Climate and monthly weather forecastMonroe Center, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Monroe Center, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 14°F (-10°C). The month of January sees the lowest average temperatures, reaching 26.2°F (-3.2°C) at the peak and 14°F (-10°C) at the low. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Monroe Center, Illinois, with an average temperature ranging between max 30.2°F (-1°C) and min 17.2°F (-8.2°C). February's advent notes a subtle adjustment in average high-temperature to a still subzero cold 30.2°F (-1°C) from January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Monroe Center, Illinois, with an average temperature varying between 44.2°F (6.8°C) and 29.1°F (-1.6°C). March shows a rise in the average high-temperature, moving from February's subzero cold 30.2°F (-1°C) to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April is a refreshing spring month in Monroe Center, Illinois, with an average temperature fluctuating between 39.6°F (4.2°C) and 55.9°F (13.3°C). Monroe Center sees an increase in average high-temperatures during April, moving from a chilly 44.2°F (6.8°C) in March to a mild 55.9°F (13.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Monroe Center, Illinois, with an average temperature varying between 68.2°F (20.1°C) and 50.9°F (10.5°C). With the transition into May, Monroe Center experiences an increase in average high-temperatures, moving up from a moderate 55.9°F (13.3°C) in April to a pleasant 68.2°F (20.1°C). Weather in May »Weather in June
June, the first month of the summer in Monroe Center, is a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 59.5°F (15.3°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) to a moderately hot 77°F (25°C). Weather in June »Weather in July
July, like June, in Monroe Center, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 62.8°F (17.1°C). Monroe Center records the warmest temperatures in July, averaging a high of 79.9°F (26.6°C) and a low of 62.8°F (17.1°C). Weather in July »Weather in August
August, the last month of the summer in Monroe Center, is another warm month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 60.4°F (15.8°C). Monroe Center sees the arrival of August with an average high-temperature of a still warm 78.1°F (25.6°C), indicating a subtle variation from July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Monroe Center, Illinois, with an average temperature ranging between min 54.1°F (12.3°C) and max 72.5°F (22.5°C). With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.1°F (25.6°C) to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Monroe Center, Illinois, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 43.5°F (6.4°C). October's onset corresponds with a shift in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) in September to a mild 59.4°F (15.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Monroe Center, Illinois, with an average temperature ranging between max 44.6°F (7°C) and min 31.6°F (-0.2°C). November signals a clear decrease in the average high-temperature, dropping from October's moderate 59.4°F (15.2°C) to a frosty 44.6°F (7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Monroe Center, Illinois, with an average temperature varying between 22.5°F (-5.3°C) and 32.5°F (0.3°C). The decrease of average high-temperatures is mild in December, with a decline from a chilly 44.6°F (7°C) in November to a wintry 32.5°F (0.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Monroe Center, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.2°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure
Monroe Center, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"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:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Monroe Center, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Monroe Center, IL
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Monroe Center, IL
- Average rainfall in January:
0.39" - Average rainfall in February:
0.35" - Average rainfall in March:
0.35" - Average rainfall in April:
0.83" - Average rainfall in May:
0.91" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.55" - Average rainfall in September:
0.55" - Average rainfall in October:
0.55" - Average rainfall in November:
0.31" - Average rainfall in December:
0.31"
The wettest month (with the highest rainfall) is May (0.91").
The driest months (with the least rainfall) are November and December (0.31").
Average rainfall days
Monroe Center, IL
- Average rainfall days in January:
3 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
7 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.2 days - Average rainfall days in September:
7 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
3.9 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3 days).
Average snowfall
Monroe Center, IL
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Monroe Center, IL
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
1.4 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:
0.5 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Monroe Center, IL
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 42min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Monroe Center, IL
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
19.9 days - Average sunshine days in March:
20.9 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
20.2 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is July (14.1 days).
Average UV index
Monroe Center, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Monroe Center, IL
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Monroe Center, 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).





