Marion
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Marion, CT

January, like December, in Marion, Connecticut, is a wintry winter month, with average temperature fluctuating between 21.9°F (-5.6°C) and 33.6°F (0.9°C). The coldest month is January, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.9°F (-5.6°C). Weather in January »

The last month of the winter, February, is another cold month in Marion, Connecticut, with average temperature ranging between max 37°F (2.8°C) and min 22.8°F (-5.1°C). In Marion, the average high-temperature is relatively the same as in January - a still wintry 37°F (2.8°C). Weather in February »

March, the first month of the spring, in Marion, is a frosty month, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 44.6°F (7°C). In March, the average high-temperature marginally rises, from a cold 37°F (2.8°C) in February, to a chilly 44.6°F (7°C). Weather in March »

April in Marion, Connecticut, is a mild spring month, with average temperature varying between 39.9°F (4.4°C) and 56.8°F (13.8°C). In April, the average high-temperature rises, from a chilly 44.6°F (7°C) in March, to a mild 56.8°F (13.8°C). Weather in April »

The last month of the spring, May, is a pleasant month in Marion, Connecticut, with average temperature fluctuating between 49.6°F (9.8°C) and 68.5°F (20.3°C). In May, the average high-temperature increases, from a moderate 56.8°F (13.8°C) in April, to a pleasant 68.5°F (20.3°C). Weather in May »

June, the first month of the summer, in Marion, is a moderately hot month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 76.1°F (24.5°C). In Marion, Connecticut, the average high-temperature slightly increases, from a pleasant 68.5°F (20.3°C) in May, to a moderately hot 76.1°F (24.5°C). Weather in June »

July, the same as June, is another warm summer month in Marion, Connecticut, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 64°F (17.8°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C). In July, the average heat index is calculated to a tropical 90°F (32.2°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Marion, Connecticut, with average temperature ranging between max 80.8°F (27.1°C) and min 63°F (17.2°C). In August, the average high-temperature is almost the same as in July - a still warm 80.8°F (27.1°C). Weather in August »

September, the first month of the autumn, in Marion, is also a moderately hot month, with average temperature fluctuating between 73.6°F (23.1°C) and 56.3°F (13.5°C). In Marion, the average high-temperature in September slightly decreases, from a moderately hot 80.8°F (27.1°C) in August, to a still warm 73.6°F (23.1°C). Weather in September »

October, the same as September, is another comfortable autumn month in Marion, Connecticut, with average temperature ranging between min 47.1°F (8.4°C) and max 61.7°F (16.5°C). In October, the average high-temperature drops, from a warm 73.6°F (23.1°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

November, the last month of the autumn, in Marion, is another chilly month, with average temperature ranging between min 36.5°F (2.5°C) and max 49.1°F (9.5°C). In November, the average high-temperature decreases, from an enjoyable 61.7°F (16.5°C) in October, to a chilly 49.1°F (9.5°C). Weather in November »

December, the first month of the winter, in Marion, is still a cold month, with average temperature ranging between min 29.1°F (-1.6°C) and max 39.7°F (4.3°C). In Marion, the average high-temperature drops, from a frosty 49.1°F (9.5°C) in November, to a wintry 39.7°F (4.3°C). Weather in December »

What is the coldest month in Marion?

January is the coldest month, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.9°F (-5.6°C).

How many days does it rain in Marion?

In Marion, during the entire year, the rain falls for 162.7 days and collects up to 34.57" (878mm) of precipitation.

When does it snow in Marion?

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

How many days does it snow in Marion?

In Marion, Connecticut, during the entire year, snow falls for 30 days, and aggregates up to 15.28" (388mm) of snow.

When is the lowest UV index in Marion?

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

What is the most humid month in Marion?

February is the most humid month in Marion, with an average relative humidity of 79%.

What is the month with the least sunshine in Marion?

February has the least sunshine of the year in Marion, with an average of 4.5h of sunshine.

When does it snow the most in Marion?

March is the month with the most snowfall. Snow falls for 6.5 days and accumulates 4.06" (103mm) of snow.

What is the least humid month in Marion?

With an average relative humidity of 71%, April is the least humid month in Marion.

When it does not snow in Marion?

In Marion snow does not fall in June through October.

When are the longest days in Marion?

The month with the longest days in Marion, Connecticut, is June, with an average of 15.2h of daylight.

What are the months with the highest UV index in Marion?

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

What is the warmest month in Marion?

July is the warmest month in Marion, Connecticut, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C).

What month has the most sunshine in Marion?

August has the most sunshine of the year in Marion, with an average of 10.2h of sunshine.

What is the driest month in Marion?

The month with the least rainfall is September when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.

What is the rainiest month in Marion?

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.82" (97mm) of precipitation.

What is the month with the shortest days in Marion?

The month with the shortest days in Marion, Connecticut, is December, with an average of 9.2h of daylight.
Average rainfall - Marion, CT

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days - Marion, CT

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

Average snowfall - Marion, CT
Average snowfall days - Marion, CT

The month with the highest number of snowfall days is February (8.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Marion, CT

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average UV index - Marion, CT