Climate and monthly weather forecast
Ashton, IL

Weather in January

January, the same as December, in Ashton, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 27°F (-2.8°C) and 14.7°F (-9.6°C). The coldest month is January, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 14.7°F (-9.6°C). Weather in January »

Weather in February

February, the last month of the winter in Ashton, is also a subzero cold month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 18.1°F (-7.7°C). In Ashton, the average high-temperature in February is essentially the same as in January - a still subzero cold 30.9°F (-0.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Ashton, Illinois, with an average temperature ranging between max 44.4°F (6.9°C) and min 30.4°F (-0.9°C). In Ashton, Illinois, the average high-temperature in March increases from a freezing cold 30.9°F (-0.6°C) in February to a chilly 44.4°F (6.9°C). Weather in March »

Weather in April

April is a mild spring month in Ashton, Illinois, with an average temperature ranging between max 56.8°F (13.8°C) and min 40.3°F (4.6°C). In April, the average high-temperature rises from a frosty 44.4°F (6.9°C) in March to a moderate 56.8°F (13.8°C). Weather in April »

Weather in May

May, the last month of the spring in Ashton, is an agreeable month, with an average temperature fluctuating between 68.9°F (20.5°C) and 52°F (11.1°C). In Ashton, the average high-temperature in May rises from a moderate 56.8°F (13.8°C) in April to an agreeable 68.9°F (20.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Ashton, Illinois, with an average temperature fluctuating between 60.4°F (15.8°C) and 77.5°F (25.3°C). In Ashton, the average high-temperature in June slightly increases from a pleasant 68.9°F (20.5°C) in May to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Ashton, Illinois, with an average temperature varying between 63.1°F (17.3°C) and 79.9°F (26.6°C). With an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Ashton, Illinois, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 78.3°F (25.7°C). In Ashton, the average high-temperature in August is almost the same as in July - a still moderately hot 78.3°F (25.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Ashton, is also a moderately hot month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73.4°F (23°C). In September, the average high-temperature is relatively the same as in August - a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Ashton, Illinois, is a moderate autumn month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 44.2°F (6.8°C). In Ashton, the average high-temperature in October drops from a moderately hot 73.4°F (23°C) in September to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Ashton, is also a frosty month, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 32.2°F (0.1°C). In Ashton, the average high-temperature in November declines considerably from a moderate 59.9°F (15.5°C) in October to a chilly 45.3°F (7.4°C). Weather in November »

Weather in December

December, the first month of the winter in Ashton, is also a wintry month, with an average temperature varying between 22.8°F (-5.1°C) and 32.9°F (0.5°C). In December, the average high-temperature decreases from a frosty 45.3°F (7.4°C) in November to a wintry 32.9°F (0.5°C). Weather in December »
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FAQ

What is the coldest month in Ashton?

January is the coldest month in Ashton, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 14.7°F (-9.6°C).

What are the most humid months in Ashton?

The months with the highest humidity in Ashton are January and July, with an average relative humidity of 85%.

How much does it rain in Ashton?

Throughout the year, there are 124.5 rainfall days, and 14.49" (368mm) of precipitation is accumulated.

When does it snow in Ashton?

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

What is the snowiest month in Ashton?

The month with the most snowfall in Ashton is January, when snow falls for 10.3 days and typically aggregates up to 2.2" (56mm) of snow.

How many days does it snow in Ashton?

Throughout the year, there are 37.1 snowfall days, and 6.14" (156mm) of snow is accumulated.

What is the month with the least sunshine in Ashton?

With an average of 3.6h of sunshine, January has the least sunshine of the year in Ashton.

When is the lowest UV index in Ashton?

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

What is the driest month in Ashton?

The month with the least rainfall in Ashton is February, when the rain falls for 3.8 days and typically collects 0.55" (14mm) of precipitation.

When is Daylight Saving Time (DST) in Ashton?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Ashton, 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.

When it does not snow in Ashton?

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

When is the highest UV index in Ashton?

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

What is the rainiest month in Ashton?

June is the month with the most rainfall in Ashton. Rain falls for 16 days and accumulates 2.13" (54mm) of precipitation.

When are the longest days in Ashton?

The month with the longest days in Ashton, Illinois, is June, with an average of 15h and 10min of daylight.

What month has the most sunshine in Ashton?

With an average of 9.5h of sunshine, June has the most sunshine of the year in Ashton.

What is the warmest month in Ashton?

With an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month.

What is the least humid month in Ashton?

With an average relative humidity of 74%, October is the least humid month.

What is the month with the shortest days in Ashton?

With an average of 9h and 11min of daylight, December has the shortest days of the year in Ashton.

Average temperature
Ashton, IL

Average temperature - Ashton, IL

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure
Ashton, IL

Average pressure - Ashton, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Ashton, IL

Average wind speed - Ashton, IL

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
Ashton, IL

Average humidity - Ashton, IL

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Ashton, IL

Average rainfall - Ashton, IL

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days
Ashton, IL

Average rainfall days - Ashton, IL

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall
Ashton, IL

Average snowfall - Ashton, IL

The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Ashton, IL

Average snowfall days - Ashton, IL

The month with the highest number of snowfall days is January (10.3 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
Ashton, IL

Average daylight / Average sunshine - Ashton, IL

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 11min).

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Ashton, IL

Average sunshine days - Ashton, IL

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index
Ashton, IL

Average UV index - Ashton, IL

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 and December (UV index 1).

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Average visibility
Ashton, IL

Average visibility - Ashton, IL

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

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