Climate and monthly weather forecast
Janesville, MN

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Weather in January

January, like December, is a freezing cold winter month in Janesville, Minnesota, with temperature in the range of an average low of 7.7°F (-13.5°C) and an average high of 21.2°F (-6°C). January is Janesville's coldest month, registering average high temperatures of 21.2°F (-6°C) and lows of 7.7°F (-13.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Janesville, Minnesota, with an average temperature ranging between min 11.1°F (-11.6°C) and max 25.2°F (-3.8°C). Janesville records an average high-temperature of a still freezing cold 25.2°F (-3.8°C) in February, maintaining a close correlation with January's 21.2°F (-6°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Janesville, Minnesota, with an average temperature varying between 26.2°F (-3.2°C) and 39.9°F (4.4°C). As Janesville transitions into March, the average high-temperature shows a marked escalation, increasing from a freezing cold 25.2°F (-3.8°C) in February to an icy 39.9°F (4.4°C). Weather in March »

Weather in April

April in Janesville, Minnesota, is a fresh spring month, with an average temperature fluctuating between 54.3°F (12.4°C) and 38.5°F (3.6°C). April's onset is marked by a clear temperature increase, soaring from an icy 39.9°F (4.4°C) in March to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Janesville, Minnesota, with temperature in the range of an average high of 66.9°F (19.4°C) and an average low of 50.4°F (10.2°C). With the onset of May, Janesville sees a temperature rise, with the average high-temperature moving from April's fresh 54.3°F (12.4°C) to an enjoyable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer in Janesville, is a warm month, with an average temperature varying between 60.1°F (15.6°C) and 76.5°F (24.7°C). In Janesville, the average high-temperature in June increases from an enjoyable 66.9°F (19.4°C) in May to a warm 76.5°F (24.7°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Janesville, Minnesota, with an average temperature ranging between min 62.4°F (16.9°C) and max 80.1°F (26.7°C). Janesville's July weather reaches an average high of 80.1°F (26.7°C) and an average low of 62.4°F (16.9°C), making it the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Janesville, is another warm month, with an average temperature fluctuating between 59.5°F (15.3°C) and 77.7°F (25.4°C). The transition from July to August sees an average high-temperature of a still moderately hot 77.7°F (25.4°C), indicating a minor variance from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Janesville, Minnesota, with an average temperature ranging between max 72.3°F (22.4°C) and min 52.9°F (11.6°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 77.7°F (25.4°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Janesville, Minnesota, with an average temperature ranging between min 41.7°F (5.4°C) and max 56.3°F (13.5°C). A clear reduction in the average high-temperature marks the arrival of October, falling from a pleasant 72.3°F (22.4°C) in September to a moderate 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Janesville, Minnesota, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 29.3°F (-1.5°C). A clear decrease in the average high-temperature is observed during November, decreasing from a moderate 56.3°F (13.5°C) in October to a cold 41.4°F (5.2°C). Weather in November »

Weather in December

December, the first month of the winter in Janesville, is also a subzero cold month, with an average temperature varying between 15.4°F (-9.2°C) and 26.2°F (-3.2°C). The start of December signals a considerable reduction in the average high-temperature, receding from a cold 41.4°F (5.2°C) in November to a freezing cold 26.2°F (-3.2°C). Weather in December »
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Frequently asked questions

What month is the coldest in Janesville?

January is the coldest month in Janesville, Minnesota, with an average high-temperature of 21.2°F (-6°C) and an average low-temperature of 7.7°F (-13.5°C).

What is the most humid month in Janesville?

The most humid month in Janesville, Minnesota, is January, with an average relative humidity of 91%.

What is the driest month in Janesville?

January is the month with the least rainfall in Janesville. Rain falls for 2.8 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in Janesville?

Throughout the year, in Janesville, Minnesota, there are 124.8 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

When does it snow in Janesville?

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

How much does it snow in Janesville?

In Janesville, during the entire year, snow falls for 56.3 days and aggregates up to 24.29" (617mm) of snow.

What is the month with the least sunshine in Janesville?

January has the least sunshine of the year in Janesville, with an average of 3.2h of sunshine.

What is the month with the lowest UV index in Janesville?

The months with the lowest UV index in Janesville, Minnesota, are January, February, November and December, with an average maximum UV index of 1.

What is the snowiest month in Janesville?

The month with the most snowfall is February, when snow falls for 11.9 days and typically aggregates up to 6.26" (159mm) of snow.

When is Daylight Saving Time (DST) in Janesville?

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 is the wettest month in Janesville?

June is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.9" (99mm) of precipitation.

When it does not snow in Janesville?

In Janesville, snow does not fall in June through September.

When are the longest days in Janesville?

The month with the longest days in Janesville is June, with an average of 15h and 24min of daylight.

What is the month with the highest UV index in Janesville?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Janesville.

What time of the year is the hottest in Janesville?

In Janesville, Minnesota, temperatures reach their average annual highs in July, measuring 80.1°F (26.7°C) and a minimum average of 62.4°F (16.9°C).

What month has the most sunshine in Janesville?

With an average of 10h of sunshine, July has the most sunshine of the year.

What is the least humid month in Janesville?

The least humid month is October, with an average relative humidity of 70%.

What is the month with the shortest days in Janesville?

The month with the shortest days in Janesville, Minnesota, is December, with an average of 8h and 54min of daylight.

Average temperature
Janesville, MN

Average temperature - Janesville, MN

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (21.2°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

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Average pressure
Janesville, MN

Average pressure - Janesville, MN

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Janesville, MN

Average wind speed - Janesville, MN

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average rainfall
Janesville, MN

Average rainfall - Janesville, MN

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days
Janesville, MN

Average rainfall days - Janesville, MN

The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (1.7 days).

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Average snowfall
Janesville, MN

Average snowfall - Janesville, MN

The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Janesville, MN

Average snowfall days - Janesville, MN

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).

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Average daylight / Average sunshine
Janesville, MN

Average daylight / Average sunshine - Janesville, MN

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days
Janesville, MN

Average sunshine days - Janesville, MN

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index
Janesville, MN

Average UV index - Janesville, MN

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average visibility
Janesville, MN

Average visibility - Janesville, MN

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Janesville, Minnesota, USA

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