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
January, noted for its average high-temperature of 42.8°F (6°C) and an average low-temperature of 27.9°F (-2.3°C), is considered the coldest month.Humidity
The average relative humidity in January is 72%.Rainfall
In Forest, during January, the rain falls for 8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 143 rainfall days, and 23.03" (585mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 3.2 days and accumulates 2.09" (53mm) of snow.Daylight
The average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 7:31 am and sunset at 5:09 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:39 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Forest.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Forest. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Is it cold during January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine in Forest?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Forest, VA
- Average high temperature in January: 42.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in January: 27.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in January
Forest, VA
- Average pressure in January: 30.13"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
Forest, VA
- Average wind speed in January: 6.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Forest, VA
- Average humidity in January: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Forest, VA
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are July and September (1.54").
Average rainfall days in January
Forest, VA
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in January
Forest, VA
- Average snowfall in January: 2.09"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Forest, VA
- Average snowfall days in January: 3.2 days
The month with the highest number of snowfall days is February (3.8 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
Forest, VA
- Average daylight in January: 9h and 5min
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 36min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in January
Forest, VA
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Forest, 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, November and December (UV index 2).
Average cloud cover in January
Forest, VA
- Average cloud cover in January: 40
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in January
Forest, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Forest, Virginia, USA
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