Climate and monthly weather forecastRolling Meadows, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Rolling Meadows, Illinois, with an average temperature fluctuating between 17.4°F (-8.1°C) and 27.9°F (-2.3°C). January is the coldest month, with the temperature often reaching an average high of 27.9°F (-2.3°C) and an average low of 17.4°F (-8.1°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Rolling Meadows, Illinois, with an average temperature ranging between max 31.6°F (-0.2°C) and min 20.1°F (-6.6°C). With the advent of February, Rolling Meadows experiences an average high-temperature of a still freezing cold 31.6°F (-0.2°C), mirroring a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Rolling Meadows, is a frosty month, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 30.7°F (-0.7°C). The arrival of March brings a change in Rolling Meadows's weather, with average high-temperatures moving from February's subzero cold 31.6°F (-0.2°C) to a frosty 43.9°F (6.6°C). Weather in March »Weather in April
April is a fresh spring month in Rolling Meadows, Illinois, with an average temperature fluctuating between 39.9°F (4.4°C) and 54.7°F (12.6°C). Observing a rise in April, the average high-temperature goes from March's chilly 43.9°F (6.6°C) to a fresh 54.7°F (12.6°C). Weather in April »Weather in May
May, the last month of the spring in Rolling Meadows, is a refreshing month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 66.4°F (19.1°C). May brings a temperature change, with average high-temperatures moving from April's fresh 54.7°F (12.6°C) to a comfortable 66.4°F (19.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Rolling Meadows, Illinois, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 76.3°F (24.6°C). June's arrival is marked by an increase in the average high-temperature, moving from a refreshing 66.4°F (19.1°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »Weather in July
July, like June, in Rolling Meadows, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 66°F (18.9°C). With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 66°F (18.9°C), July is the warmest month. July's mean heat index is evaluated at a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rolling Meadows, Illinois, with an average temperature varying between 80.1°F (26.7°C) and 65.3°F (18.5°C). As August unfolds, the average high-temperature reaches a still warm 80.1°F (26.7°C), hinting at a slight fluctuation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Rolling Meadows, is also an agreeable month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 73.2°F (22.9°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 80.1°F (26.7°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Rolling Meadows, Illinois, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 45.7°F (7.6°C). The onset of October coincides with a reduction in the average high-temperature, falling from a pleasant 73.2°F (22.9°C) in September to a mild 60.1°F (15.6°C). Weather in October »Weather in November
November, the last month of the autumn in Rolling Meadows, is another chilly month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 45.5°F (7.5°C). The arrival of November is marked by a notable decrease in high-temperatures, falling from a mild 60.1°F (15.6°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Rolling Meadows, is also a wintry month, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 34.3°F (1.3°C). December brings a decrease in the average high-temperature, falling from November's chilly 45.5°F (7.5°C) to a cold 34.3°F (1.3°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rolling Meadows, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Rolling Meadows, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"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:
29.92"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Rolling Meadows, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Rolling Meadows, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Rolling Meadows, IL
- Average rainfall in January:
1.73" - Average rainfall in February:
1.89" - Average rainfall in March:
1.93" - Average rainfall in April:
3.46" - Average rainfall in May:
3.46" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.32" - Average rainfall in September:
1.89" - Average rainfall in October:
2.48" - Average rainfall in November:
1.57" - Average rainfall in December:
1.65"
The wettest months (with the highest rainfall) are April and May (3.46").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days
Rolling Meadows, IL
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Rolling Meadows, IL
- Average snowfall in January:
5.67" - Average snowfall in February:
5.71" - Average snowfall in March:
1.61" - Average snowfall in April:
2.48" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rolling Meadows, IL
- Average snowfall days in January:
13.1 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.1 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:
4 days - Average snowfall days in December:
10.9 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rolling Meadows, 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 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Rolling Meadows, IL
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
16 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Rolling Meadows, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Rolling Meadows, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Rolling Meadows, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





