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
January, with average temperatures reaching a high of 45°F (7.2°C) and a low of 30.4°F (-0.9°C), is the coldest month.Humidity
January, June through November, with an average relative humidity of 76%, are the least humid months in Holly Heights.Rainfall
In January, the rain falls for 12.2 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. In Holly Heights, during the entire year, the rain falls for 160.4 days and collects up to 29.45" (748mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.4 days and accumulates 0.51" (13mm) of snow.Daylight
The average length of the day in January in Holly Heights, Tennessee, is 10h and 6min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:38 pm. On the last day of January, in Holly Heights, sunrise is at 7:40 am and sunset at 6:07 pm EST.
Sunshine
In January, the average sunshine in Holly Heights, Tennessee, is 5.1h.UV index
January, February 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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Holly Heights?
What is the average January temperature in Holly Heights?
What are the least humid months in Holly Heights?
What is the average humidity in January in Holly Heights?
How many days does it rain in January in Holly Heights?
When does it snow the most in Holly Heights?
How many days does it snow in January in Holly Heights?
What is the average length of the day in January in Holly Heights?
When are sunrise and sunset in January in Holly Heights?
How long on average sun shines in January in Holly Heights?
When is the lowest UV index in Holly Heights?
What is the UV index reading in January in Holly Heights?
Average temperature in January
Holly Heights, TN
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Holly Heights, TN
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Holly 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
Holly Heights, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in January
Holly Heights, TN
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Holly Heights, TN
- Average rainfall days in January: 12.2 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in January
Holly Heights, TN
- Average snowfall in January: 0.51"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Holly Heights, TN
- Average snowfall days in January: 3.4 days
The month with the highest number of snowfall days is January (3.4 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
Holly 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Holly Heights, TN
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Holly 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, February and December (UV index 2).
Average cloud cover in January
Holly Heights, TN
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in January
Holly Heights, TN
- Average visibility in January: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Holly Heights, Tennessee, USA
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