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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 a freezing cold winter month in Wyoming, Illinois, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.8°F (-7.9°C). January, noted for its average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.8°F (-7.9°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Wyoming, is an icy month, with an average temperature fluctuating between 34.5°F (1.4°C) and 21.6°F (-5.8°C). The average high-temperature during February registers at a wintry 34.5°F (1.4°C), closely corresponding to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Wyoming, Illinois, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 48.2°F (9°C). March brings a rise in Wyoming's average high-temperature, moving from a cold 34.5°F (1.4°C) in February to a frosty 48.2°F (9°C). Weather in March »
Weather in April
April in Wyoming, Illinois, is a refreshing spring month, with an average temperature fluctuating between 43.3°F (6.3°C) and 59.7°F (15.4°C). The shift from March to April brings an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) to a refreshing 59.7°F (15.4°C). Weather in April »
Weather in May
May, the last month of the spring in Wyoming, is a pleasant month, with an average temperature ranging between max 71.1°F (21.7°C) and min 54.1°F (12.3°C). May brings an increase in the average high-temperature, progressing from a moderate 59.7°F (15.4°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Wyoming, is a warm month, with an average temperature varying between 79.3°F (26.3°C) and 62.2°F (16.8°C). June's onset is marked by a subtle temperature increase, moving from an agreeable 71.1°F (21.7°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Wyoming, Illinois, with an average temperature ranging between min 64.8°F (18.2°C) and max 81.1°F (27.3°C). July brings the highest temperatures, with an average high of 81.1°F (27.3°C) and an average low of 64.8°F (18.2°C). The heat index for July is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Wyoming, is another warm month, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C). The arrival of August records an average high-temperature of a still moderately hot 80.2°F (26.8°C), closely related to the 81.1°F (27.3°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Wyoming, Illinois, with an average temperature fluctuating between 75.7°F (24.3°C) and 56.7°F (13.7°C). September's onset brings an average high-temperature of a still warm 75.7°F (24.3°C), showing a minute difference from August's 80.2°F (26.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Wyoming, Illinois, with an average temperature varying between 61.7°F (16.5°C) and 45.9°F (7.7°C). October brings a decrease in the average high-temperature, shifting from a moderately hot 75.7°F (24.3°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Wyoming, is also a frosty month, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 33.8°F (1°C). November indicates a shift in the average high-temperature, from October's refreshing 61.7°F (16.5°C) to a chilly 47.5°F (8.6°C). Weather in November »
Weather in December
December, the first month of the winter in Wyoming, is still a cold month, with an average temperature ranging between min 25°F (-3.9°C) and max 35.8°F (2.1°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 47.5°F (8.6°C) to a wintry 35.8°F (2.1°C). Weather in December »
Updated: Aug 30, 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 time of year?
With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.8°F (-7.9°C), January is the coldest month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.2 days and typically collects 0.59" (15mm) of precipitation.
How many days does it rain?
In Wyoming, during the entire year, the rain falls for 116.8 days and collects up to 13.98" (355mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most in Wyoming?
January is the month with the most snowfall in Wyoming. Snow falls for 8.6 days and accumulates 1.81" (46mm) of snow.
How much does it snow?
In Wyoming, during the entire year, snow falls for 26.8 days and aggregates up to 6.26" (159mm) of snow.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
What are the months with 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 in Wyoming, 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 15.2 days and accumulates 2.24" (57mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the most sunshine in Wyoming?
June and July, with an average of 10h of sunshine, are months with the most sunshine.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
The month of July sees the average highest temperatures, reaching 81.1°F (27.3°C) at the peak and 64.8°F (18.2°C) at the low.
What is the most humid month?
With an average relative humidity of 84%, July is the most humid month.
What is the least humid month?
The least humid month in Wyoming is October, with an average relative humidity of 72%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Wyoming, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Wyoming, 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:
30.01"Hg - Average pressure in November:
30.1"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
Wyoming, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Wyoming, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Wyoming, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.65" - Average rainfall in May:
2.24" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.02" - Average rainfall in September:
1.1" - Average rainfall in October:
1.22" - Average rainfall in November:
0.75" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days
Wyoming, IL
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
10.5 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall
Wyoming, IL
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Wyoming, IL
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.7 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Wyoming, 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 3min - 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 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Wyoming, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index
Wyoming, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Wyoming, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Wyoming, 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).
Wyoming, Illinois, USA
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