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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, in North Henderson, Illinois, is another subzero cold winter month, with an average temperature ranging between max 29.5°F (-1.4°C) and min 17.4°F (-8.1°C). January, with its average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.4°F (-8.1°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in North Henderson, Illinois, with an average temperature fluctuating between 34.7°F (1.5°C) and 21.2°F (-6°C). As North Henderson steps into February, the average high-temperature holds at a cold 34.7°F (1.5°C), hinting at a minor fluctuation from the prior month. Weather in February »
Weather in March
March, the first month of the spring in North Henderson, is a frosty month, with an average temperature varying between 48°F (8.9°C) and 32.9°F (0.5°C). In March, the average high-temperature increases from an icy 34.7°F (1.5°C) in February to a frosty 48°F (8.9°C). Weather in March »
Weather in April
April is a refreshing spring month in North Henderson, Illinois, with an average temperature varying between 43.2°F (6.2°C) and 59.9°F (15.5°C). As April arrives, a rise in the average high-temperature is observed, moving from a frosty 48°F (8.9°C) in March to a refreshing 59.9°F (15.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in North Henderson, Illinois, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 54°F (12.2°C). The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 59.9°F (15.5°C) to a pleasant 70.7°F (21.5°C). Weather in May »
Weather in June
June, the first month of the summer in North Henderson, is a moderately hot month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 62.4°F (16.9°C). The beginning of June signals a minor rise in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in May to a warm 79.2°F (26.2°C). Weather in June »
Weather in July
July, like June, in North Henderson, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.1°F (27.3°C). North Henderson registers the highest average temperatures during the month of July, with peaks of 81.1°F (27.3°C) and lows of 64.9°F (18.3°C). The heat index in July is computed to be a tropical 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 North Henderson, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 63.3°F (17.4°C). August's advent presents an average high-temperature of a still warm 80.6°F (27°C), indicating a slight variation from the conditions of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in North Henderson, Illinois, with an average temperature varying between 75.6°F (24.2°C) and 56.3°F (13.5°C). The start of September sees the average high-temperature at a still moderately hot 75.6°F (24.2°C), showing little difference from August's 80.6°F (27°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in North Henderson, Illinois, with an average temperature varying between 61.5°F (16.4°C) and 45.7°F (7.6°C). The onset of October results in a decrease in the average high-temperature, receding from a moderately hot 75.6°F (24.2°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »
Weather in November
November, the last month of the autumn in North Henderson, is also a frosty month, with an average temperature fluctuating between 33.8°F (1°C) and 47.5°F (8.6°C). Onset of November witnesses a reduction in the average high-temperature, falling from a comfortable 61.5°F (16.4°C) in October to a chilly 47.5°F (8.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in North Henderson, Illinois, with an average temperature fluctuating between 24.6°F (-4.1°C) and 35.4°F (1.9°C). North Henderson's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 47.5°F (8.6°C) to a cold 35.4°F (1.9°C). Weather in December »
Updated: Jun 14, 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?
North Henderson's January weather reaches an average high of 29.5°F (-1.4°C) and an average low of 17.4°F (-8.1°C), making it the coldest month.
What is the driest month in North Henderson?
The months with the least rainfall are January and December Rain falls for 4 days and accumulates 0.47" (12mm) of rain.
How much does it rain?
In North Henderson, Illinois, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 8.8 days and typically aggregates up to 1.38" (35mm) of snow.
How much does it snow?
Throughout the year, there are 28 snowfall days, and 4.53" (115mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is Daylight Saving Time (DST)?
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.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 15.2 days and accumulates 1.65" (42mm) of precipitation.
When it does not snow?
In North Henderson, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.1h of sunshine.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
Temperature records mark July as the warmest month, with highs averaging 81.1°F (27.3°C) and lows at 64.9°F (18.3°C).
What is the most humid month?
With an average relative humidity of 84%, July is the most humid month in North Henderson.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days in North Henderson is December, with an average of 9h and 18min of daylight.
When is the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
North Henderson, 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 (29.5°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
North Henderson, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"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:
30.01"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
North Henderson, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
North Henderson, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
North Henderson, IL
- Average rainfall in January:
0.47" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
1.3" - Average rainfall in May:
1.65" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.14" - Average rainfall in August:
0.83" - Average rainfall in September:
1.02" - Average rainfall in October:
0.98" - Average rainfall in November:
0.59" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days
North Henderson, IL
- Average rainfall days in January:
4 days - Average rainfall days in February:
3.9 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall
North Henderson, IL
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
North Henderson, IL
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.9 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:
2 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
North Henderson, 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:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- 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 month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
North Henderson, IL
- Average sunshine days in January:
20 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
21.6 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
North Henderson, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
North Henderson, 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
North Henderson, 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).
North Henderson, Illinois, USA
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