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 41.5°F (5.3°C) and a low of 26.4°F (-3.1°C).Humidity
In January, the average relative humidity in Radiant is 73%.Rainfall
The months with the least rainfall in Radiant are January and September Rain falls for 10.1 days and accumulates 1.85" (47mm) of rain.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.9 days and accumulates 2.99" (76mm) of snow.Daylight
The average length of the day in January is 9h and 52min.On the first day of January in Radiant, Virginia, sunrise is at 7:29 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:33 pm EST.
Sunshine
The average sunshine in January in Radiant, Virginia, is 5.5h.UV index
The months with the lowest UV index in Radiant 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 health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Radiant?
How cold is it in Radiant in January?
What is the average humidity in January in Radiant?
What is the driest month in Radiant?
How much does it rain in Radiant in January?
When does it snow the most in Radiant?
How much does it snow in Radiant in January?
What is the average length of the day in January in Radiant?
When are sunrise and sunset in January in Radiant?
How many hours of sunshine does Radiant have in January?
When is the lowest UV index in Radiant?
What is the UV index reading in January in Radiant?
Average temperature in January
Radiant, VA
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Radiant, 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 (29.96"Hg).
Average wind speed in January
Radiant, VA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Radiant, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Radiant, VA
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").
Average rainfall days in January
Radiant, VA
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Radiant, VA
- Average snowfall in January: 2.99"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Radiant, VA
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is January (4.9 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
Radiant, VA
- Average daylight in January: 9h and 5min
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 36min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Radiant, VA
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Radiant, 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
Radiant, VA
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Radiant, VA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).
Radiant, Virginia, USA
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