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
Dallas's temperature records reveal January as the coldest month, marked by average highs of 54.3°F (12.4°C) and lows of 39.2°F (4°C).Humidity
In Dallas, the average relative humidity in January is 64%.Rainfall
In January, the rain falls for 6.7 days. Throughout January, 1.69" (43mm) of precipitation is accumulated. In Dallas, during the entire year, the rain falls for 141.2 days and collects up to 30.12" (765mm) of precipitation.Snowfall
January, February, November and December are months with snowfall. In January, it is snowing for 0.4 days. Throughout January, 0.16" (4mm) of snow is accumulated. In Dallas, during the entire year, snow falls for 2.2 days and aggregates up to 0.71" (18mm) of snow.Daylight
The average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 7:29 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:58 pm CST.
Sunshine
In January, the average sunshine is 5.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Dallas?
What is the temperature in January?
What is the average humidity in January in Dallas?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Dallas have in January?
When 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 reading in January?
Average temperature in January
Dallas, TX
- Average high temperature in January: 54.3°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in January: 39.2°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in January
Dallas, TX
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Dallas, TX
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in January
Dallas, TX
- Average humidity in January: 64%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).
Average rainfall in January
Dallas, TX
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in January
Dallas, TX
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
Dallas, TX
- Average snowfall in January: 0.16"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in January
Dallas, TX
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dallas, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Dallas, TX
- Average sunshine days in January: 23.2 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in January
Dallas, TX
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Dallas, TX
- Average cloud cover in January: 30
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Dallas, TX
- 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).
Dallas, Texas, USA
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