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
Wiley notes the coldest temperatures in January, with a high average of 41°F (5°C) and a low of 27.3°F (-2.6°C).Humidity
In January, the average relative humidity is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 10.1 days and accumulates 2.01" (51mm) of precipitation.Snowfall
January through April and December are months with snowfall. The month with the most snowfall is January, when snow falls for 4.8 days and typically aggregates up to 2.44" (62mm) of snow.Daylight
In Wiley, 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 4:57 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:28 pm EST.
Sunshine
In January, the average sunshine 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 unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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
What is the coldest month in Wiley?
Is January cold in Wiley?
What is the average humidity in January in Wiley?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
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?
How many hours of sunshine does Wiley have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Wiley, VA
- Average high temperature in January: 41°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°F).
- Average low temperature in January: 27.3°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 (27.3°F).
Average pressure in January
Wiley, 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
Wiley, VA
- Average wind speed in January: 6.8mph
The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Wiley, VA
- Average humidity in January: 73%
The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in January
Wiley, VA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in January
Wiley, VA
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Wiley, VA
- Average snowfall in January: 2.44"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
Wiley, VA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 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
Wiley, 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 2min
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
Wiley, VA
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in January
Wiley, 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
Wiley, 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 30).
Average visibility in January
Wiley, 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).
Wiley, Virginia, USA
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