January weather forecastHorn, MS
January
Weather in January
January, like December, in Horn, Mississippi, is a cool winter month, with an average temperature fluctuating between 38.3°F (3.5°C) and 55°F (12.8°C).Temperature
Temperature records mark January as the coldest month, with highs averaging 55°F (12.8°C) and lows at 38.3°F (3.5°C).Humidity
In Horn, the average relative humidity in January is 77%.Rainfall
In January, in Horn, the rain falls for 11.3 days. Throughout January, 2.95" (75mm) of precipitation is accumulated. In Horn, during the entire year, the rain falls for 165.6 days and collects up to 36.06" (916mm) of precipitation.Snowfall
January through March and December are months with snowfall in Horn. In Horn, in January, snow falls for 0.8 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 2.7 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 20min.On the first day of January in Horn, sunrise is at 6:54 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:26 pm CST.
Sunshine
In Horn, the average sunshine in January is 5.2h.UV index
In Horn, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in January leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Horn, MS
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in January: 38.3°F
The months with the highest average low temperature are July and August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in January
Horn, 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
Horn, MS
- Average wind speed in January: 6.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Horn, MS
- Average humidity in January: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Horn, MS
- Average rainfall in January: 2.95"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in January
Horn, MS
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8 days).
Average snowfall in January
Horn, MS
- Average snowfall in January: 0.35"
The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Horn, MS
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and December (0.8 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
Horn, MS
- Average daylight in January: 10h and 18min
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 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in January
Horn, MS
- Average sunshine days in January: 17.8 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in January
Horn, MS
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Horn, MS
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in January
Horn, MS
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).





