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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Northern Focus Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you’re planning a trip to Galveston, check the live forecast above for current conditions, then consider the seasonal rhythm: mild winters with occasional chilly fronts, hot humid summers, and a real risk of tropical storms from June through November. Knowing the pattern helps you pack accordingly.
What’s the weather like month by month?
Galveston weather monthly shows a classic Gulf Coast cycle. January highs hover near 16°C (61°F), while August averages around 33°C (91°F) with high humidity. For a quieter visit, consider galveston weather in december, when daytime highs are about 18°C (64°F) and crowds thin. Rain is spread fairly evenly, though late summer and early autumn bring the highest rainfall from tropical systems.
How do you interpret the forecasts here?
The live forecast above gives conditions in Celsius, but many visitors also look up galveston weather fahrenheit for familiarity. For weather in galveston tomorrow, rely on the 24‑hour outlook; a galveston weather 21 day forecast is only a broad trend. For precise planning, use galveston weather hourly updates available from the National Weather Service. Longer-range galveston weather 30 day forecast products are not reliable for day‑to‑day decisions. If severe weather threatens, check our Weather Warning page for alerts.
What is the best time to visit Galveston?
Late spring (April–May) and autumn (October–November) offer warm days around 25°C (77°F) with lower humidity and fewer crowds. Summer is hot and humid, while winter is mild but can bring sudden cold snaps.
Does it ever snow in Galveston?
Snow is extremely rare; measurable snowfall has occurred only a handful of times in recorded history. The most recent notable event was in 2017, when a trace was observed. Freezing drizzle is more common in January.
How accurate is a 21‑day forecast for Galveston?
Long‑range forecasts beyond 7–10 days have limited skill for exact temperatures. A 21‑day outlook can indicate general trends (warmer or cooler than average) but not specific daily highs or rainfall timing.
Sources
For a broader look at Canadian and North American destinations, visit our Canada weather hub or compare conditions with Florida Weather.