Climate and monthly weather forecast
Greenville, WI

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Weather in January

January, the same as December, in Greenville, Wisconsin, is a freezing cold winter month, with an average temperature fluctuating between 10.8°F (-11.8°C) and 21.9°F (-5.6°C). The month of January, characterized by an average high of 21.9°F (-5.6°C) and a low of 10.8°F (-11.8°C), is recognized as the coldest. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Greenville, Wisconsin, with an average temperature ranging between min 13.1°F (-10.5°C) and max 25.2°F (-3.8°C). As February takes hold, the average high-temperature is a still subzero cold 25.2°F (-3.8°C), nearly mirroring that of the previous month. Weather in February »

Weather in March

March, the first month of the spring in Greenville, is an icy month, with an average temperature varying between 38.5°F (3.6°C) and 25.2°F (-3.8°C). The shift into March is accompanied by a temperature increase, with the average high-temperature rising from a subzero cold 25.2°F (-3.8°C) in February to an icy 38.5°F (3.6°C). Weather in March »

Weather in April

April is a fresh spring month in Greenville, Wisconsin, with an average temperature fluctuating between 50.7°F (10.4°C) and 35.4°F (1.9°C). A rise in the average high-temperature is observed during April, moving from an icy 38.5°F (3.6°C) in March to a fresh 50.7°F (10.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Greenville, Wisconsin, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 64°F (17.8°C). With the onset of May, Greenville's average high-temperature sees a rise, moving from April's fresh 50.7°F (10.4°C) to an enjoyable 64°F (17.8°C). Weather in May »

Weather in June

June, the first month of the summer in Greenville, is an agreeable month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 72.9°F (22.7°C). Entering June, Greenville notices a subtle temperature elevation, with the average high-temperature advancing from May's enjoyable 64°F (17.8°C) to a pleasant 72.9°F (22.7°C). Weather in June »

Weather in July

July in Greenville, Wisconsin, is a warm summer month, with an average temperature ranging between max 78.4°F (25.8°C) and min 61.2°F (16.2°C). July stands out as Greenville's warmest month, with an average high-temperature of 78.4°F (25.8°C) and a low-temperature of 61.2°F (16.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Greenville, Wisconsin, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 77.4°F (25.2°C). Greenville's August reports an average high-temperature of a still moderately hot 77.4°F (25.2°C), exhibiting a minor difference from July. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Greenville, Wisconsin, with an average temperature fluctuating between 52°F (11.1°C) and 70.2°F (21.2°C). With the onset of September, the average high-temperature subtly recedes from August's warm 77.4°F (25.2°C) to a pleasant 70.2°F (21.2°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Greenville, Wisconsin, with an average temperature fluctuating between 41.7°F (5.4°C) and 55.8°F (13.2°C). October signals a significant shift in the average high-temperature, falling from September's agreeable 70.2°F (21.2°C) to a refreshing 55.8°F (13.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Greenville, is also an icy month, with an average temperature varying between 30°F (-1.1°C) and 41.5°F (5.3°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a mild 55.8°F (13.2°C) to an icy 41.5°F (5.3°C). Weather in November »

Weather in December

December, the first month of the winter in Greenville, is still a freezing cold month, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 18.5°F (-7.5°C). The shift to December brings a decrease in the average high-temperature, falling from a wintry 41.5°F (5.3°C) in November to a freezing cold 28.2°F (-2.1°C). Weather in December »
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Greenville, the average lowest temperatures are observed in January, with a high of 21.9°F (-5.6°C) and a low of 10.8°F (-11.8°C).

What are the most humid months in Greenville?

January and February, with an average relative humidity of 88%, are most humid months.

How much does it rain in Greenville?

Throughout the year, in Greenville, there are 131.1 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

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 in Greenville is January, when snow falls for 14.2 days and typically aggregates up to 5.79" (147mm) of snow.

How much does it snow in Greenville?

Throughout the year, there are 56.9 snowfall days, and 21.97" (558mm) of snow is accumulated.

What is the month with the least sunshine in Greenville?

The month with the least sunshine is January, with an average of 3.4h of sunshine.

What is the month with the lowest UV index?

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

What is the driest month?

February is the month with the least rainfall. Rain falls for 4 days and accumulates 1.06" (27mm) of precipitation.

When is Daylight Saving Time (DST)?

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

The least humid month is April, with an average relative humidity of 75%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.54" (90mm) of precipitation.

What are the months with the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 30min of daylight, June has the longest days of the year.

What month is the hottest?

Greenville witnesses the warmest weather in July, with temperatures averaging a high of 78.4°F (25.8°C) and a low of 61.2°F (16.2°C).

What month has the most sunshine?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Greenville, WI

Average temperature - Greenville, WI

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.9°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure
Greenville, WI

Average pressure - Greenville, WI

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Greenville, WI

Average wind speed - Greenville, WI

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity
Greenville, WI

Average humidity - Greenville, WI

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).

Average rainfall
Greenville, WI

Average rainfall - Greenville, WI

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days
Greenville, WI

Average rainfall days - Greenville, WI

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).

Average snowfall
Greenville, WI

Average snowfall - Greenville, WI

The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Greenville, WI

Average snowfall days - Greenville, WI

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Greenville, WI

Average daylight / Average sunshine - Greenville, 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 54min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days
Greenville, WI

Average sunshine days - Greenville, WI

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).

Average UV index
Greenville, WI

Average UV index - Greenville, WI

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average visibility
Greenville, WI

Average visibility - Greenville, WI

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

Greenville, Wisconsin, USA

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