Climate and monthly weather forecast
West Des Moines, IA

The bright red and yellow sun rising over the horizon in West Des Moines, Iowa, casting the glow over the famed City Campus Pond and trees
The bright red and yellow sun rising over the horizon in West Des Moines, Iowa, casting the glow over the famed City Campus Pond and trees

Weather in January

January, like December, is another subzero cold winter month in West Des Moines, Iowa, with temperature in the range of an average high of 27.9°F (-2.3°C) and an average low of 14.9°F (-9.5°C). January is the coldest month, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 14.9°F (-9.5°C). Weather in January »

Weather in February

February, the last month of the winter in West Des Moines, is a wintry month, with an average temperature varying between 32.2°F (0.1°C) and 18°F (-7.8°C). In West Des Moines, the average high-temperature in February is essentially the same as in January - a wintry 32.2°F (0.1°C). Weather in February »

Weather in March

March, the first month of the spring in West Des Moines, is a frosty month, with an average temperature varying between 32.2°F (0.1°C) and 47.1°F (8.4°C). In March, the average high-temperature soars, from a cold 32.2°F (0.1°C) in February, to a frosty 47.1°F (8.4°C). Weather in March »

Weather in April

April is a moderate spring month in West Des Moines, Iowa, with an average temperature varying between 59.5°F (15.3°C) and 42.4°F (5.8°C). In West Des Moines, the average high-temperature in April rises from a chilly 47.1°F (8.4°C) in March to a moderate 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 Des Moines, Iowa, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 53.1°F (11.7°C). In West Des Moines, the average high-temperature in May increases from a moderate 59.5°F (15.3°C) in April to a pleasant 69.8°F (21°C). Weather in May »

Weather in June

June, the first month of the summer in West Des Moines, is a warm month, with an average temperature varying between 79.5°F (26.4°C) and 62.8°F (17.1°C). In West Des Moines, the average high-temperature in June increases from a pleasant 69.8°F (21°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in West Des Moines, Iowa, is another warm summer month, with an average temperature varying between 82.9°F (28.3°C) and 65.3°F (18.5°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.3°F (18.5°C), July is the warmest month. In July, the average heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in West Des Moines, Iowa, with an average temperature varying between 62.4°F (16.9°C) and 81.7°F (27.6°C). In West Des Moines, Iowa, the average high-temperature in August is practically the same as in July - a still moderately hot 81.7°F (27.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in West Des Moines, Iowa, with an average temperature varying between 55.9°F (13.3°C) and 75.6°F (24.2°C). In September, the average high-temperature slightly decreases from 81.7°F (27.6°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, in West Des Moines, Iowa, is a moderate autumn month, with an average temperature fluctuating between 44.8°F (7.1°C) and 60.6°F (15.9°C). In West Des Moines, the average high-temperature in October plummets from a warm 75.6°F (24.2°C) in September to a mild 60.6°F (15.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in West Des Moines, Iowa, with an average temperature ranging between max 47.1°F (8.4°C) and min 32.7°F (0.4°C). In West Des Moines, the average high-temperature in November decreases from a moderate 60.6°F (15.9°C) in October to a chilly 47.1°F (8.4°C). Weather in November »

Weather in December

December, the first month of the winter in West Des Moines, is also a wintry month, with an average temperature fluctuating between 34°F (1.1°C) and 22.3°F (-5.4°C). In December, the average high-temperature drops from a chilly 47.1°F (8.4°C) in November to a cold 34°F (1.1°C). Weather in December »
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FAQ

What is the coldest month in West Des Moines?

The coldest month is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 14.9°F (-9.5°C).

What are the most humid months in West Des Moines?

The months with the highest humidity in West Des Moines are January, February and June, with an average relative humidity of 82%.

What is the driest month in West Des Moines?

January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.91" (23mm) of precipitation.

How many days does it rain in West Des Moines?

In West Des Moines, Iowa, during the entire year, the rain falls for 130.3 days and collects up to 25.91" (658mm) of precipitation.

When does it snow in West Des Moines?

January through May, October through December are months with snowfall in West Des Moines.

When does it snow the most in West Des Moines?

The month with the most snowfall in West Des Moines, Iowa, is January, when snow falls for 10.4 days and typically aggregates up to 4.37" (111mm) of snow.

How many days does it snow in West Des Moines?

In West Des Moines, Iowa, during the entire year, snow falls for 35.4 days and aggregates up to 12.99" (330mm) of snow.

What is the month with the least sunshine in West Des Moines?

January has the least sunshine of the year, with an average of 4.3h of sunshine.

When is the lowest UV index in West Des Moines?

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

When is Daylight Saving Time (DST) in West Des Moines?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in West Des Moines, 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 Des Moines?

The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 4.33" (110mm) of precipitation.

When it does not snow in West Des Moines?

In West Des Moines, Iowa, snow does not fall in June through September.

When are the longest days in West Des Moines?

June has the longest days of the year in West Des Moines, Iowa, with an average of 15h and 8min of daylight.

What is the month with the highest UV index in West Des Moines?

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

What is the warmest month in West Des Moines?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.3°F (18.5°C), July is the warmest month.

What month has the most sunshine in West Des Moines?

The month with the most sunshine in West Des Moines is July, with an average of 10.4h of sunshine.

What is the least humid month in West Des Moines?

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

What is the month with the shortest days in West Des Moines?

December has the shortest days of the year in West Des Moines, with an average of 9h and 13min of daylight.

Average temperature
West Des Moines, IA

Average temperature - West Des Moines, IA

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure
West Des Moines, IA

Average pressure - West Des Moines, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
West Des Moines, IA

Average wind speed - West Des Moines, IA

The windiest months (with the highest average wind speed) are January, March and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity
West Des Moines, IA

Average humidity - West Des Moines, IA

The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall
West Des Moines, IA

Average rainfall - West Des Moines, IA

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days
West Des Moines, IA

Average rainfall days - West Des Moines, IA

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall
West Des Moines, IA

Average snowfall - West Des Moines, IA

The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
West Des Moines, IA

Average snowfall days - West Des Moines, IA

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
West Des Moines, IA

Average daylight / Average sunshine - West Des Moines, IA

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 13min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days
West Des Moines, IA

Average sunshine days - West Des Moines, IA

The months with the most sunshine days are November and December (18.7 days).
The month with the least sunshine days is June (11.3 days).

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Average visibility
West Des Moines, IA

Average visibility - West Des Moines, IA

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

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