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

Monthly weather forecast and climate
Columbia, CT

January, the same as December, is a wintry winter month in Columbia, Connecticut, with average temperature varying between 21.6°F (-5.8°C) and 33.4°F (0.8°C). January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

February, the last month of the winter, in Columbia, is another cold month, with average temperature varying between 22.5°F (-5.3°C) and 36.7°F (2.6°C). In February, the average high-temperature is relatively the same as in January - a still wintry 36.7°F (2.6°C). Weather in February »

March, the first month of the spring, in Columbia, is a chilly month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 43.7°F (6.5°C). In March, the average high-temperature slightly increases, from a cold 36.7°F (2.6°C) in February, to a chilly 43.7°F (6.5°C). Weather in March »

April is a mild spring month in Columbia, Connecticut, with average temperature ranging between max 55.9°F (13.3°C) and min 39.6°F (4.2°C). In Columbia, the average high-temperature in April rises, from a frosty 43.7°F (6.5°C) in March, to a mild 55.9°F (13.3°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Columbia, Connecticut, with average temperature fluctuating between 67.1°F (19.5°C) and 48.9°F (9.4°C). In May, the average high-temperature rises, from a mild 55.9°F (13.3°C) in April, to an enjoyable 67.1°F (19.5°C). Weather in May »

June, the first month of the summer, in Columbia, is a moderately hot month, with average temperature fluctuating between 74.8°F (23.8°C) and 56.3°F (13.5°C). In June, the average high-temperature marginally rises, from an enjoyable 67.1°F (19.5°C) in May, to a moderately hot 74.8°F (23.8°C). Weather in June »

July, like June, in Columbia, Connecticut, is another warm summer month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 63°F (17.2°C). With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C), July is the warmest month. In July, the average heat index is calculated to a tropical 88°F (31.1°C). Weather in July »

August, the last month of the summer, in Columbia, is another warm month, with average temperature fluctuating between 62.2°F (16.8°C) and 80.2°F (26.8°C). In Columbia, Connecticut, the average high-temperature in August is almost the same as in July - a still warm 80.2°F (26.8°C). Weather in August »

September, the first month of the autumn, in Columbia, is also an agreeable month, with average temperature fluctuating between 73.2°F (22.9°C) and 55.4°F (13°C). In Columbia, the average high-temperature slightly decreases, from a moderately hot 80.2°F (26.8°C) in August, to an agreeable 73.2°F (22.9°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Columbia, Connecticut, with average temperature varying between 61°F (16.1°C) and 46.4°F (8°C). In Columbia, the average high-temperature in October decreases, from an agreeable 73.2°F (22.9°C) in September, to an enjoyable 61°F (16.1°C). Weather in October »

November, the last month of the autumn, in Columbia, is another chilly month, with average temperature varying between 36.1°F (2.3°C) and 49.1°F (9.5°C). In November, the average high-temperature drops, from a comfortable 61°F (16.1°C) in October, to a frosty 49.1°F (9.5°C). Weather in November »

The first month of the winter, December, is also a wintry month in Columbia, Connecticut, with average temperature ranging between min 28.6°F (-1.9°C) and max 39.4°F (4.1°C). In Columbia, the average high-temperature decreases, from a chilly 49.1°F (9.5°C) in November, to a wintry 39.4°F (4.1°C). Weather in December »

What is the coldest month in Columbia?

January is the coldest month in Columbia, Connecticut, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

How much does it rain in Columbia?

Throughout the year, in Columbia, Connecticut, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.

When does it snow in Columbia?

Months with snowfall in Columbia are January through May, November and December.

How much does it snow in Columbia?

In Columbia, Connecticut, during the entire year, snow falls for 31.6 days, and aggregates up to 15.98" (406mm) of snow.

When is the lowest UV index in Columbia?

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

What are the most humid months in Columbia?

February and October, with an average relative humidity of 79%, are most humid months.

What is the snowiest month in Columbia?

March is the month with the most snowfall in Columbia. Snow falls for 7.3 days and accumulates 4.41" (112mm) of snow.

What is the least humid month in Columbia?

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

When it does not snow in Columbia?

In Columbia, Connecticut, snow does not fall in June through October.

When are the longest days in Columbia?

June has the longest days of the year in Columbia, Connecticut, with an average of 15.2h of daylight.

When is the highest UV index in Columbia?

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

What is the warmest month in Columbia?

The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C).

What month has the most sunshine in Columbia?

With an average of 10.3h of sunshine, August has the most sunshine of the year in Columbia, Connecticut.

What is the driest month in Columbia?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.

What is the wettest month in Columbia?

The month with the most rainfall in Columbia, Connecticut, is December when the rain falls for 11.5 days and typically aggregates up to 3.46" (88mm) of precipitation.

What is the month with the shortest days in Columbia?

With an average of 9.2h of daylight, December has the shortest days of the year in Columbia.

What is the month with the least sunshine in Columbia?

The month with the least sunshine is December, with an average of 4.7h of sunshine.
Average temperature - Columbia, CT
Average humidity - Columbia, CT
Average rainfall - Columbia, CT

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days - Columbia, CT

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).

Average snowfall - Columbia, CT
Average snowfall days - Columbia, CT

The month with the highest number of snowfall days is January (8.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine - Columbia, 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: 10.3h).
The month with the least sunshine is December (Average sunshine: 4.7h).

Average UV index - Columbia, CT