Monthly weather forecast and climate
Newtown, CT

Weather in January

January, like December, in Newtown, Connecticut, is a wintry winter month, with average temperature ranging between min 22.6°F (-5.2°C) and max 33.4°F (0.8°C). The coldest month is January, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 22.6°F (-5.2°C). Weather in January »

Weather in February

February, the last month of the winter, in Newtown, is also a wintry month, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 36.5°F (2.5°C). In February, the average high-temperature is essentially the same as in January - a still wintry 36.5°F (2.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Newtown, is a chilly month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 44.1°F (6.7°C). In March, the average high-temperature marginally rises, from a wintry 36.5°F (2.5°C) in February, to a frosty 44.1°F (6.7°C). Weather in March »

Weather in April

April in Newtown, Connecticut, is a mild spring month, with average temperature varying between 56.1°F (13.4°C) and 40.6°F (4.8°C). In April, the average high-temperature rises, from a frosty 44.1°F (6.7°C) in March, to a mild 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Newtown, is an enjoyable month, with average temperature fluctuating between 50.2°F (10.1°C) and 67.3°F (19.6°C). In Newtown, the average high-temperature increases, from a mild 56.1°F (13.4°C) in April, to an enjoyable 67.3°F (19.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Newtown, Connecticut, with average temperature fluctuating between 57.7°F (14.3°C) and 75.2°F (24°C). In Newtown, the average high-temperature slightly increases, from an enjoyable 67.3°F (19.6°C) in May, to a warm 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Newtown, Connecticut, with average temperature fluctuating between 82.2°F (27.9°C) and 64.9°F (18.3°C). July is the warmest month, with an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 64.9°F (18.3°C). In July, the average heat index is evaluated at a hot 88.3°F (31.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Newtown, is also a moderately hot month, with average temperature fluctuating between 80.2°F (26.8°C) and 63.5°F (17.5°C). In Newtown, Connecticut, the average high-temperature is relatively 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 Newtown, is still a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 57°F (13.9°C). In September, the average high-temperature marginally drops, from a moderately hot 80.2°F (26.8°C) in August, to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, like September, in Newtown, Connecticut, is another comfortable autumn month, with average temperature ranging between max 61.2°F (16.2°C) and min 47.8°F (8.8°C). In Newtown, Connecticut, the average high-temperature in October decreases, from an agreeable 73°F (22.8°C) in September, to an enjoyable 61.2°F (16.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Newtown, Connecticut, with average temperature varying between 36.5°F (2.5°C) and 48.7°F (9.3°C). In Newtown, the average high-temperature in November decreases, from an enjoyable 61.2°F (16.2°C) in October, to a chilly 48.7°F (9.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Newtown, is also a wintry month, with average temperature fluctuating between 29.3°F (-1.5°C) and 39.6°F (4.2°C). In December, the average high-temperature drops, from a frosty 48.7°F (9.3°C) in November, to a cold 39.6°F (4.2°C). Weather in December »
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FAQ

What is the coldest month in Newtown?

January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 22.6°F (-5.2°C).

How much does it rain in Newtown?

In Newtown, during the entire year, the rain falls for 169.7 days and collects up to 36.93" (938mm) of precipitation.

What is the driest month in Newtown?

Months with the least rainfall in Newtown, Connecticut, are January and September Rain falls for 9.1 days and accumulates 2.4" (61mm) of rain.

When does it snow in Newtown?

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

How many days does it snow in Newtown?

Throughout the year, in Newtown, Connecticut, there are 34.5 snowfall days, and 17.01" (432mm) of snow is accumulated.

What are the months with the lowest UV index in Newtown?

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

What is the most humid month in Newtown?

The most humid month is February, with an average relative humidity of 79%.

When does it snow the most in Newtown?

The month with the most snowfall is February when snow falls for 9.5 days and typically aggregates up to 4.37" (111mm) of snow.

What is the month with the least sunshine in Newtown?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Newtown.

What is the least humid month in Newtown?

With an average relative humidity of 72%, April is the least humid month.

When it does not snow in Newtown?

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

When are the longest days in Newtown?

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

When is the highest UV index in Newtown?

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

What is the warmest month in Newtown?

July is the warmest month, with an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 64.9°F (18.3°C).

What are the months with the most sunshine in Newtown?

Months with the most sunshine in Newtown are July and August, with an average of 10.3h of sunshine.

What is the rainiest month in Newtown?

December is the month with the most rainfall in Newtown, Connecticut. Rain falls for 12 days and accumulates 4.02" (102mm) of precipitation.

What is the month with the shortest days in Newtown?

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

Average temperature
Newtown, CT

Average temperature - Newtown, CT

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.4°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure
Newtown, CT

Average pressure - Newtown, CT

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

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Average wind speed
Newtown, CT

Average wind speed - Newtown, CT

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average rainfall
Newtown, CT

Average rainfall - Newtown, CT

The wettest month (with the highest rainfall) is December (4.02").
The driest months (with the least rainfall) are January and September (2.4").

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Average rainfall days
Newtown, CT

Average rainfall days - Newtown, CT

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall
Newtown, CT

Average snowfall - Newtown, CT

The month with the highest snowfall is February (4.37").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Newtown, CT

Average snowfall days - Newtown, CT

The month with the highest number of snowfall days is February (9.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Newtown, CT

Average daylight / Average sunshine - Newtown, 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: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Newtown, CT

Average sunshine days - Newtown, CT

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index
Newtown, CT

Average UV index - Newtown, 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
Newtown, CT

Average visibility - Newtown, CT

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

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