Climate and monthly weather forecastVermont, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Vermont, Illinois, is another cold winter month, with an average temperature varying between 32.4°F (0.2°C) and 20.3°F (-6.5°C). In Vermont, the lowest average temperatures are observed in January, with a high of 32.4°F (0.2°C) and a low of 20.3°F (-6.5°C). Weather in January »Weather in February
February, the last month of the winter in Vermont, is also a wintry month, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 23.9°F (-4.5°C). February ushers in an average high-temperature of a still icy 37.4°F (3°C), aligning closely with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Vermont, Illinois, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 50.5°F (10.3°C). The shift into March is marked by a rise in the average high-temperature, moving from February's cold 37.4°F (3°C) to a fresh 50.5°F (10.3°C). Weather in March »Weather in April
April is an enjoyable spring month in Vermont, Illinois, with an average temperature ranging between min 45°F (7.2°C) and max 62.2°F (16.8°C). The beginning of April signals a rise in the average high-temperature, moving from a cool 50.5°F (10.3°C) in March to a comfortable 62.2°F (16.8°C). Weather in April »Weather in May
May, the last month of the spring in Vermont, is an agreeable month, with an average temperature ranging between min 55.4°F (13°C) and max 72.1°F (22.3°C). As Vermont enters May, the average high-temperature increases from the a comfortable 62.2°F (16.8°C) of April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Vermont, Illinois, with an average temperature varying between 64°F (17.8°C) and 80.8°F (27.1°C). Observing a slight rise in June, the average high-temperature shifts from May's pleasant 72.1°F (22.3°C) to a moderately hot 80.8°F (27.1°C). Weather in June »Weather in July
July, like June, in Vermont, Illinois, is a moderately hot summer month, with an average temperature ranging between min 66.4°F (19.1°C) and max 83.1°F (28.4°C). July is the warmest month, exhibiting average temperatures of 83.1°F (28.4°C) at the peak and 66.4°F (19.1°C) at the base. July's heat index is computed to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Vermont, is also a moderately hot month, with an average temperature ranging between min 64.2°F (17.9°C) and max 82.9°F (28.3°C). Vermont's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 82.9°F (28.3°C), nearly identical to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Vermont, is still a warm month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 77.5°F (25.3°C). Vermont in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 82.9°F (28.3°C) in August to a still moderately hot 77.5°F (25.3°C). Weather in September »Weather in October
October, like September, in Vermont, Illinois, is another refreshing autumn month, with an average temperature ranging between min 46.9°F (8.3°C) and max 63.5°F (17.5°C). Vermont's October weather shows a moderate shift in high-temperatures, falling from September's moderately hot 77.5°F (25.3°C) to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Vermont, Illinois, with an average temperature ranging between min 35.4°F (1.9°C) and max 49.6°F (9.8°C). The decrease of average high-temperatures is mild in November, with a decline from a comfortable 63.5°F (17.5°C) in October to a frosty 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Vermont, is also a wintry month, with an average temperature fluctuating between 38.3°F (3.5°C) and 26.6°F (-3°C). Vermont's weather changes with the onset of December, slightly falling from a frosty 49.6°F (9.8°C) in November to a cold 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Vermont, IL
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.4°F).
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Vermont, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"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:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Vermont, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.9mph - 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 (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity
Vermont, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Vermont, IL
- Average rainfall in January:
1.5" - Average rainfall in February:
1.61" - Average rainfall in March:
2.4" - Average rainfall in April:
3.39" - Average rainfall in May:
4.02" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.24" - Average rainfall in September:
2.83" - Average rainfall in October:
2.56" - Average rainfall in November:
1.81" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days
Vermont, IL
- Average rainfall days in January:
6 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6 days).
Average snowfall
Vermont, IL
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Vermont, IL
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.7 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:
0.1 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Vermont, IL
- Average daylight in January:
9h and 42min - 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 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 18min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Vermont, IL
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index
Vermont, 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
Vermont, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Vermont, 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).





