Bangkok in May
In May, Bangkok averages 34°C (93°F) during the day and 26°C (79°F) at night, with frequent rain — about 14 days of the month see precipitation (198 mm total).
Off-peakConditions are very hot — early-morning and evening sightseeing recommended. Plan for unsettled weather and bring rain gear.
May is one of the wetter and less comfortable months in Bangkok. If your dates are flexible, consider a different time of year.
How May compares to the rest of the year in Bangkok
May is one of the warmest months in Bangkok (3rd of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C above the annual average (33°C). May runs 2°C cooler than April (36°C) and cools 1°C in June (33°C).
May sunrise & sunset in Bangkok
Times shown for Bangkok local time (Asia/Bangkok), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Bangkok — May
Golden-hour and blue-hour windows for the 15th of May, in Bangkok's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bangkok in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Off-peak) and Bangkok's popularity.
Crowds & pricing — May in Bangkok
This is off-peak for Bangkok — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: challenging tourism weather
Sun & mosquito risk — May in Bangkok
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Bangkok in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 22°C / 72°F | 13 mm | 1 | — |
| February | 33°C / 91°F | 24°C / 75°F | 20 mm | 2 | — |
| March | 35°C / 95°F | 26°C / 79°F | 35 mm | 4 | — |
| April | 36°C / 97°F | 27°C / 81°F | 81 mm | 6 | — |
| May | 34°C / 93°F | 26°C / 79°F | 198 mm | 14 | — |
| June | 33°C / 91°F | 26°C / 79°F | 175 mm | 15 | — |
| July | 33°C / 91°F | 26°C / 79°F | 173 mm | 15 | — |
| August | 32°C / 90°F | 25°C / 77°F | 185 mm | 16 | — |
| September | 32°C / 90°F | 25°C / 77°F | 333 mm | 18 | — |
| October | 32°C / 90°F | 25°C / 77°F | 290 mm | 16 | — |
| November | 32°C / 90°F | 23°C / 73°F | 51 mm | 5 | — |
| December | 31°C / 88°F | 21°C / 70°F | 8 mm | 1 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Bangkok in May →
Frequently asked questions
How hot is Bangkok in May?
In May, Bangkok averages a high of 34°C (93°F) and a low of 26°C (79°F) — generally hot.
Does it rain a lot in Bangkok in May?
May can be fairly wet in Bangkok, with about 14 rainy days on average.
Is May a good time to visit Bangkok?
May is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bangkok in May?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Bangkok for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.