The warmest month in Dallas is July, with an average high of 35°C and an average low of 25.4°C. The coldest month is January, with an average high of 13.2°C and an average low of 3.1°C. Between 2016 and 2025, the highest temperature recorded was 42.9°C (August 18, 2023) and the lowest was -18.9°C (February 16, 2021).
| Month | Avg. high | Avg. low | Precipitation |
|---|---|---|---|
| January | 13.2°C | 3.1°C | 75 mm |
| February | 15.9°C | 5.3°C | 102 mm |
| March | 21.3°C | 10.6°C | 117 mm |
| April | 24.2°C | 13.6°C | 159 mm |
| May | 28.4°C | 18.6°C | 187 mm |
| June | 32.4°C | 23°C | 134 mm |
| July | 35°C | 25.4°C | 72 mm |
| August | 34.7°C | 25.3°C | 123 mm |
| September | 31.5°C | 21.9°C | 111 mm |
| October | 26.4°C | 15.9°C | 142 mm |
| November | 19.7°C | 9.8°C | 107 mm |
| December | 15.8°C | 6.3°C | 73 mm |
Based on daily historical weather data 2016–2025. Weather data by Open-Meteo.com.
Explore detailed temperature patterns in Dallas, United States through interactive candlestick charts. View historical weather data with daily temperature ranges, trends, and variations. Whether you're planning a trip to Dallas or analyzing local climate patterns, our unique visualization makes temperature data easy to understand. Get insights into Dallas's weather patterns from hourly updates to yearly historical data.