Climate and monthly weather forecastFairmont City, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Fairmont City, Illinois, with an average temperature ranging between max 37.8°F (3.2°C) and min 24.4°F (-4.2°C). In Fairmont City, January records the lowest average temperatures, peaking at 37.8°F (3.2°C) and reaching a low of 24.4°F (-4.2°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Fairmont City, Illinois, with an average temperature fluctuating between 27.7°F (-2.4°C) and 42.3°F (5.7°C). Fairmont City, Illinois, commences February with an average high-temperature of a still wintry 42.3°F (5.7°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Fairmont City, is a cool month, with an average temperature ranging between min 37.9°F (3.3°C) and max 54.3°F (12.4°C). As Fairmont City welcomes March, the average high-temperature sees a rise, transitioning from an icy 42.3°F (5.7°C) in February to a fresh 54.3°F (12.4°C). Weather in March »Weather in April
April in Fairmont City, Illinois, is an enjoyable spring month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 48°F (8.9°C). The arrival of April brings an increase in high-temperatures, moving from a fresh 54.3°F (12.4°C) in March to a refreshing 65.1°F (18.4°C). Weather in April »Weather in May
May, the last month of the spring in Fairmont City, is a moderately hot month, with an average temperature varying between 74.7°F (23.7°C) and 57.7°F (14.3°C). May sees a rise in the average high-temperature, climbing from a comfortable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Fairmont City, Illinois, with an average temperature varying between 66.9°F (19.4°C) and 83.8°F (28.8°C). Fairmont City's transition into June sees a rise in the average high-temperature, advancing from 74.7°F (23.7°C) in May to a still warm 83.8°F (28.8°C). Weather in June »Weather in July
July is a tropical summer month in Fairmont City, Illinois, with an average temperature fluctuating between 68.5°F (20.3°C) and 86.4°F (30.2°C). The warmest period is July, when temperatures fluctuate between an average high of 86.4°F (30.2°C) and a low of 68.5°F (20.3°C). The heat index in July is appraised at a sweltering 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Fairmont City, Illinois, with an average temperature varying between 85.1°F (29.5°C) and 66.7°F (19.3°C). As Fairmont City welcomes August, the average high-temperature is noted at a moderately hot 85.1°F (29.5°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Fairmont City, is still a warm month, with an average temperature ranging between min 60.1°F (15.6°C) and max 79.3°F (26.3°C). The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 85.1°F (29.5°C) in August to a still warm 79.3°F (26.3°C). Weather in September »Weather in October
October, like September, in Fairmont City, Illinois, is another comfortable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 66.4°F (19.1°C). The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 79.3°F (26.3°C) to a comfortable 66.4°F (19.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Fairmont City, Illinois, with an average temperature fluctuating between 37.9°F (3.3°C) and 53.2°F (11.8°C). The arrival of November indicates a decrease in the average high-temperature, moving from a comfortable 66.4°F (19.1°C) in October to a cool 53.2°F (11.8°C). Weather in November »Weather in December
December, the first month of the winter in Fairmont City, is still a chilly month, with an average temperature fluctuating between 30.2°F (-1°C) and 42.8°F (6°C). Fairmont City in December demonstrates a small temperature transition, adjusting from an average high of a cool 53.2°F (11.8°C) in November to a frosty 42.8°F (6°C). Weather in December »Updated: Feb 12, 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
Fairmont City's coldest weather arrives in January, when temperatures average a high of 37.8°F (3.2°C) and a low of 24.4°F (-4.2°C).
Throughout the year, there are 154.5 rainfall days, and 35.51" (902mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
In Fairmont City, during the entire year, snow falls for 21.9 days and aggregates up to 7.91" (201mm) of snow.
With an average of 4.6h of sunshine, January has the least sunshine of the year.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairmont City.
The month with the least rainfall is February, when the rain falls for 8.6 days and typically collects 1.89" (48mm) of precipitation.
The month with the most snowfall is February, when snow falls for 6.3 days and typically aggregates up to 2.64" (67mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairmont City, 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.
April through October are months without snowfall in Fairmont City.
May and July, with an average relative humidity of 78%, are most humid months.
May is the month with the most rainfall in Fairmont City, Illinois. Rain falls for 17.5 days and accumulates 4.25" (108mm) of precipitation.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
With an average of 14h and 48min of daylight, June has the longest days of the year in Fairmont City.
The months with the most sunshine in Fairmont City are June and July, with an average of 10.4h of sunshine.
July is Fairmont City's warmest month, registering average high temperatures of 86.4°F (30.2°C) and lows of 68.5°F (20.3°C).
October is the least humid month, with an average relative humidity of 71%.
The month with the shortest days in Fairmont City is December, with an average of 9h and 30min of daylight.
Average temperature
Fairmont City, IL
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure
Fairmont City, 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:
30.12"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
Fairmont City, IL
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Fairmont City, IL
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Fairmont City, IL
- Average rainfall in January:
2.28" - Average rainfall in February:
1.89" - Average rainfall in March:
2.64" - Average rainfall in April:
3.86" - Average rainfall in May:
4.25" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.46" - Average rainfall in August:
3.43" - Average rainfall in September:
2.32" - Average rainfall in October:
2.83" - Average rainfall in November:
2.13" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days
Fairmont City, IL
- Average rainfall days in January:
8 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
8.2 days
The months with the highest number of rainy days are May and July (17.5 days).
The month with the least rainy days is January (8 days).
Average snowfall
Fairmont City, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Fairmont City, IL
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairmont City, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 36min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
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 36min).
Average sunshine days
Fairmont City, IL
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
15 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Fairmont City, 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 and December (UV index 2).
Average cloud cover
Fairmont City, IL
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Fairmont City, 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).
