Climate and monthly weather forecast
Monroe, IA

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Weather in January

January, the same as December, in Monroe, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 14.5°F (-9.7°C). In Monroe, the lowest temperatures are generally noted in January, averaging a high of 27.9°F (-2.3°C) and a low of 14.5°F (-9.7°C). Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in Monroe, Iowa, with an average temperature ranging between max 32°F (0°C) and min 18.1°F (-7.7°C). The advent of February signifies a minor shift to an average high-temperature of a wintry 32°F (0°C), aligning closely with January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Monroe, Iowa, with an average temperature varying between 32.4°F (0.2°C) and 46.8°F (8.2°C). March indicates a noticeable escalation in the average high-temperature, moving up from a cold 32°F (0°C) in February to a frosty 46.8°F (8.2°C). Weather in March »

Weather in April

April in Monroe, Iowa, is a mild spring month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.5°F (15.3°C). Monroe's transition into April sees a rise in the average high-temperature, advancing from a frosty 46.8°F (8.2°C) in March to a refreshing 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Monroe, Iowa, with an average temperature ranging between min 52.9°F (11.6°C) and max 70°F (21.1°C). Monroe sees an increase in the average high-temperature with the arrival of May, moving from April's mild 59.5°F (15.3°C) to an agreeable 70°F (21.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Monroe, Iowa, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.6°F (17°C). June's arrival is marked by an increase in the average high-temperature, moving from a pleasant 70°F (21.1°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Monroe, Iowa, with an average temperature ranging between max 82.2°F (27.9°C) and min 65.1°F (18.4°C). July, with an average high of 82.2°F (27.9°C) and a low of 65.1°F (18.4°C), signifies the warmest month of the year. The heat index value for July is evaluated at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Monroe, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 81.1°F (27.3°C). On the advent of August, Monroe's average high-temperature exhibits a minor adjustment to a still moderately hot 81.1°F (27.3°C) from July's 82.2°F (27.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Monroe, is also a moderately hot month, with an average temperature ranging between min 55.9°F (13.3°C) and max 75.7°F (24.3°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 81.1°F (27.3°C) in August to a still warm 75.7°F (24.3°C). Weather in September »

Weather in October

October, like September, in Monroe, Iowa, is another comfortable autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 44.6°F (7°C). October is characterized by a clear drop in the average high-temperature, falling from September's warm 75.7°F (24.3°C) to an enjoyable 60.8°F (16°C). Weather in October »

Weather in November

November, the last month of the autumn in Monroe, is another chilly month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 46.9°F (8.3°C). November comes with a decrease in the average high-temperature, falling from a comfortable 60.8°F (16°C) in October to a frosty 46.9°F (8.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Monroe, Iowa, with an average temperature fluctuating between 22.5°F (-5.3°C) and 34.2°F (1.2°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 46.9°F (8.3°C) to an icy 34.2°F (1.2°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Monroe?

The coldest period in Monroe, Iowa, tends to be January, when average temperatures fluctuate between a high of 27.9°F (-2.3°C) and a low of 14.5°F (-9.7°C).

What is the most humid month in Monroe?

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

What is the driest month in Monroe?

The month with the least rainfall is January, when the rain falls for 3.9 days and typically collects 0.94" (24mm) of precipitation.

How many days does it rain in Monroe?

Throughout the year, there are 137 rainfall days, and 28.62" (727mm) of precipitation is accumulated.

When does it snow in Monroe?

January through May, October through December are months with snowfall in Monroe, Iowa.

How many days does it snow in Monroe?

In Monroe, during the entire year, snow falls for 36.4 days and aggregates up to 15.12" (384mm) of snow.

What is the month with the least sunshine in Monroe?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

When is the lowest UV index in Monroe?

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

What is the snowiest month in Monroe?

The month with the most snowfall in Monroe, Iowa, is February, when snow falls for 8.8 days and typically aggregates up to 4.49" (114mm) of snow.

When is Daylight Saving Time (DST) in Monroe?

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 in Monroe?

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 4.65" (118mm) of precipitation.

When it does not snow in Monroe?

In Monroe, snow does not fall in June through September.

When are the longest days in Monroe?

With an average of 15h and 6min of daylight, June has the longest days of the year in Monroe, Iowa.

When is the highest UV index in Monroe?

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

What time of the year is the hottest in Monroe?

With average temperatures fluctuating between a high of 82.2°F (27.9°C) and a low of 65.1°F (18.4°C), July stands out as the warmest month in Monroe, Iowa.

What month has the most sunshine in Monroe?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the least humid month in Monroe?

October is the least humid month, with an average relative humidity of 71%.

What is the month with the shortest days in Monroe?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Monroe.

Average temperature
Monroe, IA

Average temperature - Monroe, IA

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

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Average pressure
Monroe, IA

Average pressure - Monroe, IA

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Monroe, IA

Average wind speed - Monroe, IA

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity
Monroe, IA

Average humidity - Monroe, IA

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall
Monroe, IA

Average rainfall - Monroe, IA

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days
Monroe, IA

Average rainfall days - Monroe, IA

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall
Monroe, IA

Average snowfall - Monroe, IA

The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Monroe, IA

Average snowfall days - Monroe, IA

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Monroe, IA

Average daylight / Average sunshine - Monroe, IA

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

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 6min).

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Average sunshine days
Monroe, IA

Average sunshine days - Monroe, IA

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.3 days).

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Average visibility
Monroe, IA

Average visibility - Monroe, 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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Monroe, Iowa, USA

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