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
Rileyville's temperature records reveal January as the coldest month, marked by average highs of 38.7°F (3.7°C) and lows of 23.9°F (-4.5°C).Humidity
In Rileyville, Virginia, the average relative humidity in January is 75%.Rainfall
January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.94" (24mm) of precipitation.Snowfall
Months with snowfall in Rileyville, Virginia, are January through May, October through December. In Rileyville, in January, snow falls for 5 days, with typically accumulated 2.4" (61mm) of snow. In Rileyville, during the entire year, snow falls for 17.4 days and aggregates up to 9.72" (247mm) of snow.Daylight
The average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of January, in Rileyville, sunrise is at 7:20 am and sunset at 5:33 pm EST.
Sunshine
In January, the average sunshine in Rileyville is 5.2h.UV index
The months with the lowest UV index 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What month is the coldest in Rileyville?
How cold is it in Rileyville in January?
What is the average humidity in January in Rileyville?
What is the driest month in Rileyville?
How many days does it rain in January in Rileyville?
How much does it snow in Rileyville in January?
What is the average length of the day in January in Rileyville?
What time are sunrise and sunset in January in Rileyville?
How long on average sun shines in January in Rileyville?
What are the months with the lowest UV index in Rileyville?
How high is the UV index in January in Rileyville?
Average temperature in January
Rileyville, VA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Rileyville, 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
Rileyville, VA
- Average wind speed in January: 6.4mph
The windiest months (with the highest average wind speed) are February and March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Rileyville, VA
- Average humidity in January: 75%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in January
Rileyville, VA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Rileyville, VA
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Rileyville, VA
- Average snowfall in January: 2.4"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rileyville, VA
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rileyville, 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 30min).
- Average sunshine in January: 5h and 1min
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 6min).
Average sunshine days in January
Rileyville, VA
- Average sunshine days in January: 20.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is August (11.4 days).
Average UV index in January
Rileyville, 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
Rileyville, VA
- Average cloud cover in January: 44
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
Rileyville, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, April, June, July, August and November (6mi).
The months with the lowest visibility are March, May, September, October and December (5mi).
Rileyville, Virginia, USA
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