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
In Martinsville, the lowest temperatures are generally noted in January, averaging a high of 44.1°F (6.7°C) and a low of 28.8°F (-1.8°C).Humidity
In January, the average relative humidity is 72%.Rainfall
In January, in Martinsville, the rain falls for 8.5 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. In Martinsville, during the entire year, the rain falls for 132.1 days and collects up to 19.96" (507mm) of precipitation.Snowfall
Months with snowfall are January through March, May, November and December. In Martinsville, in January, snow falls for 2.3 days, with typically accumulated 1.06" (27mm) of snow. Throughout the year, in Martinsville, there are 8 snowfall days, and 6.06" (154mm) of snow is accumulated.Daylight
In January, the average length of the day in Martinsville, Virginia, is 9h and 59min.On the first day of January, sunrise is at 7:31 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:43 pm EST.
Sunshine
January and December, with an average of 5.6h of sunshine, are months with the least sunshine.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the coldest time of year in Martinsville?
Is it cold in Martinsville during January?
What is the average humidity in January in Martinsville?
How many days does it rain in January in Martinsville?
How many days does it snow in January in Martinsville?
How many hours of daylight does Martinsville have in January?
When are sunrise and sunset in January in Martinsville?
What are the months with the least sunshine in Martinsville?
How long on average sun shines in January in Martinsville?
What are the months with the lowest UV index in Martinsville?
What is the UV index intensity in January in Martinsville?
Average temperature in January
Martinsville, VA
- Average high temperature in January: 44.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in January
Martinsville, VA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Martinsville, VA
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Martinsville, VA
- Average humidity in January: 72%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Martinsville, VA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in January
Martinsville, VA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7 days).
Average snowfall in January
Martinsville, VA
- Average snowfall in January: 1.06"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in January
Martinsville, VA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Martinsville, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 4min
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 36min).
Average sunshine days in January
Martinsville, VA
- Average sunshine days in January: 19.9 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in January
Martinsville, 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
Martinsville, VA
- Average cloud cover in January: 39
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Martinsville, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Martinsville, Virginia, USA
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