Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 38.7°F (3.7°C) and as low as 24.4°F (-4.2°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In Rock Creek, in January, it is raining for 8.1 days, with typically 1.26" (32mm) of accumulated precipitation. In Rock Creek, West Virginia, during the entire year, the rain falls for 135.9 days and collects up to 16.46" (418mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Rock Creek, it is snowing for 8.3 days. Throughout January, 1.89" (48mm) of snow is accumulated. Throughout the year, there are 30.3 snowfall days, and 8.66" (220mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 54min.On the first day of the month, sunrise is at 7:41 am and sunset at 5:17 pm. On the last day of January, in Rock Creek, West Virginia, sunrise is at 7:30 am and sunset at 5:47 pm EST.
Sunshine
January has the least sunshine of the year in Rock Creek, with an average of 4h of sunshine.UV index
The months with the lowest UV index in Rock Creek are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest month in Rock Creek?
How cold is January in Rock Creek?
What is the average humidity in January in Rock Creek?
How many days does it rain in January in Rock Creek?
How many days does it snow in January in Rock Creek?
How many hours of daylight does Rock Creek have in January?
When are sunrise and sunset in January in Rock Creek?
What is the month with the least sunshine in Rock Creek?
How long on average sun shines in January in Rock Creek?
What are the months with the lowest UV index in Rock Creek?
What is the UV index intensity in January in Rock Creek?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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