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Weather in Dallas County for May 2025

Your guide to Dallas County weather in May - trends and predictions
  • In general, the average temperature in Dallas County at the beginning of May is 27.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31 °F by the end of May.

  • The climate of Dallas County in May is notably wet, with an average of 11 rainy days.

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Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/18°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Dallas County in May average weather

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Temperatures trend during May in Dallas County

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Cloudy
Cloudy
26° /17° 1.6 mm 6
May 2 Cloudy
Cloudy
26° /15° 6.8 mm 6
May 3 Overcast
Overcast
26° /17° 8.5 mm 6
May 4 Overcast
Overcast
27° /19° 7.3 mm 6
May 5 Patchy rain possible
Patchy rain possible
30° /19° 25.8 mm 7
May 6 Patchy rain possible
Patchy rain possible
29° /20° 6.7 mm 7
May 7 Patchy rain possible
Patchy rain possible
30° /20° 2.8 mm 7
May 8 Patchy rain possible
Patchy rain possible
32° /21° 1.7 mm 7
May 9 Moderate rain at times
Moderate rain at times
28° /20° 1.1 mm 6
May 10 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /18° 5.4 mm 5
May 11 Patchy rain possible
Patchy rain possible
25° /17° 0.6 mm 6
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
25° /19° 13.6 mm 6
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /20° 13.2 mm 6
May 14 Moderate or heavy rain shower
Moderate or heavy rain shower
27° /18° 15 mm 7
May 15 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /19° 5.3 mm 7
May 16 Patchy rain possible
Patchy rain possible
27° /19° 4.5 mm 6
May 17 Sunny
Sunny
28° /18° 2.1 mm 7
May 18 Patchy rain possible
Patchy rain possible
31° /18° 0.1 mm 8
May 19 Moderate rain at times
Moderate rain at times
32° /21° 7.7 mm 8
May 20 Heavy rain at times
Heavy rain at times
28° /19° 1.3 mm 7
May 21 Partly cloudy
Partly cloudy
27° /19° 0.3 mm 7
May 22 Overcast
Overcast
30° /21° 1.5 mm 7
May 23 Patchy rain possible
Patchy rain possible
29° /20° 3.4 mm 6
May 24 Patchy rain possible
Patchy rain possible
31° /21° 0.4 mm 7
May 25 Partly cloudy
Partly cloudy
31° /20° 0 mm 7
May 26 Partly cloudy
Partly cloudy
33° /21° 0.3 mm 8
May 27 Partly cloudy
Partly cloudy
32° /20° 0.2 mm 8
May 28 Patchy rain possible
Patchy rain possible
32° /20° 4.6 mm 7
May 29 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /19° 3.5 mm 6
May 30 Overcast
Overcast
30° /21° 0.3 mm 7
May 31 Patchy rain possible
Patchy rain possible
30° /20° 9.3 mm 7
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Important Notice
Our weather forecast for Dallas County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Dallas County forecast closer to your planned date for the most up-to-date weather information.

Dallas County in May - FAQ

What are the expected maximum and minimum temperatures in Dallas County during May?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Dallas County during May?
Significant rainfall exceeding 278.4 mm is expected in Dallas County during May, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dallas County during May?
The average wind speed in Dallas County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Dallas County?

Get accurate weather forecasts for Dallas County, located at latitude 32.783 and longitude -96.807. Stay updated with localized weather information tailored for Dallas County.

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