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
Temperature readings reach their annual highs in January, averaging 46°F (7.8°C) and a minimum average of 30.9°F (-0.6°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In January, the rain falls for 7.9 days. Throughout January, 0.91" (23mm) of precipitation is accumulated. In Dallas Heights, during the entire year, the rain falls for 104.5 days and collects up to 10.98" (279mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Dallas Heights, in January, during 0.9 snowfall days, 0.08" (2mm) of snow is typically accumulated. Throughout the year, there are 2.9 snowfall days, and 0.47" (12mm) of snow is accumulated.Daylight
In Dallas Heights, the average length of the day in January is 10h and 7min.On the first day of January, sunrise is at 7:49 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 6:08 pm EST.
Sunshine
In Dallas Heights, the average sunshine in January is 5.3h.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 hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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 many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Dallas Heights have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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
Dallas 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).
Dallas Heights, Tennessee, USA
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