Climate and monthly weather forecast
Monroe, CT

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Weather in January

January, like December, in Monroe, Connecticut, is another cold winter month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 33.8°F (1°C). January, noted for its average high-temperature of 33.8°F (1°C) and an average low-temperature of 23.2°F (-4.9°C), is considered the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Monroe, Connecticut, with an average temperature varying between 24.1°F (-4.4°C) and 37°F (2.8°C). Monroe, Connecticut, registers an average high-temperature of a still icy 37°F (2.8°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Monroe, Connecticut, with an average temperature fluctuating between 30.9°F (-0.6°C) and 44.1°F (6.7°C). In March, the meteorological conditions subtly change with the average high-temperature edging from a wintry 37°F (2.8°C) in February to a frosty 44.1°F (6.7°C). Weather in March »

Weather in April

April in Monroe, Connecticut, is a refreshing spring month, with an average temperature fluctuating between 41.2°F (5.1°C) and 56.3°F (13.5°C). As April sets, the average high-temperature shows an increase, moving up from a frosty 44.1°F (6.7°C) in March to a refreshing 56.3°F (13.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Monroe, Connecticut, with an average temperature varying between 67.1°F (19.5°C) and 50.5°F (10.3°C). As April transitions into May, Monroe sees a rise in the average high-temperature, moving from a refreshing 56.3°F (13.5°C) to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Monroe, Connecticut, with an average temperature varying between 58.6°F (14.8°C) and 75.7°F (24.3°C). Monroe in June experiences a slight uptick in the average high-temperature, adjusting from May's refreshing 67.1°F (19.5°C) to a warm 75.7°F (24.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Monroe, Connecticut, with an average temperature ranging between min 65.3°F (18.5°C) and max 82°F (27.8°C). With average high and low temperatures of 82°F (27.8°C) and 65.3°F (18.5°C) respectively, July is Monroe's warmest month. The heat index value for July is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Monroe, Connecticut, with an average temperature ranging between min 64°F (17.8°C) and max 80.4°F (26.9°C). Monroe, Connecticut, observes a minor difference in average high-temperatures between July's 82°F (27.8°C) and August's 80.4°F (26.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Monroe, Connecticut, with an average temperature fluctuating between 57.7°F (14.3°C) and 73.4°F (23°C). The arrival of September signals a subtle shift in temperature, down from a warm 80.4°F (26.9°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »

Weather in October

October, like September, in Monroe, Connecticut, is another enjoyable autumn month, with an average temperature ranging between max 61.5°F (16.4°C) and min 48.6°F (9.2°C). A shift in Monroe's weather is observed as September turns into October, with the average high temperature reducing from a warm 73.4°F (23°C) to an enjoyable 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Monroe, Connecticut, with an average temperature fluctuating between 49.1°F (9.5°C) and 37.6°F (3.1°C). Monroe's transition into November involves a shift in temperature, receding from a comfortable 61.5°F (16.4°C) in October to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

December, the first month of the winter in Monroe, is also a wintry month, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 29.7°F (-1.3°C). The onset of December brings a small change in high-temperatures, falling from a chilly 49.1°F (9.5°C) in November to a cold 39.9°F (4.4°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Monroe?

Monroe experiences its lowest temperatures in January, with an average peak of 33.8°F (1°C) and a low of 23.2°F (-4.9°C).

What is the driest month?

January and February are months with the least rain when the rain falls for 5.3 days and typically aggregates up to 0.47" (12mm) of rain.

How much does it rain?

Throughout the year, there are 118.8 rainfall days, and 9.61" (244mm) of precipitation is accumulated.

When does it snow?

January through March, November and December are months with snowfall.

How much does it snow?

In Monroe, during the entire year, snow falls for 18.8 days and aggregates up to 2.05" (52mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month?

The most humid month in Monroe, Connecticut, is February, with an average relative humidity of 78%.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month?

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

When it does not snow?

April through October are months without snowfall.

When are the longest days?

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

When is the highest UV index?

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

What is the warmest month?

In Monroe, July is the month with the highest recorded average temperatures, measuring a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.22" (31mm) of precipitation.

What are the months with the most sunshine?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 3.3 days and typically aggregates up to 0.55" (14mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Monroe, CT

Average temperature - Monroe, CT

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°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 (23.2°F).

Average pressure
Monroe, CT

Average pressure - Monroe, CT

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Monroe, CT

Average wind speed - Monroe, CT

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity
Monroe, CT

Average humidity - Monroe, CT

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Monroe, CT

Average rainfall - Monroe, CT

The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are January and February (0.47").

Average rainfall days
Monroe, CT

Average rainfall days - Monroe, CT

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall
Monroe, CT

Average snowfall - Monroe, CT

The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Monroe, CT

Average snowfall days - Monroe, CT

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Monroe, CT

Average daylight / Average sunshine - Monroe, CT

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 18min).

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days
Monroe, CT

Average sunshine days - Monroe, CT

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (13.9 days).

Average UV index
Monroe, CT

Average UV index - Monroe, CT

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Monroe, CT

Average visibility - Monroe, CT

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

Monroe, Connecticut, USA

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