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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 Allenville, Illinois, with an average temperature fluctuating between 33.6°F (0.9°C) and 21.6°F (-5.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 33.6°F (0.9°C) to a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
February, the last month of the winter in Allenville, is also a wintry month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 38.7°F (3.7°C). February is marked by an average high-temperature of a still cold 38.7°F (3.7°C), almost identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Allenville, Illinois, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 50.5°F (10.3°C). March's arrival sees a rise in the average high-temperature, jumping from February's cold 38.7°F (3.7°C) to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April in Allenville, Illinois, is a comfortable spring month, with an average temperature varying between 46°F (7.8°C) and 62.2°F (16.8°C). April's arrival is marked by an increase in the average high-temperature, moving from a cool 50.5°F (10.3°C) in March to a refreshing 62.2°F (16.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Allenville, Illinois, with an average temperature fluctuating between 72.9°F (22.7°C) and 56.7°F (13.7°C). May's arrival signals an increase in average high-temperatures, moving from April's comfortable 62.2°F (16.8°C) to a pleasant 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Allenville, is a warm month, with an average temperature varying between 81.1°F (27.3°C) and 64.2°F (17.9°C). As May transitions into June, Allenville notices a gentle rise in the average high-temperature, transitioning from an agreeable 72.9°F (22.7°C) to a moderately hot 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Allenville, Illinois, with an average temperature ranging between max 82.2°F (27.9°C) and min 65.8°F (18.8°C). Allenville's July weather reaches an average high of 82.2°F (27.9°C) and an average low of 65.8°F (18.8°C), making it the warmest month. July's average heat index is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Allenville, is another warm month, with an average temperature ranging between max 81.5°F (27.5°C) and min 64°F (17.8°C). Allenville's shift into August is marked by a subtle change to a still moderately hot 81.5°F (27.5°C) from July's 82.2°F (27.9°C) in temperature. Weather in August »
Weather in September
September, the first month of the autumn in Allenville, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 58.5°F (14.7°C). September's arrival brings an average high-temperature of a still warm 77.2°F (25.1°C), slightly deviating from August's 81.5°F (27.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Allenville, Illinois, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 63.9°F (17.7°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 77.2°F (25.1°C) to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Allenville, Illinois, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 36.1°F (2.3°C). Allenville observes a minor decrease in the average high-temperature with the arrival of November, falling from October's enjoyable 63.9°F (17.7°C) to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
December, the first month of the winter in Allenville, is still a cold month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 28.4°F (-2°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 49.8°F (9.9°C) to an icy 38.8°F (3.8°C). Weather in December »
Updated: Jun 27, 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 are the coldest months?
The coldest period tends to be January, when average temperatures fluctuate between a high of 33.6°F (0.9°C) and a low of 21.6°F (-5.8°C).
How many days does it rain?
In Allenville, during the entire year, the rain falls for 130.9 days and collects up to 15.43" (392mm) of precipitation.
When does it snow in Allenville?
Months with snowfall are January through April, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 6.4 days and typically aggregates up to 1.54" (39mm) of snow.
How many days does it snow?
In Allenville, during the entire year, snow falls for 21.5 days and aggregates up to 4.53" (115mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.1h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Allenville?
The month with the least rainfall is February, when the rain falls for 5.9 days and typically collects 0.71" (18mm) of precipitation.
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.
When it does not snow?
In Allenville, snow does not fall in May through October.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.85" (47mm) of precipitation.
When are the longest days?
The month with the longest days in Allenville, Illinois, is June, with an average of 14h and 54min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.4h of sunshine.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
Allenville's July weather, marked by an average high temperature of 82.2°F (27.9°C) and an average low temperature of 65.8°F (18.8°C), is the warmest in the year.
What is the most humid month?
The most humid month in Allenville is July, with an average relative humidity of 84%.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Allenville, IL
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Allenville, IL
- Average pressure in January:
30.15"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:
29.96"Hg - Average pressure in June:
29.93"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:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Allenville, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Allenville, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Allenville, IL
- Average rainfall in January:
0.94" - Average rainfall in February:
0.71" - Average rainfall in March:
1.22" - Average rainfall in April:
1.65" - Average rainfall in May:
1.77" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.54" - Average rainfall in September:
1.06" - Average rainfall in October:
1.3" - Average rainfall in November:
0.87" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days
Allenville, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Allenville, IL
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Allenville, IL
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
6 days - Average snowfall days in March:
2.5 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 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Allenville, IL
- Average daylight in January:
9h and 5min - 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 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 0min - Average daylight in December:
9h and 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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 6min).
Average sunshine days
Allenville, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
Allenville, 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
Allenville, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Allenville, 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).
Allenville, Illinois, USA
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