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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Monitorly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
July in Thailand averages 24–32°C with 200–400 mm of rain across the country. This is the heart of the wet season, so daily downpours and high humidity are the norm, especially in Phuket, Bangkok and the central plains.
What is the typical weather pattern across Thailand in July?
The southwest monsoon brings consistent moisture, with rain most days, often heavy in the afternoon. Coastal areas like Phuket and Koh Samui see sea temperatures around 28–30°C. Sunshine is limited to 4–6 hours per day. Humidity stays above 75%.
How does July compare to August in Thailand?
July and August are very similar — both peak wet-season months. August tends to be slightly wetter in the Andaman coast (Phuket, Krabi) while the Gulf coast (Koh Samui) can be a little drier in July. Temperatures remain stable throughout thailand weather july august.
Is it worth going to Thailand in July?
Yes, if you don’t mind daily rain. The country is less crowded and accommodation is cheaper. Plan outdoor activities for early morning, when showers are lighter. The rain rarely lasts all day.
What is the weather like in Phuket in July?
Thailand weather july phuket shows average highs of 31°C and around 300 mm of rain. The Andaman Sea can be rough, so swimming and island trips depend on the daily forecast. Expect heavy but short-lived storms.
How much rain does Bangkok get in July?
Bangkok receives roughly 200 mm across 18–20 rainy days. Showers are often intense but brief, clearing to humid overcast skies. The consistent rainfall makes thailand weather july rain a key factor for any trip.
For broader climate comparisons, see our Australia weather hub. If you’re monitoring travel conditions, our severe weather warnings page covers Australian alerts for comparative planning.