Climate and monthly weather forecastBrookfield, WI
Climate and monthly weather forecast
The climate of Brookfield
Brookfield, Wisconsin, USA, experiences the Dfb Köppen climate classification, namely, Humid continental, characterized by no dry season and a warm summer. Brookfield rests in the northern part of the United States and is subjected to a wide range of weather conditions throughout the year.Analyzing the climatological data, the annual temperature range in Brookfield is quite broad. The summer months record peak temperatures going up to 77.9°F (25.5°C) in the warmest month of July, while winter temperatures drop to as low as 15.3°F (-9.3°C) in January. Besides temperatures, precipitation also sees significant variation, from a high of 2.6" (66mm) seen in July and a low of 0.75" (19mm) in December. Snowfall is prominent in winter, with the maximum snowfall of 3.39" (86mm) registered in January.
On the other hand, sunshine hours undergo variance with maximum daylight seen in June with 15.3 hours and the shortest daylight hours witnessed in December with just 9.1 hours. The UV index figures suggest maximum exposure in July with an index of 6, indicating the need for sun protection. Wind speed remains relatively steady throughout the year, fluctuating between 6.9mph (11.1km/h) in July and up to 11mph (17.7km/h) in the colder months of January and December.
Unique weather patterns emerge from the monthly data, including the absence of snowfall from May to September. Conversely, consistent snowfall is evident from October to April, with January witnessing the most substantial snowfall. Further, July and August experience the peak temperatures, aligning with the classification of a humid continental climate with a warm summer.
The best time to visit Brookfield
For those comfortable with milder temperatures, fall offers an excellent period to visit Brookfield. September to November manifests temperatures ranging between 70.2°F (21.2°C) and 43.5°F (6.4°C) and minimal snowfall, making it comfortable for sightseeing. Added to this, fall foliage provides a stunning scenic backdrop for visitors during these months, contributing to the overall appeal of the area.The worst time to visit Brookfield
Travel plans during the winter months, from December to February, require serious consideration. During these months, Brookfield experiences extremely cold temperatures, with the minimum touching 15.3°F (-9.3°C) in January. Combined with the maximum snowfall observed in January, these conditions pose challenges to travel and outdoor activities.Spring weather in Brookfield
Springtime in Brookfield spans March through May with temperatures gradually ascending from 40.5°F (4.7°C) to 62.6°F (17°C). This period also signifies an increase in daylight hours from 12 hours in March to just short of 15 hours by May. In line with the warming temperatures, snowfall decreases, paving the way for rainfall ranging between 1.1" (28mm) to 2.17" (55mm). Moreover, wind speed steadily declines from March through May, while relative humidity also presents a falling trend during this season.Summer weather in Brookfield
June through August mark the summer months in Brookfield. During this period, daily maximum temperatures can reach a balmy 77.9°F (25.5°C) in July. Alongside the warm temperatures, the peak daylight hours with up to 15.3 hours contributes to the extended and enjoyable summer days. Nevertheless, the summer season also brings along the highest rainfall, peaking at 2.6" (66mm) in July. The UV index also reaches its highest point of 6 in July, requiring adequate sun protection measures.Autumn weather in Brookfield
Autumn descends on Brookfield from September till the end of November, with temperatures progressively falling from 70.2°F (21.2°C) down to 43.5°F (6.4°C). Autumnal showers are marked by a decrease in rainfall, with minimum rainfall of 0.91" (23mm) happening in November. Meanwhile, daylight hours reduce from 12.5 hours to 9.7 hours between these months. The onset of snowfall is witnessed by November, with an average of 1.65" (42mm) expected during the month.Winter weather in Brookfield
Winter extends from December through February in Brookfield, where the region experiences the coldest temperatures, reaching down to 15.3°F (-9.3°C) in January. Correspondingly, the lowest daylight hours are observed in December with only 9.1 hours. Substantial snowfall is another noteworthy winter feature with January recording the maximum snowfall of 3.39" (86mm). Despite snow-filled days, winter also marks lower rainfall, decreasing to as low as 0.75" (19mm) in December. Wind speeds record higher figures during these months, averaging around 10.4mph (16.7km/h).Weather in January
The transition into the new year in Brookfield, Wisconsin, brings with it the cold grip of winter. Snowfall is quite frequent, with an average accumulation of 3.39" (86mm) across 12.3 days. Other hallmarks of the month include a typically overcast sky, noticeable winds, and a decrease in daylight hours. Weather in January »Weather in February
February in Brookfield continues in the vein of its predecessor, bearing the chill of winter albeit with fewer bouts of snowfall. A slight bump in the average high temperatures marks the beginnings of a transition yet the cold weather conditions prevail. Weather in February »Weather in March
March marks a noticeable change in Brookfield's weather, steering away from the harsh winter and moving towards a milder spring. During this period, a definite rise in average temperatures signifies the relentless march of seasons. Weather in March »Weather in April
April brings with it spring in full swing, breathing life back into Brookfield after a long cold winter. Average temperatures continue to rise, signifying a continued departure from the biting cold of the previous months. The arrival of pleasant weather is punctuated by the city witnessing a significant increase in rainfall, peaking at 2.28" (58mm). Weather in April »Weather in May
May witnesses a further warming trend as Brookfield moves closer to summer. The increase in daylight hours lends itself beautifully to outdoor activities, and with a relative drop in humidity, conditions become comfortable. Amidst the warm embrace of spring, lush green landscapes compliment the sparkling sunshine. Weather in May »Weather in June
June in Brookfield symbolizes the beginning of summer with significant leaps in temperature. The city experiences its longest sunny hours, providing ample opportunities for residents to bask in the summer sunlight. Meanwhile, the humidity and rainfall are preserved at moderate levels, balancing the rising temperatures. Weather in June »Weather in July
July stands out as the warmest month in Brookfield, with average high temperatures peaking at 77.9°F (25.5°C). It brings with it the quintessential summer attributes including long sunny days and relatively lower rainfall. Despite the soaring temperatures, the city manages to maintain a refreshing charm, buoyed by the breezy winds that serve as a relieving contrast. Weather in July »Weather in August
August in Brookfield offers the last full month of summer before the onset of fall. While temperatures slightly retreat from July's peak, August still embodies the summer spirit. The usually sunny skies and long daylight hours favor outdoor activities and provide opportunities for summer sports. Weather in August »Weather in September
September in Brookfield signifies the arrival of autumn with cooling temperatures, shorter days, and an increase in cloud cover. Despite the onset of autumn, the month maintains generous amounts of sunshine, resulting in an overlap of seasons that some may find enchanting. Weather in September »Weather in October
October marks the middle of fall in Brookfield, marked by a significant decline in temperatures and an uptick in rainfall to 1.89" (48mm). The landscape transitions into a vibrant mix of reds, oranges, and yellows, offering splendid sights for nature lovers. Weather in October »Weather in November
November in Brookfield marks the descent towards winter, evidenced by a marked drop in average temperatures and a reoccurrence of snowfall. The colorful spectacle of autumn makes way for the pristine white of winter, while the decrease in daylight hours leads to longer nights. Weather in November »Weather in December
With the arrival of December, winter sets in fully in Brookfield, bringing with it chilly temperatures, increased snowfall, and fewer hours of daylight. The average high temperatures dip further to 32°F (0°C), cementing December's position as one of the year's coldest months. Weather in December »Updated: Aug 2, 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 Brookfield, January is known for its average lowest temperatures, reaching a high of 25.3°F (-3.7°C) and a low of 15.3°F (-9.3°C).
With an average relative humidity of 86%, January is the most humid month.
In Brookfield, during the entire year, the rain falls for 129.9 days and collects up to 19.69" (500mm) of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall in Brookfield is January, when snow falls for 12.3 days and typically aggregates up to 3.39" (86mm) of snow.
Throughout the year, in Brookfield, there are 47.4 snowfall days, and 12.48" (317mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.5h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Brookfield.
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.
April, October and November, with an average relative humidity of 76%, are the least humid months.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 18min of daylight.
July, recording an average high temperature of 77.9°F (25.5°C) and a low temperature of 63.7°F (17.6°C), is Brookfield's warmest month.
July is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.6" (66mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
With an average of 10.4h of sunshine, August has the most sunshine of the year.
December is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.75" (19mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Brookfield, WI
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure
Brookfield, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Brookfield, WI
- Average wind speed in January:
11mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
7mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity
Brookfield, WI
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall
Brookfield, WI
- Average rainfall in January:
0.91" - Average rainfall in February:
0.83" - Average rainfall in March:
1.1" - Average rainfall in April:
2.28" - Average rainfall in May:
2.17" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.17" - Average rainfall in September:
1.54" - Average rainfall in October:
1.89" - Average rainfall in November:
0.91" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days
Brookfield, WI
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Brookfield, WI
- Average snowfall in January:
3.39" - Average snowfall in February:
2.64" - Average snowfall in March:
1.42" - Average snowfall in April:
0.94" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Brookfield, WI
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.2 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.3 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:
5.1 days - Average snowfall days in December:
10.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Brookfield, WI
- Average daylight in January:
9h and 24min - 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 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Brookfield, WI
- Average sunshine days in January:
15 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
16 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is July (12.1 days).
Average UV index
Brookfield, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Brookfield, WI
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Brookfield, WI
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).
