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 Grantsville, January is the month with the lowest recorded average temperatures, measuring a high of 37°F (2.8°C) and a low of 24.3°F (-4.3°C).Humidity
The months with the highest humidity in Grantsville are January and February, with an average relative humidity of 83%.Rainfall
In Grantsville, in January, during 12.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 189.9 rainfall days, and 38.19" (970mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Grantsville. The month with the most snowfall is January, when snow falls for 15.4 days and typically aggregates up to 6.22" (158mm) of snow.Daylight
In Grantsville, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:12 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:43 pm EST.
Sunshine
With an average of 3.4h of sunshine, January has the least sunshine of the year in Grantsville.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Grantsville. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the coldest month in Grantsville?
How cold is January in Grantsville?
What is the most humid month in Grantsville?
What is the average humidity in January in Grantsville?
How many days does it rain in January in Grantsville?
When does it snow the most in Grantsville?
How many days does it snow in January in Grantsville?
How many hours of daylight does Grantsville have in January?
What time are sunrise and sunset in January in Grantsville?
What is the month with the least sunshine in Grantsville?
How many hours of sunshine does Grantsville have in January?
What is the month with the lowest UV index in Grantsville?
What is the UV index intensity in January in Grantsville?
Average temperature in January
Grantsville, WV
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 24.3°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 (24.3°F).
Average pressure in January
Grantsville, 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
Grantsville, WV
- Average wind speed in January: 6.6mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Grantsville, WV
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in January
Grantsville, WV
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Grantsville, WV
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.7 days).
Average snowfall in January
Grantsville, WV
- Average snowfall in January: 6.22"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Grantsville, WV
- Average snowfall days in January: 15.4 days
The month with the highest number of snowfall days is January (15.4 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
Grantsville, 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 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 24min).
Average sunshine days in January
Grantsville, WV
- Average sunshine days in January: 7.9 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in January
Grantsville, 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
Grantsville, 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 35).
Average visibility in January
Grantsville, 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).
Grantsville, West Virginia, USA
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