Climate and monthly weather forecast
Shiloh, IL

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Weather in January

January, the same as December, is an icy winter month in Shiloh, Illinois, with an average temperature varying between 37.8°F (3.2°C) and 24.8°F (-4°C). January, on average, is the coldest month, registering a high temperature of 37.8°F (3.2°C) and a low of 24.8°F (-4°C). Weather in January »

Weather in February

February, the last month of the winter in Shiloh, is also an icy month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.9°F (-2.3°C). Shiloh experiences a subtle adjustment in high-temperatures to a still wintry 42.3°F (5.7°C) with the onset of February, maintaining near parity with January's 37.8°F (3.2°C). Weather in February »

Weather in March

March, the first month of the spring in Shiloh, is a cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 37.9°F (3.3°C). Noticing a change, the average high-temperature during March moves from February's icy 42.3°F (5.7°C) to a fresh 54.5°F (12.5°C). Weather in March »

Weather in April

April is an enjoyable spring month in Shiloh, Illinois, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.1°F (18.4°C). The onset of April brings a rise in the average high-temperature, elevating from a fresh 54.5°F (12.5°C) in March to an enjoyable 65.1°F (18.4°C). Weather in April »

Weather in May

May, the last month of the spring in Shiloh, is a moderately hot month, with an average temperature ranging between min 57.7°F (14.3°C) and max 74.8°F (23.8°C). The onset of May brings a rise in the average high-temperature, elevating from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

June, the first month of the summer in Shiloh, is also a moderately hot month, with an average temperature varying between 83.7°F (28.7°C) and 66.6°F (19.2°C). As June sets, the average high-temperature shows a slight increase, moving up from 74.8°F (23.8°C) in May to a still moderately hot 83.7°F (28.7°C). Weather in June »

Weather in July

July, like June, in Shiloh, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 85.6°F (29.8°C) and 68°F (20°C). The average temperatures reach their apex in July, averaging 85.6°F (29.8°C) at the high end and 68°F (20°C) at the low end. The heat index value during July is evaluated at a fiery hot 98.6°F (37°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Shiloh, Illinois, with an average temperature fluctuating between 65.8°F (18.8°C) and 84.2°F (29°C). As August unfolds, the average high-temperature reaches a still warm 84.2°F (29°C), hinting at a slight fluctuation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Shiloh, Illinois, with an average temperature fluctuating between 59.9°F (15.5°C) and 79.2°F (26.2°C). The shift from August to September is characterized by an average high-temperature of a still moderately hot 79.2°F (26.2°C), not significantly different from the 84.2°F (29°C) of August. Weather in September »

Weather in October

October, like September, in Shiloh, Illinois, is another enjoyable autumn month, with an average temperature varying between 48.9°F (9.4°C) and 66.4°F (19.1°C). In Shiloh, the beginning of October is marked by a lowered average high-temperature, shifting from September's moderately hot 79.2°F (26.2°C) to a refreshing 66.4°F (19.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Shiloh, is another cool month, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 53.2°F (11.8°C). A decrease in the average high-temperature is observed during November, shifting from an enjoyable 66.4°F (19.1°C) in October to a cool 53.2°F (11.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Shiloh, Illinois, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 30.2°F (-1°C). December's onset corresponds with a shift in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in November to a cold 42.4°F (5.8°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With average high temperatures of 37.8°F (3.2°C) and lows of 24.8°F (-4°C), January is the coldest month.

How many days does it rain?

Throughout the year, there are 110.1 rainfall days, and 11.1" (282mm) of precipitation is accumulated.

When does it snow in Shiloh?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 4.7 days and typically aggregates up to 0.51" (13mm) of snow.

How much does it snow in Shiloh?

In Shiloh, Illinois, during the entire year, snow falls for 13.8 days and aggregates up to 1.38" (35mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.5h of sunshine.

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

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

What is the driest month?

The month with the least rainfall in Shiloh is February, when the rain falls for 5.3 days and typically collects 0.47" (12mm) of precipitation.

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.

When it does not snow?

April through October are months without snowfall.

What are the most humid months?

The months with the highest humidity are May, July and August, with an average relative humidity of 79%.

What is the rainiest month in Shiloh?

The month with the most rainfall is May, when the rain falls for 12.7 days and typically aggregates up to 1.5" (38mm) of precipitation.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Shiloh.

When are the longest days?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What are the months with the most sunshine?

The months with the most sunshine are June and July, with an average of 10.4h of sunshine.

What part of the year is the hottest?

July stands out as Shiloh's warmest month, with temperatures ranging between an average high of 85.6°F (29.8°C) and a low of 68°F (20°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 70%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

Average temperature
Shiloh, IL

Average temperature - Shiloh, IL

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure
Shiloh, IL

Average pressure - Shiloh, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Shiloh, IL

Average wind speed - Shiloh, IL

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity
Shiloh, IL

Average humidity - Shiloh, IL

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall
Shiloh, IL

Average rainfall - Shiloh, IL

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days
Shiloh, IL

Average rainfall days - Shiloh, IL

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall
Shiloh, IL

Average snowfall - Shiloh, IL

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Shiloh, IL

Average snowfall days - Shiloh, IL

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Shiloh, IL

Average daylight / Average sunshine - Shiloh, IL

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days
Shiloh, IL

Average sunshine days - Shiloh, IL

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).

Average UV index
Shiloh, IL

Average UV index - Shiloh, IL

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

Average visibility
Shiloh, IL

Average visibility - Shiloh, IL

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

Shiloh, Illinois, USA

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