Climate and monthly weather forecastRochester, WI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rochester, Wisconsin, is a freezing cold winter month, with temperature in the range of an average low of 14.4°F (-9.8°C) and an average high of 25.7°F (-3.5°C). With average temperatures fluctuating between a high of 25.7°F (-3.5°C) and a low of 14.4°F (-9.8°C), January stands out as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Rochester, Wisconsin, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 28.9°F (-1.7°C). Rochester's weather in February displays an average high-temperature of a still freezing cold 28.9°F (-1.7°C), showing minor disparity from January's 25.7°F (-3.5°C). Weather in February »Weather in March
March, the first month of the spring in Rochester, is a cold month, with an average temperature fluctuating between 41.9°F (5.5°C) and 28.6°F (-1.9°C). March's onset is marked by a temperature increase, moving from a subzero cold 28.9°F (-1.7°C) in February to a wintry 41.9°F (5.5°C). Weather in March »Weather in April
April in Rochester, Wisconsin, is a cool spring month, with an average temperature ranging between min 37.9°F (3.3°C) and max 52.9°F (11.6°C). April's onset brings a rise in the average high-temperature, moving from a cold 41.9°F (5.5°C) in March to a fresh 52.9°F (11.6°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Rochester, Wisconsin, with an average temperature ranging between min 48.7°F (9.3°C) and max 64.8°F (18.2°C). In Rochester, the average high-temperature in May rises, from a cool 52.9°F (11.6°C) in April, to a refreshing 64.8°F (18.2°C). Weather in May »Weather in June
June, the first month of the summer in Rochester, is a moderately hot month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 57.7°F (14.3°C). June's arrival signals a temperature shift, moving from a comfortable 64.8°F (18.2°C) in May to a moderately hot 73.9°F (23.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Rochester, Wisconsin, with an average temperature varying between 63°F (17.2°C) and 78.6°F (25.9°C). In Rochester, the average temperatures in July are the highest, with a peak at 78.6°F (25.9°C) and a low of 63°F (17.2°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rochester, Wisconsin, with an average temperature fluctuating between 61.3°F (16.3°C) and 77.5°F (25.3°C). Rochester's average high-temperature marks a still moderately hot 77.5°F (25.3°C) with the advent of August, closely mirroring that of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Rochester, is also an agreeable month, with an average temperature ranging between max 71.1°F (21.7°C) and min 54.7°F (12.6°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Rochester, Wisconsin, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 58.3°F (14.6°C). October brings a decrease in the average high-temperature, shifting from a pleasant 71.1°F (21.7°C) in September to a mild 58.3°F (14.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Rochester, Wisconsin, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 31.8°F (-0.1°C). In November, the average high-temperature decreases considerably from a moderate 58.3°F (14.6°C) in October to a frosty 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Rochester, Wisconsin, with an average temperature ranging between max 32.4°F (0.2°C) and min 22.3°F (-5.4°C). In Rochester, the average high-temperature in December decreases from a chilly 43.7°F (6.5°C) in November to an icy 32.4°F (0.2°C). Weather in December »Updated: Jun 26, 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 Rochester, January is the month with the lowest recorded average temperatures, measuring a high of 25.7°F (-3.5°C) and a low of 14.4°F (-9.8°C).
With an average relative humidity of 86%, January is the most humid month.
In Rochester, during the entire year, the rain falls for 158.7 days and collects up to 29.88" (759mm) of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 14.9 days and typically aggregates up to 5.43" (138mm) of snow.
Throughout the year, there are 56.1 snowfall days, and 20.04" (509mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.7h of sunshine.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
The month with the least rainfall is February, when the rain falls for 5.5 days and typically collects 1.54" (39mm) 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.
April, October and November, with an average relative humidity of 77%, are the least humid months.
The month with the most rainfall is June, when the rain falls for 17.8 days and typically aggregates up to 3.78" (96mm) of precipitation.
June through September are months without snowfall.
With an average of 15h and 18min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
July is the warmest month of the year, registering average temperatures as high as 78.6°F (25.9°C) and as low as 63°F (17.2°C).
With an average of 10.2h of sunshine, August has the most sunshine of the year in Rochester, Wisconsin.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Rochester, WI
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Rochester, WI
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.1"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:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Rochester, WI
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Rochester, WI
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall
Rochester, WI
- Average rainfall in January:
1.57" - Average rainfall in February:
1.54" - Average rainfall in March:
1.89" - Average rainfall in April:
3.5" - Average rainfall in May:
3.19" - Average rainfall in June:
3.78"
- Average rainfall in July:
3.46" - Average rainfall in August:
3.07" - Average rainfall in September:
2.05" - Average rainfall in October:
2.64" - Average rainfall in November:
1.57" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days
Rochester, WI
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Rochester, WI
- Average snowfall in January:
5.43" - Average snowfall in February:
4.61" - Average snowfall in March:
2.28" - Average snowfall in April:
2.28" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rochester, WI
- Average snowfall days in January:
14.9 days - Average snowfall days in February:
12.7 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
2.8 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:
0.6 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
11.9 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rochester, WI
- Average daylight in January:
9h and 30min - 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 48min - 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 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Rochester, WI
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
10.4 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
16 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9 days).
Average UV index
Rochester, WI
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Rochester, WI
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Rochester, WI
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
