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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, the same as December, in Brookfield, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 19.2°F (-7.1°C) and 29.1°F (-1.6°C). Temperature records mark January as the coldest month, with highs averaging 29.1°F (-1.6°C) and lows at 19.2°F (-7.1°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Brookfield, Illinois, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 32.4°F (0.2°C). Brookfield marks the onset of February with an average high-temperature of a wintry 32.4°F (0.2°C), subtly divergent from January's 29.1°F (-1.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Brookfield, Illinois, with an average temperature ranging between min 32.2°F (0.1°C) and max 43.7°F (6.5°C). The arrival of March signals an increase in the average high-temperature, moving from a cold 32.4°F (0.2°C) in February 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). Brookfield's weather in April shows a rise in the average high-temperature, moving up from March's chilly 43.7°F (6.5°C) to a cool 53.8°F (12.1°C). Weather in April »
Weather in May
May, the last month of the spring in Brookfield, is an enjoyable month, with an average temperature varying between 64.9°F (18.3°C) and 51.4°F (10.8°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 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 varying between 61.3°F (16.3°C) and 75°F (23.9°C). The arrival of June brings a temperature shift, with the average high-temperature escalating from a refreshing 64.9°F (18.3°C) in May to a warm 75°F (23.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Brookfield, Illinois, with an average temperature varying between 80.4°F (26.9°C) and 67.1°F (19.5°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 80.4°F (26.9°C) and a low of 67.1°F (19.5°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Brookfield, Illinois, with an average temperature fluctuating between 79.3°F (26.3°C) and 66.7°F (19.3°C). As Brookfield steps into August, the average high-temperature holds at a still moderately hot 79.3°F (26.3°C), hinting at a minor fluctuation from the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Brookfield, Illinois, with an average temperature ranging between min 59.5°F (15.3°C) and max 72.9°F (22.7°C). As September arrives, Brookfield's weather displays a minor decrease in high-temperatures, transitioning from August's warm 79.3°F (26.3°C) to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Brookfield, Illinois, with an average temperature ranging between min 47.7°F (8.7°C) and max 59.9°F (15.5°C). October comes with a decrease in the average high-temperature, falling from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Brookfield, Illinois, with an average temperature ranging between min 35.4°F (1.9°C) and max 46°F (7.8°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a mild 59.9°F (15.5°C) in October to a chilly 46°F (7.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Brookfield, Illinois, with an average temperature ranging between max 35.1°F (1.7°C) and min 26.4°F (-3.1°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 46°F (7.8°C) in November to a wintry 35.1°F (1.7°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Brookfield?
January, recording an average high temperature of 29.1°F (-1.6°C) and a low temperature of 19.2°F (-7.1°C), is Brookfield's coldest month.
What are the most humid months in Brookfield?
The months with the highest humidity in Brookfield are January and February, with an average relative humidity of 82%.
How many days does it rain in Brookfield?
In Brookfield, Illinois, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.
When does it snow in Brookfield?
Months with snowfall are January through April, October through December.
How many days does it snow in Brookfield?
In Brookfield, Illinois, during the entire year, snow falls for 26.5 days and aggregates up to 4.06" (103mm) of snow.
What is the month with the least sunshine in Brookfield?
With an average of 3.8h of sunshine, January has the least sunshine of the year in Brookfield, Illinois.
What are the months with the lowest UV index in Brookfield?
The months with the lowest UV index in Brookfield are January and December, with an average maximum UV index of 1.
What is the driest month in Brookfield?
February, March, November and December are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.39" (10mm) of rain.
What is the snowiest month in Brookfield?
The month with the most snowfall is February, when snow falls for 7.3 days and typically aggregates up to 1.38" (35mm) of snow.
When is Daylight Saving Time (DST) in Brookfield?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Brookfield, 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 rainiest month in Brookfield?
May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.1" (28mm) of precipitation.
When it does not snow in Brookfield?
In Brookfield, Illinois, snow does not fall in May through September.
When are the longest days in Brookfield?
The month with the longest days in Brookfield is June, with an average of 15h and 12min of daylight.
What is the month with the highest UV index in Brookfield?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month in Brookfield?
Brookfield witnesses the warmest weather in July, with temperatures averaging a high of 80.4°F (26.9°C) and a low of 67.1°F (19.5°C).
What month has the most sunshine in Brookfield?
The month with the most sunshine in Brookfield, Illinois, is August, with an average of 10.6h of sunshine.
What is the least humid month in Brookfield?
The least humid month in Brookfield is October, with an average relative humidity of 72%.
What is the month with the shortest days in Brookfield?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Brookfield.
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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