January weather forecast
Newtown, CT

Weather in January

January, like December, in Newtown, Connecticut, is another cold winter month, with an average temperature ranging between max 33.4°F (0.8°C) and min 22.6°F (-5.2°C).

Temperature

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).

Humidity

The average relative humidity in January is 76%.

Rainfall

The months with the least rainfall are January and September Rain falls for 9.1 days and accumulates 2.4" (61mm) of rain.

Snowfall

Months with snowfall in Newtown are January through May, October through December. In Newtown, snow falls for 9.2 days, with typically accumulated 3.5" (89mm) of snow. In Newtown, during the entire year, snow falls for 34.5 days and aggregates up to 17.01" (432mm) of snow.

Daylight

The average length of the day in January is 9h and 35min.
On the first day of January in Newtown, sunrise is at 7:19 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:07 pm EST.

Sunshine

In Newtown, the average sunshine in January is 5h.

UV index

The months with the lowest UV index in Newtown are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Newtown?

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).

What is the temperature in January in Newtown?

In January, the average high-temperature is 33.4°F (0.8°C), and the average low-temperature is 22.6°F (-5.2°C).

What is the average humidity in January in Newtown?

In Newtown, Connecticut, the average relative humidity in January is 76%.

What is the driest month in Newtown?

January and September are months with the least rain in Newtown, Connecticut, when the rain falls for 9.1 days and typically aggregates up to 2.4" (61mm) of rain.

How much does it rain in Newtown in January?

In Newtown, Connecticut, in January, it is raining for 9.1 days, with typically 2.4" (61mm) of accumulated precipitation.

How much does it snow in Newtown in January?

In Newtown, in January, snow falls for 9.2 days, with typically accumulated 3.5" (89mm) of snow.

How many hours of daylight does Newtown have in January?

The average day length in January in Newtown, Connecticut, is 9h and 35min.

When is the sunrise / sunset in January in Newtown?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:34 pm. On the last day of the month, in Newtown, sunrise is at 7:05 am and sunset at 5:07 pm EST.

How many hours of sunshine does Newtown have in January?

In Newtown, Connecticut, the average sunshine duration in January is 5h.

When is the lowest UV index in Newtown?

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

What is the UV index intensity in January in Newtown?

The average daily maximum UV index in January in Newtown, Connecticut, is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Newtown, CT

Average temperature in January - Newtown, CT
  • Average high temperature in January: 33.4°F

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).

  • Average low temperature in January: 22.6°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 in January
Newtown, CT

Average pressure in January - Newtown, CT
  • Average pressure in January: 30.04"Hg

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 in January
Newtown, CT

Average wind speed in January - Newtown, CT
  • Average wind speed in January: 8.5mph

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 humidity in January
Newtown, CT

Average humidity in January - Newtown, 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 (72%).

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Average rainfall in January
Newtown, CT

Average rainfall in January - Newtown, CT
  • Average rainfall in January: 2.4"

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 in January
Newtown, CT

Average rainfall days in January - Newtown, CT
  • Average rainfall days in January: 9.1 days

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 in January
Newtown, CT

Average snowfall in January - Newtown, CT
  • Average snowfall in January: 3.5"

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

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Average snowfall days in January
Newtown, CT

Average snowfall days in January - Newtown, CT
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is February (9.5 days).
The 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
Newtown, CT

Average daylight in January / Average sunshine in January - Newtown, CT
  • Average daylight in January: 9h and 35min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in January: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Newtown, CT

Average sunshine days in January - Newtown, CT
  • Average sunshine days in January: 16.3 days

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 in January
Newtown, CT

Average UV index in January - Newtown, CT
  • Average UV index in January: 2

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 cloud cover in January
Newtown, CT

Average cloud cover in January - Newtown, CT
  • Average cloud cover in January: 46

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Newtown, CT

Average visibility in January - Newtown, CT
  • Average visibility in January: 6mi

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

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