January weather forecastMartinsville, MO
January
Weather in January
January, the same as December, is a wintry winter month in Martinsville, Missouri, with an average temperature varying between 18.7°F (-7.4°C) and 32.5°F (0.3°C).Temperature
January, with its high-temperature average of 32.5°F (0.3°C) and a low-temperature average of 18.7°F (-7.4°C), is the coldest month.Humidity
In Martinsville, the average relative humidity in January is 78%.Rainfall
The months with the least rainfall are January and February Rain falls for 4.1 days and accumulates 0.91" (23mm) of rain.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 8 days and accumulates 3.62" (92mm) of snow.Daylight
The average length of the day in January in Martinsville is 9h and 41min.On the first day of January, sunrise is at 7:39 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:33 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 2 transforms into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Martinsville, MO
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 18.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in January
Martinsville, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Martinsville, MO
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Martinsville, MO
- Average humidity in January: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Martinsville, MO
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").
Average rainfall days in January
Martinsville, MO
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Martinsville, MO
- Average snowfall in January: 3.62"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Martinsville, MO
- Average snowfall days in January: 8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Martinsville, MO
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Martinsville, MO
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Martinsville, MO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Martinsville, MO
- Average cloud cover in January: 49
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Martinsville, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
