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
With its high average temperature of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C), January is regarded as the coldest month.Humidity
With an average relative humidity of 82%, January is the most humid month in Dallas.Rainfall
The month with the least rainfall in Dallas is January, when the rain falls for 2.7 days and typically collects 0.47" (12mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Dallas, in January, snow falls for 9.6 days, with typically accumulated 2.64" (67mm) of snow. In Dallas, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
In Dallas, the average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 8:10 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:48 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.9h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the coldest time of year in Dallas?
How cold is it in Dallas in January?
What is the most humid month in Dallas?
What is the average humidity in January in Dallas?
What is the driest month in Dallas?
How many days does it rain in January in Dallas?
How much does it snow in Dallas in January?
What is the average length of the day in January in Dallas?
When is the sunrise / sunset in January in Dallas?
What is the month with the least sunshine in Dallas?
How long on average sun shines in January in Dallas?
How high is the UV index in January in Dallas?
Average temperature in January
Dallas, SD
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 15.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in January
Dallas, SD
- 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 (29.84"Hg).
Average wind speed in January
Dallas, SD
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in January
Dallas, SD
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in January
Dallas, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Dallas, SD
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in January
Dallas, SD
- Average snowfall in January: 2.64"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dallas, SD
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dallas, SD
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Dallas, SD
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
Dallas, SD
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Dallas, SD
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in January
Dallas, SD
- 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, South Dakota, USA
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