January weather forecast
Rock Creek, WV

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Weather in January

January, like December, in Rock Creek, West Virginia, is another cold winter month, with temperature in the range of an average low of 24.4°F (-4.2°C) and an average high of 38.7°F (3.7°C).

Temperature

January, characterized by an average high temperature of 38.7°F (3.7°C) and a low temperature of 24.4°F (-4.2°C), is generally the coldest month.

Humidity

The average relative humidity in January in Rock Creek is 82%.

Rainfall

In Rock Creek, in January, during 8.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 135.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Rock Creek, in January, during 8.3 snowfall days, 1.89" (48mm) of snow is typically accumulated. In Rock Creek, West Virginia, during the entire year, snow falls for 30.3 days and aggregates up to 8.66" (220mm) of snow.

Daylight

In January, the average length of the day is 9h and 54min.
On the first day of January in Rock Creek, sunrise is at 7:41 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:47 pm EST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Rock Creek experiences its lowest temperatures in January, with an average peak of 38.7°F (3.7°C) and a low of 24.4°F (-4.2°C).

How cold is it in Rock Creek in January?

In Rock Creek, in January, the average high-temperature is 38.7°F (3.7°C), and the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in January?

In January, the average relative humidity is 82%.

How much does it rain in January?

In Rock Creek, in January, during 8.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Rock Creek, in January, snow falls for 8.3 days, with typically accumulated 1.89" (48mm) of snow.

What is the average length of the day in January?

In Rock Creek, the average day length in January is 9h and 54min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:41 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:47 pm EST.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Rock Creek have in January?

The average sunshine duration in January is 4h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Rock Creek, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Rock Creek, WV

Average temperature in January - Rock Creek, WV
  • Average high temperature in January: 38.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in January: 24.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in January
Rock Creek, WV

Average pressure in January - Rock Creek, WV
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in January
Rock Creek, WV

Average wind speed in January - Rock Creek, WV
  • Average wind speed in January: 7mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in January
Rock Creek, WV

Average humidity in January - Rock Creek, WV
  • Average humidity in January: 82%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

Average rainfall in January
Rock Creek, WV

Average rainfall in January - Rock Creek, WV
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in January
Rock Creek, WV

Average rainfall days in January - Rock Creek, WV
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in January
Rock Creek, WV

Average snowfall in January - Rock Creek, WV
  • Average snowfall in January: 1.89"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Rock Creek, WV

Average snowfall days in January - Rock Creek, WV
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Rock Creek, WV

Average daylight in January / Average sunshine in January - Rock Creek, WV
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in January
Rock Creek, WV

Average sunshine days in January - Rock Creek, WV
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in January
Rock Creek, WV

Average UV index in January - Rock Creek, WV
  • 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, November and December (UV index 2).

Average cloud cover in January
Rock Creek, WV

Average cloud cover in January - Rock Creek, WV
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in January
Rock Creek, WV

Average visibility in January - Rock Creek, WV
  • Average visibility in January: 5mi

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

Rock Creek, West Virginia, USA

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