Measured, not vibes
Best Time to Visit Bangkok
By measured weather comfort, the top months for Bangkok are December, January, November — and RouteVerdict's editorial pick, which also weighs crowds and prices, is January, February, November, December. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at Bangkok (12 m elevation).
Month by month
Bangkok weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 31.9°C / 89°F | 2.3 | 59 | Best |
| February | 32.5°C / 91°F | 5.2 | 51 | |
| March | 33.3°C / 92°F | 7.5 | 44 | Shoulder |
| April | 34.1°C / 93°F | 10 | 37 | |
| May | 33.6°C / 92°F | 16.3 | 34 | |
| June | 32.9°C / 91°F | 20.2 | 36 | |
| July | 31.7°C / 89°F | 22.2 | 41 | |
| August | 31.7°C / 89°F | 22.8 | 41 | |
| September | 30.9°C / 88°F | 23.3 | 44 | |
| October | 30.6°C / 87°F | 18.5 | 46 | Shoulder |
| November | 31.4°C / 89°F | 10 | 52 | Best |
| December | 31.3°C / 88°F | 3 | 61 | Best |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
FAQ
Bangkok timing questions
What is the best month to visit Bangkok?
By measured weather comfort (ERA5 2020–2024), the top months are December, January, and November, with December scoring highest. RouteVerdict's editorial pick is January, February, November, and December, which also weighs crowds, prices, and events.
What is the hottest month in Bangkok?
April, with an average daily high of 34.1°C (93°F).
What is the rainiest month in Bangkok?
September, averaging 23.3 days with at least 1 mm of precipitation.
When is shoulder season in Bangkok?
October and March — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.