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Best time to visit · Thailand
December & January are the best time to visit Bangkok on the climate data: December scores 79/100, with highs around 87°F (31°C) and 0.4 in (10 mm) of rain. February and November are good shoulder-season months. The toughest months are May and August & September, mainly because of rain.
Highs run from 87°F to 97°F across the year, and the yearly total is about 53.6 in (1361 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 91°F33°C | 96°F35°C | 97°F36°C | 97°F36°C | 92°F34°C | 89°F32°C | 89°F31°C | 88°F31°C | 87°F30°C | 87°F30°C | 87°F30°C | 87°F31°C |
| Avg low | 68°F20°C | 72°F22°C | 76°F24°C | 78°F26°C | 78°F26°C | 77°F25°C | 76°F24°C | 75°F24°C | 75°F24°C | 74°F24°C | 71°F22°C | 67°F19°C |
| Rain | 0.6 in16 mm | 0.6 in14 mm | 1.9 in47 mm | 3.0 in75 mm | 6.5 in164 mm | 6.5 in165 mm | 6.7 in169 mm | 7.1 in181 mm | 10.9 in278 mm | 8.0 in203 mm | 1.5 in39 mm | 0.4 in10 mm |
| Humidity | 64% | 61% | 62% | 66% | 76% | 80% | 81% | 82% | 85% | 85% | 80% | 71% |
| Cloud | 40% | 35% | 48% | 61% | 84% | 89% | 91% | 92% | 91% | 78% | 59% | 47% |
| Comfort | 74 | 65 | 57 | 50 | 37 | 38 | 39 | 37 | 31 | 40 | 70 | 79 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 4 m (13 ft), close to Bangkok's own ~7 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
Temperatures barely move through the year in Bangkok (highs stay between 87°F and 97°F), so rain is what really separates the seasons.
Expect steady highs of 87–97°F (30–36°C). It's the driest half, with only about 7.9 in (201 mm) of rain, 15% of the year's total. November feels humid, with humidity near 80%. Comfort peaks here: December & January rank with the year's best, and the season averages 66/100.
Temperatures slide from 92°F highs in May to 87°F by October. It's the wettest half, with about 45.7 in (1160 mm) of rain, 85% of the year's total. May – October feel humid, with humidity near 76%. Comfort scores bottom out in May and August & September; the season averages 37/100.
By comfort score: 1 Great, 3 Good, 2 Fair and 6 Tough. Great months: December. Tap a month for its own guide.
December & January are the best time to visit Bangkok on the climate data: December scores 79/100, with highs around 87°F (31°C) and 0.4 in (10 mm) of rain. February and November are good shoulder-season months. The toughest months are May and August & September, mainly because of rain.
September is the wettest month, averaging about 10.9 in (278 mm) of rain. December is the driest, with about 0.4 in (10 mm). The yearly total is around 53.6 in (1361 mm).
December is the coldest, with average lows of 67°F (19°C) and highs of 87°F (31°C). The warmest is March, with average highs of 97°F (36°C).
Yes for much of the year: humidity averages 74% annually, and May – November combine warmth with 75%+ humidity, which feels sticky.
The wettest three-month stretch is August – October, with about 26.1 in (662 mm) of rain combined. The driest stretch is December – February, with about 1.6 in (40 mm).
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