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
During the coldest month, January, temperatures average a high of 46.9°F (8.3°C) and a low of 31.5°F (-0.3°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Harbor Heights, in January, it is raining for 12.4 days, with typically 3.54" (90mm) of accumulated precipitation. In Harbor Heights, during the entire year, the rain falls for 172.9 days and collects up to 40.35" (1025mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Harbor Heights, during January, snow falls for 2.9 days and regularly aggregates up to 0.59" (15mm) of snow. In Harbor Heights, during the entire year, snow falls for 9.2 days and aggregates up to 2.09" (53mm) of snow.Daylight
In January, the average length of the day is 10h and 7min.On the first day of the month, sunrise is at 7:48 am and sunset at 5:39 pm. On the last day of January, sunrise is at 7:40 am and sunset at 6:07 pm EST.
Sunshine
In Harbor Heights, the average sunshine in January is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Harbor Heights have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Harbor Heights have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Harbor Heights, TN
- Average high temperature in January: 46.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in January: 31.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in January
Harbor Heights, 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 (29.98"Hg).
Average wind speed in January
Harbor Heights, TN
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in January
Harbor Heights, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Harbor Heights, TN
- Average rainfall in January: 3.54"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in January
Harbor Heights, TN
- Average rainfall days in January: 12.4 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Harbor Heights, TN
- Average snowfall in January: 0.59"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Harbor Heights, TN
- Average snowfall days in January: 2.9 days
The month with the highest number of snowfall days is January (2.9 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 Heights, TN
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in January
Harbor Heights, TN
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in January
Harbor Heights, TN
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Harbor Heights, TN
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Harbor Heights, TN
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Harbor Heights, Tennessee, USA
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