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
The coldest time of the year is January, with temperatures averaging a high of 42.1°F (5.6°C) and a low of 27.1°F (-2.7°C).Humidity
In January, the average relative humidity in Grays is 78%.Rainfall
In Grays, in January, during 13.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 186.6 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Grays. In Grays, Virginia, during January, snow falls for 9.8 days and regularly aggregates up to 3.31" (84mm) of snow. In Grays, Virginia, during the entire year, snow falls for 33.5 days and aggregates up to 13.23" (336mm) of snow.Daylight
In Grays, Virginia, the average length of the day in January is 9h and 59min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:53 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, an average UV index of 2 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest month in Grays?
How cold does it get in Grays in January?
What is the average humidity in January in Grays?
How many days does it rain in January in Grays?
How much does it snow in Grays in January?
What is the average length of the day in January in Grays?
When is the sunrise / sunset in January in Grays?
What is the month with the least sunshine in Grays?
How long on average sun shines in January in Grays?
What is the month with the lowest UV index in Grays?
What is the UV index intensity in January in Grays?
Average temperature in January
Grays, VA
- Average high temperature in January: 42.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in January: 27.1°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 (27.1°F).
Average pressure in January
Grays, 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
Grays, VA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Grays, VA
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are June, July, August, September and November (75%).
Average rainfall in January
Grays, VA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Grays, VA
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in January
Grays, VA
- Average snowfall in January: 3.31"
The month with the highest snowfall is December (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Grays, VA
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grays, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Grays, VA
- Average sunshine days in January: 11.8 days
The months with the most sunshine days are October and November (16.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in January
Grays, VA
- 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
Grays, VA
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Grays, VA
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Grays, Virginia, USA
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