Climate and monthly weather forecast
Pinckneyville, IL

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Weather in January

January, the same as December, is a wintry winter month in Pinckneyville, Illinois, with an average temperature fluctuating between 25.7°F (-3.5°C) and 38.8°F (3.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Pinckneyville, Illinois, with an average temperature ranging between max 43.7°F (6.5°C) and min 29.5°F (-1.4°C). Stepping into February, Pinckneyville records an average high-temperature of a frosty 43.7°F (6.5°C), almost consistent with January. Weather in February »

Weather in March

March, the first month of the spring in Pinckneyville, is a fresh month, with an average temperature varying between 38.7°F (3.7°C) and 55°F (12.8°C). March's arrival signals a temperature shift, moving from a frosty 43.7°F (6.5°C) in February to a cool 55°F (12.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Pinckneyville, Illinois, with an average temperature varying between 66°F (18.9°C) and 48.4°F (9.1°C). Pinckneyville sees an increase in the average high-temperature with the arrival of April, moving from March's fresh 55°F (12.8°C) to a comfortable 66°F (18.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Pinckneyville, Illinois, with an average temperature ranging between min 58.1°F (14.5°C) and max 75.4°F (24.1°C). As Pinckneyville, Illinois, transitions into May, the average high-temperature shows a change, moving from a comfortable 66°F (18.9°C) in April to a warm 75.4°F (24.1°C). Weather in May »

Weather in June

June, the first month of the summer in Pinckneyville, is also a moderately hot month, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.6°F (29.2°C). As June arrives, a rise in the average high-temperature is observed, moving from a warm 75.4°F (24.1°C) in May to a still moderately hot 84.6°F (29.2°C). Weather in June »

Weather in July

July in Pinckneyville, Illinois, is a tropical summer month, with an average temperature fluctuating between 68.7°F (20.4°C) and 87.3°F (30.7°C). In Pinckneyville, the highest average temperatures are observed in July, with a high of 87.3°F (30.7°C) and a low of 68.7°F (20.4°C). For most parts of July, the heat index is calculated to be a very hot 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Pinckneyville, Illinois, with an average temperature ranging between max 85.5°F (29.7°C) and min 66°F (18.9°C). The average high-temperature for August is a warm 85.5°F (29.7°C), closely aligning with the temperature of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Pinckneyville, is still a warm month, with an average temperature varying between 79.7°F (26.5°C) and 60.1°F (15.6°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 85.5°F (29.7°C) to a still warm 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Pinckneyville, Illinois, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 49.3°F (9.6°C). The average high-temperature drops in October, from September's moderately hot 79.7°F (26.5°C) to a refreshing 67.1°F (19.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Pinckneyville, Illinois, with an average temperature varying between 53.6°F (12°C) and 38.3°F (3.5°C). As November begins, there is a decrease in the average high-temperature, falling from a comfortable 67.1°F (19.5°C) in October to a cool 53.6°F (12°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Pinckneyville, Illinois, with an average temperature fluctuating between 43.5°F (6.4°C) and 31.1°F (-0.5°C). Pinckneyville's progression into December includes a drop in the average high-temperature, from a fresh 53.6°F (12°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Pinckneyville?

With average high temperatures of 38.8°F (3.8°C) and lows of 25.7°F (-3.5°C), January is the coldest month.

What is the driest month in Pinckneyville?

The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 1.5" (38mm) of precipitation.

How much does it rain in Pinckneyville?

Throughout the year, in Pinckneyville, Illinois, there are 147.6 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

When does it snow in Pinckneyville?

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

How many days does it snow in Pinckneyville?

Throughout the year, there are 18 snowfall days, and 4.53" (115mm) of snow is accumulated.

What is the month with the least sunshine in Pinckneyville?

The month with the least sunshine in Pinckneyville is January, with an average of 4.6h of sunshine.

When is the lowest UV index in Pinckneyville?

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

When does it snow the most in Pinckneyville?

February is the month with the most snowfall. Snow falls for 5.1 days and accumulates 1.5" (38mm) of snow.

When is Daylight Saving Time (DST) in Pinckneyville?

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 in Pinckneyville?

April is the month with the most rainfall in Pinckneyville. Rain falls for 15.1 days and accumulates 3.58" (91mm) of precipitation.

What is the most humid month in Pinckneyville?

May is the most humid month in Pinckneyville, with an average relative humidity of 79%.

When it does not snow in Pinckneyville?

May through October are months without snowfall in Pinckneyville, Illinois.

When are the longest days in Pinckneyville?

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

When is the highest UV index in Pinckneyville?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Pinckneyville, Illinois.

What is the hottest time of year in Pinckneyville?

July is the warmest month in Pinckneyville, with the temperature often reaching an average high of 87.3°F (30.7°C) and an average low of 68.7°F (20.4°C).

What month has the most sunshine in Pinckneyville?

July has the most sunshine of the year in Pinckneyville, Illinois, with an average of 10.5h of sunshine.

What is the least humid month in Pinckneyville?

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

What is the month with the shortest days in Pinckneyville?

The month with the shortest days in Pinckneyville is December, with an average of 9h and 36min of daylight.

Average temperature
Pinckneyville, IL

Average temperature - Pinckneyville, IL

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure
Pinckneyville, IL

Average pressure - Pinckneyville, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Pinckneyville, IL

Average wind speed - Pinckneyville, IL

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average rainfall
Pinckneyville, IL

Average rainfall - Pinckneyville, IL

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days
Pinckneyville, IL

Average rainfall days - Pinckneyville, IL

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).

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Average snowfall
Pinckneyville, IL

Average snowfall - Pinckneyville, IL

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Pinckneyville, IL

Average snowfall days - Pinckneyville, IL

The month with the highest number of snowfall days is January (5.4 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
Pinckneyville, IL

Average daylight / Average sunshine - Pinckneyville, 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 36min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days
Pinckneyville, IL

Average sunshine days - Pinckneyville, IL

The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index
Pinckneyville, IL

Average UV index - Pinckneyville, IL

The months with the highest UV index are June, July and August (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
Pinckneyville, IL

Average visibility - Pinckneyville, 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).

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Pinckneyville, Illinois, USA

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