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 38.7°F (3.7°C) and an average low-temperature of 24.8°F (-4°C), is considered the coldest month.Humidity
In Purcellville, the average relative humidity in January is 75%.Rainfall
In January, the rain falls for 10.1 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 162.2 rainfall days, and 31.1" (790mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 6.8 days and accumulates 4.17" (106mm) of snow.Daylight
The average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:29 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in Purcellville are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Purcellville have in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index in Purcellville?
What is the UV index reading in January?
Average temperature in January
Purcellville, VA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Purcellville, 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
Purcellville, VA
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
Purcellville, VA
- Average humidity in January: 75%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Purcellville, VA
- Average rainfall in January: 2.13"
The wettest months (with the highest rainfall) are May and August (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Purcellville, VA
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in January
Purcellville, VA
- Average snowfall in January: 4.17"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Purcellville, VA
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 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
Purcellville, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
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 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in January
Purcellville, VA
- Average sunshine days in January: 15.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in January
Purcellville, 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
Purcellville, VA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Purcellville, 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).
Purcellville, Virginia, USA
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