January weather forecastHarriston, MS
January
Weather in January
January, like December, is a moderate winter month in Harriston, Mississippi, with an average temperature varying between 55.4°F (13°C) and 40.1°F (4.5°C).Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 55.4°F (13°C) and a low of 40.1°F (4.5°C).Humidity
In January, the average relative humidity in Harriston is 78%.Rainfall
In Harriston, in January, during 10.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 162.8 rainfall days, and 34.33" (872mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall in Harriston. January is the month with the most snowfall. Snow falls for 1 days and accumulates 0.43" (11mm) of snow.Daylight
In January, the average length of the day is 10h and 22min.On the first day of January in Harriston, sunrise is at 7:03 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:37 pm CST.
Sunshine
The average sunshine in January is 5.3h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Harriston. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Harriston, MS
- Average high temperature in January: 55.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in January
Harriston, MS
- 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 (29.96"Hg).
Average wind speed in January
Harriston, MS
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (4.9mph).
Average humidity in January
Harriston, MS
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Harriston, MS
- Average rainfall in January: 2.99"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in January
Harriston, MS
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in January
Harriston, MS
- Average snowfall in January: 0.43"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Harriston, MS
- Average snowfall days in January: 1 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Harriston, MS
- Average daylight in January: 10h and 24min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Harriston, MS
- Average sunshine days in January: 18 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in January
Harriston, MS
- Average UV index in January: 3
The months with the highest UV index are 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
Harriston, MS
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Harriston, MS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





