Climate and monthly weather forecastWillow Springs, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Willow Springs, Illinois, with an average temperature varying between 28.9°F (-1.7°C) and 18.3°F (-7.6°C). January, with its high-temperature average of 28.9°F (-1.7°C) and a low-temperature average of 18.3°F (-7.6°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Willow Springs, Illinois, with an average temperature ranging between max 32.5°F (0.3°C) and min 20.8°F (-6.2°C). In February, Willow Springs experiences a minor shift in meteorological conditions with average high-temperatures marked at an icy 32.5°F (0.3°C), closely mirroring the climate in January. Weather in February »Weather in March
March, the first month of the spring in Willow Springs, is a chilly month, with an average temperature fluctuating between 45.1°F (7.3°C) and 32°F (0°C). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a wintry 32.5°F (0.3°C) to a frosty 45.1°F (7.3°C). Weather in March »Weather in April
April in Willow Springs, Illinois, is a moderate spring month, with an average temperature varying between 40.8°F (4.9°C) and 55.9°F (13.3°C). The rise of average high-temperatures is seen in April, with an increase from a chilly 45.1°F (7.3°C) in March to a moderate 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Willow Springs, is an enjoyable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 52°F (11.1°C). May's arrival coincides with a temperature rise, moving from April's moderate 55.9°F (13.3°C) to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Willow Springs, is a warm month, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 61.7°F (16.5°C). Willow Springs's weather in June shows a rise in the average high-temperature, moving up from May's enjoyable 67.6°F (19.8°C) to a warm 77.4°F (25.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Willow Springs, Illinois, with an average temperature varying between 81.9°F (27.7°C) and 66.6°F (19.2°C). Willow Springs witnesses the warmest weather in July, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C). July's heat index is estimated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Willow Springs, Illinois, with an average temperature fluctuating between 80.6°F (27°C) and 65.3°F (18.5°C). Willow Springs's entry into August measures an average high-temperature of a still warm 80.6°F (27°C), closely parallel to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Willow Springs, Illinois, with an average temperature fluctuating between 58.6°F (14.8°C) and 74.1°F (23.4°C). September's onset brings a negligible change in high-temperatures, falling from a warm 80.6°F (27°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Willow Springs, Illinois, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 46.9°F (8.3°C). Willow Springs's October weather comes with a decrease in average high-temperatures, moving from a warm 74.1°F (23.4°C) in September to an enjoyable 60.8°F (16°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Willow Springs, Illinois, with an average temperature fluctuating between 46.2°F (7.9°C) and 33.8°F (1°C). As October transitions into November, a clear downswing in temperatures is observed, with average highs retreating from an enjoyable 60.8°F (16°C) to a chilly 46.2°F (7.9°C). Weather in November »Weather in December
December, the first month of the winter in Willow Springs, is also an icy month, with an average temperature ranging between max 35.2°F (1.8°C) and min 25.5°F (-3.6°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 46.2°F (7.9°C) to an icy 35.2°F (1.8°C). Weather in December »Updated: Feb 12, 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 coldest period in Willow Springs is January, when temperatures fluctuate between an average high of 28.9°F (-1.7°C) and a low of 18.3°F (-7.6°C).
The months with the highest humidity in Willow Springs are January and February, with an average relative humidity of 82%.
Throughout the year, in Willow Springs, Illinois, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.
Months with snowfall in Willow Springs, Illinois, are January through April, October through December.
In Willow Springs, during the entire year, snow falls for 47.1 days and aggregates up to 19.02" (483mm) of snow.
The month with the least sunshine is January, with an average of 3.7h of sunshine.
February is the month with the most snowfall. Snow falls for 11.8 days and accumulates 5.28" (134mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Willow Springs, Illinois, 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 in Willow Springs, Illinois, is May, when the rain falls for 19.2 days and typically aggregates up to 4.61" (117mm) of precipitation.
May through September are months without snowfall in Willow Springs.
June has the longest days of the year in Willow Springs, with an average of 15h and 12min of daylight.
Willow Springs witnesses the warmest weather in July, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C).
July and August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the most sunshine in Willow Springs, Illinois, is August, with an average of 10.3h of sunshine.
October is the least humid month in Willow Springs, Illinois, with an average relative humidity of 72%.
The months with the least rainfall in Willow Springs, Illinois, are November and December Rain falls for 10.5 days and accumulates 1.77" (45mm) of rain.
The month with the shortest days in Willow Springs, Illinois, is December, with an average of 9h and 12min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index in Willow Springs, Illinois.
Average temperature
Willow Springs, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°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 (18.3°F).
Average pressure
Willow Springs, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"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:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Willow Springs, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Willow Springs, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Willow Springs, IL
- Average rainfall in January:
1.89" - Average rainfall in February:
1.81" - Average rainfall in March:
2.09" - Average rainfall in April:
3.66" - Average rainfall in May:
4.61" - Average rainfall in June:
4.41"
- Average rainfall in July:
3.86" - Average rainfall in August:
3.46" - Average rainfall in September:
2.68" - Average rainfall in October:
2.95" - Average rainfall in November:
1.77" - Average rainfall in December:
1.77"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days
Willow Springs, IL
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
15 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Willow Springs, IL
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Willow Springs, IL
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
1.8 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:
3.6 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Willow Springs, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
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 12min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Willow Springs, IL
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index
Willow Springs, IL
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Willow Springs, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Willow Springs, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
