Climate and monthly weather forecastBolingbrook, IL
Climate and monthly weather forecast
The climate of Bolingbrook
In the midst of the Midwest, Bolingbrook, Illinois, basks in a Humid continental climate as classified under the Köppen climate classification. With no dry season to break the year's flow, and hot summers enlivening the town, the climate here ebbs and flows with the changing months.The temperature levels across the year offer a multifaceted reading. High temperatures range from a crisp 28.8°F (-1.8°C) in January to a basking 81.9°F (27.7°C) in July. Concurrently, low temperatures swing from a chilling 17.1°F (-8.3°C) in January to a mild 65.7°F (18.7°C) again in July - effectively marking out the climatic extremities. Variations in humidity are less drastic yet palpable, with January and February showcasing 83% relative humidity, followed by a gradual decrease to a low of 73% by October.
Supplementing this, Bolingbrook receives a fair share of rain, amounting to a maximum of 2.83" (72mm) in May, and receding to as low as 1.06" (27mm) in December. The months March to August witness most of the town's rainfall, keeping with the theme of an annual no-dry season. Equally notable is the snowfall experienced; certain months, such as January, holding a record of 3.11" (79mm), pointing to an idyllic snow-dotted landscape, although completely absent between June to September.
Observably, increases in daylight hours, sunshine hours, and UV Index seem to coincide with the summer months, while wind speeds dip during this period. The least cloudy month happens to be August, with cloud coverage painting 31% of the sky, disallowed from obscuring the abundant sunlight of 9.9 hours per day.
The best time to visit Bolingbrook
The finest time to visit Bolingbrook for ideal outdoor activities is from late May to late September. This period promises the most amiable weather, with average high temperatures varying from a pleasant 69.4°F (20.8°C) to an inviting 81.9°F (27.7°C). The rainfall, though palpable, is evenly spread without dampening the overall climate. Coincidentally, this time also witnesses the longest days with an average of 14.6 to 15.2 daylight hours, allowing ample time for exploring the charming city.The worst time to visit Bolingbrook
The least ideal occasion for visiting Bolingbrook corresponds to the colder months, specifically from November to February. The plummeting temperatures, which average between 28.8°F (-1.8°C) to 34.7°F (1.5°C) high and 17.1°F (-8.3°C) to 24.6°F (-4.1°C) low, coupled with substantial snowfall, make outdoor activities less engaging. Furthermore, reduced daylight hours from 9.6 to 9.2 hours further limit explorations.Spring weather in Bolingbrook
The onset of Spring in Bolingbrook brings an upturn from the colder months, heralding warmer temperatures that climb from an average high of 45.7°F (7.6°C) in March, mounting to 57°F (13.9°C) and 69.4°F (20.8°C) in April and May respectively. As the snowfall fades out, replaced by gentle rain, the humidity levels dwindle to around 74% to 76%.Summer weather in Bolingbrook
The summer months, June to August, are when Bolingbrook is at its climatic best. Consistent warmth envelopes the city with average high temperatures hovering between 78.6°F (25.9°C) to 81.9°F (27.7°C). Pleasantly, nights provide much-needed relief with temperatures dropping to the 60s°F. Despite rainfall recording between 2.72" (69mm) to 2.48" (63mm), it does little to dampen the spirit of summer.Autumn weather in Bolingbrook
Autumn in Bolingbrook witnesses a gradual dip in temperatures, from 74.3°F (23.5°C) in September to 60.6°F (15.9°C) in October, and further down to 46.6°F (8.1°C) in November. Accompanying these cooler temperatures is rainfall, lessened to 1.14" (29mm) by November. Even as days shorten, the average sunshine hours reduce from 8.7 hours in September to 5.1 hours by November.Winter weather in Bolingbrook
Winter sways into Bolingbrook during December, lowering the temperature to an average high of 34.7°F (1.5°C) and a humbling low of 24.6°F (-4.1°C). These chilling temperatures usher in the season's snowfall, peaking to 1.89" (48mm) in December. With daylight hours veering to the minimum at 9.2 hours, and sunshine available barely for 4.1 hours, the town wraps in a white blanket, signalling the close of the year.Weather in January
January in Bolingbrook, Illinois brings along the chill of winter. Snowfall tends to be prevalent with up to 3.11" (79mm) of snow accumulation. The chilly days are marked by relatively high humidity and limited sunshine. Cold winds become a common phenomenon as the city forges through the winter. Weather in January »Weather in February
February sees a slight increase in the temperature, indicating the start of a transition from the harsh winter. Bolingbrook recovers from January's frostiness, yet the city remains draped under the winter blanket. Snowfall decreases compared to the previous month, reaching up to 2.8" (71mm). Weather in February »Weather in March
March delivers a notable shift in weather conditions with an increase in temperatures, signifying the advent of spring. Rain begins to replace the snow, providing a refreshingly different touch to nature. The city of Bolingbrook starts to witness a metamorphosis from the icy scenery to the blooming spring. Weather in March »Weather in April
April's weather showcases a complete arrival of spring in Bolingbrook. Light winds replace the bone-chilling gusts of the winter, making outdoor activities more enjoyable. Icy patches dissipate, and the city begins to flourish under the warmer sunlight. Weather in April »Weather in May
May marks the gradual rise in temperatures as the city gears up for the summer. Bolingbrook basks in the warmth of the sun with extended daylight hours and decreased cloud cover. The city blooms entirely, showing a diverse range of flora. Weather in May »Weather in June
June welcomes the summer with considerably high temperatures in Bolingbrook, Illinois. The city luxuriates in an abundance of sunlight with minimal cloudiness and longer daylight. It's the perfect time for outdoor activities, from picnicking to hiking. Weather in June »Weather in July
July is the peak of summer in Bolingbrook, with temperatures reaching up to 81.9°F (27.7°C). Balmy evenings and sun-drenched days become the city's new norm. Despite the increased temperature, rainfalls remain consistent, turning the surroundings into a green paradise. Weather in July »Weather in August
August holds onto the summer heat,though temperatures slightly dip from July. The city of Bolingbrook continues to experience high humidity and more outdoor-friendly conditions. Despite the balmy days, the beginnings of a mild cool breeze signal the approaching fall. Weather in August »Weather in September
September marks the beginning of fall in Bolingbrook, Illinois. The weather starts to cool down gradually as the days shorten. A sense of tranquility envelops the city with leaves changing color. The mild decrease in temperature reflects the transition from hot summer to the refreshing fall. Weather in September »Weather in October
October embraces full fall weather, bringing a significant drop in temperature from the previous month. Bolingbrook decks up in myriad hues of red, orange, and yellow foliage. It's the perfect time for fall festivities and seasonal activities. Weather in October »Weather in November
November progresses into late fall, nearing the start of winter. Cold winds start to take over Bolingbrook, and the landscape gradually wears a barren look. The city prepares for the incoming winter, with temperatures dropping even further. Weather in November »Weather in December
December in Bolingbrook signifies the full onset of winter with temperatures ranging from 24.6°F (-4.1°C) to 34.7°F (1.5°C). Snow starts to blanket the city, transforming it into a winter wonderland. The cold intensifies and daylight decreases further. Weather in December »Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Bolingbrook, January is the coldest month, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 17.1°F (-8.3°C).
The months with the highest humidity are January and February, with an average relative humidity of 83%.
In Bolingbrook, during the entire year, the rain falls for 145.4 days and collects up to 22.83" (580mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 12.1 days and accumulates 3.11" (79mm) of snow.
Throughout the year, there are 44.4 snowfall days, and 11.93" (303mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.8h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
May is the month with the most rainfall. Rain falls for 16.4 days and accumulates 2.83" (72mm) of precipitation.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Bolingbrook's July weather, with an average high temperature of 81.9°F (27.7°C) and an average low temperature of 65.7°F (18.7°C), tends to be the warmest of the year.
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.
October is the least humid month, with an average relative humidity of 73%.
The month with the least rainfall is December, when the rain falls for 7.1 days and typically collects 1.06" (27mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Bolingbrook, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Bolingbrook, 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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"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
Bolingbrook, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Bolingbrook, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Bolingbrook, IL
- Average rainfall in January:
1.22" - Average rainfall in February:
1.18" - Average rainfall in March:
1.3" - Average rainfall in April:
2.4" - Average rainfall in May:
2.83" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.48" - Average rainfall in September:
1.77" - Average rainfall in October:
2.01" - Average rainfall in November:
1.14" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days
Bolingbrook, IL
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Bolingbrook, IL
The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bolingbrook, IL
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
10.6 days - Average snowfall days in March:
6.2 days - Average snowfall days in April:
2.2 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:
0.4 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
9.7 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bolingbrook, IL
- Average daylight in January:
9h and 36min - 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 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 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 48min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Bolingbrook, IL
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index
Bolingbrook, 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
Bolingbrook, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Bolingbrook, 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).
