January weather forecast
Ulster, PA

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Weather in January

January, the same as December, in Ulster, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 17.8°F (-7.9°C) and 29.3°F (-1.5°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 29.3°F (-1.5°C) and as low as 17.8°F (-7.9°C).

Humidity

In Ulster, the average relative humidity in January is 82%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 15.9 days. Throughout January, 4.13" (105mm) of snow is accumulated. Throughout the year, there are 67.5 snowfall days, and 20.75" (527mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 33min.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:19 pm EST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 3.2h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 1 in January leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What part of the year is the coldest?

In Ulster, the lowest temperatures are generally noted in January, averaging a high of 29.3°F (-1.5°C) and a low of 17.8°F (-7.9°C).

How cold is it in January?

The high-temperature during January is 29.3°F (-1.5°C) and the low-temperature is 17.8°F (-7.9°C).

What is the average humidity in January?

The average relative humidity in January is 82%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.38" (35mm) of precipitation.

How much does it rain in January?

In Ulster, in January, it is raining for 7.3 days, with typically 1.38" (35mm) of accumulated precipitation.

How many days does it snow in January in Ulster?

In Ulster, in January, during 15.9 snowfall days, 4.13" (105mm) of snow is typically accumulated.

How many hours of daylight does Ulster have in January?

In January, the average day length is 9h and 33min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:33 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:19 pm EST.

What is the month with the least sunshine?

January, February and December, with an average of 3.2h of sunshine, are months with the least sunshine.

How many hours of sunshine does Ulster have in January?

In January, the average sunshine duration is 3.2h.

What is the month with the lowest UV index in Ulster?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January?

In Ulster, the average daily maximum UV index in January is 1. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Ulster, PA

Average temperature in January - Ulster, PA
  • Average high temperature in January: 29.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in January: 17.8°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in January
Ulster, PA

Average pressure in January - Ulster, PA
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Ulster, PA

Average wind speed in January - Ulster, PA
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Ulster, PA

Average humidity in January - Ulster, PA
  • Average humidity in January: 82%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in January
Ulster, PA

Average rainfall in January - Ulster, PA
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in January
Ulster, PA

Average rainfall days in January - Ulster, PA
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in January
Ulster, PA

Average snowfall in January - Ulster, PA
  • Average snowfall in January: 4.13"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Ulster, PA

Average snowfall days in January - Ulster, PA
  • Average snowfall days in January: 15.9 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Ulster, PA

Average daylight in January / Average sunshine in January - Ulster, PA
  • 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 12min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).

Average sunshine days in January
Ulster, PA

Average sunshine days in January - Ulster, PA
  • Average sunshine days in January: 11 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in January
Ulster, PA

Average UV index in January - Ulster, PA
  • Average UV index in January: 1

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

Average cloud cover in January
Ulster, PA

Average cloud cover in January - Ulster, PA
  • Average cloud cover in January: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in January
Ulster, PA

Average visibility in January - Ulster, PA
  • Average visibility in January: 5mi

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

Ulster, Pennsylvania, USA

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