Climate and monthly weather forecast
Clermont, IA

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Weather in January

January, the same as December, in Clermont, Iowa, is another subzero cold winter month, with an average temperature ranging between min 9.9°F (-12.3°C) and max 22.5°F (-5.3°C). Clermont's temperature records reveal January as the coldest month, marked by average highs of 22.5°F (-5.3°C) and lows of 9.9°F (-12.3°C). Weather in January »

Weather in February

February, the last month of the winter in Clermont, is another freezing cold month, with an average temperature varying between 13.1°F (-10.5°C) and 26.2°F (-3.2°C). Clermont measures an average high-temperature of a still subzero cold 26.2°F (-3.2°C) in February, nearly consistent with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Clermont, is a cold month, with an average temperature varying between 41.4°F (5.2°C) and 27°F (-2.8°C). The arrival of March brings a significant change in Clermont's weather, with average high-temperatures climbing from February's subzero cold 26.2°F (-3.2°C) to a wintry 41.4°F (5.2°C). Weather in March »

Weather in April

April in Clermont, Iowa, is a fresh spring month, with an average temperature varying between 37.9°F (3.3°C) and 54.3°F (12.4°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a cold 41.4°F (5.2°C) to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Clermont, Iowa, with an average temperature fluctuating between 65.8°F (18.8°C) and 48.9°F (9.4°C). The beginning of May marks a shift in the average high-temperature, moving from April's fresh 54.3°F (12.4°C) to an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Clermont, Iowa, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 75.4°F (24.1°C). The shift from May to June brings an increase in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) to a moderately hot 75.4°F (24.1°C). Weather in June »

Weather in July

July, like June, in Clermont, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 79°F (26.1°C). The temperatures reach their highest averages in July, with highs of 79°F (26.1°C) and lows of 62.2°F (16.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Clermont, Iowa, with an average temperature ranging between max 77.5°F (25.3°C) and min 59.5°F (15.3°C). The advent of August brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), almost identical to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Clermont, Iowa, with an average temperature ranging between max 71.1°F (21.7°C) and min 52.3°F (11.3°C). September brings a minor shift in the average high-temperature, adjusting from a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »

Weather in October

October, the same as September, in Clermont, Iowa, is another refreshing autumn month, with an average temperature varying between 57°F (13.9°C) and 41.4°F (5.2°C). A moderate decline in the average high-temperature is seen during October, decreasing from a pleasant 71.1°F (21.7°C) in September to a mild 57°F (13.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Clermont, Iowa, with an average temperature fluctuating between 29.5°F (-1.4°C) and 42.6°F (5.9°C). As November arrives, a noticeable drop in the average high-temperature is witnessed, moving from a refreshing 57°F (13.9°C) in October to a wintry 42.6°F (5.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Clermont, Iowa, with an average temperature varying between 18.7°F (-7.4°C) and 28.9°F (-1.7°C). Clermont in December experiences a subtle temperature decline, with average high-temperatures reducing from an icy 42.6°F (5.9°C) in November to a subzero cold 28.9°F (-1.7°C). Weather in December »
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Temperature records mark January as the coldest month, with highs averaging 22.5°F (-5.3°C) and lows at 9.9°F (-12.3°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 89%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 4 days and accumulates 0.98" (25mm) of precipitation.

How much does it rain?

In Clermont, during the entire year, the rain falls for 131 days and collects up to 27.91" (709mm) of precipitation.

When does it snow?

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

How many days does it snow?

Throughout the year, in Clermont, there are 52.3 snowfall days, and 21.26" (540mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.5h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 5.16" (131mm) of snow.

When is Daylight Saving Time (DST)?

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

The month with the most rainfall is June, when the rain falls for 17.7 days and typically aggregates up to 4.33" (110mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What time of the year is the hottest?

The warmest time of the year is July, with temperatures averaging a high of 79°F (26.1°C) and a low of 62.2°F (16.8°C).

What is the month with the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 6.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.8h of sunshine.

What is the least humid month in Clermont?

The least humid month is October, with an average relative humidity of 75%.

What is the month with the shortest days?

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

Average temperature
Clermont, IA

Average temperature - Clermont, IA

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure
Clermont, IA

Average pressure - Clermont, IA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Clermont, IA

Average wind speed - Clermont, IA

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity
Clermont, IA

Average humidity - Clermont, IA

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (75%).

Average rainfall
Clermont, IA

Average rainfall - Clermont, IA

The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days
Clermont, IA

Average rainfall days - Clermont, IA

The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.8 days).

Average snowfall
Clermont, IA

Average snowfall - Clermont, IA

The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Clermont, IA

Average snowfall days - Clermont, IA

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Clermont, IA

Average daylight / Average sunshine - Clermont, 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 month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days
Clermont, IA

Average sunshine days - Clermont, IA

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).

Average visibility
Clermont, IA

Average visibility - Clermont, IA

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

Clermont, Iowa, USA

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