Climate and monthly weather forecastWilbern, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Wilbern, Illinois, with an average temperature fluctuating between 17.4°F (-8.1°C) and 29.7°F (-1.3°C). In Wilbern, January is the coldest month, with temperatures averaging a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Wilbern, Illinois, with an average temperature ranging between min 21.6°F (-5.8°C) and max 34°F (1.1°C). Wilbern observes a minor difference in average high-temperatures between January's 29.7°F (-1.3°C) and February's 34°F (1.1°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Wilbern, Illinois, with an average temperature ranging between max 47.5°F (8.6°C) and min 33.3°F (0.7°C). March brings a temperature increase, with average high-temperatures moving from February's wintry 34°F (1.1°C) to a frosty 47.5°F (8.6°C). Weather in March »Weather in April
April is a moderate spring month in Wilbern, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 43.3°F (6.3°C). Wilbern's April weather shows an increase in high-temperatures, moving from March's chilly 47.5°F (8.6°C) to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Wilbern, Illinois, with an average temperature varying between 54.1°F (12.3°C) and 71.2°F (21.8°C). As Wilbern enters May, the average high-temperature increases from the a moderate 59.5°F (15.3°C) of April to an agreeable 71.2°F (21.8°C). Weather in May »Weather in June
June, the first month of the summer in Wilbern, is a warm month, with an average temperature varying between 79°F (26.1°C) and 62.1°F (16.7°C). Observing a slight rise in June, the average high-temperature shifts from May's pleasant 71.2°F (21.8°C) to a warm 79°F (26.1°C). Weather in June »Weather in July
July, like June, in Wilbern, Illinois, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 64.6°F (18.1°C). July, on average, is the warmest month, registering a high temperature of 81°F (27.2°C) and a low of 64.6°F (18.1°C). In July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Wilbern, is also a moderately hot month, with an average temperature ranging between min 62.6°F (17°C) and max 80.2°F (26.8°C). With August's advent, Wilbern sees an average high-temperature of a still warm 80.2°F (26.8°C), subtly shifted from July's 81°F (27.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Wilbern, Illinois, with an average temperature ranging between max 75.4°F (24.1°C) and min 56.7°F (13.7°C). The initiation of September sees an average high-temperature of a still moderately hot 75.4°F (24.1°C), showing minor variations from the previous month. Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Wilbern, Illinois, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 61.7°F (16.5°C). October brings a drop in Wilbern's average high-temperature, falling from a warm 75.4°F (24.1°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Wilbern, Illinois, with an average temperature fluctuating between 34°F (1.1°C) and 47.3°F (8.5°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's enjoyable 61.7°F (16.5°C) to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Wilbern, is also an icy month, with an average temperature ranging between max 35.8°F (2.1°C) and min 25.3°F (-3.7°C). The onset of December is marked by a decrease in temperature, transitioning from a frosty 47.3°F (8.5°C) in November to a wintry 35.8°F (2.1°C). Weather in December »Updated: Aug 7, 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
The month of January, characterized by an average high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C), is recognized as the coldest.
January is the month with the least rainfall. Rain falls for 5.9 days and accumulates 1.57" (40mm) of precipitation.
Throughout the year, there are 148.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
Throughout the year, there are 33.3 snowfall days, and 14.33" (364mm) of snow is accumulated.
With an average of 3.8h of sunshine, January has the least sunshine of the year in Wilbern.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 8.5 days and typically aggregates up to 3.62" (92mm) of snow.
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.
The month with the most rainfall is May, when the rain falls for 19.1 days and typically aggregates up to 4.57" (116mm) of precipitation.
In Wilbern, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
With an average of 9.8h of sunshine, June has the most sunshine of the year.
July, recognised by an average high temperature of 81°F (27.2°C) and a low of 64.6°F (18.1°C), is Wilbern's warmest month.
July is the most humid month, with an average relative humidity of 85%.
July is the month with the highest UV index, with an average maximum UV index of 6.
October is the least humid month, with an average relative humidity of 72%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Wilbern, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Wilbern, IL
- Average pressure in January:
30.13"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:
29.98"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 (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Wilbern, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - 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:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Wilbern, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Wilbern, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.65" - Average rainfall in March:
2.24" - Average rainfall in April:
3.94" - Average rainfall in May:
4.57" - Average rainfall in June:
3.27"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days
Wilbern, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Wilbern, IL
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Wilbern, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
1.2 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:
1.9 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Wilbern, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Wilbern, IL
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
16 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (9.8 days).
Average UV index
Wilbern, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Wilbern, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Wilbern, 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).
