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
Fairfax Heights's January weather, marked by an average high temperature of 46°F (7.8°C) and an average low temperature of 30.9°F (-0.6°C), is the coldest in the year.Humidity
In Fairfax Heights, the average relative humidity in January is 76%.Rainfall
In January, the rain falls for 7.9 days. Throughout January, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 104.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Fairfax Heights. In January, in Fairfax Heights, it is snowing for 0.9 days. Throughout January, 0.08" (2mm) of snow is accumulated. In Fairfax Heights, during the entire year, snow falls for 2.9 days and aggregates up to 0.47" (12mm) of snow.Daylight
In Fairfax Heights, the average length of the day in January is 10h and 7min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:39 pm. On the last day of January, in Fairfax Heights, sunrise is at 7:40 am and sunset at 6:08 pm EST.
Sunshine
The average sunshine in January in Fairfax Heights is 5.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairfax Heights. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What time of the year is the coldest in Fairfax Heights?
What are the temperatures in Fairfax Heights in January?
What is the average humidity in January in Fairfax Heights?
How much does it rain in Fairfax Heights in January?
How much does it snow in Fairfax Heights in January?
How many hours of daylight does Fairfax Heights have in January?
When is the sunrise / sunset in January in Fairfax Heights?
How long on average sun shines in January in Fairfax Heights?
What is the month with the lowest UV index in Fairfax Heights?
How high is the UV index in January in Fairfax Heights?
Average temperature in January
Fairfax Heights, TN
- Average high temperature in January: 46°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 (46°F).
- Average low temperature in January: 30.9°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in January
Fairfax 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
Fairfax Heights, TN
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Fairfax Heights, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).
Average rainfall in January
Fairfax Heights, TN
- Average rainfall in January: 0.91"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in January
Fairfax Heights, TN
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in January
Fairfax Heights, TN
- Average snowfall in January: 0.08"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Fairfax Heights, TN
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Fairfax 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
Fairfax Heights, TN
- Average sunshine days in January: 21.4 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in January
Fairfax 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
Fairfax Heights, TN
- Average cloud cover in January: 48
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
Fairfax 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).
Fairfax Heights, Tennessee, USA
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