Climate and monthly weather forecast
Rochester, WI

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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

Frequently asked questions

What is the coldest time of year?

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).

What is the most humid month?

With an average relative humidity of 86%, January is the most humid month.

How much does it rain?

In Rochester, during the entire year, the rain falls for 158.7 days and collects up to 29.88" (759mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

When does it snow the most?

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.

How many days does it snow?

Throughout the year, there are 56.1 snowfall days, and 20.04" (509mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 5.5 days and typically collects 1.54" (39mm) of precipitation.

When is Daylight Saving Time (DST)?

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.

What are the least humid months?

April, October and November, with an average relative humidity of 77%, are the least humid months.

What is the wettest month?

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.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What time of the year is the hottest?

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).

What month has the most sunshine?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Rochester, Wisconsin.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
Rochester, WI

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 - Rochester, WI

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 - Rochester, WI

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

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 - Rochester, WI

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 - Rochester, WI

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 - Rochester, WI

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 - Rochester, WI

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 / Average sunshine - Rochester, WI

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).

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 - Rochester, WI

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

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 visibility
Rochester, WI

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).

Rochester, Wisconsin, USA

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