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, on average, is the coldest month, registering a high temperature of 34.5°F (1.4°C) and a low of 21.4°F (-5.9°C).Humidity
January and February, with an average relative humidity of 84%, are the most humid months in McMechen, West Virginia.Rainfall
In January, the rain falls for 11.4 days. Throughout January, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 186.2 rainfall days, and 35.16" (893mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall in McMechen is January, when snow falls for 15.7 days and typically aggregates up to 5.31" (135mm) of snow.Daylight
The average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3h of sunshine.UV index
The average daily maximum UV index in January in McMechen is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month in McMechen?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does McMechen have in January?
What is the UV index intensity in January?
Average temperature in January
McMechen, WV
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 21.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in January
McMechen, WV
- Average pressure in January: 30.12"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).
Average wind speed in January
McMechen, WV
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
McMechen, WV
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in January
McMechen, WV
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
McMechen, WV
- Average rainfall days in January: 11.4 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in January
McMechen, WV
- Average snowfall in January: 5.31"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
McMechen, WV
- Average snowfall days in January: 15.7 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
McMechen, WV
- 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: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
McMechen, WV
- Average sunshine days in January: 8.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in January
McMechen, WV
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
McMechen, WV
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
McMechen, WV
- 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).
McMechen, West Virginia, USA
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