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 brings the lowest temperatures, with an average high of 43.9°F (6.6°C) and an average low of 28.9°F (-1.7°C).Humidity
The average relative humidity in January in Mattawan is 73%.Rainfall
In Mattawan, during January, the rain falls for 9.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Mattawan, there are 152.8 rainfall days, and 27.09" (688mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Mattawan, in January, snow falls for 3.8 days, with typically accumulated 1.81" (46mm) of snow. In Mattawan, Virginia, during the entire year, snow falls for 11.7 days and aggregates up to 7.01" (178mm) of snow.Daylight
In January, the average length of the day is 9h and 55min.On the first day of January in Mattawan, sunrise is at 7:24 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:31 pm EST.
Sunshine
In Mattawan, the average sunshine in January is 5.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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 time of the year is the coldest?
Is it cold during January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index in Mattawan?
How high is the UV index in January?
Average temperature in January
Mattawan, VA
- Average high temperature in January: 43.9°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in January: 28.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in January
Mattawan, 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
Mattawan, VA
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Mattawan, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Mattawan, VA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Mattawan, VA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in January
Mattawan, 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
Mattawan, VA
- Average snowfall days in January: 3.8 days
The months with the highest number of snowfall days are January and February (3.8 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
Mattawan, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 3min
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
Mattawan, VA
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Mattawan, VA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Mattawan, VA
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Mattawan, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).
Mattawan, Virginia, USA
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