Climate and monthly weather forecast
Merton, WI

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Weather in January

January, the same as December, in Merton, Wisconsin, is a freezing cold winter month, with an average temperature varying between 25.2°F (-3.8°C) and 13.6°F (-10.2°C). In Merton, January is the coldest month, with temperatures averaging a high of 25.2°F (-3.8°C) and a low of 13.6°F (-10.2°C). Weather in January »

Weather in February

February, the last month of the winter in Merton, is another freezing cold month, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 16.5°F (-8.6°C). The commencement of February introduces an average high-temperature of a still subzero cold 28.2°F (-2.1°C), closely mirroring the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Merton, Wisconsin, with an average temperature fluctuating between 40.6°F (4.8°C) and 27.9°F (-2.3°C). March brings an increase in the average high-temperature, progressing from a freezing cold 28.2°F (-2.1°C) in February to a wintry 40.6°F (4.8°C). Weather in March »

Weather in April

April in Merton, Wisconsin, is a fresh spring month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 51.4°F (10.8°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from an icy 40.6°F (4.8°C) in March to a cool 51.4°F (10.8°C). Weather in April »

Weather in May

May, the last month of the spring in Merton, is a refreshing month, with an average temperature fluctuating between 63.5°F (17.5°C) and 47.3°F (8.5°C). May's arrival signals an increase in average high-temperatures, moving from April's cool 51.4°F (10.8°C) to a comfortable 63.5°F (17.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Merton, Wisconsin, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 72.5°F (22.5°C). Merton's weather in June shows a rise in the average high-temperature, moving up from May's enjoyable 63.5°F (17.5°C) to a pleasant 72.5°F (22.5°C). Weather in June »

Weather in July

July in Merton, Wisconsin, is a warm summer month, with an average temperature varying between 78.1°F (25.6°C) and 62.4°F (16.9°C). The month of July sees the highest average temperatures, reaching 78.1°F (25.6°C) at the peak and 62.4°F (16.9°C) at the low. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Merton, Wisconsin, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 61.2°F (16.2°C). The arrival of August sees a recorded average high-temperature of a still moderately hot 76.6°F (24.8°C), showing little divergence from the previous month's conditions. Weather in August »

Weather in September

September, the first month of the autumn in Merton, is still a pleasant month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 70.5°F (21.4°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 76.6°F (24.8°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Merton, Wisconsin, with an average temperature varying between 57.2°F (14°C) and 43.3°F (6.3°C). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 70.5°F (21.4°C) to a refreshing 57.2°F (14°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Merton, Wisconsin, with an average temperature ranging between max 43.3°F (6.3°C) and min 31.1°F (-0.5°C). November weather is marked by a drop in the average high-temperature, falling from a mild 57.2°F (14°C) in October to a chilly 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter in Merton, is still a freezing cold month, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21.7°F (-5.7°C). With December's arrival, Merton's weather changes as the average high-temperature falls from a frosty 43.3°F (6.3°C) in November to a subzero cold 31.3°F (-0.4°C). Weather in December »
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Frequently asked questions

What month is the coldest in Merton?

Merton notes the coldest temperatures in January, with a average high of 25.2°F (-3.8°C) and a low of 13.6°F (-10.2°C).

What is the most humid month in Merton?

The most humid month is January, with an average relative humidity of 87%.

How many days does it rain in Merton?

In Merton, Wisconsin, during the entire year, the rain falls for 149.2 days and collects up to 28.54" (725mm) of precipitation.

When does it snow in Merton?

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

What is the snowiest month in Merton?

The month with the most snowfall in Merton, Wisconsin, is January, when snow falls for 15.4 days and typically aggregates up to 5.43" (138mm) of snow.

How much does it snow in Merton?

Throughout the year, there are 58.7 snowfall days, and 20.47" (520mm) of snow is accumulated.

What is the month with the least sunshine in Merton?

The month with the least sunshine in Merton is January, with an average of 3.5h of sunshine.

When is the lowest UV index in Merton?

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

What is the driest month in Merton?

The month with the least rainfall in Merton, Wisconsin, is February, when the rain falls for 5.3 days and typically collects 1.46" (37mm) of precipitation.

When is Daylight Saving Time (DST) in Merton?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Merton, Wisconsin, 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 in Merton?

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

What is the wettest month in Merton?

The month with the most rainfall in Merton is June, when the rain falls for 16.9 days and typically aggregates up to 3.43" (87mm) of precipitation.

When it does not snow in Merton?

June through September are months without snowfall in Merton.

When are the longest days in Merton?

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

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

With an average maximum UV index of 6, June is the month with the highest UV index.

What are the warmest months in Merton?

Merton's warmest month, July, generally records average temperatures ranging from a high of 78.1°F (25.6°C) to a low of 62.4°F (16.9°C).

What month has the most sunshine in Merton?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the month with the shortest days in Merton?

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

Average temperature
Merton, WI

Average temperature - Merton, WI

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°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 (13.6°F).

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Average pressure
Merton, WI

Average pressure - Merton, WI

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Merton, WI

Average wind speed - Merton, WI

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity
Merton, WI

Average humidity - Merton, WI

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall
Merton, WI

Average rainfall - Merton, WI

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days
Merton, WI

Average rainfall days - Merton, WI

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall
Merton, WI

Average snowfall - Merton, WI

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Merton, WI

Average snowfall days - Merton, WI

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Merton, WI

Average daylight / Average sunshine - Merton, 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 30min).

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Average sunshine days
Merton, WI

Average sunshine days - Merton, WI

The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).

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Average visibility
Merton, WI

Average visibility - Merton, 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).

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Merton, Wisconsin, USA

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