January weather forecast
Somerset, PA

Weather in January

January, like December, is another subzero cold winter month in Somerset, Pennsylvania, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 30.7°F (-0.7°C).

Temperature

With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month.

Humidity

The months with the highest humidity in Somerset are January and February, with an average relative humidity of 87%.

Rainfall

In Somerset, during 8.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Somerset, there are 168.6 rainfall days, and 34.09" (866mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 15.3 days and typically aggregates up to 7.48" (190mm) of snow.

Daylight

The average length of the day in January in Somerset is 9h and 43min.
On the first day of January, sunrise is at 7:38 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:34 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 2.7h of sunshine.

UV index

In January, the average daily maximum UV index in Somerset, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from 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 Somerset?

With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month.

What is the most humid month in Somerset?

The months with the highest humidity are January and February, with an average relative humidity of 87%.

What is the average humidity in January in Somerset?

In January, the average relative humidity in Somerset is 87%.

How much does it rain in Somerset in January?

In Somerset, Pennsylvania, during January, the rain falls for 8.5 days and regularly aggregates up to 2.76" (70mm) of precipitation.

What is the snowiest month in Somerset?

January is the month with the most snowfall in Somerset, Pennsylvania. Snow falls for 15.3 days and accumulates 7.48" (190mm) of snow.

How many days does it snow in January in Somerset?

In Somerset, during January, snow falls for 15.3 days and regularly aggregates up to 7.48" (190mm) of snow.

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

In January, the average day length is 9h and 43min.

When are sunrise and sunset in January in Somerset?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:34 pm EST.

What is the month with the least sunshine in Somerset?

January has the least sunshine of the year in Somerset, Pennsylvania, with an average of 2.7h of sunshine.

How long on average sun shines in January in Somerset?

The average sunshine duration in January in Somerset is 2.7h.

What is the UV index intensity in January in Somerset?

In January, the average daily maximum UV index in Somerset is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Somerset, PA

Average temperature in January - Somerset, PA
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 18.3°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in January
Somerset, PA

Average pressure in January - Somerset, PA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
Somerset, PA

Average wind speed in January - Somerset, PA
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Somerset, PA

Average humidity in January - Somerset, PA
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and July (79%).

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Average rainfall in January
Somerset, PA

Average rainfall in January - Somerset, PA
  • Average rainfall in January: 2.76"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days in January
Somerset, PA

Average rainfall days in January - Somerset, PA
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in January
Somerset, PA

Average snowfall in January - Somerset, PA
  • Average snowfall in January: 7.48"

The month with the highest snowfall is January (7.48").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Somerset, PA

Average snowfall days in January - Somerset, PA
  • Average snowfall days in January: 15.3 days

The month with the highest number of snowfall days is January (15.3 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
Somerset, PA

Average daylight in January / Average sunshine in January - Somerset, PA
  • Average daylight in January: 9h and 43min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in January: 2h and 42min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in January
Somerset, PA

Average sunshine days in January - Somerset, PA
  • Average sunshine days in January: 9 days

The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in January
Somerset, PA

Average UV index in January - Somerset, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Somerset, PA

Average cloud cover in January - Somerset, PA
  • Average cloud cover in January: 74

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 41).

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Average visibility in January
Somerset, PA

Average visibility in January - Somerset, PA
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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