Climate and monthly weather forecast
Mazon, IL

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Weather in January

January, like December, is another subzero cold winter month in Mazon, Illinois, with an average temperature fluctuating between 18°F (-7.8°C) and 29.8°F (-1.2°C). With its high average temperature of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), January is regarded as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Mazon, is a cold month, with an average temperature fluctuating between 33.6°F (0.9°C) and 20.8°F (-6.2°C). February's average high-temperature is a wintry 33.6°F (0.9°C), maintaining a close comparison with January's 29.8°F (-1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Mazon, Illinois, with an average temperature ranging between min 32.9°F (0.5°C) and max 47.5°F (8.6°C). Mazon experiences a temperature shift with the start of March, with average high-temperatures moving from an icy 33.6°F (0.9°C) in February to a chilly 47.5°F (8.6°C). Weather in March »

Weather in April

April is a mild spring month in Mazon, Illinois, with an average temperature varying between 58.8°F (14.9°C) and 42.6°F (5.9°C). In Mazon, the onset of April comes with an increased average high-temperature, moving from March's frosty 47.5°F (8.6°C) to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

May, the last month of the spring in Mazon, is a pleasant month, with an average temperature varying between 70.9°F (21.6°C) and 54.1°F (12.3°C). Mazon sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 58.8°F (14.9°C) in April to a pleasant 70.9°F (21.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Mazon, Illinois, with an average temperature varying between 79.3°F (26.3°C) and 62.2°F (16.8°C). Mazon observes a slight ascent in average high-temperatures during June, adjusting from an agreeable 70.9°F (21.6°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Mazon, Illinois, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.4°F (18°C). July is Mazon's warmest month, registering average high temperatures of 81.1°F (27.3°C) and lows of 64.4°F (18°C). For most parts of July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Mazon, Illinois, with an average temperature fluctuating between 79.7°F (26.5°C) and 62.2°F (16.8°C). In August, the average high-temperature registers at a still warm 79.7°F (26.5°C), nearly identical to July's 81.1°F (27.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Mazon, is also a moderately hot month, with an average temperature ranging between min 56.8°F (13.8°C) and max 74.8°F (23.8°C). With the advent of September, Mazon experiences an average high-temperature of a still moderately hot 74.8°F (23.8°C), mirroring a close resemblance to the previous month. Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Mazon, Illinois, with an average temperature ranging between min 46.2°F (7.9°C) and max 62.1°F (16.7°C). The start of October signals a decrease in the average high-temperature, transitioning from a warm 74.8°F (23.8°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Mazon, Illinois, with an average temperature varying between 34.2°F (1.2°C) and 47.3°F (8.5°C). The drop of average high-temperatures is noticeable in November, with a decrease from an enjoyable 62.1°F (16.7°C) in October to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Mazon, Illinois, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 25.7°F (-3.5°C). As December begins, there is a decrease in the average high-temperature, falling from a frosty 47.3°F (8.5°C) in November to a wintry 35.6°F (2°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Mazon?

Mazon, Illinois, experiences its lowest temperatures in January, with an average peak of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C).

How much does it rain in Mazon?

Throughout the year, in Mazon, Illinois, there are 140.4 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

When does it snow in Mazon?

January through April, October through December are months with snowfall in Mazon, Illinois.

How much does it snow in Mazon?

Throughout the year, in Mazon, there are 38.1 snowfall days, and 9.13" (232mm) of snow is accumulated.

What is the month with the least sunshine in Mazon?

January has the least sunshine of the year in Mazon, Illinois, with an average of 3.9h of sunshine.

What are the months with the lowest UV index in Mazon?

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

What is the driest month in Mazon?

The month with the least rainfall is February, when the rain falls for 5.1 days and typically collects 0.98" (25mm) of precipitation.

When does it snow the most in Mazon?

February is the month with the most snowfall in Mazon, Illinois. Snow falls for 8.9 days and accumulates 2.52" (64mm) of snow.

When is Daylight Saving Time (DST) in Mazon?

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

The month with the most rainfall is May, when the rain falls for 17.1 days and typically aggregates up to 2.91" (74mm) of precipitation.

When it does not snow in Mazon?

May through September are months without snowfall in Mazon, Illinois.

When are the longest days in Mazon?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What month has the most sunshine in Mazon?

The month with the most sunshine in Mazon, Illinois, is June, with an average of 9.9h of sunshine.

What are the months with the highest UV index in Mazon?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Mazon, Illinois.

What is the hottest time of year in Mazon?

July, characterized by an average high temperature of 81.1°F (27.3°C) and a low temperature of 64.4°F (18°C), is generally the warmest month.

What is the most humid month in Mazon?

July is the most humid month, with an average relative humidity of 84%.

What is the least humid month in Mazon?

With an average relative humidity of 72%, October is the least humid month in Mazon.

What is the month with the shortest days in Mazon?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Mazon.

Average temperature
Mazon, IL

Average temperature - Mazon, IL

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure
Mazon, IL

Average pressure - Mazon, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Mazon, IL

Average wind speed - Mazon, IL

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average rainfall
Mazon, IL

Average rainfall - Mazon, IL

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

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Average rainfall days
Mazon, IL

Average rainfall days - Mazon, IL

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall
Mazon, IL

Average snowfall - Mazon, IL

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mazon, IL

Average snowfall days - Mazon, IL

The month with the highest number of snowfall days is January (11.5 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
Mazon, IL

Average daylight / Average sunshine - Mazon, IL

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Mazon, IL

Average sunshine days - Mazon, IL

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

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Average visibility
Mazon, IL

Average visibility - Mazon, IL

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

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Mazon, Illinois, USA

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