Climate and monthly weather forecast
Argonne, WI

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Weather in January

January, like December, is a freezing cold winter month in Argonne, Wisconsin, with an average temperature fluctuating between 19.8°F (-6.8°C) and 8.4°F (-13.1°C). January is the coldest month of the year, registering average temperatures as high as 19.8°F (-6.8°C) and as low as 8.4°F (-13.1°C). Weather in January »

Weather in February

February, the last month of the winter in Argonne, is another freezing cold month, with an average temperature varying between 10.2°F (-12.1°C) and 22.6°F (-5.2°C). During February, the average high-temperature is a still subzero cold 22.6°F (-5.2°C), maintaining a close resemblance to that of the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Argonne, Wisconsin, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 21.2°F (-6°C). March witnesses an increase in the average high-temperature, moving from a freezing cold 22.6°F (-5.2°C) in February to a cold 35.1°F (1.7°C). Weather in March »

Weather in April

April in Argonne, Wisconsin, is a frosty spring month, with an average temperature fluctuating between 46.9°F (8.3°C) and 31.1°F (-0.5°C). Argonne's weather in April presents a rise in the average high-temperature, moving from a cold 35.1°F (1.7°C) in March to a frosty 46.9°F (8.3°C). Weather in April »

Weather in May

May, the last month of the spring in Argonne, is a comfortable month, with an average temperature varying between 63.1°F (17.3°C) and 42.8°F (6°C). May's arrival is marked by a significant increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in April to a refreshing 63.1°F (17.3°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Argonne, Wisconsin, with an average temperature fluctuating between 72°F (22.2°C) and 51.3°F (10.7°C). June signals a minor shift in the average high-temperature, moving from May's enjoyable 63.1°F (17.3°C) to an agreeable 72°F (22.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in Argonne, Wisconsin, with an average temperature varying between 77.4°F (25.2°C) and 56.5°F (13.6°C). In Argonne, the highest average temperatures are observed in July, with a high of 77.4°F (25.2°C) and a low of 56.5°F (13.6°C). Weather in July »

Weather in August

August, the last month of the summer in Argonne, is another warm month, with an average temperature varying between 55°F (12.8°C) and 75.2°F (24°C). The advent of August presents an average high-temperature of a still moderately hot 75.2°F (24°C), maintaining a close correlation with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Argonne, Wisconsin, with an average temperature ranging between min 48°F (8.9°C) and max 67.1°F (19.5°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 75.2°F (24°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Argonne, Wisconsin, with an average temperature varying between 38.3°F (3.5°C) and 51.1°F (10.6°C). A decrease in the average high-temperature marks October, falling from September's enjoyable 67.1°F (19.5°C) to a fresh 51.1°F (10.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Argonne, Wisconsin, with an average temperature ranging between min 27°F (-2.8°C) and max 36.5°F (2.5°C). Argonne experiences a noticeable temperature shift with the start of November, with average high-temperatures moving from a fresh 51.1°F (10.6°C) in October to an icy 36.5°F (2.5°C). Weather in November »

Weather in December

December, the first month of the winter in Argonne, is also a subzero cold month, with temperature in the range of an average low of 16°F (-8.9°C) and an average high of 24.6°F (-4.1°C). The transition into December indicates a reduction in the average high-temperature, down to a freezing cold 24.6°F (-4.1°C) from November's cold 36.5°F (2.5°C). Weather in December »

Frequently asked questions

What are the coldest months?

January, with average temperatures reaching a high of 19.8°F (-6.8°C) and a low of 8.4°F (-13.1°C), is the coldest month.

What are the most humid months?

January and February, with an average relative humidity of 91%, are most humid months.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 2.9 days and typically collects 1.02" (26mm) of precipitation.

How many days does it rain?

In Argonne, during the entire year, the rain falls for 120.4 days and collects up to 22.99" (584mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Argonne, during the entire year, snow falls for 96.4 days and aggregates up to 43.19" (1097mm) of snow.

What is the month with the least sunshine?

With an average of 2.2h of sunshine, January has the least sunshine of the year.

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

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 17.3 days and typically aggregates up to 7.8" (198mm) of snow.

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 is the least humid month?

The least humid month is May, with an average relative humidity of 72%.

What is the wettest month in Argonne?

The month with the most rainfall is June, when the rain falls for 14.6 days and typically aggregates up to 2.83" (72mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 36min of daylight.

What is the month with the highest UV index?

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

What are the warmest months?

During the warmest month in Argonne, July, temperatures average a high of 77.4°F (25.2°C) and a low of 56.5°F (13.6°C).

What month has the most sunshine?

With an average of 9.6h of sunshine, July has the most sunshine of the year.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

Average temperature
Argonne, WI

Average temperature - Argonne, WI

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (19.8°F).

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure
Argonne, WI

Average pressure - Argonne, 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).

Average wind speed
Argonne, WI

Average wind speed - Argonne, WI

The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity
Argonne, WI

Average humidity - Argonne, WI

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).

Average rainfall
Argonne, WI

Average rainfall - Argonne, WI

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days
Argonne, WI

Average rainfall days - Argonne, WI

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.4 days).

Average snowfall
Argonne, WI

Average snowfall - Argonne, WI

The month with the highest snowfall is February (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Argonne, WI

Average snowfall days - Argonne, WI

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Argonne, WI

Average daylight / Average sunshine - Argonne, WI

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

Average sunshine days
Argonne, WI

Average sunshine days - Argonne, WI

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10.8 days).

Average UV index
Argonne, WI

Average UV index - Argonne, 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, February, November and December (UV index 1).

Average visibility
Argonne, WI

Average visibility - Argonne, WI

The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).

Argonne, Wisconsin, USA

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