Climate and monthly weather forecast
Casco, WI

Weather in January

January, like December, is another subzero cold winter month in Casco, Wisconsin, with temperature in the range of an average low of 16.5°F (-8.6°C) and an average high of 25°F (-3.9°C). January is the coldest month, with an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 16.5°F (-8.6°C). Weather in January »

Weather in February

February, the last month of the winter in Casco, is another freezing cold month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 27°F (-2.8°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 27°F (-2.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Casco, Wisconsin, with an average temperature ranging between min 27°F (-2.8°C) and max 37°F (2.8°C). In Casco, the average high-temperature in March increases from a subzero cold 27°F (-2.8°C) in February to a cold 37°F (2.8°C). Weather in March »

Weather in April

April in Casco, Wisconsin, is a chilly spring month, with an average temperature fluctuating between 35.6°F (2°C) and 46.9°F (8.3°C). In Casco, the average high-temperature in April increases from a cold 37°F (2.8°C) in March to a chilly 46.9°F (8.3°C). Weather in April »

Weather in May

May, the last month of the spring in Casco, is a mild month, with an average temperature ranging between min 45.1°F (7.3°C) and max 58.8°F (14.9°C). In Casco, the average high-temperature in May rises from a chilly 46.9°F (8.3°C) in April to a moderate 58.8°F (14.9°C). Weather in May »

Weather in June

June, the first month of the summer in Casco, is a pleasant month, with an average temperature varying between 68.4°F (20.2°C) and 53.8°F (12.1°C). In Casco, Wisconsin, the average high-temperature in June rises from a mild 58.8°F (14.9°C) in May to a pleasant 68.4°F (20.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in Casco, Wisconsin, with an average temperature fluctuating between 61.9°F (16.6°C) and 76.1°F (24.5°C). With an average high-temperature of 76.1°F (24.5°C) and an average low-temperature of 61.9°F (16.6°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Casco, Wisconsin, with an average temperature varying between 61.7°F (16.5°C) and 75.6°F (24.2°C). In Casco, the average high-temperature in August is relatively the same as in July - a still moderately hot 75.6°F (24.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Casco, is also an agreeable month, with an average temperature ranging between max 68°F (20°C) and min 55.6°F (13.1°C). In September, the average high-temperature marginally drops from a warm 75.6°F (24.2°C) in August to a pleasant 68°F (20°C). Weather in September »

Weather in October

October, like September, in Casco, Wisconsin, is a cool autumn month, with an average temperature fluctuating between 44.8°F (7.1°C) and 54.9°F (12.7°C). In October, the average high-temperature drops from an agreeable 68°F (20°C) in September to a fresh 54.9°F (12.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Casco, Wisconsin, with an average temperature fluctuating between 33.3°F (0.7°C) and 42.3°F (5.7°C). In Casco, the average high-temperature in November drops from a cool 54.9°F (12.7°C) in October to a wintry 42.3°F (5.7°C). Weather in November »

Weather in December

December, the first month of the winter in Casco, is still a freezing cold month, with an average temperature varying between 31.1°F (-0.5°C) and 23°F (-5°C). In December, the average high-temperature drops from a wintry 42.3°F (5.7°C) in November to a freezing cold 31.1°F (-0.5°C). Weather in December »
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FAQ

What is the coldest month in Casco?

The coldest month in Casco is January, with an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 16.5°F (-8.6°C).

What is the most humid month in Casco?

January is the most humid month, with an average relative humidity of 85%.

How much does it rain in Casco?

In Casco, during the entire year, the rain falls for 132.6 days and collects up to 25.55" (649mm) of precipitation.

When does it snow in Casco?

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

How much does it snow in Casco?

Throughout the year, there are 59.4 snowfall days, and 18.94" (481mm) of snow is accumulated.

What is the month with the least sunshine in Casco?

The months with the least sunshine are January and February, with an average of 3.2h of sunshine.

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

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

What is the driest month in Casco?

February is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.38" (35mm) of precipitation.

What is the snowiest month in Casco?

February is the month with the most snowfall in Casco. Snow falls for 13.3 days and accumulates 4.76" (121mm) of snow.

When is Daylight Saving Time (DST) in Casco?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Casco?

The months with the lowest humidity in Casco are April and May, with an average relative humidity of 76%.

What is the rainiest month in Casco?

May is the month with the most rainfall in Casco, Wisconsin. Rain falls for 15.3 days and accumulates 2.91" (74mm) of precipitation.

When it does not snow in Casco?

June through September are months without snowfall in Casco, Wisconsin.

When are the longest days in Casco?

The month with the longest days in Casco is June, with an average of 15h and 30min of daylight.

What is the warmest month in Casco?

With an average high-temperature of 76.1°F (24.5°C) and an average low-temperature of 61.9°F (16.6°C), July is the warmest month.

What month has the most sunshine in Casco?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

When is the highest UV index in Casco?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the month with the shortest days in Casco?

The month with the shortest days is December, with an average of 8h and 53min of daylight.

Average pressure
Casco, WI

Average pressure - Casco, WI

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Casco, WI

Average wind speed - Casco, WI

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity
Casco, WI

Average humidity - Casco, WI

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall
Casco, WI

Average rainfall - Casco, WI

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days
Casco, WI

Average rainfall days - Casco, WI

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).

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Average snowfall
Casco, WI

Average snowfall - Casco, WI

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Casco, WI

Average snowfall days - Casco, WI

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Casco, WI

Average daylight / Average sunshine - Casco, WI

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 53min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).

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Average sunshine days
Casco, WI

Average sunshine days - Casco, WI

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).

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Average visibility
Casco, WI

Average visibility - Casco, WI

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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