Climate and monthly weather forecastRisk, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Risk, Illinois, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18.5°F (-7.5°C). The coldest time of the year is January, with temperatures averaging a high of 30.6°F (-0.8°C) and a low of 18.5°F (-7.5°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Risk, Illinois, with an average temperature ranging between max 35.1°F (1.7°C) and min 21.7°F (-5.7°C). The onset of February notes an average high-temperature of a cold 35.1°F (1.7°C), subtly shifted from January's 30.6°F (-0.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Risk, Illinois, with an average temperature fluctuating between 47.7°F (8.7°C) and 33.4°F (0.8°C). A shift in the average high-temperature is noticeable in March, changing from an icy 35.1°F (1.7°C) in February to a chilly 47.7°F (8.7°C). Weather in March »Weather in April
April is a refreshing spring month in Risk, Illinois, with an average temperature fluctuating between 59.7°F (15.4°C) and 43.9°F (6.6°C). April's arrival coincides with a rise in the average high-temperature, moving from March's frosty 47.7°F (8.7°C) to a refreshing 59.7°F (15.4°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Risk, Illinois, with an average temperature varying between 55°F (12.8°C) and 71.6°F (22°C). The beginning of May signals a rise in the average high-temperature, moving from a mild 59.7°F (15.4°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Risk, is a moderately hot month, with an average temperature fluctuating between 62.8°F (17.1°C) and 79.3°F (26.3°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a pleasant 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Risk, Illinois, with an average temperature ranging between min 64.6°F (18.1°C) and max 80.8°F (27.1°C). With its high average temperature of 80.8°F (27.1°C) and a low of 64.6°F (18.1°C), July is regarded as the warmest month. In July, the average heat index is computed to be a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Risk, Illinois, with an average temperature ranging between min 62.6°F (17°C) and max 79.7°F (26.5°C). As Risk, Illinois, steps into August, the average high-temperature holds at a still warm 79.7°F (26.5°C), hinting at a minor fluctuation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Risk, Illinois, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 57.2°F (14°C). The average high-temperature is a still warm 75.7°F (24.3°C) in September, hardly different from the 79.7°F (26.5°C) recorded in August. Weather in September »Weather in October
October, like September, in Risk, Illinois, is another enjoyable autumn month, with an average temperature ranging between min 46.8°F (8.2°C) and max 62.2°F (16.8°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a moderately hot 75.7°F (24.3°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Risk, Illinois, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 47.8°F (8.8°C). The start of November signals a clear decrease in the average high-temperature, falling from a refreshing 62.2°F (16.8°C) in October to a chilly 47.8°F (8.8°C). Weather in November »Weather in December
December, the first month of the winter in Risk, is also a wintry month, with an average temperature fluctuating between 36.5°F (2.5°C) and 26.1°F (-3.3°C). A decrease in the average high-temperature is observed during December, shifting from a frosty 47.8°F (8.8°C) in November to a wintry 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
Risk, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Risk, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"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:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Risk, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Risk, IL
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Risk, IL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
1.34" - Average rainfall in April:
1.97" - Average rainfall in May:
2.56" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.5" - Average rainfall in September:
1.18" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Risk, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall
Risk, IL
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Risk, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.8 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:
2 days - Average snowfall days in December:
6.1 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
Risk, 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 30min - 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:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Risk, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Risk, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Risk, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Risk, 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).





