January weather forecast and climate
Blue Hills, CT

Weather in January

January, like December, in Blue Hills, Connecticut, is a wintry winter month, with average temperature fluctuating between 21.4°F (-5.9°C) and 33.1°F (0.6°C).

Temperature

January is the coldest month, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°C).

Humidity

The average relative humidity in Blue Hills is 76%.

Rainfall

In Blue Hills, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation. In Blue Hills, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Blue Hills. In January, in Blue Hills, it is snowing for 5.5 days. Throughout January, 0.91" (23mm) of snow is accumulated. Throughout the year, in Blue Hills, Connecticut, there are 21.5 snowfall days, and 4.45" (113mm) of snow is accumulated.

Daylight

In Blue Hills, the average length of the day is 9.6h.

Sunshine

The average sunshine in Blue Hills is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Blue Hills?

With an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°C), January is the coldest month in Blue Hills, Connecticut.

What is the temperature in January in Blue Hills?

In Blue Hills, Connecticut, in January, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 21.4°F (-5.9°C).

What is the average humidity in January in Blue Hills?

In January, the average relative humidity in Blue Hills is 76%.

How much does it rain in Blue Hills in January?

In Blue Hills, during January, the rain falls for 6.9 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many days does it snow in January in Blue Hills?

In January, in Blue Hills, it is snowing for 5.5 days. Throughout January, 0.91" (23mm) of snow is accumulated.

How many hours of daylight does Blue Hills have in January?

In January, the average length of the day in Blue Hills is 9.6h.

How long on average sun shines in January in Blue Hills?

In January, the average sunshine in Blue Hills is 5.1h.

When is the lowest UV index in Blue Hills?

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

How high is the UV index in January in Blue Hills?

In Blue Hills, Connecticut, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in January
Blue Hills, CT

Average temperature in January - Blue Hills, CT
  • Average high temperature in January: 33.1°F

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).

  • Average low temperature in January: 21.4°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 in January
Blue Hills, CT

Average pressure in January - Blue Hills, CT
  • Average pressure in January: 30.03"

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 in January
Blue Hills, CT

Average wind speed in January - Blue Hills, CT
  • Average wind speed in January: 8.1mph

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 humidity in January
Blue Hills, CT

Average humidity in January - Blue Hills, CT
  • Average humidity in January: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in January
Blue Hills, CT

Average rainfall in January - Blue Hills, CT
  • Average rainfall in January: 0.63"

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 in January
Blue Hills, CT

Average rainfall days in January - Blue Hills, CT
  • Average rainfall days in January: 6.9 days

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 in January
Blue Hills, CT

Average snowfall in January - Blue Hills, CT
  • Average snowfall in January: 0.91"

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

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Average snowfall days in January
Blue Hills, CT

Average snowfall days in January - Blue Hills, CT
  • Average snowfall days in January: 5.5 days

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

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Average daylight in January /
Average sunshine in January
Blue Hills, CT

Average daylight in January / Average sunshine in January - Blue Hills, CT
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 5.1h

Months with the most sunshine are July and August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in January
Blue Hills, CT

Average sunshine days in January - Blue Hills, CT
  • Average sunshine days in January: 20.4 days

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 in January
Blue Hills, CT

Average UV index in January - Blue Hills, CT
  • Average UV index in January: 2

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 cloud cover in January
Blue Hills, CT

Average cloud cover in January - Blue Hills, CT
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Blue Hills, CT

Average visibility in January - Blue Hills, CT
  • Average visibility in January: 6mi

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

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