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 temperatures occur during January, when averages reach a peak of 41.5°F (5.3°C) and a low of 26.1°F (-3.3°C).Humidity
In Commonwealth, the average relative humidity in January is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Commonwealth, Virginia, in January, snow falls for 4.6 days, with typically accumulated 2.8" (71mm) of snow. In Commonwealth, during the entire year, snow falls for 14.6 days and aggregates up to 10.43" (265mm) of snow.Daylight
The average length of the day in January in Commonwealth is 9h and 53min.On the first day of the month, sunrise is at 7:30 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:35 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What part of the year is the coldest in Commonwealth?
How cold is January in Commonwealth?
What is the average humidity in January in Commonwealth?
What is the driest month in Commonwealth?
How much does it rain in Commonwealth in January?
How much does it snow in Commonwealth in January?
How many hours of daylight does Commonwealth have in January?
What time are sunrise and sunset in January in Commonwealth?
What is the month with the least sunshine in Commonwealth?
How long on average sun shines in January in Commonwealth?
What are the months with the lowest UV index in Commonwealth?
How high is the UV index in January in Commonwealth?
Average temperature in January
Commonwealth, VA
- Average high temperature in January: 41.5°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 (41.5°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Commonwealth, VA
- Average pressure in January: 30.12"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
Commonwealth, VA
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Commonwealth, VA
- Average humidity in January: 72%
The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Commonwealth, VA
- Average rainfall in January: 1.69"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in January
Commonwealth, VA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in January
Commonwealth, VA
- Average snowfall in January: 2.8"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Commonwealth, VA
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 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
Commonwealth, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Commonwealth, VA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Commonwealth, 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
Commonwealth, VA
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in January
Commonwealth, VA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Commonwealth, Virginia, USA
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