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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 a wintry winter month in Mascoutah, Illinois, with an average temperature fluctuating between 24.8°F (-4°C) and 37.8°F (3.2°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C). Weather in January »
Weather in February
February, the last month of the winter in Mascoutah, is another cold month, with an average temperature varying between 42.3°F (5.7°C) and 27.9°F (-2.3°C). The arrival of February brings an average high-temperature of a still wintry 42.3°F (5.7°C), nearly identical to January's 37.8°F (3.2°C). Weather in February »
Weather in March
March, the first month of the spring in Mascoutah, is a cool month, with an average temperature varying between 37.9°F (3.3°C) and 54.5°F (12.5°C). As February transitions into March, a change in temperatures is observed, with average highs moving from an icy 42.3°F (5.7°C) to a fresh 54.5°F (12.5°C). Weather in March »
Weather in April
April in Mascoutah, Illinois, is an enjoyable spring month, with an average temperature ranging between max 65.1°F (18.4°C) and min 47.8°F (8.8°C). Noticing a change, the average high-temperature during April moves from March's cool 54.5°F (12.5°C) to an enjoyable 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Mascoutah, Illinois, with an average temperature ranging between min 57.7°F (14.3°C) and max 74.8°F (23.8°C). The shift into May brings an increase in the average high-temperature, moving from a comfortable 65.1°F (18.4°C) in April to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Mascoutah, Illinois, with an average temperature varying between 66.6°F (19.2°C) and 83.7°F (28.7°C). June witnesses a subtle temperature ascent, adjusting from 74.8°F (23.8°C) in May to a still moderately hot 83.7°F (28.7°C). Weather in June »
Weather in July
July, like June, in Mascoutah, Illinois, is another warm summer month, with an average temperature varying between 68°F (20°C) and 85.6°F (29.8°C). July, with average temperatures reaching a high of 85.6°F (29.8°C) and a low of 68°F (20°C), is the warmest month. July's heat index is evaluated at a very hot 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Mascoutah, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 84.2°F (29°C). The ushering in of August brings an average high-temperature of a still warm 84.2°F (29°C), closely mirroring the 85.6°F (29.8°C) of July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mascoutah, Illinois, with an average temperature ranging between max 79.2°F (26.2°C) and min 59.9°F (15.5°C). September's average high-temperature is a still moderately hot 79.2°F (26.2°C), maintaining a close comparison with August's 84.2°F (29°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Mascoutah, Illinois, with an average temperature fluctuating between 48.9°F (9.4°C) and 66.4°F (19.1°C). October shows a mild decline in the average high-temperature, falling from September's warm 79.2°F (26.2°C) to a refreshing 66.4°F (19.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Mascoutah, is another cool month, with an average temperature fluctuating between 37.8°F (3.2°C) and 53.2°F (11.8°C). The shift from October to November involves a decrease in the average high-temperature, dropping from an enjoyable 66.4°F (19.1°C) to a fresh 53.2°F (11.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Mascoutah, Illinois, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 42.4°F (5.8°C). Mascoutah's December weather comes with a decrease in average high-temperatures, moving from a fresh 53.2°F (11.8°C) in November to an icy 42.4°F (5.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Mascoutah?
January, on average, is the coldest month, registering a high temperature of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).
How much does it rain in Mascoutah?
In Mascoutah, Illinois, during the entire year, the rain falls for 110.1 days and collects up to 11.1" (282mm) of precipitation.
When does it snow in Mascoutah?
January through March, November and December are months with snowfall in Mascoutah.
When does it snow the most in Mascoutah?
The month with the most snowfall in Mascoutah is January, when snow falls for 4.7 days and typically aggregates up to 0.51" (13mm) of snow.
How much does it snow in Mascoutah?
In Mascoutah, Illinois, during the entire year, snow falls for 13.8 days and aggregates up to 1.38" (35mm) of snow.
What is the month with the least sunshine in Mascoutah?
The month with the least sunshine is January, with an average of 4.5h of sunshine.
When is the lowest UV index in Mascoutah?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mascoutah, Illinois.
What is the driest month in Mascoutah?
The month with the least rainfall is February, when the rain falls for 5.3 days and typically collects 0.47" (12mm) of precipitation.
When is Daylight Saving Time (DST) in Mascoutah?
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 Mascoutah?
April through October are months without snowfall.
What is the most humid month in Mascoutah?
May, July and August, with an average relative humidity of 79%, are most humid months in Mascoutah, Illinois.
What is the wettest month in Mascoutah?
The month with the most rainfall is May, when the rain falls for 12.7 days and typically aggregates up to 1.5" (38mm) of precipitation.
What are the months with the highest UV index in Mascoutah?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in Mascoutah?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What is the month with the most sunshine in Mascoutah?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine in Mascoutah.
What is the hottest time of year in Mascoutah?
Mascoutah, Illinois, experiences its average highest temperatures in July, reaching a peak of 85.6°F (29.8°C) and a minimum of 68°F (20°C).
What is the least humid month in Mascoutah?
The least humid month in Mascoutah is October, with an average relative humidity of 70%.
What is the month with the shortest days in Mascoutah?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Mascoutah, Illinois.
Average temperature
Mascoutah, IL
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Mascoutah, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"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:
30.02"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 (29.92"Hg).
Average wind speed
Mascoutah, IL
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
8mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity
Mascoutah, IL
The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Mascoutah, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.47" - Average rainfall in March:
0.71" - Average rainfall in April:
1.1" - Average rainfall in May:
1.5" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.26" - Average rainfall in September:
0.63" - Average rainfall in October:
1.02" - Average rainfall in November:
0.59" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Mascoutah, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
11 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Mascoutah, IL
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Mascoutah, IL
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
4 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.1 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:
0.7 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mascoutah, 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 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Mascoutah, IL
- Average sunshine days in January:
23.2 days - Average sunshine days in February:
19.6 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
16.5 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
18 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
22 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).
Average UV index
Mascoutah, IL
The months with the highest UV index are May, 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
Mascoutah, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Mascoutah, 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).
Mascoutah, Illinois, USA
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