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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, the same as December, is an icy winter month in Willow Hill, Illinois, with an average temperature ranging between max 36°F (2.2°C) and min 23.4°F (-4.8°C). In Willow Hill, Illinois, the lowest average temperatures are observed in January, with a high of 36°F (2.2°C) and a low of 23.4°F (-4.8°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Willow Hill, Illinois, with an average temperature varying between 40.6°F (4.8°C) and 27.5°F (-2.5°C). February brings an average high-temperature of a still cold 40.6°F (4.8°C), showing a slight difference from January's 36°F (2.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Willow Hill, Illinois, with an average temperature ranging between min 37°F (2.8°C) and max 52.7°F (11.5°C). March's onset brings a temperature rise, moving from a cold 40.6°F (4.8°C) in February to a cool 52.7°F (11.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Willow Hill, Illinois, with an average temperature ranging between max 64°F (17.8°C) and min 46.9°F (8.3°C). With the onset of April, Willow Hill's average high-temperature experiences a rise, moving from March's fresh 52.7°F (11.5°C) to a refreshing 64°F (17.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Willow Hill, Illinois, with an average temperature varying between 73.8°F (23.2°C) and 57°F (13.9°C). May shows a rise in the average high-temperature, moving from April's refreshing 64°F (17.8°C) to a moderately hot 73.8°F (23.2°C). Weather in May »
Weather in June
June, the first month of the summer in Willow Hill, is still a warm month, with an average temperature fluctuating between 65.5°F (18.6°C) and 82°F (27.8°C). June's arrival coincides with a subtle temperature rise, moving from May's moderately hot 73.8°F (23.2°C) to a still warm 82°F (27.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Willow Hill, Illinois, with an average temperature varying between 66.9°F (19.4°C) and 83.7°F (28.7°C). With average high and low temperatures of 83.7°F (28.7°C) and 66.9°F (19.4°C) respectively, July is Willow Hill's warmest month. The heat index for July is estimated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Willow Hill, is another warm month, with an average temperature varying between 64.6°F (18.1°C) and 82.2°F (27.9°C). The advent of August brings an average high-temperature of a still warm 82.2°F (27.9°C), exhibiting minor difference from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Willow Hill, Illinois, with an average temperature varying between 59.4°F (15.2°C) and 77.9°F (25.5°C). August's transformation into September witnesses an average high-temperature of a still moderately hot 77.9°F (25.5°C), noting a minor change from the preceding month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Willow Hill, Illinois, with an average temperature ranging between max 65.5°F (18.6°C) and min 48.6°F (9.2°C). October's onset brings a slight change in high-temperatures, falling from a warm 77.9°F (25.5°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Willow Hill, Illinois, with an average temperature ranging between min 37.4°F (3°C) and max 51.3°F (10.7°C). November's onset brings a reduction in the average high-temperature, from a refreshing 65.5°F (18.6°C) in October to a fresh 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Willow Hill, Illinois, with an average temperature fluctuating between 29.7°F (-1.3°C) and 41.2°F (5.1°C). The onset of December is marked by a decrease in temperature, transitioning from a cool 51.3°F (10.7°C) in November to a cold 41.2°F (5.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Willow Hill?
January is the coldest month of the year, registering average temperatures as high as 36°F (2.2°C) and as low as 23.4°F (-4.8°C).
How many days does it rain in Willow Hill?
Throughout the year, in Willow Hill, there are 158.3 rainfall days, and 35.12" (892mm) of precipitation is accumulated.
When does it snow in Willow Hill?
Months with snowfall in Willow Hill are January through April, November and December.
When does it snow the most in Willow Hill?
January is the month with the most snowfall in Willow Hill, Illinois. Snow falls for 6.3 days and accumulates 2.6" (66mm) of snow.
How many days does it snow in Willow Hill?
In Willow Hill, during the entire year, snow falls for 20.7 days and aggregates up to 7.13" (181mm) of snow.
What is the month with the least sunshine in Willow Hill?
January has the least sunshine of the year in Willow Hill, Illinois, with an average of 4.2h of sunshine.
What is the month with the lowest UV index in Willow Hill?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Willow Hill.
When is Daylight Saving Time (DST) in Willow Hill?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Willow Hill, 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 in Willow Hill?
The month with the most rainfall is April, when the rain falls for 15.4 days and typically aggregates up to 5.04" (128mm) of precipitation.
When it does not snow in Willow Hill?
May through October are months without snowfall in Willow Hill.
When are the longest days in Willow Hill?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine in Willow Hill?
June has the most sunshine of the year, with an average of 10.4h of sunshine.
When is the highest UV index in Willow Hill?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Willow Hill, Illinois.
What month is the hottest in Willow Hill?
The warmest temperatures in Willow Hill, Illinois, occur during July, when averages reach a peak of 83.7°F (28.7°C) and a low of 66.9°F (19.4°C).
What is the most humid month in Willow Hill?
July and August, with an average relative humidity of 81%, are most humid months in Willow Hill, Illinois.
What is the driest month in Willow Hill?
The month with the least rainfall in Willow Hill is September, when the rain falls for 13 days and typically collects 1.89" (48mm) of precipitation.
What is the least humid month in Willow Hill?
October is the least humid month in Willow Hill, Illinois, with an average relative humidity of 70%.
What is the month with the shortest days in Willow Hill?
The month with the shortest days in Willow Hill, Illinois, is December, with an average of 9h and 30min of daylight.
Average temperature
Willow Hill, IL
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Willow Hill, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Willow Hill, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Willow Hill, IL
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Willow Hill, IL
- Average rainfall in January:
2.52" - Average rainfall in February:
1.93" - Average rainfall in March:
2.91" - Average rainfall in April:
5.04" - Average rainfall in May:
3.86" - Average rainfall in June:
3.54"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.68" - Average rainfall in September:
1.89" - Average rainfall in October:
2.83" - Average rainfall in November:
2.24" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Willow Hill, IL
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
13 days - Average rainfall days in October:
11 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall
Willow Hill, IL
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Willow Hill, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Willow Hill, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Willow Hill, IL
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
18 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index
Willow Hill, 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
Willow Hill, IL
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Willow Hill, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Willow Hill, Illinois, USA
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