Climate and monthly weather forecastSouth Milwaukee, WI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in South Milwaukee, Wisconsin, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 18°F (-7.8°C). With an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in South Milwaukee, is also a subzero cold month, with an average temperature varying between 19.8°F (-6.8°C) and 29.7°F (-1.3°C). The advent of February brings an average high-temperature of a still subzero cold 29.7°F (-1.3°C), almost identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in South Milwaukee, is an icy month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 39.6°F (4.2°C). The onset of March marks an increase in the average high-temperature, moving from a freezing cold 29.7°F (-1.3°C) in February to a wintry 39.6°F (4.2°C). Weather in March »Weather in April
April is a frosty spring month in South Milwaukee, Wisconsin, with an average temperature ranging between min 37.9°F (3.3°C) and max 48.7°F (9.3°C). The start of April is characterized by an increase in the average high-temperature, transitioning from an icy 39.6°F (4.2°C) in March to a frosty 48.7°F (9.3°C). Weather in April »Weather in May
May, the last month of the spring in South Milwaukee, is a mild month, with an average temperature ranging between max 59.2°F (15.1°C) and min 47.8°F (8.8°C). The start of May brings a shift in the average high-temperature, increasing from April's chilly 48.7°F (9.3°C) to a moderate 59.2°F (15.1°C). Weather in May »Weather in June
June, the first month of the summer in South Milwaukee, is a pleasant month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 68.5°F (20.3°C). In South Milwaukee, the onset of June comes with an increased average high-temperature, moving from May's mild 59.2°F (15.1°C) to an agreeable 68.5°F (20.3°C). Weather in June »Weather in July
July in South Milwaukee, Wisconsin, is a warm summer month, with an average temperature varying between 75.9°F (24.4°C) and 65.1°F (18.4°C). July, recording an average high temperature of 75.9°F (24.4°C) and a low temperature of 65.1°F (18.4°C), is South Milwaukee's warmest month. Weather in July »Weather in August
August, the last month of the summer in South Milwaukee, is also a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 64.8°F (18.2°C). The transition into August notes an average high-temperature of a still moderately hot 75.7°F (24.3°C), revealing a mild distinction from the 75.9°F (24.4°C) in July. Weather in August »Weather in September
September, the first month of the autumn in South Milwaukee, is also an agreeable month, with an average temperature fluctuating between 69.6°F (20.9°C) and 58.3°F (14.6°C). A minor decrease in the average high-temperature is observed during September, shifting from a warm 75.7°F (24.3°C) in August to an agreeable 69.6°F (20.9°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in South Milwaukee, Wisconsin, with an average temperature varying between 47.3°F (8.5°C) and 57.2°F (14°C). October weather is marked by a drop in the average high-temperature, falling from a pleasant 69.6°F (20.9°C) in September to a moderate 57.2°F (14°C). Weather in October »Weather in November
November, the last month of the autumn in South Milwaukee, is another chilly month, with an average temperature fluctuating between 43.9°F (6.6°C) and 34.7°F (1.5°C). South Milwaukee's weather changes with the onset of November, slightly falling from a moderate 57.2°F (14°C) in October to a chilly 43.9°F (6.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in South Milwaukee, Wisconsin, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 33.3°F (0.7°C). As December arrives, South Milwaukee's weather displays a decrease in high-temperatures, transitioning from November's frosty 43.9°F (6.6°C) to a cold 33.3°F (0.7°C). Weather in December »Updated: Jun 29, 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
The month of January, characterized by an average high of 27°F (-2.8°C) and a low of 18°F (-7.8°C), is recognized as the coldest.
The most humid month is January, with an average relative humidity of 84%.
Throughout the year, there are 131.9 rainfall days, and 18.54" (471mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 13.5 days and typically aggregates up to 2.01" (51mm) of snow.
Throughout the year, there are 45.2 snowfall days, and 7.83" (199mm) of snow is accumulated.
January has the least sunshine of the year in South Milwaukee, Wisconsin, 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.
The month with the least rainfall is February, when the rain falls for 4.3 days and typically collects 0.75" (19mm) of precipitation.
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 through September are months without snowfall.
With an average of 15h and 18min of daylight, June has the longest days of the year.
In South Milwaukee, July is known for its average highest temperatures, reaching a high of 75.9°F (24.4°C) and a low of 65.1°F (18.4°C).
July is the month with the most rainfall. Rain falls for 16.1 days and accumulates 2.4" (61mm) of precipitation.
The month with the most sunshine is July, with an average of 10.6h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
October and November, with an average relative humidity of 75%, are the least humid months.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
South Milwaukee, WI
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
South Milwaukee, 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
South Milwaukee, 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:
9.5mph - Average wind speed in June:
8.4mph
- 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:
11.2mph - Average wind speed in November:
12.1mph - 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
South Milwaukee, WI
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
South Milwaukee, WI
- Average rainfall in January:
0.87" - Average rainfall in February:
0.75" - Average rainfall in March:
0.98" - Average rainfall in April:
1.97" - Average rainfall in May:
2.17" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.13" - Average rainfall in September:
1.54" - Average rainfall in October:
1.85" - Average rainfall in November:
0.98" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days
South Milwaukee, WI
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
South Milwaukee, WI
The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
South Milwaukee, WI
- Average snowfall days in January:
13.5 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
1.8 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:
0.6 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Milwaukee, 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 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 0min - 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:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
South Milwaukee, WI
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
14 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
14 days - Average sunshine days in May:
14 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
South Milwaukee, 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
South Milwaukee, WI
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
South Milwaukee, 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).
