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
Gratton's coldest weather arrives in January, when temperatures average a high of 38.3°F (3.5°C) and a low of 23.9°F (-4.5°C).Humidity
In January, the average relative humidity in Gratton is 80%.Rainfall
In Gratton, in January, it is raining for 10 days, with typically 2.01" (51mm) of accumulated precipitation. In Gratton, during the entire year, the rain falls for 180.1 days and collects up to 28.86" (733mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Gratton, in January, during 12.2 snowfall days, 5.98" (152mm) of snow is typically accumulated. Throughout the year, there are 50.2 snowfall days, and 28.07" (713mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 57min.On the first day of January, sunrise is at 7:39 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:48 pm EST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year in Gratton.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Gratton have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Gratton, VA
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Gratton, VA
- 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 (29.99"Hg).
Average wind speed in January
Gratton, VA
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Gratton, VA
- Average humidity in January: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall in January
Gratton, VA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Gratton, VA
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (10 days).
Average snowfall in January
Gratton, VA
- Average snowfall in January: 5.98"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Gratton, VA
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gratton, VA
- Average daylight in January: 10h and 0min
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 42min).
- Average sunshine in January: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Gratton, VA
- Average sunshine days in January: 12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in January
Gratton, VA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Gratton, VA
- Average cloud cover in January: 57
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in January
Gratton, VA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Gratton, Virginia, USA
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