Monthly climate guide
Dallas weather in March
March in Dallas is typically mild, with average daytime highs around 21°C (69°F) and night-time lows near 8°C (47°F). The month usually brings about 75 mm of rain (some rain) and is often cloudy. Daytime highs are 5°C warmer than February and 4°C cooler than April.
What stands out in March
- It warms up quickly from here: by April highs are about 4°C higher.
- Just 290 km apart, but Dallas runs about 3°C cooler than Austin this month.
- In Dallas, March is early spring.
- Evenings cool off sharply: the daily range is around 12°C, so pack a layer.
Avg high
21°C
69°F
Avg low
8°C
47°F
Rainfall
75 mm
some rain
Humidity
73%
relative
Sky
55%
cloud · often cloudy
Dallas weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 13°C / 55°F | 1°C / 34°F | 59 mm | 73% | 49% |
| February | 15°C / 60°F | 3°C / 38°F | 66 mm | 75% | 58% |
| March | 21°C / 69°F | 8°C / 47°F | 75 mm | 73% | 55% |
| April | 25°C / 76°F | 12°C / 54°F | 91 mm | 72% | 53% |
| May | 29°C / 83°F | 17°C / 63°F | 139 mm | 72% | 54% |
| June | 33°C / 92°F | 22°C / 72°F | 96 mm | 69% | 42% |
| July | 36°C / 97°F | 24°C / 76°F | 47 mm | 60% | 41% |
| August | 37°C / 98°F | 25°C / 76°F | 63 mm | 57% | 38% |
| September | 33°C / 91°F | 21°C / 70°F | 66 mm | 61% | 38% |
| October | 26°C / 80°F | 14°C / 57°F | 107 mm | 66% | 38% |
| November | 19°C / 67°F | 7°C / 45°F | 62 mm | 71% | 46% |
| December | 14°C / 57°F | 3°C / 37°F | 70 mm | 74% | 57% |
What to pack for March
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is March a good time to visit Dallas?
Compare the months in the chart above to find your ideal window.
Best time to visit Dallas →Other United States cities in March
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Dallas weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/dallas/march
<a href="https://weathercompare.eu/weather/usa/dallas/march">Dallas weather in March</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/dallas" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Dallas weather in March"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/dallas/march">Dallas weather in March</a> – WeatherCompare</p>
Dallas in March: quick answers
Is March a good time to visit Dallas?
Yes. March is one of the best months for Dallas, with highs around 21°C and about 75 mm of rain.
How warm is Dallas in March?
Average highs are about 21°C (69°F) and average lows about 8°C (47°F), based on 10 years of daily data.
Does it rain a lot in Dallas in March?
Dallas typically gets around 75 mm of rain in March — some rain.
Figures are long-term averages for the area around Dallas (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.