January in Bangkok — reliably good (2nd best month)
Good · 8/10January averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 7 mm for the month, with about 22 sunny days and 11.3 hours of daylight to work with.
It scores 8/10 here, 2nd of 12 months, against 8.3/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
February in Bangkok — reliably good (3rd best month)
Good · 7/10February averages 29°C (84°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 35 mm of rain — occasional showers rather than washed-out days — alongside about 21 sunny days and 11.5 daylight hours.
It scores 7/10 here, 3rd of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March in Bangkok — workable with trade-offs
Trade-offs · 6.6/10March averages 31°C (87°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 37 mm of rain — occasional showers rather than washed-out days — alongside about 26 sunny days and 11.9 daylight hours.
It scores 6.6/10 here, 4th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
If your dates are flexible, December is materially better in Bangkok — 1.7 points higher on the same scale.
April in Bangkok — workable with trade-offs
Trade-offs · 6.5/10April averages 32°C (90°F) at 60% humidity — genuinely punishing heat. Anything outdoors needs to happen before 10am.
Expect 41 mm of rain — occasional showers rather than washed-out days — alongside about 27 sunny days and 12.3 daylight hours.
It scores 6.5/10 here, 5th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
If your dates are flexible, December is materially better in Bangkok — 1.8 points higher on the same scale.
May in Bangkok — the hardest end of the year
Hardest · 3.3/10May averages 30°C (87°F) with humidity around 73%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 183 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.3/10 here, 9th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 5 points higher on the same scale.
June in Bangkok — the hardest end of the year
Hardest · 4.3/10June averages 29°C (84°F) with humidity around 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 130 mm this is a genuinely wet month: about 23 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.3/10 here, 7th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 4 points higher on the same scale.
July in Bangkok — the hardest end of the year
Hardest · 3.3/10July averages 28°C (83°F) with humidity around 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
230 mm of rain puts this in monsoon territory — about 20 sunny days across the whole month, and multi-day washouts are normal.
It scores 3.3/10 here, 10th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 5 points higher on the same scale.
August in Bangkok — the hardest end of the year
Hardest · 3.3/10August averages 28°C (83°F) with humidity around 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
244 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.
It scores 3.3/10 here, 11th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 5 points higher on the same scale.
September in Bangkok — the hardest end of the year
Hardest · 3.1/10September averages 28°C (82°F) with humidity around 86%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
344 mm of rain puts this in monsoon territory — about 18 sunny days across the whole month, and multi-day washouts are normal.
It scores 3.1/10 here, 12th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 5.2 points higher on the same scale.
October in Bangkok — the hardest end of the year
Hardest · 3.5/10October averages 27°C (81°F) with humidity around 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
208 mm of rain puts this in monsoon territory — about 18 sunny days across the whole month, and multi-day washouts are normal.
It scores 3.5/10 here, 8th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bangkok — 4.8 points higher on the same scale.
November in Bangkok — workable with trade-offs
Trade-offs · 6.5/10November averages 26°C (80°F) with humidity around 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 57 mm, so plan one flexible day in three; you still get about 18 sunny days and 11.4 hours of daylight.
It scores 6.5/10 here, 6th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
If your dates are flexible, December is materially better in Bangkok — 1.8 points higher on the same scale.
December in Bangkok — the year's strongest window
Best window · 8.3/10December averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 5 mm for the month, with about 20 sunny days and 11.2 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Bangkok at 8.3/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
