January weather forecast
Needham, MA

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Weather in January

January, the same as December, is an icy winter month in Needham, Massachusetts, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 33.6°F (0.9°C).

Temperature

January is the month when Needham, Massachusetts, experiences its coldest temperatures, averaging a high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

In January, the rain falls for 5.7 days. Throughout January, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 85.9 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In January, it is snowing for 4.9 days. Throughout January, 0.39" (10mm) of snow is accumulated. In Needham, during the entire year, snow falls for 18.8 days and aggregates up to 3.15" (80mm) of snow.

Daylight

The average length of the day in January in Needham is 9h and 31min.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of January, sunrise is at 6:59 am and sunset at 4:57 pm EST.

Sunshine

In January, the average sunshine in Needham is 5.2h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What part of the year is the coldest in Needham?

January is the month when Needham experiences its coldest temperatures, averaging a high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C).

How cold is January in Needham?

Needham in January has an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.7°F (-5.7°C).

What is the average humidity in January in Needham?

In January, the average relative humidity in Needham, Massachusetts, is 77%.

How much does it rain in Needham in January?

In Needham, in January, during 5.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How many days does it snow in January in Needham?

In Needham, in January, during 4.9 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the average length of the day in January in Needham?

In January, the average day length in Needham is 9h and 31min.

When is the sunrise / sunset in January in Needham?

On the first day of January in Needham, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:57 pm EST.

How long on average sun shines in January in Needham?

In January, the average sunshine duration in Needham is 5.2h.

When is the lowest UV index in Needham?

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

How high is the UV index in January in Needham?

In Needham, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Needham, MA

Average temperature in January - Needham, MA
  • Average high temperature in January: 33.6°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in January: 21.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in January
Needham, MA

Average pressure in January - Needham, MA
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Needham, MA

Average wind speed in January - Needham, MA
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in January
Needham, MA

Average humidity in January - Needham, MA
  • Average humidity in January: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in January
Needham, MA

Average rainfall in January - Needham, MA
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in January
Needham, MA

Average rainfall days in January - Needham, MA
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in January
Needham, MA

Average snowfall in January - Needham, MA
  • Average snowfall in January: 0.39"

The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Needham, MA

Average snowfall days in January - Needham, MA
  • Average snowfall days in January: 4.9 days

The month with the highest number of snowfall days is January (4.9 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
Needham, MA

Average daylight in January / Average sunshine in January - Needham, MA
  • Average daylight in January: 9h and 3min

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 6min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in January
Needham, MA

Average sunshine days in January - Needham, MA
  • Average sunshine days in January: 22.5 days

The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).

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Average UV index in January
Needham, MA

Average UV index in January - Needham, MA
  • 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
Needham, MA

Average cloud cover in January - Needham, MA
  • Average cloud cover in January: 44

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Needham, MA

Average visibility in January - Needham, MA
  • Average visibility in January: 6mi

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

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Needham, Massachusetts, USA

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