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
Dean's January weather, marked by an average high temperature of 35.4°F (1.9°C) and an average low temperature of 22.1°F (-5.5°C), is the coldest in the year.Humidity
In Dean, the average relative humidity in January is 83%.Rainfall
In Dean, in January, during 10.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Dean, during the entire year, the rain falls for 176.6 days and collects up to 25.91" (658mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall in Dean, West Virginia. Snow falls for 14.7 days and accumulates 3.19" (81mm) of snow.Daylight
The average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:43 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.3h of sunshine.UV index
In January, the average daily maximum UV index in Dean is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the coldest months in Dean?
How cold is it in Dean in January?
What is the average humidity in January in Dean?
How much does it rain in Dean in January?
When does it snow the most in Dean?
How many days does it snow in January in Dean?
What is the average length of the day in January in Dean?
What time are sunrise and sunset in January in Dean?
What is the month with the least sunshine in Dean?
How many hours of sunshine does Dean have in January?
What is the UV index reading in January in Dean?
Average temperature in January
Dean, WV
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in January
Dean, WV
- Average pressure in January: 30.13"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
Dean, 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 (4.2mph).
Average humidity in January
Dean, WV
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in January
Dean, WV
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Dean, WV
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in January
Dean, WV
- Average snowfall in January: 3.19"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dean, WV
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dean, WV
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Dean, WV
- Average sunshine days in January: 8.7 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in January
Dean, WV
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Dean, WV
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Dean, WV
- Average visibility in January: 4mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Dean, West Virginia, USA
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