Climate and monthly weather forecastBrown Deer, WI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Brown Deer, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 26.8°F (-2.9°C). During the coldest month, January, temperatures average a high of 26.8°F (-2.9°C) and a low of 17.1°F (-8.3°C). Weather in January »Weather in February
February, the last month of the winter in Brown Deer, is also a subzero cold month, with an average temperature varying between 19.4°F (-7°C) and 28.9°F (-1.7°C). With the onset of February, a modest change to a still subzero cold 28.9°F (-1.7°C) from January's 26.8°F (-2.9°C) is noted in high-temperature. Weather in February »Weather in March
March, the first month of the spring in Brown Deer, is a cold month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 38.8°F (3.8°C). Brown Deer's transition into March brings a rise in the average high-temperature, moving from a subzero cold 28.9°F (-1.7°C) in February to a wintry 38.8°F (3.8°C). Weather in March »Weather in April
April is a chilly spring month in Brown Deer, Wisconsin, with an average temperature fluctuating between 48.2°F (9°C) and 37.8°F (3.2°C). Brown Deer, Wisconsin, in April sees a temperature change, with average high-temperatures moving from a wintry 38.8°F (3.8°C) in March to a chilly 48.2°F (9°C). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Brown Deer, Wisconsin, with an average temperature ranging between max 58.6°F (14.8°C) and min 47.5°F (8.6°C). Brown Deer, Wisconsin, sees an increase in the average high-temperature with the arrival of May, moving from April's chilly 48.2°F (9°C) to a refreshing 58.6°F (14.8°C). Weather in May »Weather in June
June, the first month of the summer in Brown Deer, is a pleasant month, with an average temperature varying between 56.8°F (13.8°C) and 68.2°F (20.1°C). June shows a rise in the average high-temperature, moving from May's moderate 58.6°F (14.8°C) to a pleasant 68.2°F (20.1°C). Weather in June »Weather in July
July is a warm summer month in Brown Deer, Wisconsin, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 75.7°F (24.3°C). July, noted for its average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 64.8°F (18.2°C), is considered the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Brown Deer, Wisconsin, with an average temperature fluctuating between 75.6°F (24.2°C) and 64.4°F (18°C). As August takes its course, Brown Deer's average high-temperature registers at a still warm 75.6°F (24.2°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Brown Deer, is still a pleasant month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 58.1°F (14.5°C). With the commencement of September, Brown Deer records a moderate temperature decline, with the average high easing from August's moderately hot 75.6°F (24.2°C) to a pleasant 69.4°F (20.8°C). Weather in September »Weather in October
October, the same as September, in Brown Deer, Wisconsin, is another mild autumn month, with an average temperature varying between 56.8°F (13.8°C) and 46.6°F (8.1°C). With October's arrival, Brown Deer sees a decrease in average high-temperatures, moving from an agreeable 69.4°F (20.8°C) in September to a mild 56.8°F (13.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Brown Deer, Wisconsin, with an average temperature ranging between min 34.2°F (1.2°C) and max 43.7°F (6.5°C). The onset of November results in a decrease in the average high-temperature, receding from a refreshing 56.8°F (13.8°C) in October to a frosty 43.7°F (6.5°C). Weather in November »Weather in December
December, the first month of the winter in Brown Deer, is also an icy month, with an average temperature varying between 25°F (-3.9°C) and 32.9°F (0.5°C). Welcoming December, Brown Deer observes a shift in the average high-temperature, falling from November's frosty 43.7°F (6.5°C) to an icy 32.9°F (0.5°C). Weather in December »Updated: Aug 19, 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
January, marked by an average high-temperature of 26.8°F (-2.9°C) and a low-temperature of 17.1°F (-8.3°C), is the coldest month.
With an average relative humidity of 85%, January is the most humid month.
Throughout the year, in Brown Deer, there are 129.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 12.8 days and typically aggregates up to 2.17" (55mm) of snow.
Throughout the year, there are 42.5 snowfall days, and 8.23" (209mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.6h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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.
In Brown Deer, snow does not fall in May through September.
With an average of 15h and 18min of daylight, June has the longest days of the year.
Brown Deer's temperatures peak on average in July, reaching 75.7°F (24.3°C) at their highest and 64.8°F (18.2°C) at their lowest.
The month with the most rainfall in Brown Deer is July, when the rain falls for 15.2 days and typically aggregates up to 2.56" (65mm) of precipitation.
July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Brown Deer.
With an average maximum UV index of 6, July is the month with the highest UV index.
With an average relative humidity of 75%, October is the least humid month.
The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Brown Deer, WI
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Brown Deer, 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
Brown Deer, WI
- Average wind speed in January:
12.6mph - Average wind speed in February:
12.2mph - Average wind speed in March:
11.1mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.7mph - Average wind speed in August:
7.9mph - Average wind speed in September:
9.3mph - Average wind speed in October:
11.1mph - Average wind speed in November:
11.9mph - Average wind speed in December:
11.8mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity
Brown Deer, WI
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Brown Deer, WI
- Average rainfall in January:
0.75" - Average rainfall in February:
0.75" - Average rainfall in March:
1.02" - Average rainfall in April:
2.01" - Average rainfall in May:
2.28" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.56" - Average rainfall in August:
1.97" - Average rainfall in September:
1.54" - Average rainfall in October:
1.73" - Average rainfall in November:
0.83" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days
Brown Deer, WI
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
12 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
5.5 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Brown Deer, WI
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Brown Deer, WI
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
6 days - Average snowfall days in April:
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:
0.5 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Brown Deer, WI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - 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 36min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Brown Deer, WI
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
16 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Brown Deer, 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
Brown Deer, WI
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Brown Deer, 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).
