Dallas County (Dallas)
May
Weather in Dallas County for May 2025
Your guide to Dallas County weather in May - trends and predictions
Flood Warning - See hour by hour.
The forecast for the next days in Dallas County predicts temperatures to be around 80 °F, close to the historical average.
In general, the average temperature in Dallas County at the beginning of May is 78 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 86 °F by the end of May.
Dallas County experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 8.19 in.
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Temperatures
Rain 🌧️
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5
Dry days
26
Rainy days
0
Snow days
82°/66°
Temperatures
13 mph
Avg max wind
69 %
Avg humidity
Dallas County Weather May
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  77° | 2  78° | 3 80° | ||||
| 4   82° | 5  71° | 6  82° | 7 80° | 8  78° | 9 77° | 10 73° |
| 11  77° | 12 78° | 13 78° | 14 84° | 15 89° | 16 91° | 17 89° |
| 18 87° | 19 87° | 20 84° | 21 82° | 22 80° | 23 78° | 24 80° |
| 25 82° | 26 87° | 27 87° | 28 87° | 29 86° | 30 84° | 31 86° |
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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 | Moderate rain at times | 77° /62° | 0.56 in | 6 | |
| May 2 | Patchy rain possible | 78° /62° | 0.36 in | 6 | |
| May 3 | Moderate or heavy rain shower | 80° /64° | 0.65 in | 6 | |
| May 4 | Sunny | 82° /57° | 0 in | 2.2 | |
| May 5 | Overcast | 71° /57° | 0 in | 2.3 | |
| May 6 | Heavy rain | 82° /62° | 3.22 in | 0.9 | |
| May 7 | Patchy rain possible | 80° /62° | 0.03 in | 0 | |
| May 8 | Moderate rain | 78° /64° | 0.27 in | 5 | |
| May 9 | Sunny | 77° /60° | 0 in | 6 | |
| May 10 | Patchy rain possible | 73° /60° | 0.07 in | 4 | |
| May 11 | Partly cloudy | 77° /59° | 0 in | 5 | |
| May 12 | Patchy rain possible | 78° /60° | 0 in | 5 | |
| May 13 | Sunny | 78° /62° | 0 in | 6 | |
| May 14 | Sunny | 84° /64° | 0 in | 6 | |
| May 15 | Sunny | 89° /66° | 0 in | 7 | |
| May 16 | Sunny | 91° /69° | 0 in | 7 | |
| May 17 | Sunny | 89° /71° | 0 in | 7 | |
| May 18 | Sunny | 87° /68° | 0.37 in | 8 | |
| May 19 | Sunny | 87° /68° | 0.36 in | 7 | |
| May 20 | Patchy rain possible | 84° /66° | 0.09 in | 7 | |
| May 21 | Moderate rain at times | 82° /66° | 0.14 in | 7 | |
| May 22 | Moderate or heavy rain shower | 80° /64° | 0.21 in | 6 | |
| May 23 | Patchy rain possible | 78° /64° | 0.11 in | 6 | |
| May 24 | Moderate or heavy rain shower | 80° /68° | 0.62 in | 6 | |
| May 25 | Patchy rain possible | 82° /66° | 0.1 in | 6 | |
| May 26 | Patchy rain possible | 87° /68° | 0.01 in | 7 | |
| May 27 | Sunny | 87° /68° | 0.01 in | 8 | |
| May 28 | Moderate or heavy rain shower | 87° /68° | 0.46 in | 7 | |
| May 29 | Moderate or heavy rain shower | 86° /68° | 0.7 in | 7 | |
| May 30 | Patchy rain possible | 84° /68° | 0.01 in | 6 | |
| May 31 | Moderate or heavy rain shower | 86° /68° | 0.38 in | 7 | |
| Next | |||||
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?
During May, expect a variety of temperatures with highs around 82° and lows near 66°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dallas County during May?
Significant rainfall exceeding 8.19 in is expected in Dallas County during May, occurring over more than 26 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 13 mph, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Dallas County
Explore the daily rainfall trends and prepare for Dallas Countys May weather 💧
UV exposure in Dallas County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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