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
The coldest period is January, when temperatures fluctuate between an average high of 44.2°F (6.8°C) and a low of 30.6°F (-0.8°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Porter, Tennessee, in January, during 7.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 118.2 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Porter. The months with the most snowfall in Porter are January, February and December, with an average 0.2" (5mm) of accumulated snow.Daylight
In January, the average length of the day in Porter, Tennessee, is 10h and 2min.On the first day of January, sunrise is at 6:59 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:14 pm CST.
Sunshine
The average sunshine in January in Porter is 4.6h.UV index
January 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 low threat to health from unsafe exposure to UV radiation for average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Porter?
How cold is January in Porter?
What is the average humidity in January in Porter?
How many days does it rain in January in Porter?
When does it snow the most in Porter?
How many days does it snow in January in Porter?
What is the average length of the day in January in Porter?
What time are sunrise and sunset in January in Porter?
How long on average sun shines in January in Porter?
When is the lowest UV index in Porter?
How high is the UV index in January in Porter?
Average temperature in January
Porter, TN
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Porter, 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
Porter, TN
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Porter, TN
- Average humidity in January: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Porter, TN
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in January
Porter, TN
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6 days).
Average snowfall in January
Porter, TN
- Average snowfall in January: 0.2"
The months with the highest snowfall are January, February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Porter, TN
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (3 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
Porter, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Porter, TN
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in January
Porter, 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
Porter, TN
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Porter, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Porter, Tennessee, USA
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