Bangkok
Thailand
Long-term weather forecast
Long-term weather forecast

August weather forecast and Climate
Bangkok, Thailand

A beautiful park in spring outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand
A beautiful park in spring outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand
August has overcast skies in Bangkok for a major part of the month. The daily sunlight is to the tune of 5.5 hours even though the average temperatures are in the hot 78°F (25.6°C) to 91°F (32.8°C) range.
The humidity adds to the heat as the raindrops bring welcome relief. August registers around 8.6" (218.4mm) of rain and is prone to thunderstorms and lightning. Almost every day is wet while few days see a heavy downpour. Prepare to spend time indoors during August in Bangkok, especially during bouts of heavy rains.

  • The average high temperature in August: 32.9°C

The warmest month (with the highest average high temperature) is April (35.4°C).
The month with the lowest average high temperature is December (31.7°C).

  • The average low temperature in August: 25.5°C

The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is December (22°C).

  • The average humidity in August: 76%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is December (66%).

  • The average rainfall in August: 219.3mm

The wettest month (with the highest rainfall) is September (334.3mm).
The driest month (with the lowest rainfall) is December (6.3mm).

  • The average rainfall days in August: 20 days

The month with the highest number of rainy days is September (21 days).
Months with the lowest number of rainy days are January and December (1 days).

  • The average sea temperature in August: 28.9°C

The best month for swimming (with the highest average sea temperature) is May (29.9°C).
The coldest month (with the lowest average sea temperature) is January (26.7°C).

  • The average daylight in August: 13h

Months with the longest days are May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

  • The average sunshine in August: 5.2h

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are August and September (Average sunshine: 5.2).

  • The average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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