Climate and monthly weather forecastGreen Valley, WI

Climate and monthly weather forecast

Weather in January

January, the same as December, in Green Valley, Wisconsin, is another subzero cold winter month, with temperature in the range of an average high of 22.6°F (-5.2°C) and an average low of 12.6°F (-10.8°C). The month of January, characterized by an average high of 22.6°F (-5.2°C) and a low of 12.6°F (-10.8°C), is recognized as the coldest. Weather in January »

Weather in February

February, the last month of the winter in Green Valley, is also a subzero cold month, with an average temperature ranging between max 25.5°F (-3.6°C) and min 14.2°F (-9.9°C). Green Valley experiences a recorded average high-temperature of a still freezing cold 25.5°F (-3.6°C) in February, closely aligned with January's 22.6°F (-5.2°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Green Valley, Wisconsin, with an average temperature varying between 25°F (-3.9°C) and 38.1°F (3.4°C). The start of March brings a rise in the average high-temperature, moving from a subzero cold 25.5°F (-3.6°C) in February to an icy 38.1°F (3.4°C). Weather in March »

Weather in April

April is a frosty spring month in Green Valley, Wisconsin, with an average temperature ranging between min 34.3°F (1.3°C) and max 49.6°F (9.8°C). April signals a shift in the average high-temperature, moving from March's cold 38.1°F (3.4°C) to a frosty 49.6°F (9.8°C). Weather in April »

Weather in May

May, the last month of the spring in Green Valley, is an enjoyable month, with an average temperature fluctuating between 63.9°F (17.7°C) and 44.8°F (7.1°C). Observing a rise in May, the average high-temperature goes from April's frosty 49.6°F (9.8°C) to a refreshing 63.9°F (17.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Green Valley, Wisconsin, with an average temperature fluctuating between 72°F (22.2°C) and 53.4°F (11.9°C). As Green Valley transitions into June, a marginal rise in the average high-temperature is observed, moving from a comfortable 63.9°F (17.7°C) in May to a pleasant 72°F (22.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in Green Valley, Wisconsin, with an average temperature ranging between max 78.4°F (25.8°C) and min 59.7°F (15.4°C). July temperatures tend to peak at an average high of 78.4°F (25.8°C) and dip to a low of 59.7°F (15.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Green Valley, Wisconsin, with an average temperature fluctuating between 77.5°F (25.3°C) and 58.6°F (14.8°C). August's weather displays an average high-temperature of a still warm 77.5°F (25.3°C), slightly varied from July's 78.4°F (25.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Green Valley, Wisconsin, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 69.6°F (20.9°C). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 77.5°F (25.3°C) in August to a pleasant 69.6°F (20.9°C). Weather in September »

Weather in October

October, like September, in Green Valley, Wisconsin, is a cool autumn month, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 41.5°F (5.3°C). Green Valley's transition into October is marked by a distinct drop in the average high-temperature, reducing from an agreeable 69.6°F (20.9°C) in September to a fresh 54.9°F (12.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Green Valley, is another cold month, with an average temperature fluctuating between 41.2°F (5.1°C) and 30.6°F (-0.8°C). With November's onset, the average high-temperature recedes from October's cool 54.9°F (12.7°C) to a cold 41.2°F (5.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Green Valley, Wisconsin, with an average temperature fluctuating between 28.4°F (-2°C) and 19.8°F (-6.8°C). As November transitions into December, Green Valley sees a drop in the average high-temperature, transitioning from an icy 41.2°F (5.1°C) to a subzero cold 28.4°F (-2°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January proves to be the coldest month, recording an average maximum temperature of 22.6°F (-5.2°C) and a minimum temperature of 12.6°F (-10.8°C).

January is the month with the least rainfall in Green Valley. Rain falls for 5.1 days and accumulates 1.14" (29mm) of precipitation.

Throughout the year, in Green Valley, Wisconsin, there are 134.3 rainfall days, and 24.06" (611mm) of precipitation is accumulated.

Months with snowfall in Green Valley, Wisconsin, are January through May, October through December.

In Green Valley, during the entire year, snow falls for 69.2 days and aggregates up to 26.14" (664mm) of snow.

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

With an average relative humidity of 88%, February is the most humid month in Green Valley, Wisconsin.

The month with the most snowfall is February, when snow falls for 14.9 days and typically aggregates up to 6.93" (176mm) of snow.

With an average of 3.5h of sunshine, February has the least sunshine of the year in Green Valley.

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.

The months with the lowest humidity in Green Valley are April and May, with an average relative humidity of 75%.

The month with the most rainfall is May, when the rain falls for 16.3 days and typically aggregates up to 2.95" (75mm) of precipitation.

June through September are months without snowfall.

June has the longest days of the year in Green Valley, Wisconsin, with an average of 15h and 30min of daylight.

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

July is the month when Green Valley, Wisconsin, sees the average highest temperatures, with a high of 78.4°F (25.8°C) and a low of 59.7°F (15.4°C).

The month with the most sunshine in Green Valley is July, with an average of 10.3h of sunshine.

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

Average temperature
Green Valley, 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 (22.6°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure
Green Valley, 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
Green Valley, WI

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity
Green Valley, WI

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

Average rainfall
Green Valley, WI

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days
Green Valley, WI

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (4.5 days).

Average snowfall
Green Valley, WI

The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Green Valley, WI

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Green Valley, 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 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days
Green Valley, WI

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.6 days).

Average UV index
Green Valley, 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 and March (UV index 1).

Average cloud cover
Green Valley, WI

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility
Green Valley, 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).