Thailand weather

Our guide to the weather in Thailand during July

33

Average high

7

UV Index

165mm

Monthly rainfall

30

Sea temperature

We've looked at the most up-to-date weather data for Thailand, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Thailand weather in July.

How hot is it in Thailand during July?

Expect heat in Thailand during July. The temperature hits about 33℃ during the day, falling away to a balmy 25℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Thailand during July?

On average, there will be 11 rainy days during the month, amounting to 165.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, July will see just 2 days that produce a storm.

Is it windy in Thailand during July?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in July. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Thailand during July?

The water around Thailand reaches a very pleasant 30℃ during July. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in Thailand

Our month-by-month guide to the weather and climate in Thailand

33.5

Thailand weather in

January
36.0

Thailand weather in

February
37.8

Thailand weather in

March
38.5

Thailand weather in

April
36.8

Thailand weather in

May
34.5

Thailand weather in

June
32.7

Thailand weather in

July
32.6

Thailand weather in

August
32.4

Thailand weather in

September
31.2

Thailand weather in

October
30.9

Thailand weather in

November
31.2

Thailand weather in

December