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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Brookfield, Illinois, with an average temperature fluctuating between 29.1°F (-1.6°C) and 19.2°F (-7.1°C). In Brookfield, the month of January registers the lowest temperatures, averaging 29.1°F (-1.6°C) at the peak and 19.2°F (-7.1°C) at the lowest. Weather in January »
Weather in February
February, the last month of the winter in Brookfield, is a cold month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 32.4°F (0.2°C). The shift into February reveals an average high-temperature of a cold 32.4°F (0.2°C), closely mirroring January's climate. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Brookfield, Illinois, with an average temperature fluctuating between 32.2°F (0.1°C) and 43.7°F (6.5°C). An increase in the average high-temperature marks March, moving from February's wintry 32.4°F (0.2°C) to a chilly 43.7°F (6.5°C). Weather in March »
Weather in April
April in Brookfield, Illinois, is a fresh spring month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 40.8°F (4.9°C). April's onset brings a temperature rise, moving from a frosty 43.7°F (6.5°C) in March to a fresh 53.8°F (12.1°C). Weather in April »
Weather in May
May, the last month of the spring in Brookfield, is a comfortable month, with an average temperature varying between 64.9°F (18.3°C) and 51.4°F (10.8°C). May marks a rise in the average high-temperature, moving from April's cool 53.8°F (12.1°C) to a refreshing 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Brookfield, is a moderately hot month, with an average temperature ranging between min 61.3°F (16.3°C) and max 75°F (23.9°C). June's onset witnesses a shift in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in May to a moderately hot 75°F (23.9°C). Weather in June »
Weather in July
July, like June, in Brookfield, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 67.1°F (19.5°C). Temperature readings reach their annual highs in July, averaging 80.4°F (26.9°C) and a minimum average of 67.1°F (19.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Brookfield, Illinois, with an average temperature varying between 66.7°F (19.3°C) and 79.3°F (26.3°C). The advent of August observes an average high-temperature of a still moderately hot 79.3°F (26.3°C), nearly identical to July's 80.4°F (26.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Brookfield, is still a pleasant month, with an average temperature ranging between max 72.9°F (22.7°C) and min 59.5°F (15.3°C). A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Brookfield, Illinois, with an average temperature ranging between max 59.9°F (15.5°C) and min 47.7°F (8.7°C). The average high-temperature drops in October, from September's agreeable 72.9°F (22.7°C) to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Brookfield, is another chilly month, with an average temperature ranging between min 35.4°F (1.9°C) and max 46°F (7.8°C). Brookfield's progression into November involves a drop in the average high-temperature, receding from a moderate 59.9°F (15.5°C) in October to a frosty 46°F (7.8°C). Weather in November »
Weather in December
December, the first month of the winter in Brookfield, is also an icy month, with an average temperature varying between 26.4°F (-3.1°C) and 35.1°F (1.7°C). Brookfield, Illinois, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 46°F (7.8°C) to an icy 35.1°F (1.7°C). Weather in December »
Updated: Aug 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Brookfield?
Brookfield's January weather, marked by an average high temperature of 29.1°F (-1.6°C) and an average low temperature of 19.2°F (-7.1°C), is the coldest in the year.
What is the most humid month?
The months with the highest humidity are January and February, with an average relative humidity of 82%.
How much does it rain in Brookfield?
In Brookfield, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
Throughout the year, there are 26.5 snowfall days, and 4.06" (103mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Brookfield, Illinois.
What is the driest month?
The months with the least rainfall are February, March, November and December Rain falls for 3.3 days and accumulates 0.39" (10mm) of rain.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.3 days and accumulates 1.38" (35mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the wettest month in Brookfield?
The month with the most rainfall is May, when the rain falls for 11.3 days and typically aggregates up to 1.1" (28mm) of precipitation.
When it does not snow?
In Brookfield, snow does not fall in May through September.
When are the longest days in Brookfield?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Brookfield?
July, with its high-temperature average of 80.4°F (26.9°C) and a low-temperature average of 67.1°F (19.5°C), is the warmest month.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.6h of sunshine.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Brookfield, IL
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure
Brookfield, 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:
30.09"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
Brookfield, IL
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.8mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Brookfield, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Brookfield, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.39" - Average rainfall in April:
0.75" - Average rainfall in May:
1.1" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.63" - Average rainfall in September:
0.51" - Average rainfall in October:
0.67" - Average rainfall in November:
0.39" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days
Brookfield, IL
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
9.5 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall
Brookfield, IL
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Brookfield, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 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:
1.8 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Brookfield, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Brookfield, IL
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
22.4 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index
Brookfield, 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 and December (UV index 1).
Average cloud cover
Brookfield, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Brookfield, 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).
Brookfield, Illinois, USA
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