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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Civic Affairs weather desk. Data from national met services via Open-Meteo.
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Consider the live forecast above when planning your day; Dallas has a humid subtropical climate with hot summers, mild winters and a risk of sudden thunderstorms, so checking conditions shortly before you head out is wise.
What is Dallas weather like year round?
Summers in Dallas run from June to September with average highs above 32°C (90°F) and often reaching 38°C (100°F) – the live forecast above will show any extreme-heat warnings. Winters are short and mild, with daytime temperatures typically between 10°C and 16°C (50°F to 60°F); frost is rare but possible at night. Spring and autumn are pleasant but bring the highest chance of tornadoes and severe storms. Humidity stays noticeable for much of the year, especially in summer, making the heat feel more intense.
What should you check before going out in Dallas?
For immediate plans, look at the weather in Dallas tomorrow and the weather in Dallas hourly to avoid the hottest part of the day or an afternoon downpour. The weather in Dallas 10 days forecast gives a good overview for travel booking, but remember that long-range outlooks can shift – the live forecast above is the most reliable guide. If you prefer temperatures in Celsius or Fahrenheit, the live forecast can be switched to your unit.
Does it ever snow in Dallas?
Light snowfall occurs once every two or three winters on average, usually melting within a day. Significant accumulations are rare, but the city can experience ice storms that disrupt travel.
Is Dallas weather very humid?
Yes, especially from May to September when humidity often exceeds 70%. Dew points in the 20s°C (70s°F) are common, so sweat doesn’t evaporate quickly – stay hydrated and take breaks in air conditioning.
When is the best time to visit Dallas for mild weather?
October to November and March to April offer warm sunshine with lower humidity and fewer storms. Daytime highs stay around 22–27°C (72–80°F), ideal for outdoor activities without the extreme heat.
For UK-based comparisons, see our UK weather hub or the 10 day weather forecast UK.