Climate and monthly weather forecastBrimfield, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Brimfield, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 18.3°F (-7.6°C) and 30.4°F (-0.9°C). January stands out as Brimfield's coldest month, with temperatures ranging between an average high of 30.4°F (-0.9°C) and a low of 18.3°F (-7.6°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Brimfield, Illinois, with an average temperature varying between 35.2°F (1.8°C) and 22.3°F (-5.4°C). Brimfield, Illinois, records an average high-temperature of a wintry 35.2°F (1.8°C) in February, closely mirroring the climate of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Brimfield, Illinois, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 48.6°F (9.2°C). As March begins, there is an increase in the average high-temperature, moving from a cold 35.2°F (1.8°C) in February to a frosty 48.6°F (9.2°C). Weather in March »Weather in April
April in Brimfield, Illinois, is a moderate spring month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 44.2°F (6.8°C). In Brimfield, the onset of April comes with an increased average high-temperature, moving from March's chilly 48.6°F (9.2°C) to a mild 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Brimfield, Illinois, with an average temperature varying between 71.4°F (21.9°C) and 54.5°F (12.5°C). May's onset is marked by a temperature increase, moving from a mild 60.4°F (15.8°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »Weather in June
June, the first month of the summer in Brimfield, is a moderately hot month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). June's arrival signals a modest temperature shift, moving from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Brimfield, Illinois, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.1°F (18.4°C). Brimfield reaches its highest average temperatures in July, measuring 82°F (27.8°C) at the peak and 65.1°F (18.4°C) at the lowest. The heat index value during July is calculated to be a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Brimfield, is another warm month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 81.1°F (27.3°C). Brimfield transitions into August recording an average high-temperature of a still warm 81.1°F (27.3°C), closely aligning with the preceding month's temperature. Weather in August »Weather in September
September, the first month of the autumn in Brimfield, is still a warm month, with an average temperature ranging between min 57°F (13.9°C) and max 76.3°F (24.6°C). With the arrival of September, Brimfield's average high-temperature registers at a still warm 76.3°F (24.6°C), indicating a subtle variation from the previous month. Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Brimfield, Illinois, with an average temperature varying between 62.1°F (16.7°C) and 46°F (7.8°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 76.3°F (24.6°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Brimfield, Illinois, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 48°F (8.9°C). Observing a mild shift, the average high-temperature during November reduces from October's refreshing 62.1°F (16.7°C) to a frosty 48°F (8.9°C). Weather in November »Weather in December
December, the first month of the winter in Brimfield, is also a wintry month, with an average temperature varying between 36.5°F (2.5°C) and 25.7°F (-3.5°C). December brings a decrease in the average high-temperature, shifting from a frosty 48°F (8.9°C) in November to a cold 36.5°F (2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Brimfield, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Brimfield, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"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:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Brimfield, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Brimfield, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Brimfield, IL
- Average rainfall in January:
1.46" - Average rainfall in February:
1.42" - Average rainfall in March:
2.13" - Average rainfall in April:
3.5" - Average rainfall in May:
4.29" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.4" - Average rainfall in August:
1.89" - Average rainfall in September:
2.48" - Average rainfall in October:
2.83" - Average rainfall in November:
1.73" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.42").
Average rainfall days
Brimfield, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Brimfield, IL
The month with the highest snowfall is January (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Brimfield, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
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:
0.2 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
6 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
Brimfield, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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:
4h and 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Brimfield, IL
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index
Brimfield, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Brimfield, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Brimfield, 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).





