Thailand weather

Our guide to the weather in Thailand during April

39

Average high

8

UV Index

86mm

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 2024, 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 April.

How hot is it in Thailand during April?

April is typically the hottest month in Thailand. Expect extreme heat during April, with temperatures hitting 39℃ during the day, falling away to 28℃ at night.The UV index will be very high at this time of year, so you'll need to protect your eyes and skin. Avoid sun exposure between 10am and 4pm where possible. If outdoors, find shade, wear sun-protective clothing, wear UV-blocking sunglasses and generously apply broad spectrum SPF 30+ sunscreen every hour or so. Don't be fooled by cloudy skies! Remember that bright surfaces, such as water and sand will increase UV exposure.

Does it rain in Thailand during April?

On average, there will be 3 rainy days during the month, amounting to 85.9mm 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. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Thailand during April?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in April. With moderate humidity, any breeze will have a very welcome cooling effect.

How warm is the sea in Thailand during April?

The water around Thailand reaches a very pleasant 30℃ during April. 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 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