginia, is also a fresh month, with an average temperature fluctuating between 50°F (10°C) and 36°F (2.2°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a comfortable 63.9°F (17.7°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
December, the first month of the winter in Virginia, is still a cold month, with an average temperature varying between 38.7°F (3.7°C) and 27.5°F (-2.5°C). December suggests a modest reduction in the average high-temperature, shifting from a fresh 50°F (10°C) in November to a wintry 38.7°F (3.7°C). Weather in December »
Updated: Jul 8, 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 are the coldest months?
The month of January, characterized by an average high of 33.1°F (0.6°C) and a low of 20.7°F (-6.3°C), is recognized as the coldest.
How much does it rain?
Throughout the year, there are 155 rainfall days, and 31.73" (806mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 10 days and typically aggregates up to 3.9" (99mm) of snow.
How many days does it snow?
In Virginia, during the entire year, snow falls for 31.1 days and aggregates up to 12.24" (311mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.2h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Virginia, 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 is the wettest month?
May is the month with the most rainfall. Rain falls for 19.4 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
In Virginia, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month has the most sunshine?
With an average of 10.3h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
With its average high temperature of 83.1°F (28.4°C) and a low of 66.6°F (19.2°C), July is regarded as the warmest month.
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the driest month?
December is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.57" (40mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Virginia, IL
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Virginia, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Virginia, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity
Virginia, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Virginia, IL
- Average rainfall in January:
1.69" - Average rainfall in February:
1.69" - Average rainfall in March:
2.36" - Average rainfall in April:
3.66" - Average rainfall in May:
3.98" - Average rainfall in June:
3.74"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.68" - Average rainfall in September:
2.95" - Average rainfall in October:
2.76" - Average rainfall in November:
1.85" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days
Virginia, IL
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Virginia, IL
The month with the highest snowfall is January (3.9").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Virginia, IL
- Average snowfall days in January:
10 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4 days - Average snowfall days in April:
0.6 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Virginia, IL
- Average daylight in January:
9h and 4min - 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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 12min).
Average sunshine days
Virginia, IL
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
18.6 days
The months with the most sunshine days are November and December (18.6 days).
The month with the least sunshine days is June (8.3 days).
Average UV index
Virginia, 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
Virginia, IL
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility
Virginia, IL
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Virginia, Illinois, USA
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