Dallas, TX Weather by Month and Climate Averages

Dallas, TX gets 38.3 in of precipitation a year over about 82 rainy days, and about 1.7 in of snow a season. July is the warmest month (average high 97°F) and January the coldest (average low 38°F).

Dallas climate at a glance

Humid subtropical climate

Dallas, TX has hot summers and mild winters. Daytime highs range from about 58°F in January to 97°F in July. October is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.

How much rain does Dallas get?

Dallas gets 38.3 in of precipitation in an average year, spread over about 82 days with measurable rain. That is fewer rainy days than 56% of the US.

October is the wettest month, with 4.8 in. July is the driest, with 1.7 in. May has the most rainy days, about 9.

The longest dry spell in the last five years lasted 67 days, to August 9, 2022.

See where Dallas ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Texas.

Does it snow in Dallas?

Yes. Dallas gets about 1.7 in of snow in an average season, measured at the reporting station.

The snowiest winter on record is 1977–78, with 14.1 in.

The most recent measurable snow at the station fell on January 10, 2025.

See where Dallas ranks: snowiest cities in the US.

Dallas weather by month

Dallas weather in January

In January, Dallas averages a high of 58°F and a low of 38°F. It gets 2.6 in of precipitation over about 7 rainy days. The sun is out about 52% of daylight hours. The January record high is 84°F (1970) and the record low is 7°F (1982).

Dallas weather in February

In February, Dallas averages a high of 62°F and a low of 42°F. It gets 2.8 in of precipitation over about 7 rainy days. The sun is out about 46% of daylight hours. The February record high is 95°F (1996) and the record low is 2°F (2021).

Dallas weather in March

In March, Dallas averages a high of 70°F and a low of 49°F. It gets 3.5 in of precipitation over about 8 rainy days. The sun is out about 44% of daylight hours. The March record high is 97°F (1974) and the record low is 16°F (1980). March is one of the most comfortable months to visit.

Dallas weather in April

In April, Dallas averages a high of 77°F and a low of 57°F. It gets 3.1 in of precipitation over about 7 rainy days. The sun is out about 43% of daylight hours. The April record high is 100°F (2006) and the record low is 32°F (1975). April is one of the most comfortable months to visit.

Dallas weather in May

In May, Dallas averages a high of 85°F and a low of 66°F. It gets 4.6 in of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The May record high is 103°F (1985) and the record low is 40°F (2013).

Dallas weather in June

In June, Dallas averages a high of 92°F and a low of 74°F. It gets 3.8 in of precipitation over about 7 rainy days. The sun is out about 54% of daylight hours. The June record high is 112°F (1980) and the record low is 53°F (1982).

Dallas weather in July

In July, Dallas averages a high of 97°F and a low of 78°F. It gets 1.7 in of precipitation over about 5 rainy days. The sun is out about 58% of daylight hours. The July record high is 112°F (2018) and the record low is 60°F (1990).

Dallas weather in August

In August, Dallas averages a high of 97°F and a low of 77°F. It gets 2.2 in of precipitation over about 5 rainy days. The sun is out about 64% of daylight hours. The August record high is 111°F (2011) and the record low is 59°F (1979).

Dallas weather in September

In September, Dallas averages a high of 90°F and a low of 70°F. It gets 3.1 in of precipitation over about 6 rainy days. The sun is out about 64% of daylight hours. The September record high is 110°F (2000) and the record low is 43°F (1983).

Dallas weather in October

In October, Dallas averages a high of 79°F and a low of 59°F. It gets 4.8 in of precipitation over about 7 rainy days. The sun is out about 67% of daylight hours. The October record high is 100°F (1979) and the record low is 27°F (1993).

Dallas weather in November

In November, Dallas averages a high of 67°F and a low of 48°F. It gets 2.9 in of precipitation over about 7 rainy days. The sun is out about 56% of daylight hours. The November record high is 92°F (2017) and the record low is 19°F (1976). November is one of the most comfortable months to visit.

Dallas weather in December

In December, Dallas averages a high of 59°F and a low of 40°F. It gets 3.2 in of precipitation over about 7 rainy days. The sun is out about 52% of daylight hours. The December record high is 88°F (2005) and the record low is 1°F (1989).

Sunshine, humidity and wind in Dallas

October is the sunniest month in Dallas, with sunshine about 67% of daylight hours. May is the cloudiest, at 38%. Over the year the sun shines about 53% of daylight hours. Dallas is sunnier than 70% of the US.

Humidity peaks in May at 69% and is lowest in August at 54%.

Wind averages 9 mph over the year, and April is the windiest month at 11 mph.

Dallas has about 106 days a year above 90°F. Dallas is hotter than 94% of the US.

Thunderstorms occur on about 46 days a year.

See where Dallas ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Dallas

The first fall freeze in Dallas typically comes around November 28, and the last spring freeze around March 4. That leaves a frost-free growing season of about 269 days.

Dallas weather records

The hottest temperature on record at the Dallas station is 112°F, on June 26, 1980. The coldest is 1°F, on December 23, 1989.

The wettest day on record brought 6.9 in of rain, on March 19, 2006.

46 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.6°F per decade since 1970.

The best time to visit Dallas

The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.

Winter (December–February) is mild, with average highs around 59°F and lows near 40°F. Snow is possible.

Spring (March–May) is warm, with average highs around 77°F and lows near 57°F.

Summer (June–August) is hot, with average highs around 95°F and lows near 76°F.

Autumn (September–November) is warm, with average highs around 79°F and lows near 59°F.

Monthly climate

MonthPrecipRain daysWindHumiditySunshineRecord highRecord low
January2.6 in79 mph61%52%84°
February2.8 in710 mph62%46%95°
March3.5 in811 mph61%44%97°16°
April3.1 in711 mph62%43%100°32°
May4.6 in911 mph69%38%103°40°
June3.8 in710 mph63%54%112°53°
July1.7 in59 mph58%58%112°60°
August2.2 in58 mph54%64%111°59°
September3.1 in68 mph58%64%110°43°
October4.8 in79 mph54%67%100°27°
November2.9 in79 mph64%56%92°19°
December3.2 in79 mph64%52%88°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Dallas climate questions

How much rain does Dallas get?

Dallas gets 38.3 in of precipitation in an average year, over about 82 rainy days.

What is the wettest month in Dallas?

October is the wettest month in Dallas, with 4.8 in. July is the driest, with 1.7 in.

How many rainy days does Dallas have a year?

Dallas has about 82 days with measurable rain in an average year. May has the most, about 9.

Does it snow in Dallas?

Yes. Dallas gets about 1.7 in of snow in an average season. The snowiest winter on record is 1977–78, with 14.1 in.

What is the hottest month in Dallas?

July is the warmest month in Dallas, with an average high of 97°F.

What is the coldest month in Dallas?

January is the coldest month in Dallas, with an average low of 38°F.

What is the record high temperature in Dallas?

The record high at the Dallas station is 112°F, set on June 26, 1980. The record low is 1°F, on December 23, 1989.

What is the sunniest month in Dallas?

October is the sunniest month in Dallas, with sunshine about 67% of daylight hours. May is the cloudiest.

When is the first frost in Dallas?

The first fall freeze in Dallas typically comes around November 28. The last spring freeze is around March 4.

What is the best time to visit Dallas?

The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.

Source: NOAA GHCN-Daily station DALLAS FAA AP (7 km away).

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Normals from NOAA GHCN-Daily station DALLAS FAA AP.