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The weather in May in Dallas

It's warm in May in Dallas with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 15°C and 21°C.

Looking for sun? May isn’t a good month to be in Dallas. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Dallas, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2018, Dallas reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 15°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 27°C.

Rainfall amount

In May, there is an average of 148 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in May for Dallas

Click on any day in May to get detailed info about the usual weather on that day in Dallas. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Dallas New York
Average temperature 29°C 22°C
Max. temperature 31°C 28°C
Min. temperature 15°C -5°C
Total precipitation 148 mm 105 mm
Rainy days 17 days 14 days

Start of May

The month of May starts in Dallas with hot temps, averaging around 29°C during the day and nights around 18°C.

Mid May

By mid-May, daytime temps stay steady at around 29°C, with nights around 20°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Dallas is around 30°C, while nighttime temps are about 21°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

The hurricane season in Dallas runs from June to November.

Check out the climate of Dallas for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Dallas, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Dallas

Temperature in May in Dallas over the years

Precipitation charts

These charts show the average amount of precipitation in May in Dallas, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Dallas

Total precipitation in May in Dallas over the years

Daily UV index in May in Dallas

This chart shows the average daily UV index in May in Dallas, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Dallas

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Average weather in Dallas by month

Click on a month below to see detailed weather info for Dallas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.