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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 another subzero cold winter month in Henry, Illinois, with an average temperature ranging between min 17.4°F (-8.1°C) and max 29.3°F (-1.5°C). In Henry, the lowest temperatures are generally noted in January, averaging a high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C). Weather in January »
Weather in February
February, the last month of the winter in Henry, is an icy month, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 33.4°F (0.8°C). Henry measures an average high-temperature of a cold 33.4°F (0.8°C) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Henry, Illinois, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 47.7°F (8.7°C). In Henry, stepping into March brings a temperature increase, moving up from February's cold 33.4°F (0.8°C) to a frosty 47.7°F (8.7°C). Weather in March »
Weather in April
April is a moderate spring month in Henry, Illinois, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 59.4°F (15.2°C). The transition to April introduces an increase in the average high-temperature, shifting from a frosty 47.7°F (8.7°C) in March to a refreshing 59.4°F (15.2°C). Weather in April »
Weather in May
May, the last month of the spring in Henry, is an agreeable month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 54°F (12.2°C). May brings a temperature increase, with average high-temperatures moving from April's moderate 59.4°F (15.2°C) to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Henry, is a warm month, with an average temperature ranging between max 79°F (26.1°C) and min 62.1°F (16.7°C). In June, the average high-temperature marginally rises from a pleasant 71.1°F (21.7°C) in May to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, like June, in Henry, Illinois, is a moderately hot summer month, with an average temperature ranging between max 81°F (27.2°C) and min 64.6°F (18.1°C). With its high average temperature of 81°F (27.2°C) and a low of 64.6°F (18.1°C), July is regarded as the warmest month. In July, the average heat index is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Henry, is also a moderately hot month, with an average temperature fluctuating between 80.1°F (26.7°C) and 62.2°F (16.8°C). Entering August, the average high-temperature is recorded at a still warm 80.1°F (26.7°C), exhibiting a minimal shift 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 Henry, Illinois, with an average temperature fluctuating between 56.5°F (13.6°C) and 75°F (23.9°C). August's transformation into September witnesses an average high-temperature of a still warm 75°F (23.9°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 Henry, Illinois, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46°F (7.8°C). October suggests a modest reduction in the average high-temperature, shifting from a warm 75°F (23.9°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Henry, is another chilly month, with an average temperature ranging between min 34°F (1.1°C) and max 47.3°F (8.5°C). The start of November signals a clear decrease in the average high-temperature, falling from a refreshing 61.7°F (16.5°C) in October to a frosty 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Henry, Illinois, with an average temperature ranging between max 35.6°F (2°C) and min 25.3°F (-3.7°C). Onset of December comes with a temperature decline, the average high falling from a chilly 47.3°F (8.5°C) in November to a wintry 35.6°F (2°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Henry?
Henry's January weather reaches an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C), making it the coldest month.
What is the driest month in Henry?
The months with the least rainfall in Henry are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.
How much does it rain in Henry?
Throughout the year, in Henry, Illinois, there are 151.3 rainfall days, and 30.16" (766mm) of precipitation is accumulated.
When does it snow in Henry?
Months with snowfall are January through April, October through December.
How many days does it snow in Henry?
Throughout the year, there are 36.7 snowfall days, and 14.09" (358mm) of snow is accumulated.
What is the month with the least sunshine in Henry?
The month with the least sunshine is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Henry?
January is the month with the lowest UV index in Henry, Illinois, with an average maximum UV index of 1.
What is the snowiest month in Henry?
The month with the most snowfall in Henry is February, when snow falls for 9.6 days and typically aggregates up to 3.7" (94mm) of snow.
When is Daylight Saving Time (DST) in Henry?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Henry, 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 Henry?
May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 4.41" (112mm) of precipitation.
When it does not snow in Henry?
May through September are months without snowfall in Henry, Illinois.
When are the longest days in Henry?
The month with the longest days in Henry, Illinois, is June, with an average of 15h and 6min of daylight.
What month has the most sunshine in Henry?
The month with the most sunshine in Henry, Illinois, is June, with an average of 10h of sunshine.
When is the highest UV index in Henry?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months in Henry?
July stands out as Henry's warmest month, with an average high-temperature of 81°F (27.2°C) and a low-temperature of 64.6°F (18.1°C).
What is the most humid month in Henry?
With an average relative humidity of 85%, July is the most humid month in Henry.
What is the least humid month in Henry?
October is the least humid month in Henry, with an average relative humidity of 72%.
What is the month with the shortest days in Henry?
The month with the shortest days in Henry, Illinois, is December, with an average of 9h and 18min of daylight.
Average temperature
Henry, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°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
Henry, 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
Henry, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Henry, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Henry, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
3.7" - Average rainfall in May:
4.41" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.24" - Average rainfall in October:
2.91" - Average rainfall in November:
1.73" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days
Henry, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Henry, IL
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Henry, IL
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 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:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Henry, 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 2min - 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:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Henry, IL
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Henry, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Henry, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Henry, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Henry, Illinois, USA
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