Climate and monthly weather forecast
Downs, IL

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Weather in January

January, the same as December, in Downs, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 19.6°F (-6.9°C) and an average high of 31.3°F (-0.4°C). Downs's January weather reaches an average high of 31.3°F (-0.4°C) and an average low of 19.6°F (-6.9°C), making it the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Downs, is a cold month, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 23°F (-5°C). Downs transitions into February recording an average high-temperature of a wintry 35.8°F (2.1°C), closely aligning with the preceding month's temperature. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Downs, Illinois, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.1°F (9.5°C). Downs sees an increase in the average high-temperature with the arrival of March, moving from February's icy 35.8°F (2.1°C) to a chilly 49.1°F (9.5°C). Weather in March »

Weather in April

April in Downs, Illinois, is a comfortable spring month, with an average temperature ranging between max 61.2°F (16.2°C) and min 44.8°F (7.1°C). April sees a temperature increase, moving from a frosty 49.1°F (9.5°C) in March to a refreshing 61.2°F (16.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Downs, Illinois, with an average temperature fluctuating between 55.6°F (13.1°C) and 72°F (22.2°C). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in April to an agreeable 72°F (22.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Downs, Illinois, with an average temperature ranging between max 79.7°F (26.5°C) and min 63.5°F (17.5°C). Downs's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 72°F (22.2°C) in May to a warm 79.7°F (26.5°C). Weather in June »

Weather in July

July, like June, in Downs, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 80.8°F (27.1°C). In Downs, the average temperatures in July are the highest, with a peak at 80.8°F (27.1°C) and a low of 64.9°F (18.3°C). The average heat index in July is calculated to be a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Downs, Illinois, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). Downs's shift into August sets the average high-temperature at a still warm 79.9°F (26.6°C), a figure that deviates only slightly from July's 80.8°F (27.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Downs, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 57.9°F (14.4°C). The arrival of September coincides with an average high-temperature of a still warm 75.9°F (24.4°C), indicating a minimal shift from August's 79.9°F (26.6°C). Weather in September »

Weather in October

October, like September, in Downs, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 62.2°F (16.8°C) and 46.8°F (8.2°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 75.9°F (24.4°C) to a comfortable 62.2°F (16.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Downs, Illinois, with an average temperature ranging between max 48°F (8.9°C) and min 34.9°F (1.6°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a chilly 48°F (8.9°C) from a refreshing 62.2°F (16.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Downs, Illinois, with an average temperature varying between 26.6°F (-3°C) and 36.9°F (2.7°C). December weather is marked by a drop in the average high-temperature, falling from a chilly 48°F (8.9°C) in November to a cold 36.9°F (2.7°C). Weather in December »
Updated: Feb 12, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What are the coldest months in Downs?

January tends to be the coldest month in Downs, Illinois, with temperatures averaging a daily high of 31.3°F (-0.4°C) and a low of 19.6°F (-6.9°C).

How many days does it rain in Downs?

In Downs, during the entire year, the rain falls for 139 days and collects up to 20.83" (529mm) of precipitation.

When does it snow in Downs?

January through April, November and December are months with snowfall.

When does it snow the most in Downs?

January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 2.8" (71mm) of snow.

How much does it snow in Downs?

Throughout the year, there are 28.1 snowfall days, and 9.17" (233mm) of snow is accumulated.

What is the month with the least sunshine in Downs?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Downs?

The months with the lowest UV index in Downs, Illinois, are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Downs?

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 rainiest month in Downs?

The month with the most rainfall in Downs is May, when the rain falls for 17.5 days and typically aggregates up to 2.87" (73mm) of precipitation.

When it does not snow in Downs?

In Downs, snow does not fall in May through October.

When are the longest days in Downs?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What month has the most sunshine in Downs?

The month with the most sunshine is June, with an average of 10.1h of sunshine.

When is the highest UV index in Downs?

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

What is the warmest month in Downs?

In Downs, temperatures reach their average annual highs in July, measuring 80.8°F (27.1°C) and a minimum average of 64.9°F (18.3°C).

What is the most humid month in Downs?

With an average relative humidity of 85%, July is the most humid month.

What is the least humid month in Downs?

October is the least humid month, with an average relative humidity of 71%.

What is the driest month in Downs?

December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.

What is the month with the shortest days in Downs?

The month with the shortest days in Downs is December, with an average of 9h and 18min of daylight.

Average pressure
Downs, IL

Average pressure - Downs, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Downs, IL

Average wind speed - Downs, IL

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average rainfall
Downs, IL

Average rainfall - Downs, IL

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").

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Average rainfall days
Downs, IL

Average rainfall days - Downs, IL

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall
Downs, IL

Average snowfall - Downs, IL

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Downs, IL

Average snowfall days - Downs, IL

The month with the highest number of snowfall days is January (9.8 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
Downs, IL

Average daylight / Average sunshine - Downs, IL

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Downs, IL

Average sunshine days - Downs, IL

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index
Downs, IL

Average UV index - Downs, IL

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Downs, IL

Average visibility - Downs, 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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Downs, Illinois, USA

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