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
In Tristan, January is the coldest month, with temperatures averaging a high of 37.8°F (3.2°C) and a low of 24.3°F (-4.3°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 82%.Rainfall
In Tristan, in January, it is raining for 11.9 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 186.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 14 days and accumulates 5.39" (137mm) of snow.Daylight
In Tristan, the average length of the day in January is 9h and 49min.On the first day of January, sunrise is at 7:43 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:44 pm EST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Tristan 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 unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine in Tristan?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Tristan, WV
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Tristan, WV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Tristan, WV
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Tristan, WV
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in January
Tristan, WV
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Tristan, WV
- Average rainfall days in January: 11.9 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in January
Tristan, WV
- Average snowfall in January: 5.39"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Tristan, WV
- Average snowfall days in January: 14 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Tristan, WV
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 4min
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 36min).
Average sunshine days in January
Tristan, WV
- Average sunshine days in January: 8.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in January
Tristan, WV
- Average UV index in January: 2
The months with the highest UV index are 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
Tristan, WV
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Tristan, WV
- Average visibility in January: 4mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Tristan, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location