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
Mason's January weather, with an average high temperature of 37.2°F (2.9°C) and an average low temperature of 23.9°F (-4.5°C), tends to be the coldest of the year.Humidity
The months with the highest humidity in Mason, West Virginia, are January and February, with an average relative humidity of 82%.Rainfall
In Mason, in January, it is raining for 11.3 days, with typically 2.32" (59mm) of accumulated precipitation. In Mason, during the entire year, the rain falls for 172.1 days and collects up to 33.03" (839mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Mason, during January, snow falls for 11.8 days and regularly aggregates up to 3.39" (86mm) of snow. In Mason, during the entire year, snow falls for 40.2 days and aggregates up to 13.62" (346mm) of snow.Daylight
In Mason, the average length of the day in January is 9h and 48min.On the first day of the month, sunrise is at 7:46 am and sunset at 5:16 pm. On the last day of January, in Mason, sunrise is at 7:35 am and sunset at 5:47 pm EST.
Sunshine
January has the least sunshine of the year in Mason, West Virginia, with an average of 3.5h of sunshine.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the coldest time of year in Mason?
How cold is it in Mason in January?
What is the most humid month in Mason?
What is the average humidity in January in Mason?
How much does it rain in Mason in January?
How many days does it snow in January in Mason?
What is the average length of the day in January in Mason?
What time are sunrise and sunset in January in Mason?
What is the month with the least sunshine in Mason?
How many hours of sunshine does Mason have in January?
What is the month with the lowest UV index in Mason?
What is the UV index intensity in January in Mason?
Average temperature in January
Mason, WV
- Average high temperature in January: 37.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Mason, WV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Mason, WV
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Mason, WV
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in January
Mason, WV
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Mason, WV
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in January
Mason, WV
- Average snowfall in January: 3.39"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mason, WV
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mason, WV
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Mason, WV
- Average sunshine days in January: 11.1 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in January
Mason, 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
Mason, WV
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Mason, 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).
Mason, West Virginia, USA
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