Monthly weather forecast and climate
Norwich, CT

Weather in January

January, the same as December, is a wintry winter month in Norwich, Connecticut, with average temperature varying between 23.4°F (-4.8°C) and 34.9°F (1.6°C). With an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 23.4°F (-4.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Norwich, is another cold month, with average temperature varying between 24.1°F (-4.4°C) and 37.8°F (3.2°C). In February, the average high-temperature is almost the same as in January - a still cold 37.8°F (3.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Norwich, is a frosty month, with average temperature varying between 44.2°F (6.8°C) and 31.1°F (-0.5°C). In Norwich, the average high-temperature in March slightly increases, from a cold 37.8°F (3.2°C) in February, to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April is a moderate spring month in Norwich, Connecticut, with average temperature varying between 40.6°F (4.8°C) and 55.9°F (13.3°C). In Norwich, Connecticut, the average high-temperature in April increases, from a chilly 44.2°F (6.8°C) in March, to a moderate 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Norwich, is an enjoyable month, with average temperature ranging between max 66.7°F (19.3°C) and min 50°F (10°C). In May, the average high-temperature increases, from a mild 55.9°F (13.3°C) in April, to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Norwich, is a moderately hot month, with average temperature varying between 57.4°F (14.1°C) and 74.5°F (23.6°C). In Norwich, the average high-temperature slightly increases, from a comfortable 66.7°F (19.3°C) in May, to a moderately hot 74.5°F (23.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Norwich, Connecticut, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64.6°F (18.1°C). July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.6°F (18.1°C). In July, the average heat index is evaluated at a hot 87.6°F (30.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Norwich, Connecticut, with average temperature ranging between min 63.1°F (17.3°C) and max 80.2°F (26.8°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Norwich, is still a pleasant month, with average temperature varying between 73.2°F (22.9°C) and 57.4°F (14.1°C). In September, 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 »

Weather in October

October, like September, in Norwich, Connecticut, is another enjoyable autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 48.2°F (9°C). In October, the average high-temperature drops, from a pleasant 73.2°F (22.9°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Norwich, is another cool month, with average temperature fluctuating between 38.1°F (3.4°C) and 50.2°F (10.1°C). In Norwich, the average high-temperature decreases, from a comfortable 61.7°F (16.5°C) in October, to a fresh 50.2°F (10.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Norwich, is still a cold month, with average temperature fluctuating between 29.8°F (-1.2°C) and 40.8°F (4.9°C). In Norwich, the average high-temperature decreases, from a cool 50.2°F (10.1°C) in November, to a cold 40.8°F (4.9°C). Weather in December »
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FAQ

What is the coldest month in Norwich?

With an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 23.4°F (-4.8°C), January is the coldest month in Norwich.

How many days does it rain in Norwich?

In Norwich, during the entire year, the rain falls for 156.4 days and collects up to 33.54" (852mm) of precipitation.

When does it snow in Norwich?

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

How much does it snow in Norwich?

Throughout the year, in Norwich, there are 26.4 snowfall days, and 11.14" (283mm) of snow is accumulated.

What is the month with the lowest UV index in Norwich?

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

What is the most humid month in Norwich?

February, June, July and September, with an average relative humidity of 78%, are most humid months.

What is the snowiest month in Norwich?

March is the month with the most snowfall in Norwich. Snow falls for 6 days and accumulates 3.43" (87mm) of snow.

What is the least humid month in Norwich?

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

When it does not snow in Norwich?

June through October are months without snowfall.

When are the longest days in Norwich?

June has the longest days of the year in Norwich, Connecticut, with an average of 15.1h of daylight.

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

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

What is the warmest month in Norwich?

The warmest month in Norwich, Connecticut, is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.6°F (18.1°C).

What are the months with the most sunshine in Norwich?

Months with the most sunshine in Norwich are July and August, with an average of 10.2h of sunshine.

What is the driest month in Norwich?

The month with the least rainfall in Norwich is September when the rain falls for 11.8 days and typically collects 1.61" (41mm) of precipitation.

What is the wettest month in Norwich?

The month with the most rainfall in Norwich is December when the rain falls for 11.3 days and typically aggregates up to 3.7" (94mm) of precipitation.

What is the month with the shortest days in Norwich?

The month with the shortest days is December, with an average of 9.2h of daylight.

What is the month with the least sunshine in Norwich?

December has the least sunshine of the year in Norwich, Connecticut, with an average of 4.6h of sunshine.

Average temperature
Norwich, CT

Average temperature - Norwich, CT

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.9°F).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure
Norwich, CT

Average pressure - Norwich, CT

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Norwich, CT

Average wind speed - Norwich, CT

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity
Norwich, CT

Average humidity - Norwich, CT

Months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall
Norwich, CT

Average rainfall - Norwich, CT

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days
Norwich, CT

Average rainfall days - Norwich, CT

Months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9 days).

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Average snowfall
Norwich, CT

Average snowfall - Norwich, CT

The month with the highest snowfall is March (3.43").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Norwich, CT

Average snowfall days - Norwich, CT

The month with the highest number of snowfall days is February (7.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Norwich, CT

Average daylight / Average sunshine - Norwich, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

Months with the most sunshine are July and August (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 4.6h).

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Average sunshine days
Norwich, CT

Average sunshine days - Norwich, CT

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index
Norwich, CT

Average UV index - Norwich, CT

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

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Average visibility
Norwich, CT

Average visibility - Norwich, CT

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

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