Dallas
Texas, USA
Long-term weather forecast
Long-term weather forecast
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August 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
August has the highest temperature of the year, making Dallas very uncomfortable to be in. It is also the driest in the year, registering the lowest 1.9" (48.3mm) of precipitation, collected from only four and a half days. August has a low humidity of 59.5%, and an average of ten sunshine hours per day. With a high UV index of 10, it becomes critical to use the umbrella or shade all the time while outdoors.
The severe heat waves hit Dallas on the hottest days, and it is vital to keep indoors. Outdoors become very uncomfortable, and both locals and tourists opt to visit downtown Dallas at night, appreciative to the fourteen hours of daylight.
The nights are warm and pleasant as the temperature remains in the range of 76.8°F (24.9°C) and 96.4°F (35.8°C).
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  • The average high temperature in August: 35.8°C

The warmest month (with the highest average high temperature) is August (35.8°C).
The month with the lowest average high temperature is January (13.8°C).

  • The average low temperature in August: 24.9°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).

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  • The average humidity in August: 59.5%

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 August: 47.5mm

The wettest month (with the highest rainfall) is May (125mm).
The driest month (with the lowest rainfall) is August (47.5mm).

  • The average rainfall days in August: 4.6 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 August: 0mm

The month with the highest snowfall is February (15.2mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

  • The average snowfall days in August: 0 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 August: 13h

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 August: 9.8h

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 August: 10

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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