Climate and monthly weather forecast
West Chester, IA

Weather in January

January, like December, is a freezing cold winter month in West Chester, Iowa, with an average temperature varying between 28.8°F (-1.8°C) and 16.5°F (-8.6°C). The coldest month is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.5°F (-8.6°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in West Chester, Iowa, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 19.9°F (-6.7°C). In West Chester, the average high-temperature in February is essentially the same as in January - a cold 33.3°F (0.7°C). Weather in February »

Weather in March

March, the first month of the spring in West Chester, is a chilly month, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 47.5°F (8.6°C). In March, the average high-temperature increases from a cold 33.3°F (0.7°C) in February to a chilly 47.5°F (8.6°C). Weather in March »

Weather in April

April is a mild spring month in West Chester, Iowa, with an average temperature ranging between min 43°F (6.1°C) and max 59.5°F (15.3°C). In West Chester, the average high-temperature in April increases from a frosty 47.5°F (8.6°C) in March to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in West Chester, Iowa, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 53.8°F (12.1°C). In May, the average high-temperature increases from a moderate 59.5°F (15.3°C) in April to an agreeable 70.2°F (21.2°C). Weather in May »

Weather in June

June, the first month of the summer in West Chester, is a warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.5°F (26.4°C). In June, the average high-temperature increases from a pleasant 70.2°F (21.2°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in West Chester, Iowa, is another warm summer month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 82°F (27.8°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 65.1°F (18.4°C), July is the warmest month. In July, the average heat index is appraised at a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in West Chester, is also a moderately hot month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63°F (17.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

Weather in September

September, the first month of the autumn in West Chester, is also a moderately hot month, with an average temperature ranging between max 75.6°F (24.2°C) and min 56.3°F (13.5°C). In West Chester, the average high-temperature in September slightly decreases from 81.1°F (27.3°C) in August to a still moderately hot 75.6°F (24.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in West Chester, Iowa, with an average temperature varying between 61.5°F (16.4°C) and 45.3°F (7.4°C). In West Chester, the average high-temperature in October decreases from a warm 75.6°F (24.2°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in West Chester, Iowa, with an average temperature ranging between max 47.3°F (8.5°C) and min 33.6°F (0.9°C). In West Chester, the average high-temperature in November drops from an enjoyable 61.5°F (16.4°C) in October to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in West Chester, Iowa, with an average temperature varying between 24.1°F (-4.4°C) and 34.9°F (1.6°C). In December, the average high-temperature drops from a frosty 47.3°F (8.5°C) in November to a cold 34.9°F (1.6°C). Weather in December »
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FAQ

What is the coldest month in West Chester?

With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.5°F (-8.6°C), January is the coldest month in West Chester, Iowa.

What is the most humid month in West Chester?

The months with the highest humidity are January and July, with an average relative humidity of 83%.

How many days does it rain in West Chester?

Throughout the year, in West Chester, Iowa, there are 123.7 rainfall days, and 18.94" (481mm) of precipitation is accumulated.

When does it snow in West Chester?

January through April, October through December are months with snowfall.

When does it snow the most in West Chester?

The month with the most snowfall is January, when snow falls for 8.9 days and typically aggregates up to 2.52" (64mm) of snow.

How much does it snow in West Chester?

Throughout the year, there are 29.8 snowfall days, and 7.99" (203mm) of snow is accumulated.

What is the month with the least sunshine in West Chester?

The month with the least sunshine is January, with an average of 4.2h of sunshine.

What is the month with the lowest UV index in West Chester?

With an average maximum UV index of 1, January is the month with the lowest UV index in West Chester, Iowa.

When is Daylight Saving Time (DST) in West Chester?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in West Chester, Iowa, 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 rainiest month in West Chester?

May is the month with the most rainfall in West Chester, Iowa. Rain falls for 17 days and accumulates 2.91" (74mm) of precipitation.

When it does not snow in West Chester?

In West Chester, snow does not fall in May through September.

When are the longest days in West Chester?

The month with the longest days in West Chester is June, with an average of 15h and 7min of daylight.

What is the month with the highest UV index in West Chester?

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

What is the warmest month in West Chester?

The warmest month in West Chester, Iowa, is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 65.1°F (18.4°C).

What month has the most sunshine in West Chester?

The month with the most sunshine in West Chester, Iowa, is July, with an average of 10.2h of sunshine.

What is the least humid month in West Chester?

The least humid month is October, with an average relative humidity of 72%.

What is the driest month in West Chester?

The month with the least rainfall in West Chester is December, when the rain falls for 5.8 days and typically collects 0.71" (18mm) of precipitation.

What is the month with the shortest days in West Chester?

December has the shortest days of the year in West Chester, Iowa, with an average of 9h and 15min of daylight.

Average temperature
West Chester, IA

Average temperature - West Chester, IA

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure
West Chester, IA

Average pressure - West Chester, IA

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
West Chester, IA

Average wind speed - West Chester, IA

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity
West Chester, IA

Average humidity - West Chester, IA

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
West Chester, IA

Average rainfall - West Chester, IA

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days
West Chester, IA

Average rainfall days - West Chester, IA

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall
West Chester, IA

Average snowfall - West Chester, IA

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
West Chester, IA

Average snowfall days - West Chester, IA

The month with the highest number of snowfall days is January (8.9 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
West Chester, IA

Average daylight / Average sunshine - West Chester, IA

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
West Chester, IA

Average sunshine days - West Chester, IA

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).

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Average visibility
West Chester, IA

Average visibility - West Chester, IA

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

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