Dallas
Texas, USA
Long-term weather forecast
Long-term weather forecast
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January weather forecast and Climate
Dallas, TX

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Dallas, Texas, modern city skyscrapers viewed from above, just before sunset
Dallas, Texas, modern city skyscrapers viewed from above, just before sunset
January is the coldest month in Dallas with the mercury holding to the range between 37.2°F (2.9°C) and 56.8°F (13.8°C). The weather generally feels warmer than registered with approximately five and a half hours of sunshine per day.
Snowfall is rare but occasionally accumulates to an average of 0.5" (12.7mm) and is only experienced for not more than a half of a day. Rainfall, though, is received for approximately six and a half days, to collect relatively low precipitation of 2.1" (53.3mm).
January is one of the loveliest months in Dallas, and with warm clothing, outdoors is pretty tolerable.
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  • The average high temperature in January: 56.8°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (56.8°F).

  • The average low temperature in January: 37.3°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (37.3°F).

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  • The average humidity in January: 67.5%

The month with the highest relative humidity is May (69.7%).
The month with the lowest relative humidity is August (59.5%).

  • The average rainfall in January: 2.1"

The wettest month (with the highest rainfall) is May (4.9").
The driest month (with the lowest rainfall) is August (1.9").

  • The average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (9.7 days).
The month with the lowest number of rainy days is August (4.6 days).

  • The average snowfall in January: 0.5"

The month with the highest snowfall is February (0.6").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

  • The average snowfall days in January: 0.5 days

The month with the highest number of snowfall days is January (0.5 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

  • The average daylight in January: 10h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in January: 5.9h

The month with most sunshine is July (Average sunshine: 10.7h).
The month with least sunshine is December (Average sunshine: 5.6h).

  • The average UV index in January: 3

Months with the highest UV index are May, June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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