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, characterized by an average high temperature of 39.7°F (4.3°C) and a low temperature of 26.1°F (-3.3°C), is generally the coldest month.Humidity
In Mellville, West Virginia, the average relative humidity in January is 81%.Rainfall
In January, the rain falls for 12.4 days. Throughout January, 2.72" (69mm) of precipitation is accumulated. In Mellville, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.Snowfall
Months with snowfall in Mellville are January through May, October through December. January is the month with the most snowfall. Snow falls for 11.6 days and accumulates 4.53" (115mm) of snow.Daylight
In Mellville, the average length of the day in January is 9h and 54min.On the first day of the month, sunrise is at 7:43 am and sunset at 5:19 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:49 pm EST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Mellville are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What time of the year is the coldest in Mellville?
Is it cold in Mellville during January?
What is the average humidity in January in Mellville?
How many days does it rain in January in Mellville?
What is the snowiest month in Mellville?
How many days does it snow in January in Mellville?
What is the average length of the day in January in Mellville?
What time are sunrise and sunset in January in Mellville?
What is the month with the least sunshine in Mellville?
How many hours of sunshine does Mellville have in January?
When is the lowest UV index in Mellville?
How high is the UV index in January in Mellville?
Average temperature in January
Mellville, WV
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Mellville, 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
Mellville, WV
- Average wind speed in January: 6.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Mellville, WV
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall in January
Mellville, WV
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Mellville, WV
- Average rainfall days in January: 12.4 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in January
Mellville, WV
- Average snowfall in January: 4.53"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mellville, WV
- Average snowfall days in January: 11.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mellville, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Mellville, WV
- Average sunshine days in January: 10.4 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in January
Mellville, 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 and December (UV index 2).
Average cloud cover in January
Mellville, 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 33).
Average visibility in January
Mellville, 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).
Mellville, West Virginia, USA
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