Climate and monthly weather forecast
Byron, WI

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Weather in January

January, the same as December, in Byron, Wisconsin, is a freezing cold winter month, with an average temperature varying between 22.5°F (-5.3°C) and 10.8°F (-11.8°C). In Byron, the month of January registers the lowest temperatures, averaging 22.5°F (-5.3°C) at the peak and 10.8°F (-11.8°C) at the lowest. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Byron, Wisconsin, with temperature in the range of an average low of 13.3°F (-10.4°C) and an average high of 25.7°F (-3.5°C). The dawn of February sees an average high-temperature of a still subzero cold 25.7°F (-3.5°C), subtly contrasting with January's 22.5°F (-5.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Byron, Wisconsin, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 39°F (3.9°C). As Byron, Wisconsin, transitions into March, the average high-temperature shows a change, moving from a freezing cold 25.7°F (-3.5°C) in February to a cold 39°F (3.9°C). Weather in March »

Weather in April

April is a cool spring month in Byron, Wisconsin, with an average temperature ranging between min 35.8°F (2.1°C) and max 51.1°F (10.6°C). With the onset of April, Byron's average high-temperature sees a rise, moving from March's icy 39°F (3.9°C) to a cool 51.1°F (10.6°C). Weather in April »

Weather in May

May, the last month of the spring in Byron, is a refreshing month, with an average temperature varying between 63.7°F (17.6°C) and 46.8°F (8.2°C). May's arrival is marked by an increase in the average high-temperature, moving from a fresh 51.1°F (10.6°C) in April to a comfortable 63.7°F (17.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Byron, Wisconsin, with an average temperature fluctuating between 72.3°F (22.4°C) and 55.8°F (13.2°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from a refreshing 63.7°F (17.6°C) in May to an agreeable 72.3°F (22.4°C). Weather in June »

Weather in July

July in Byron, Wisconsin, is a moderately hot summer month, with an average temperature fluctuating between 61°F (16.1°C) and 77.4°F (25.2°C). Byron's warmest weather arrives in July, when temperatures average a high of 77.4°F (25.2°C) and a low of 61°F (16.1°C). Weather in July »

Weather in August

August, the last month of the summer in Byron, is another warm month, with temperature in the range of an average low of 59°F (15°C) and an average high of 76.6°F (24.8°C). The initiation of August sees an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing minor variations from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Byron, is also an agreeable month, with an average temperature varying between 52°F (11.1°C) and 69.6°F (20.9°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 76.6°F (24.8°C) to a pleasant 69.6°F (20.9°C). Weather in September »

Weather in October

October, the same as September, in Byron, Wisconsin, is a moderate autumn month, with an average temperature fluctuating between 56.3°F (13.5°C) and 41.9°F (5.5°C). The onset of October brings a small change in high-temperatures, falling from a pleasant 69.6°F (20.9°C) in September to a moderate 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Byron, is also a wintry month, with an average temperature fluctuating between 42.1°F (5.6°C) and 30°F (-1.1°C). The decrease of average high-temperatures is mild in November, with a decline from a moderate 56.3°F (13.5°C) in October to a cold 42.1°F (5.6°C). Weather in November »

Weather in December

December, the first month of the winter in Byron, is also a subzero cold month, with an average temperature ranging between max 29.1°F (-1.6°C) and min 19.4°F (-7°C). Onset of December witnesses a reduction in the average high-temperature, falling from a wintry 42.1°F (5.6°C) in November to a subzero cold 29.1°F (-1.6°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Byron?

The coldest period in Byron, Wisconsin, is January, when temperatures fluctuate between an average high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).

What is the most humid month in Byron?

January is the most humid month, with an average relative humidity of 89%.

What is the driest month in Byron?

The months with the least rainfall in Byron are January and February Rain falls for 3.3 days and accumulates 0.31" (8mm) of rain.

How many days does it rain in Byron?

In Byron, Wisconsin, during the entire year, the rain falls for 90.7 days and collects up to 7.56" (192mm) of precipitation.

When does it snow in Byron?

January through April, October through December are months with snowfall in Byron, Wisconsin.

What is the snowiest month in Byron?

January is the month with the most snowfall in Byron, Wisconsin. Snow falls for 10.5 days and accumulates 1.06" (27mm) of snow.

How much does it snow in Byron?

Throughout the year, there are 42 snowfall days, and 4.25" (108mm) of snow is accumulated.

What is the month with the least sunshine in Byron?

January has the least sunshine of the year, with an average of 3.4h of sunshine.

When is the lowest UV index in Byron?

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

When is Daylight Saving Time (DST) in Byron?

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 in Byron?

April is the least humid month, with an average relative humidity of 76%.

When it does not snow in Byron?

In Byron, Wisconsin, snow does not fall in May through September.

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

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

What is the wettest month in Byron?

The wettest months are June and October, with an average 0.94" (24mm) of rainfall.

When are the longest days in Byron?

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

What is the warmest month in Byron?

July is the month when Byron's temperatures reach their peak, with averages of 77.4°F (25.2°C) and lows of 61°F (16.1°C).

What month has the most sunshine in Byron?

July has the most sunshine of the year, with an average of 10h of sunshine.

What is the month with the shortest days in Byron?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

Average pressure
Byron, WI

Average pressure - Byron, 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).

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Average wind speed
Byron, WI

Average wind speed - Byron, WI

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average rainfall
Byron, WI

Average rainfall - Byron, WI

The wettest months (with the highest rainfall) are June and October (0.94").
The driest months (with the least rainfall) are January and February (0.31").

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Average rainfall days
Byron, WI

Average rainfall days - Byron, WI

The months with the highest number of rainy days are April and July (11 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall
Byron, WI

Average snowfall - Byron, WI

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Byron, WI

Average snowfall days - Byron, WI

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Byron, WI

Average daylight / Average sunshine - Byron, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days
Byron, WI

Average sunshine days - Byron, WI

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (15.6 days).

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Average UV index
Byron, WI

Average UV index - Byron, 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).

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Average visibility
Byron, WI

Average visibility - Byron, WI

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

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Byron, Wisconsin, USA

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