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 tends to be the coldest month, with temperatures averaging a daily high of 55.8°F (13.2°C) and a low of 39.2°F (4°C).Humidity
In January, the average relative humidity is 78%.Rainfall
In Martinsville, in January, it is raining for 11.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Martinsville, during the entire year, the rain falls for 160.4 days and collects up to 35.83" (910mm) of precipitation.Snowfall
January through March, September and December are months with snowfall. The month with the most snowfall is January, when snow falls for 0.9 days and typically aggregates up to 0.39" (10mm) of snow.Daylight
The average length of the day in January in Martinsville is 10h and 22min.On the first day of the month, sunrise is at 7:17 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:50 pm CST.
Sunshine
In January, the average sunshine is 5.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are January temperatures in Martinsville?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most in Martinsville?
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 Martinsville have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Martinsville, TX
- Average high temperature in January: 55.8°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in January: 39.2°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in January
Martinsville, TX
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Martinsville, TX
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in January
Martinsville, TX
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Martinsville, TX
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in January
Martinsville, TX
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in January
Martinsville, TX
- Average snowfall in January: 0.39"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in January
Martinsville, TX
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Martinsville, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in January
Martinsville, TX
- Average sunshine days in January: 17 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in January
Martinsville, TX
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Martinsville, TX
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Martinsville, TX
- Average visibility in January: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).
Martinsville, Texas, USA
Weather forecast for your location
2. Allow the app to use your location