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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 Fairmount, Illinois, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 20.5°F (-6.4°C). With average high and low temperatures of 31.6°F (-0.2°C) and 20.5°F (-6.4°C) respectively, January is Fairmount's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Fairmount, is an icy month, with an average temperature ranging between max 37°F (2.8°C) and min 23.9°F (-4.5°C). With the onset of February, Fairmount experiences a subtle temperature shift, with the average high-temperature moving from a freezing cold 31.6°F (-0.2°C) in January to an icy 37°F (2.8°C). Weather in February »
Weather in March
March, the first month of the spring in Fairmount, is a chilly month, with an average temperature varying between 34.9°F (1.6°C) and 49.1°F (9.5°C). Fairmount, Illinois, in March experiences an increase in the average high-temperature, moving from February's icy 37°F (2.8°C) to a chilly 49.1°F (9.5°C). Weather in March »
Weather in April
April is an enjoyable spring month in Fairmount, Illinois, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 61.2°F (16.2°C). A shift in the average high-temperature is noticeable in April, changing from a chilly 49.1°F (9.5°C) in March to a refreshing 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Fairmount, Illinois, with an average temperature ranging between max 71.8°F (22.1°C) and min 55°F (12.8°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) to an agreeable 71.8°F (22.1°C). Weather in May »
Weather in June
June, the first month of the summer in Fairmount, is a warm month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.3°F (17.4°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 71.8°F (22.1°C) to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Fairmount, Illinois, is another warm summer month, with an average temperature varying between 81.3°F (27.4°C) and 64.9°F (18.3°C). In Fairmount, the highest average temperatures are observed in July, with a high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C). The average heat index in July is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Fairmount, is another warm month, with an average temperature ranging between max 80.6°F (27°C) and min 63.3°F (17.4°C). As August takes hold, the average high-temperature is a still warm 80.6°F (27°C), nearly mirroring that of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairmount, Illinois, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 76.1°F (24.5°C). Fairmount marks the onset of September with an average high-temperature of a still moderately hot 76.1°F (24.5°C), subtly divergent from August's 80.6°F (27°C). Weather in September »
Weather in October
October, like September, in Fairmount, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 47.1°F (8.4°C) and 63.1°F (17.3°C). The transition into October indicates a reduction in the average high-temperature, down to a comfortable 63.1°F (17.3°C) from September's warm 76.1°F (24.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Fairmount, Illinois, with an average temperature fluctuating between 35.6°F (2°C) and 48.9°F (9.4°C). November brings a decrease in the average high-temperature, falling from October's enjoyable 63.1°F (17.3°C) to a frosty 48.9°F (9.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Fairmount, Illinois, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.5°F (-2.5°C). December weather is marked by a drop in the average high-temperature, falling from a frosty 48.9°F (9.4°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Fairmount?
In Fairmount, January records the average lowest temperatures, peaking at 31.6°F (-0.2°C) and reaching a low of 20.5°F (-6.4°C).
How many days does it rain in Fairmount?
Throughout the year, in Fairmount, Illinois, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.
When does it snow in Fairmount?
January through April, November and December are months with snowfall.
How much does it snow in Fairmount?
Throughout the year, in Fairmount, Illinois, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.
What is the month with the least sunshine in Fairmount?
January has the least sunshine of the year in Fairmount, Illinois, with an average of 4h of sunshine.
What are the months with the lowest UV index in Fairmount?
The months with the lowest UV index in Fairmount, Illinois, are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Fairmount?
February and September are months with the least rain in Fairmount when the rain falls for 6.6 days and typically aggregates up to 1.38" (35mm) of rain.
What is the snowiest month in Fairmount?
February is the month with the most snowfall in Fairmount. Snow falls for 8.9 days and accumulates 2.64" (67mm) of snow.
When is Daylight Saving Time (DST) in Fairmount?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairmount, Illinois, 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 Fairmount?
The month with the most rainfall in Fairmount, Illinois, is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.
When it does not snow in Fairmount?
May through October are months without snowfall in Fairmount, Illinois.
When are the longest days in Fairmount?
June has the longest days of the year in Fairmount, with an average of 15h and 0min of daylight.
What month has the most sunshine in Fairmount?
With an average of 10.1h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Fairmount?
The months with the highest UV index in Fairmount, Illinois, are June through August, with an average maximum UV index of 6.
What are the warmest months in Fairmount?
Fairmount, Illinois, experiences its highest temperatures in July, with an average peak of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).
What is the most humid month in Fairmount?
The most humid month is July, with an average relative humidity of 84%.
What is the least humid month in Fairmount?
The least humid month in Fairmount, Illinois, is October, with an average relative humidity of 72%.
What is the month with the shortest days in Fairmount?
December has the shortest days of the year in Fairmount, Illinois, with an average of 9h and 24min of daylight.
Average temperature
Fairmount, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°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 (20.5°F).
Average pressure
Fairmount, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"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:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Fairmount, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Fairmount, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Fairmount, IL
- Average rainfall in January:
1.61" - Average rainfall in February:
1.38" - Average rainfall in March:
2.32" - Average rainfall in April:
3.23" - Average rainfall in May:
3.15" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.24" - Average rainfall in September:
1.38" - Average rainfall in October:
2.05" - Average rainfall in November:
1.46" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days
Fairmount, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Fairmount, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Fairmount, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
4.3 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:
0.1 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.9 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairmount, 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 2min - Average daylight in June:
15h and 0min
- 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: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - 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 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 2min - 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Fairmount, IL
- Average sunshine days in January:
15 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Fairmount, 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
Fairmount, IL
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility
Fairmount, 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).
Fairmount, Illinois, USA
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