Climate and monthly weather forecast
Mazon, IL

Weather in January

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

Weather in February

The last month of the winter, February, is a wintry month in Mazon, Illinois, with an average temperature fluctuating between 20.8°F (-6.2°C) and 33.6°F (0.9°C). In February, the average high-temperature is almost the same as in January - a cold 33.6°F (0.9°C). Weather in February »

Weather in March

March, the first month of the spring in Mazon, is a frosty month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 47.5°F (8.6°C). In Mazon, the average high-temperature in March rises from a wintry 33.6°F (0.9°C) in February to a chilly 47.5°F (8.6°C). Weather in March »

Weather in April

April in Mazon, Illinois, is a mild spring month, with an average temperature ranging between max 58.8°F (14.9°C) and min 42.6°F (5.9°C). In Mazon, the average high-temperature in April rises from a frosty 47.5°F (8.6°C) in March to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Mazon, Illinois, with an average temperature varying between 70.9°F (21.6°C) and 54.1°F (12.3°C). In May, the average high-temperature increases from a moderate 58.8°F (14.9°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »

Weather in June

June, the first month of the summer in Mazon, is a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.3°F (26.3°C). In June, the average high-temperature marginally rises 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 another warm summer month in Mazon, Illinois, with an average temperature fluctuating between 64.4°F (18°C) and 81.1°F (27.3°C). The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.4°F (18°C). The average heat index in July is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mazon, Illinois, with an average temperature ranging between min 62.2°F (16.8°C) and max 79.7°F (26.5°C). In August, the average high-temperature is essentially the same as in July - a still warm 79.7°F (26.5°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 fluctuating between 56.8°F (13.8°C) and 74.8°F (23.8°C). In September, the average high-temperature is practically the same as in August - a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, like September, in Mazon, Illinois, is another comfortable autumn month, with an average temperature varying between 62.1°F (16.7°C) and 46.2°F (7.9°C). In Mazon, the average high-temperature in October drops 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

November, the last month of the autumn in Mazon, is another chilly month, with an average temperature ranging between max 47.3°F (8.5°C) and min 34.2°F (1.2°C). In Mazon, the average high-temperature in November declines considerably 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

December, the first month of the winter in Mazon, is also a wintry month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 35.6°F (2°C). In Mazon, the average high-temperature in December drops 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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FAQ

What is the coldest month in Mazon?

The coldest month in Mazon is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18°F (-7.8°C).

How many days does it rain in Mazon?

Throughout the year, in Mazon, 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.

How much does it snow in Mazon?

In Mazon, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

What is the month with the least sunshine in Mazon?

The month with the least sunshine in Mazon is January, 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 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.

What is the snowiest month in Mazon?

The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 2.52" (64mm) of snow.

When is Daylight Saving Time (DST) in Mazon?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Mazon, Illinois, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Mazon?

May is the month with the most rainfall in Mazon, Illinois. Rain falls for 17.1 days and accumulates 2.91" (74mm) of precipitation.

When it does not snow in Mazon?

In Mazon, snow does not fall in May through September.

When are the longest days in Mazon?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What month has the most sunshine in Mazon?

With an average of 9.9h of sunshine, June has the most sunshine of the year in Mazon, Illinois.

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

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

What is the warmest month in Mazon?

With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month in Mazon.

What is the most humid month in Mazon?

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

What is the least humid month in Mazon?

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

What is the month with the shortest days in Mazon?

December has the shortest days of the year, with an average of 9h and 16min of daylight.

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 16min).

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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