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, on average, is the coldest month, registering a high temperature of 34.3°F (1.3°C) and a low of 21.9°F (-5.6°C).Humidity
In Martinsville, the average relative humidity in January is 81%.Rainfall
In Martinsville, during January, the rain falls for 8.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Martinsville, during the entire year, the rain falls for 160.4 days and collects up to 27.05" (687mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 2.24" (57mm) of snow.Daylight
In Martinsville, Indiana, the average length of the day in January is 9h and 46min.On the first day of the month, sunrise is at 8:05 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:53 am and sunset at 6:04 pm EST.
Sunshine
The average sunshine in January is 4.2h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month in Martinsville?
How many days does it snow in January?
How many hours of daylight does Martinsville have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Martinsville, IN
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Martinsville, IN
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Martinsville, IN
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Martinsville, IN
- Average humidity in January: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Martinsville, IN
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in January
Martinsville, IN
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in January
Martinsville, IN
- Average snowfall in January: 2.24"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Martinsville, IN
- Average snowfall days in January: 10.1 days
The month with the highest number of snowfall days is January (10.1 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
Martinsville, IN
- 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 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in January
Martinsville, IN
- Average sunshine days in January: 13.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Martinsville, IN
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Martinsville, IN
- Average cloud cover in January: 58
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Martinsville, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are July, August and December (5mi).
Martinsville, Indiana, USA
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