Bangkok Weather in May
Thinking of visiting Bangkok in May? Expect extremely high temperatures reaching 36°C (97°F) during the day, dropping to 28°C (82°F) at night. Heavy showers are common during the rainy season.
Rainfall in Bangkok in May
As part of the rainy season, Bangkok sees around 14 days of rain in May, with an average of 201 mm (7.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Bangkok in May
May in Bangkok brings typical temperatures with highs around 36°C (97°F) and lows of 28°C (82°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain warm at around 28°C (82°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Bangkok in May
The month enjoys around 216 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.
Wind Speed in Bangkok in May
Average wind conditions reach 1 m/s (2 knots) in May. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and December typically offer the best weather for Bangkok.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Bangkok's climate page.
Bangkok Temperature in May
Min Temperature
28°C (82°F)
Max Temperature
36°C (97°F)
Chance of Rain
48%
Precipitation
201 mm (7.9 in)
Rainy days
14 days
Humidity
75%
Windspeed
1 m/s (2 knots)
Sunshine
216 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bangkok typically stay consistent throughout May, with daily highs averaging around 36°C (97°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Bangkok in May
Browse day-by-day weather records for Bangkok spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bangkok historical weather extremes in May
The extremes listed below come from historical weather data collected in Bangkok from 1976 through 2025.
- The hottest May day on record in Bangkok reached 40°C (104°F) (May 5, 1997).
- Bangkok experienced its chilliest May day on May 8, 1986, reaching only 27°C (81°F).
- Bangkok registered its coldest May night on May 18, 1978, with temperatures dropping to 20°C (68°F).
Best Places in Thailand in May
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in May →
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unpleasant
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What to Wear in Bangkok in May
Hot weather in May means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Bangkok in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Bangkok's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Bangkok climate overview or explore weather in Thailand.
