January weather forecastHarbor Isles, TN
January
Weather in January
January, like December, is a frosty winter month in Harbor Isles, Tennessee, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 45.1°F (7.3°C).Temperature
The lowest temperatures are recorded in January, with averages reaching a high of 45.1°F (7.3°C) and a low of 30.7°F (-0.7°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Harbor Isles, Tennessee, in January, during 10 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 3.5 days and accumulates 0.71" (18mm) of snow.Daylight
In January, the average length of the day in Harbor Isles is 10h and 2min.On the first day of January, sunrise is at 6:56 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:11 pm CST.
Sunshine
In January, the average sunshine is 4.5h.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. 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
Harbor Isles, TN
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
Harbor Isles, TN
- 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 (29.97"Hg).
Average wind speed in January
Harbor Isles, TN
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Harbor Isles, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).
Average rainfall in January
Harbor Isles, TN
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in January
Harbor Isles, TN
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in January
Harbor Isles, TN
- Average snowfall in January: 0.71"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Harbor Isles, TN
- Average snowfall days in January: 3.5 days
The month with the highest number of snowfall days is January (3.5 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
Harbor Isles, TN
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 4h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Harbor Isles, TN
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Harbor Isles, TN
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in January
Harbor Isles, TN
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Harbor Isles, TN
- 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).





