January weather forecast
Worcester, PA

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Weather in January

January, like December, in Worcester, Pennsylvania, is a wintry winter month, with an average temperature varying between 23.5°F (-4.7°C) and 35.6°F (2°C).

Temperature

In Worcester, the month of January is known for its lowest average temperatures, reaching a high of 35.6°F (2°C) and a low of 23.5°F (-4.7°C).

Humidity

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

Rainfall

In Worcester, in January, it is raining for 6.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Worcester, in January, snow falls for 4.6 days, with typically accumulated 0.71" (18mm) of snow. In Worcester, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.

Daylight

In Worcester, the average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:18 pm EST.

Sunshine

In Worcester, the average sunshine in January is 4.9h.

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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 2 in January translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

With average temperatures fluctuating between a high of 35.6°F (2°C) and a low of 23.5°F (-4.7°C), January stands out as the coldest month.

How cold is January?

In Worcester, in January, the average high-temperature is 35.6°F (2°C), and the average low-temperature is 23.5°F (-4.7°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in January?

In Worcester, during January, the rain falls for 6.3 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How much does it snow in January?

In Worcester, during January, snow falls for 4.6 days and regularly aggregates up to 0.71" (18mm) of snow.

How many hours of daylight does Worcester have in January?

The average day length in January is 9h and 42min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:18 pm EST.

How many hours of sunshine does Worcester have in January?

The average sunshine duration in January is 4.9h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Worcester, 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
Worcester, PA

Average temperature in January - Worcester, PA
  • Average high temperature in January: 35.6°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in January
Worcester, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Worcester, PA

Average wind speed in January - Worcester, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Worcester, PA

Average humidity in January - Worcester, PA
  • Average humidity in January: 76%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in January
Worcester, PA

Average rainfall in January - Worcester, PA
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in January
Worcester, PA

Average rainfall days in January - Worcester, PA
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in January
Worcester, PA

Average snowfall in January - Worcester, PA
  • Average snowfall in January: 0.71"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Worcester, PA

Average snowfall days in January - Worcester, PA
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Worcester, PA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 5min

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

Average sunshine days in January
Worcester, PA

Average sunshine days in January - Worcester, PA
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in January
Worcester, PA

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in January
Worcester, PA

Average cloud cover in January - Worcester, PA
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Worcester, PA

Average visibility in January - Worcester, PA
  • Average visibility in January: 6mi

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

Worcester, Pennsylvania, USA

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