Climate and monthly weather forecast
Dallas, TX

Dallas, Texas, modern city skyscrapers, just before sunset
Dallas, Texas, modern city skyscrapers, just before sunset

Weather in January

January, the same as December, is a cool winter month in Dallas, Texas, with an average temperature ranging between min 39.2°F (4°C) and max 54.3°F (12.4°C). The coldest month is January, with an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 39.2°F (4°C). Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Dallas, Texas, with an average temperature ranging between min 42.4°F (5.8°C) and max 57.9°F (14.4°C). In Dallas, Texas, the average high-temperature in February is relatively the same as in January - a moderate 57.9°F (14.4°C). Weather in February »

Weather in March

March, the first month of the spring in Dallas, is a comfortable month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 67.1°F (19.5°C). In Dallas, the average high-temperature in March increases from a mild 57.9°F (14.4°C) in February to an enjoyable 67.1°F (19.5°C). Weather in March »

Weather in April

April is a warm spring month in Dallas, Texas, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 56.7°F (13.7°C). In April, the average high-temperature marginally rises from an enjoyable 67.1°F (19.5°C) in March to a warm 75°F (23.9°C). Weather in April »

Weather in May

May, the last month of the spring in Dallas, is another warm month, with an average temperature varying between 82°F (27.8°C) and 64.8°F (18.2°C). In May, the average high-temperature marginally rises from 75°F (23.9°C) in April to a still warm 82°F (27.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Dallas, Texas, with an average temperature ranging between min 73.9°F (23.3°C) and max 91.2°F (32.9°C). In Dallas, the average high-temperature in June increases from a moderately hot 82°F (27.8°C) in May to a tropical 91.2°F (32.9°C). Weather in June »

Weather in July

July in Dallas, Texas, is a sweltering summer month, with an average temperature varying between 95.2°F (35.1°C) and 76.6°F (24.8°C). In Dallas, the average high-temperature in July is practically the same as in June - a sweltering 95.2°F (35.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another very hot month in Dallas, Texas, with temperature in the range of an average high of 96.1°F (35.6°C) and an average low of 77.2°F (25.1°C). August is the warmest month, with an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 77.2°F (25.1°C). In August, the average heat index is estimated at an extremely hot 111.9°F (44.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Dallas, is still a hot month, with an average temperature varying between 87.8°F (31°C) and 70.5°F (21.4°C). In September, the average high-temperature marginally drops from a sweltering 96.1°F (35.6°C) in August to a tropical 87.8°F (31°C). Weather in September »

Weather in October

October, like September, in Dallas, Texas, is a moderately hot autumn month, with an average temperature varying between 58.8°F (14.9°C) and 76.3°F (24.6°C). In October, the average high-temperature decreases from a tropical 87.8°F (31°C) in September to a moderately hot 76.3°F (24.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Dallas, is another comfortable month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 64.6°F (18.1°C). In November, the average high-temperature drops from a warm 76.3°F (24.6°C) in October to a comfortable 64.6°F (18.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Dallas, Texas, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 55.6°F (13.1°C). In Dallas, the average high-temperature in December decreases from an enjoyable 64.6°F (18.1°C) in November to a moderate 55.6°F (13.1°C). Weather in December »
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FAQ

What is the coldest month in Dallas?

With an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 39.2°F (4°C), January is the coldest month.

How much does it rain in Dallas?

Throughout the year, there are 141.2 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

When does it snow in Dallas?

Months with snowfall are January, February, November and December.

How much does it snow in Dallas?

Throughout the year, there are 2.2 snowfall days, and 0.71" (18mm) of snow is accumulated.

When is the lowest UV index in Dallas?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Dallas.

What is the driest month in Dallas?

February is the month with the least rainfall. Rain falls for 9.3 days and accumulates 1.61" (41mm) of precipitation.

What is the snowiest month in Dallas?

The month with the most snowfall in Dallas, Texas, is February, when snow falls for 1.2 days and typically aggregates up to 0.43" (11mm) of snow.

When it does not snow in Dallas?

In Dallas, Texas, snow does not fall in March through October.

When is Daylight Saving Time (DST) in Dallas?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Dallas, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Dallas?

May is the most humid month in Dallas, with an average relative humidity of 72%.

What is the wettest month in Dallas?

The month with the most rainfall is May, when the rain falls for 15.8 days and typically aggregates up to 4.13" (105mm) of precipitation.

What are the months with the highest UV index in Dallas?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Dallas.

When are the longest days in Dallas?

The month with the longest days is June, with an average of 14h and 17min of daylight.

What is the warmest month in Dallas?

August is the warmest month in Dallas, with an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 77.2°F (25.1°C).

What is the least humid month in Dallas?

With an average relative humidity of 55%, August is the least humid month.

What month has the most sunshine in Dallas?

August has the most sunshine of the year, with an average of 11.1h of sunshine.

What is the month with the shortest days in Dallas?

The month with the shortest days is December, with an average of 10h and 2min of daylight.

What is the month with the least sunshine in Dallas?

With an average of 5.6h of sunshine, December has the least sunshine of the year.

Average temperature
Dallas, TX

Average temperature - Dallas, TX

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).

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).

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Average pressure
Dallas, TX

Average pressure - Dallas, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Dallas, TX

Average wind speed - Dallas, TX

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).

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Average rainfall
Dallas, TX

Average rainfall - Dallas, TX

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days
Dallas, TX

Average rainfall days - Dallas, TX

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).

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Average snowfall
Dallas, TX

Average snowfall - Dallas, TX

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").

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Average snowfall days
Dallas, TX

Average snowfall days - Dallas, TX

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).

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Average daylight / Average sunshine
Dallas, TX

Average daylight / Average sunshine - Dallas, TX

The month with the longest days is June (Average daylight: 14h and 17min).
The month with the shortest days is December (Average daylight: 10h and 2min).

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).

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Average sunshine days
Dallas, TX

Average sunshine days - Dallas, TX

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index
Dallas, TX

Average UV index - Dallas, TX

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).

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Average visibility
Dallas, TX

Average visibility - Dallas, TX

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).

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