Climate and monthly weather forecast
Blue Hills, CT

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Weather in January

January, like December, in Blue Hills, Connecticut, is a wintry winter month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 33.1°F (0.6°C). With average temperatures fluctuating between a high of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C), January stands out as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Blue Hills, Connecticut, with an average temperature varying between 35.8°F (2.1°C) and 21.6°F (-5.8°C). With the advent of February, Blue Hills's high-temperatures adjust to a still cold 35.8°F (2.1°C), closely aligning with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Blue Hills, Connecticut, with an average temperature varying between 29.5°F (-1.4°C) and 43.9°F (6.6°C). March brings a slight elevation in the average high-temperature, transitioning from February's cold 35.8°F (2.1°C) to a chilly 43.9°F (6.6°C). Weather in March »

Weather in April

April in Blue Hills, Connecticut, is a mild spring month, with an average temperature ranging between min 39.9°F (4.4°C) and max 56.5°F (13.6°C). As April arrives, a rise in the average high-temperature is observed, moving from a frosty 43.9°F (6.6°C) in March to a mild 56.5°F (13.6°C). Weather in April »

Weather in May

May, the last month of the spring in Blue Hills, is a pleasant month, with an average temperature ranging between max 68.7°F (20.4°C) and min 49.5°F (9.7°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 56.5°F (13.6°C) to an agreeable 68.7°F (20.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Blue Hills, Connecticut, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 56.8°F (13.8°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from a pleasant 68.7°F (20.4°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »

Weather in July

July, like June, in Blue Hills, Connecticut, is another warm summer month, with an average temperature fluctuating between 82.9°F (28.3°C) and 63.7°F (17.6°C). In Blue Hills, temperatures reach their average annual highs in July, measuring 82.9°F (28.3°C) and a minimum average of 63.7°F (17.6°C). The average heat index in July is computed to be a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Blue Hills, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 81°F (27.2°C). With the arrival of August, Blue Hills's average high-temperature registers at a still moderately hot 81°F (27.2°C), indicating a subtle variation from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Blue Hills, is also a moderately hot month, with an average temperature varying between 55.2°F (12.9°C) and 73.4°F (23°C). In September, the average high-temperature marginally decreases from 81°F (27.2°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Blue Hills, Connecticut, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 46.8°F (8.2°C). The arrival of October corresponds with a shift in temperature, down from a moderately hot 73.4°F (23°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Blue Hills, is another chilly month, with an average temperature fluctuating between 36°F (2.2°C) and 48.9°F (9.4°C). November's onset brings a slight change in high-temperatures, falling from a refreshing 61.2°F (16.2°C) in October to a chilly 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Blue Hills, is also an icy month, with an average temperature fluctuating between 38.5°F (3.6°C) and 27.7°F (-2.4°C). December indicates a shift in the average high-temperature, from November's chilly 48.9°F (9.4°C) to a cold 38.5°F (3.6°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Blue Hills?

January stands out as Blue Hills's coldest month, with temperatures ranging between an average high of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C).

How many days does it rain in Blue Hills?

In Blue Hills, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.

When does it snow in Blue Hills?

Months with snowfall in Blue Hills, Connecticut, are January through May, November and December.

How much does it snow in Blue Hills?

In Blue Hills, during the entire year, snow falls for 21.5 days and aggregates up to 4.45" (113mm) of snow.

What is the month with the lowest UV index in Blue Hills?

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

What is the most humid month in Blue Hills?

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

What is the snowiest month in Blue Hills?

The month with the most snowfall in Blue Hills is February, when snow falls for 5.7 days and typically aggregates up to 1.14" (29mm) of snow.

What is the month with the least sunshine in Blue Hills?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Blue Hills?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Blue Hills, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Blue Hills?

The least humid month in Blue Hills, Connecticut, is April, with an average relative humidity of 70%.

What is the wettest month in Blue Hills?

The wettest months in Blue Hills are June and July, with an average 1.06" (27mm) of rainfall.

When it does not snow in Blue Hills?

In Blue Hills, snow does not fall in June through October.

When are the longest days in Blue Hills?

With an average of 15h and 12min of daylight, June has the longest days of the year.

What is the month with the highest UV index in Blue Hills?

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

What month is the hottest in Blue Hills?

Blue Hills, Connecticut, experiences its average highest temperatures in July, reaching a peak of 82.9°F (28.3°C) and a minimum of 63.7°F (17.6°C).

What are the months with the most sunshine in Blue Hills?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

What is the driest month in Blue Hills?

The month with the least rainfall is September, when the rain falls for 8.2 days and typically collects 0.43" (11mm) of precipitation.

What is the month with the shortest days in Blue Hills?

The month with the shortest days in Blue Hills is December, with an average of 9h and 12min of daylight.

Average temperature
Blue Hills, CT

Average temperature - Blue Hills, CT

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure
Blue Hills, CT

Average pressure - Blue Hills, CT

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

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Average wind speed
Blue Hills, CT

Average wind speed - Blue Hills, CT

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average rainfall
Blue Hills, CT

Average rainfall - Blue Hills, CT

The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days
Blue Hills, CT

Average rainfall days - Blue Hills, CT

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall
Blue Hills, CT

Average snowfall - Blue Hills, CT

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Blue Hills, CT

Average snowfall days - Blue Hills, CT

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Blue Hills, CT

Average daylight / Average sunshine - Blue Hills, CT

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Blue Hills, CT

Average sunshine days - Blue Hills, CT

The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).

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Average UV index
Blue Hills, CT

Average UV index - Blue Hills, CT

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

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Average visibility
Blue Hills, CT

Average visibility - Blue Hills, CT

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

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Blue Hills, Connecticut, USA

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