Climate and monthly weather forecast
Plainfield, IA

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Weather in January

January, the same as December, in Plainfield, Iowa, is another subzero cold winter month, with an average temperature ranging between min 10.8°F (-11.8°C) and max 23.2°F (-4.9°C). The coldest period is January, when temperatures fluctuate between an average high of 23.2°F (-4.9°C) and a low of 10.8°F (-11.8°C). Weather in January »

Weather in February

February, the last month of the winter in Plainfield, is another freezing cold month, with an average temperature fluctuating between 13.8°F (-10.1°C) and 27°F (-2.8°C). The start of February sees the average high-temperature at a still freezing cold 27°F (-2.8°C), showing little difference from January's 23.2°F (-4.9°C). Weather in February »

Weather in March

March, the first month of the spring in Plainfield, is an icy month, with an average temperature ranging between min 28.4°F (-2°C) and max 42.3°F (5.7°C). The start of March signals a clear increase in the average high-temperature, soaring from a freezing cold 27°F (-2.8°C) in February to an icy 42.3°F (5.7°C). Weather in March »

Weather in April

April is a cool spring month in Plainfield, Iowa, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 55.2°F (12.9°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 42.3°F (5.7°C) to a cool 55.2°F (12.9°C). Weather in April »

Weather in May

May, the last month of the spring in Plainfield, is an enjoyable month, with an average temperature varying between 67.3°F (19.6°C) and 50.5°F (10.3°C). The shift into May brings an increase in the average high-temperature, moving from a fresh 55.2°F (12.9°C) in April to a refreshing 67.3°F (19.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Plainfield, Iowa, with an average temperature ranging between max 77°F (25°C) and min 60.4°F (15.8°C). Plainfield's transition into June sees a rise in the average high-temperature, advancing from a comfortable 67.3°F (19.6°C) in May to a moderately hot 77°F (25°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Plainfield, Iowa, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 62.6°F (17°C). The warmest period is July, when temperatures fluctuate between an average high of 79.2°F (26.2°C) and a low of 62.6°F (17°C). Weather in July »

Weather in August

August, the last month of the summer in Plainfield, is also a moderately hot month, with an average temperature varying between 77.9°F (25.5°C) and 59.9°F (15.5°C). Plainfield's average high-temperature in August is a still moderately hot 77.9°F (25.5°C), marking an insignificant difference from the 79.2°F (26.2°C) of July. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Plainfield, Iowa, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 53.4°F (11.9°C). The average high-temperature shows a slight dip in September, from August's warm 77.9°F (25.5°C) to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, in Plainfield, Iowa, is a moderate autumn month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 57.7°F (14.3°C). Plainfield's transition into October is marked by a clear temperature shift, receding from an agreeable 72.5°F (22.5°C) in September to a moderate 57.7°F (14.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Plainfield, is also a frosty month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 43.2°F (6.2°C). November witnesses a clear temperature decrease, falling from a moderate 57.7°F (14.3°C) in October to a frosty 43.2°F (6.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Plainfield, Iowa, with an average temperature fluctuating between 18.7°F (-7.4°C) and 29.3°F (-1.5°C). Arrival of December comes with a reduction in the average high-temperature, falling from a chilly 43.2°F (6.2°C) in November to a subzero cold 29.3°F (-1.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Plainfield?

Plainfield's coldest month, January, registers temperatures that range from a high of 23.2°F (-4.9°C) to a low of 10.8°F (-11.8°C).

What is the most humid month in Plainfield?

With an average relative humidity of 88%, January is the most humid month.

What is the driest month in Plainfield?

The month with the least rainfall in Plainfield is January, when the rain falls for 4.1 days and typically collects 0.98" (25mm) of precipitation.

How many days does it rain in Plainfield?

Throughout the year, in Plainfield, there are 127.3 rainfall days, and 26.61" (676mm) of precipitation is accumulated.

When does it snow in Plainfield?

Months with snowfall are January through May, October through December.

How much does it snow in Plainfield?

In Plainfield, Iowa, during the entire year, snow falls for 46.8 days and aggregates up to 19.76" (502mm) of snow.

What is the month with the least sunshine in Plainfield?

The month with the least sunshine in Plainfield is January, with an average of 3.5h of sunshine.

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

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

When does it snow the most in Plainfield?

The month with the most snowfall in Plainfield, Iowa, is February, when snow falls for 9.2 days and typically aggregates up to 5.2" (132mm) of snow.

When is Daylight Saving Time (DST) in Plainfield?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Plainfield, 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 Plainfield?

June is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.98" (101mm) of precipitation.

When it does not snow in Plainfield?

June through September are months without snowfall in Plainfield.

When are the longest days in Plainfield?

The month with the longest days in Plainfield, Iowa, is June, with an average of 15h and 18min of daylight.

When is the highest UV index in Plainfield?

The month with the highest UV index in Plainfield, Iowa, is June, with an average maximum UV index of 6.

What is the warmest month in Plainfield?

Plainfield's temperatures tend to reach their peak averages in July, with a high of 79.2°F (26.2°C) and a low of 62.6°F (17°C).

What is the month with the most sunshine in Plainfield?

July and August, with an average of 9.6h of sunshine, are months with the most sunshine.

What is the least humid month in Plainfield?

October is the least humid month in Plainfield, with an average relative humidity of 72%.

What is the month with the shortest days in Plainfield?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Plainfield, IA

Average temperature - Plainfield, IA

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure
Plainfield, IA

Average pressure - Plainfield, IA

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Plainfield, IA

Average wind speed - Plainfield, IA

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average rainfall
Plainfield, IA

Average rainfall - Plainfield, IA

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days
Plainfield, IA

Average rainfall days - Plainfield, IA

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall
Plainfield, IA

Average snowfall - Plainfield, IA

The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Plainfield, IA

Average snowfall days - Plainfield, IA

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Plainfield, IA

Average daylight / Average sunshine - Plainfield, IA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days
Plainfield, IA

Average sunshine days - Plainfield, IA

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).

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Average visibility
Plainfield, IA

Average visibility - Plainfield, IA

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Plainfield, Iowa, USA

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