January weather forecastOccoquan, VA
January
Weather in January
January, like December, in Occoquan, Virginia, is another cold winter month, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 40.6°F (4.8°C).Temperature
January, marked by an average high-temperature of 40.6°F (4.8°C) and a low-temperature of 27°F (-2.8°C), is the coldest month.Humidity
In January, the average relative humidity is 73%.Rainfall
January is the month with the least rainfall in Occoquan. Rain falls for 8.3 days and accumulates 1.73" (44mm) of precipitation.Snowfall
January through April and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 3.23" (82mm) of snow.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:29 pm EST.
Sunshine
In Occoquan, the average sunshine in January is 5.3h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Occoquan, VA
- Average high temperature in January: 40.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Occoquan, VA
- Average pressure in January: 30.11"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
Occoquan, VA
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Occoquan, VA
- Average humidity in January: 73%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Occoquan, VA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in January
Occoquan, VA
- Average rainfall days in January: 8.3 days
The months with the highest number of rainy days are May and August (17.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in January
Occoquan, VA
- Average snowfall in January: 3.23"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
Occoquan, VA
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (4.1 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
Occoquan, VA
- Average daylight in January: 9h and 48min
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: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in January
Occoquan, VA
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in January
Occoquan, 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, November and December (UV index 2).
Average cloud cover in January
Occoquan, VA
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Occoquan, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
