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
Temperature readings reach their annual highs in January, averaging 42.4°F (5.8°C) and a minimum average of 27.3°F (-2.6°C).Humidity
In Thornburg, the average relative humidity in January is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.6 days and typically collects 1.65" (42mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Thornburg. In January, in Thornburg, it is snowing for 4.3 days. Throughout January, 1.81" (46mm) of snow is accumulated. Throughout the year, in Thornburg, Virginia, there are 13.5 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
In Thornburg, the average length of the day in January is 9h and 52min.On the first day of January in Thornburg, sunrise is at 7:26 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:31 pm EST.
Sunshine
In January, the average sunshine in Thornburg is 5.4h.UV index
The months with the lowest UV index in Thornburg are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Thornburg?
How cold is January in Thornburg?
What is the average humidity in January in Thornburg?
What is the driest month in Thornburg?
How many days does it rain in January in Thornburg?
How many days does it snow in January in Thornburg?
What is the average length of the day in January in Thornburg?
When is the sunrise / sunset in January in Thornburg?
How long on average sun shines in January in Thornburg?
What are the months with the lowest UV index in Thornburg?
What is the UV index intensity in January in Thornburg?
Average temperature in January
Thornburg, VA
- Average high temperature in January: 42.4°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in January: 27.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Thornburg, 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
Thornburg, VA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Thornburg, VA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Thornburg, VA
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in January
Thornburg, VA
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Thornburg, VA
- Average snowfall in January: 1.81"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Thornburg, VA
- Average snowfall days in January: 4.3 days
The months with the highest number of snowfall days are January and February (4.3 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
Thornburg, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Thornburg, VA
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in January
Thornburg, 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 and December (UV index 2).
Average cloud cover in January
Thornburg, VA
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Thornburg, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Thornburg, Virginia, USA
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