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
In Saint Johns, January is the month with the lowest recorded average temperatures, measuring 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 in Saint Johns is 76%.Rainfall
In Saint Johns, in January, during 8.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Saint Johns, in January, during 3.8 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Saint Johns, Tennessee, during the entire year, snow falls for 10.9 days and aggregates up to 0.87" (22mm) of snow.Daylight
In Saint Johns, the average length of the day in January is 10h and 3min.On the first day of January, sunrise is at 6:55 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:10 pm CST.
Sunshine
In Saint Johns, the average sunshine in January is 4.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during January leads to these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Saint Johns?
What is the temperature in January in Saint Johns?
What is the average humidity in January in Saint Johns?
How many days does it rain in January in Saint Johns?
How much does it snow in Saint Johns in January?
How many hours of daylight does Saint Johns have in January?
What time are sunrise and sunset in January in Saint Johns?
How many hours of sunshine does Saint Johns have in January?
What is the month with the lowest UV index in Saint Johns?
What is the UV index reading in January in Saint Johns?
Average temperature in January
Saint Johns, TN
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (87.8°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 (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
Saint Johns, 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
Saint Johns, TN
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Saint Johns, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Saint Johns, TN
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in January
Saint Johns, TN
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in January
Saint Johns, TN
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Saint Johns, TN
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is January (3.8 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
Saint Johns, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Saint Johns, TN
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Saint Johns, 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
Saint Johns, 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 29).
Average visibility in January
Saint Johns, 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).
Saint Johns, Tennessee, USA
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