Climate and monthly weather forecast
Sheldon, IL

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Weather in January

January, like December, is another subzero cold winter month in Sheldon, Illinois, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 30.7°F (-0.7°C). January tends to be the coldest month, with temperatures averaging a daily high of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Sheldon, Illinois, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C). Sheldon starts February with an average high-temperature of a wintry 35.1°F (1.7°C), a minor shift from January's 30.7°F (-0.7°C). Weather in February »

Weather in March

March, the first month of the spring in Sheldon, is a frosty month, with an average temperature varying between 33.4°F (0.8°C) and 47.8°F (8.8°C). The start of March brings a rise in the average high-temperature, moving from an icy 35.1°F (1.7°C) in February to a chilly 47.8°F (8.8°C). Weather in March »

Weather in April

April in Sheldon, Illinois, is a refreshing spring month, with an average temperature varying between 59.4°F (15.2°C) and 43.5°F (6.4°C). The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 47.8°F (8.8°C) in March to a moderate 59.4°F (15.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Sheldon, Illinois, with an average temperature ranging between min 54.5°F (12.5°C) and max 71.4°F (21.9°C). As Sheldon transitions into May, a rise in the average high-temperature is observed, moving from a moderate 59.4°F (15.2°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Sheldon, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.4°F (16.9°C). Sheldon's June weather indicates a minor increase in high-temperatures, edging from May's pleasant 71.4°F (21.9°C) 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 Sheldon, Illinois, with an average temperature ranging between min 64.2°F (17.9°C) and max 81°F (27.2°C). Temperature readings reach their annual highs in July, averaging 81°F (27.2°C) and a minimum average of 64.2°F (17.9°C). In July, the heat index is appraised at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Sheldon, is another warm month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 62.2°F (16.8°C). With the onset of August, a modest change to a still moderately hot 79.5°F (26.4°C) from July's 81°F (27.2°C) is noted in high-temperature. Weather in August »

Weather in September

September, the first month of the autumn in Sheldon, is also a moderately hot month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 75°F (23.9°C). Sheldon's weather, upon September's arrival, documents an average high-temperature of a still warm 75°F (23.9°C), nearly identical to the prior month. Weather in September »

Weather in October

October, like September, in Sheldon, Illinois, is another refreshing autumn month, with an average temperature ranging between max 62.2°F (16.8°C) and min 46.9°F (8.3°C). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 75°F (23.9°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Sheldon, Illinois, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 47.8°F (8.8°C). With the onset of November, Sheldon experiences a distinct temperature drop, with the average high-temperature reducing from October's enjoyable 62.2°F (16.8°C) to a frosty 47.8°F (8.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Sheldon, Illinois, with an average temperature fluctuating between 26.6°F (-3°C) and 36.7°F (2.6°C). Sheldon's progression into December includes a drop in the average high-temperature, from a chilly 47.8°F (8.8°C) in November to a cold 36.7°F (2.6°C). Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January, with its high-temperature average of 30.7°F (-0.7°C) and a low-temperature average of 18.9°F (-7.3°C), is the coldest month.

What is the driest month?

January and February are months with the least rain when the rain falls for 4.9 days and typically aggregates up to 0.79" (20mm) of rain.

How much does it rain in Sheldon?

In Sheldon, during the entire year, the rain falls for 140.3 days and collects up to 17.56" (446mm) of precipitation.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 2.05" (52mm) of snow.

How much does it snow?

Throughout the year, there are 36.9 snowfall days, and 7.56" (192mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index?

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

When is Daylight Saving Time (DST)?

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 wettest month?

May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.64" (67mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

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

What is the month with the most sunshine?

The months with the most sunshine are June and July, with an average of 9.8h of sunshine.

What are the months with the highest UV index?

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

What are the warmest months?

July, characterized by an average high temperature of 81°F (27.2°C) and a low temperature of 64.2°F (17.9°C), is generally the warmest month.

What is the most humid month?

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

What is the least humid month?

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

What is the month with the shortest days?

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

Average temperature
Sheldon, IL

Average temperature - Sheldon, IL

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
Sheldon, IL

Average pressure - Sheldon, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Sheldon, IL

Average wind speed - Sheldon, IL

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Sheldon, IL

Average humidity - Sheldon, IL

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Sheldon, IL

Average rainfall - Sheldon, IL

The wettest month (with the highest rainfall) is May (2.64").
The driest months (with the least rainfall) are January and February (0.79").

Average rainfall days
Sheldon, IL

Average rainfall days - Sheldon, IL

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (4.9 days).

Average snowfall
Sheldon, IL

Average snowfall - Sheldon, IL

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Sheldon, IL

Average snowfall days - Sheldon, 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).

Average daylight / Average sunshine
Sheldon, IL

Average daylight / Average sunshine - Sheldon, 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 months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Sheldon, IL

Average sunshine days - Sheldon, IL

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (9.4 days).

Average visibility
Sheldon, IL

Average visibility - Sheldon, 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).

Sheldon, Illinois, USA

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