Climate and monthly weather forecast
Charles City, IA

Weather in January

January, like December, is another subzero cold winter month in Charles City, Iowa, with an average temperature varying between 10.6°F (-11.9°C) and 22.6°F (-5.2°C). With an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.6°F (-11.9°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Charles City, Iowa, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 26.4°F (-3.1°C). In Charles City, the average high-temperature in February is essentially the same as in January - a still subzero cold 26.4°F (-3.1°C). Weather in February »

Weather in March

March, the first month of the spring in Charles City, is a cold month, with an average temperature ranging between max 41.5°F (5.3°C) and min 27.7°F (-2.4°C). In Charles City, the average high-temperature in March significantly increases from a freezing cold 26.4°F (-3.1°C) in February to a wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April in Charles City, Iowa, is a fresh spring month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 54.9°F (12.7°C). In Charles City, Iowa, the average high-temperature in April increases from a wintry 41.5°F (5.3°C) in March to a fresh 54.9°F (12.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Charles City, Iowa, with an average temperature varying between 50.5°F (10.3°C) and 66.7°F (19.3°C). In May, the average high-temperature increases from a fresh 54.9°F (12.7°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Charles City, Iowa, with an average temperature fluctuating between 76.6°F (24.8°C) and 60.3°F (15.7°C). In June, the average high-temperature increases from a comfortable 66.7°F (19.3°C) in May to a warm 76.6°F (24.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Charles City, 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). July is the warmest month, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 62.6°F (17°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Charles City, Iowa, with an average temperature fluctuating between 59.9°F (15.5°C) and 77.5°F (25.3°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Charles City, is also an agreeable month, with an average temperature ranging between max 72.1°F (22.3°C) and min 53.4°F (11.9°C). In September, the average high-temperature slightly decreases from a moderately hot 77.5°F (25.3°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, the same as September, in Charles City, Iowa, is another mild autumn month, with temperature in the range of an average high of 57.4°F (14.1°C) and an average low of 42.3°F (5.7°C). In Charles City, the average high-temperature in October plummets from a pleasant 72.1°F (22.3°C) in September to a mild 57.4°F (14.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Charles City, is also a frosty month, with an average temperature varying between 30.2°F (-1°C) and 42.8°F (6°C). In Charles City, the average high-temperature in November plummets from a mild 57.4°F (14.1°C) in October to a chilly 42.8°F (6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Charles City, Iowa, with an average temperature fluctuating between 18.3°F (-7.6°C) and 28.4°F (-2°C). In Charles City, the average high-temperature in December significantly decreases from a chilly 42.8°F (6°C) in November to a freezing cold 28.4°F (-2°C). Weather in December »
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FAQ

What is the coldest month in Charles City?

The coldest month in Charles City is January, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.6°F (-11.9°C).

What is the most humid month in Charles City?

The most humid month is January, with an average relative humidity of 88%.

What is the driest month in Charles City?

January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 1.14" (29mm) of precipitation.

How many days does it rain in Charles City?

Throughout the year, in Charles City, there are 136.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.

When does it snow in Charles City?

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

How many days does it snow in Charles City?

Throughout the year, in Charles City, there are 59.5 snowfall days, and 25.04" (636mm) of snow is accumulated.

What is the month with the least sunshine in Charles City?

January has the least sunshine of the year in Charles City, Iowa, with an average of 3.5h of sunshine.

What is the month with the lowest UV index in Charles City?

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

What is the snowiest month in Charles City?

February is the month with the most snowfall. Snow falls for 12.5 days and accumulates 6.5" (165mm) of snow.

When is Daylight Saving Time (DST) in Charles City?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Charles City, 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 wettest month in Charles City?

June is the month with the most rainfall. Rain falls for 18.6 days and accumulates 4.17" (106mm) of precipitation.

When it does not snow in Charles City?

June through September are months without snowfall in Charles City.

When are the longest days in Charles City?

With an average of 15h and 19min of daylight, June has the longest days of the year.

When is the highest UV index in Charles City?

With an average maximum UV index of 6, June is the month with the highest UV index in Charles City.

What is the warmest month in Charles City?

The warmest month is July, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 62.6°F (17°C).

What are the months with the most sunshine in Charles City?

The months with the most sunshine in Charles City are July and August, with an average of 9.7h of sunshine.

What is the least humid month in Charles City?

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

What is the month with the shortest days in Charles City?

With an average of 9h and 4min of daylight, December has the shortest days of the year.

Average temperature
Charles City, IA

Average temperature - Charles City, 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 (22.6°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 (10.6°F).

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Average pressure
Charles City, IA

Average pressure - Charles City, 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
Charles City, IA

Average wind speed - Charles City, IA

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity
Charles City, IA

Average humidity - Charles City, IA

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
Charles City, IA

Average rainfall - Charles City, IA

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days
Charles City, IA

Average rainfall days - Charles City, IA

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall
Charles City, IA

Average snowfall - Charles City, IA

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Charles City, IA

Average snowfall days - Charles City, IA

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Charles City, IA

Average daylight / Average sunshine - Charles City, IA

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days
Charles City, IA

Average sunshine days - Charles City, IA

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.3 days).

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Average visibility
Charles City, IA

Average visibility - Charles City, IA

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

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