Climate and monthly weather forecast
Plainville, IL

Weather in January

January, the same as December, is another cold winter month in Plainville, Illinois, with an average temperature varying between 34°F (1.1°C) and 21.6°F (-5.8°C). January is the coldest month, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

February, the last month of the winter in Plainville, is also a wintry month, with an average temperature fluctuating between 38.8°F (3.8°C) and 24.8°F (-4°C). In Plainville, the average high-temperature in February is essentially the same as in January - a still wintry 38.8°F (3.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Plainville, Illinois, with an average temperature varying between 51.6°F (10.9°C) and 35.8°F (2.1°C). In Plainville, the average high-temperature in March increases from a wintry 38.8°F (3.8°C) in February to a cool 51.6°F (10.9°C). Weather in March »

Weather in April

April is an enjoyable spring month in Plainville, Illinois, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 63.5°F (17.5°C). In Plainville, the average high-temperature in April rises from a cool 51.6°F (10.9°C) in March to an enjoyable 63.5°F (17.5°C). Weather in April »

Weather in May

May, the last month of the spring in Plainville, is a pleasant month, with an average temperature fluctuating between 72.7°F (22.6°C) and 55.8°F (13.2°C). In May, the average high-temperature rises from a comfortable 63.5°F (17.5°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »

Weather in June

June, the first month of the summer in Plainville, is a warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.4°F (18°C). In June, the average high-temperature increases from an agreeable 72.7°F (22.6°C) in May to a warm 82°F (27.8°C). Weather in June »

Weather in July

July, like June, in Plainville, Illinois, is another warm summer month, with an average temperature varying between 67.1°F (19.5°C) and 84.7°F (29.3°C). July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.1°F (19.5°C). In July, the average heat index is estimated at a very hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Plainville, is also a moderately hot month, with an average temperature fluctuating between 83.8°F (28.8°C) and 64.9°F (18.3°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 83.8°F (28.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Plainville, is still a warm month, with an average temperature fluctuating between 58.3°F (14.6°C) and 78.4°F (25.8°C). In Plainville, the average high-temperature in September slightly decreases from a warm 83.8°F (28.8°C) in August to a still moderately hot 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, in Plainville, Illinois, is another comfortable autumn month, with an average temperature varying between 47.1°F (8.4°C) and 64.4°F (18°C). In October, the average high-temperature decreases from a warm 78.4°F (25.8°C) in September to a comfortable 64.4°F (18°C). Weather in October »

Weather in November

November, the last month of the autumn in Plainville, is another cool month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 51.4°F (10.8°C). In November, the average high-temperature drops from a comfortable 64.4°F (18°C) in October to a fresh 51.4°F (10.8°C). Weather in November »

Weather in December

December, the first month of the winter in Plainville, is still a cold month, with an average temperature ranging between min 27.1°F (-2.7°C) and max 39.6°F (4.2°C). In December, the average high-temperature drops from a cool 51.4°F (10.8°C) in November to a cold 39.6°F (4.2°C). Weather in December »
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FAQ

What is the coldest month in Plainville?

With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month in Plainville.

What is the driest month in Plainville?

January is the month with the least rainfall in Plainville, Illinois. Rain falls for 5.3 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in Plainville?

In Plainville, Illinois, during the entire year, the rain falls for 136 days and collects up to 25" (635mm) of precipitation.

When does it snow in Plainville?

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

When does it snow the most in Plainville?

The month with the most snowfall in Plainville, Illinois, is January, when snow falls for 6.2 days and typically aggregates up to 3.31" (84mm) of snow.

How many days does it snow in Plainville?

Throughout the year, in Plainville, there are 20 snowfall days, and 8.5" (216mm) of snow is accumulated.

What is the month with the least sunshine in Plainville?

The month with the least sunshine is January, with an average of 4.5h of sunshine.

When is the lowest UV index in Plainville?

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

When is Daylight Saving Time (DST) in Plainville?

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

What is the most humid month in Plainville?

May through July, with an average relative humidity of 80%, are most humid months in Plainville, Illinois.

What is the rainiest month in Plainville?

The month with the most rainfall in Plainville is May, when the rain falls for 17.3 days and typically aggregates up to 3.39" (86mm) of precipitation.

When it does not snow in Plainville?

In Plainville, Illinois, snow does not fall in May through October.

When are the longest days in Plainville?

June has the longest days of the year in Plainville, Illinois, with an average of 14h and 56min of daylight.

When is the highest UV index in Plainville?

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

What is the warmest month in Plainville?

July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.1°F (19.5°C).

What month has the most sunshine in Plainville?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the least humid month in Plainville?

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

What is the month with the shortest days in Plainville?

December has the shortest days of the year in Plainville, Illinois, with an average of 9h and 25min of daylight.

Average temperature
Plainville, IL

Average temperature - Plainville, IL

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure
Plainville, IL

Average pressure - Plainville, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Plainville, IL

Average wind speed - Plainville, IL

The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity
Plainville, IL

Average humidity - Plainville, IL

The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall
Plainville, IL

Average rainfall - Plainville, IL

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days
Plainville, IL

Average rainfall days - Plainville, IL

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall
Plainville, IL

Average snowfall - Plainville, IL

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Plainville, IL

Average snowfall days - Plainville, IL

The month with the highest number of snowfall days is January (6.2 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
Plainville, IL

Average daylight / Average sunshine - Plainville, IL

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

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 30min).

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Average sunshine days
Plainville, IL

Average sunshine days - Plainville, IL

The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index
Plainville, IL

Average UV index - Plainville, 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
Plainville, IL

Average visibility - Plainville, 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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