Climate and monthly weather forecast
French Island, WI

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Weather in January

January, the same as December, in French Island, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 8.2°F (-13.2°C) and an average high of 21.6°F (-5.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 21.6°F (-5.8°C) and a low of 8.2°F (-13.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in French Island, Wisconsin, with an average temperature varying between 25.3°F (-3.7°C) and 11.7°F (-11.3°C). February's advent presents an average high-temperature of a still subzero cold 25.3°F (-3.7°C), indicating a slight variation from the conditions of the previous month. Weather in February »

Weather in March

March, the first month of the spring in French Island, is a wintry month, with an average temperature varying between 40.1°F (4.5°C) and 25.9°F (-3.4°C). In French Island, the average high-temperature in March significantly increases from a freezing cold 25.3°F (-3.7°C) in February to an icy 40.1°F (4.5°C). Weather in March »

Weather in April

April in French Island, Wisconsin, is a cool spring month, with an average temperature ranging between max 53.2°F (11.8°C) and min 36°F (2.2°C). The commencement of April sees a shift in the average high-temperature, moving from an icy 40.1°F (4.5°C) in March to a cool 53.2°F (11.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in French Island, Wisconsin, with an average temperature ranging between min 47.7°F (8.7°C) and max 65.3°F (18.5°C). In French Island, the average high-temperature in May increases from a cool 53.2°F (11.8°C) in April to a comfortable 65.3°F (18.5°C). Weather in May »

Weather in June

June, the first month of the summer in French Island, is a warm month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 74.7°F (23.7°C). June's arrival signals an increase in average high-temperatures, moving from May's comfortable 65.3°F (18.5°C) to a moderately hot 74.7°F (23.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in French Island, Wisconsin, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 79.3°F (26.3°C). In French Island, Wisconsin, July is the month with the highest recorded average temperatures, measuring a high of 79.3°F (26.3°C) and a low of 61°F (16.1°C). Weather in July »

Weather in August

August, the last month of the summer in French Island, is another warm month, with an average temperature ranging between min 58.3°F (14.6°C) and max 77.9°F (25.5°C). French Island's transition from July to August introduces an average high-temperature of a still moderately hot 77.9°F (25.5°C), marking an insignificant variation from the 79.3°F (26.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in French Island, Wisconsin, with an average temperature ranging between max 71.1°F (21.7°C) and min 51.1°F (10.6°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 77.9°F (25.5°C) in August to an agreeable 71.1°F (21.7°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in French Island, Wisconsin, with an average temperature varying between 56.3°F (13.5°C) and 40.5°F (4.7°C). The start of October brings a distinct shift in the average high-temperature, dropping from September's agreeable 71.1°F (21.7°C) to a refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn in French Island, is also an icy month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 41.9°F (5.5°C). November's arrival is marked by a notable drop in high-temperatures, falling from a refreshing 56.3°F (13.5°C) in October to an icy 41.9°F (5.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in French Island, Wisconsin, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 27.5°F (-2.5°C). The shift from November to December sees a distinct decrease in the average high-temperature, dropping from an icy 41.9°F (5.5°C) to a freezing cold 27.5°F (-2.5°C). Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

French Island's coldest month, January, registers temperatures that range from a high of 21.6°F (-5.8°C) to a low of 8.2°F (-13.2°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 90%.

What is the driest month in French Island?

January is the month with the least rainfall. Rain falls for 3.4 days and accumulates 0.91" (23mm) of precipitation.

How much does it rain in French Island?

In French Island, during the entire year, the rain falls for 129.3 days and collects up to 26.42" (671mm) of precipitation.

When does it snow?

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

How much does it snow?

In French Island, during the entire year, snow falls for 48.3 days and aggregates up to 20.2" (513mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

When is the lowest UV index?

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

When does it snow the most?

February is the month with the most snowfall. Snow falls for 11 days and accumulates 4.8" (122mm) of snow.

When is Daylight Saving Time (DST) in French Island?

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.

When is the highest UV index?

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

What is the wettest month?

The month with the most rainfall is June, when the rain falls for 16.8 days and typically aggregates up to 4.61" (117mm) of precipitation.

When it does not snow?

In French Island, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What is the hottest time of year?

The average temperatures reach their apex in July, averaging 79.3°F (26.3°C) at the high end and 61°F (16.1°C) at the low end.

What is the month with the most sunshine?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine.

What is the least humid month?

With an average relative humidity of 76%, October is the least humid month in French Island.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year in French Island.

Average temperature
French Island, WI

Average temperature - French Island, WI

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure
French Island, WI

Average pressure - French Island, WI

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
French Island, WI

Average wind speed - French Island, WI

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
French Island, WI

Average humidity - French Island, WI

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).

Average rainfall
French Island, WI

Average rainfall - French Island, WI

The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days
French Island, WI

Average rainfall days - French Island, WI

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (3.2 days).

Average snowfall
French Island, WI

Average snowfall - French Island, WI

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
French Island, WI

Average snowfall days - French Island, WI

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
French Island, WI

Average daylight / Average sunshine - French Island, WI

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days
French Island, WI

Average sunshine days - French Island, WI

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.5 days).

Average UV index
French Island, WI

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

Average visibility
French Island, WI

Average visibility - French Island, WI

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

French Island, Wisconsin, USA

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