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

Monthly weather forecast and climate
Washington, CT

January, the same as December, in Washington, Connecticut, is another subzero cold winter month, with average temperature varying between 31.5°F (-0.3°C) and 19.8°F (-6.8°C). With an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Washington, is a cold month, with average temperature ranging between max 34.9°F (1.6°C) and min 20.7°F (-6.3°C). In February, the average high-temperature is almost the same as in January - a cold 34.9°F (1.6°C). Weather in February »

March, the first month of the spring, in Washington, is a frosty month, with average temperature varying between 28°F (-2.2°C) and 42.8°F (6°C). In March, the average high-temperature slightly increases, from a wintry 34.9°F (1.6°C) in February, to a frosty 42.8°F (6°C). Weather in March »

April is a moderate spring month in Washington, Connecticut, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 38.3°F (3.5°C). In Washington, the average high-temperature rises, from a frosty 42.8°F (6°C) in March, to a mild 55.8°F (13.2°C). Weather in April »

The last month of the spring, May, is a pleasant month in Washington, Connecticut, with average temperature ranging between min 47.8°F (8.8°C) and max 68°F (20°C). In Washington, the average high-temperature rises, from a mild 55.8°F (13.2°C) in April, to a pleasant 68°F (20°C). Weather in May »

June, the first month of the summer, in Washington, is a warm month, with average temperature ranging between min 55.6°F (13.1°C) and max 75.2°F (24°C). In Washington, the average high-temperature in June marginally rises, from a pleasant 68°F (20°C) in May, to a moderately hot 75.2°F (24°C). Weather in June »

July, the same as June, is a moderately hot summer month in Washington, Connecticut, with average temperature varying between 81.7°F (27.6°C) and 61.3°F (16.3°C). July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.3°F (16.3°C). The average heat index is appraised at a tropical 87.3°F (30.7°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Washington, Connecticut, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 59.9°F (15.5°C). In August, the average high-temperature is relatively the same as in July - a still warm 79.9°F (26.6°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Washington, Connecticut, with average temperature ranging between min 53.4°F (11.9°C) and max 72.3°F (22.4°C). In Washington, the average high-temperature in September marginally drops, from a warm 79.9°F (26.6°C) in August, to a pleasant 72.3°F (22.4°C). Weather in September »

October, like September, is a moderate autumn month in Washington, Connecticut, with average temperature fluctuating between 45°F (7.2°C) and 59.9°F (15.5°C). In Washington, the average high-temperature in October decreases, from a pleasant 72.3°F (22.4°C) in September, to a mild 59.9°F (15.5°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Washington, Connecticut, with average temperature fluctuating between 47.1°F (8.4°C) and 33.8°F (1°C). In November, the average high-temperature drops, from a mild 59.9°F (15.5°C) in October, to a frosty 47.1°F (8.4°C). Weather in November »

December, the first month of the winter, in Washington, is still a cold month, with average temperature fluctuating between 37°F (2.8°C) and 26.6°F (-3°C). In December, the average high-temperature drops, from a chilly 47.1°F (8.4°C) in November, to a wintry 37°F (2.8°C). Weather in December »

What is the coldest month in Washington?

With an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month.

How much does it rain in Washington?

In Washington, during the entire year, the rain falls for 161.7 days and collects up to 34.41" (874mm) of precipitation.

What is the driest month in Washington?

January is the month with the least rainfall. Rain falls for 7.7 days and accumulates 2.13" (54mm) of precipitation.

When does it snow in Washington?

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

How many days does it snow in Washington?

Throughout the year, in Washington, Connecticut, there are 38.3 snowfall days, and 19.84" (504mm) of snow is accumulated.

When is the lowest UV index in Washington?

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

What is the most humid month in Washington?

With an average relative humidity of 81%, February is the most humid month in Washington.

When does it snow the most in Washington?

The month with the most snowfall is February when snow falls for 10.5 days and typically aggregates up to 5.16" (131mm) of snow.

What is the month with the least sunshine in Washington?

February has the least sunshine of the year in Washington, Connecticut, with an average of 4.3h of sunshine.

What is the least humid month in Washington?

April is the least humid month in Washington, Connecticut, with an average relative humidity of 73%.

When it does not snow in Washington?

In Washington, Connecticut, snow does not fall in June through September.

When are the longest days in Washington?

With an average of 15.2h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Washington?

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

What is the warmest month in Washington?

The warmest month in Washington, Connecticut, is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.3°F (16.3°C).

What is the wettest month in Washington?

July is the month with the most rainfall in Washington. Rain falls for 18.3 days and accumulates 3.7" (94mm) of precipitation.

What month has the most sunshine in Washington?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

What is the month with the shortest days in Washington?

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

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.7 days).

Average snowfall - Washington, CT
Average snowfall days - Washington, CT

The month with the highest number of snowfall days is February (10.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Washington, 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 July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average UV index - Washington, CT