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Cha Am Weather in May
May in Cha Am averages 34°C (93°F) during the day and 27°C (81°F) at night. Quite a bit of rainfall is typical this month, with around 99 mm (3.9 in) on average. An umbrella is a good idea.
Rainfall in Cha Am in May
Typically around 14 days of rainfall are expected, averaging 99 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Cha Am in May
In May, Cha Am gets very high temperatures, with highs of 34°C (93°F). Nights cool to around 27°C (81°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Cha Am in May
The days are predominantly sunny, with an estimated total of around 195 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.May in Cha Am has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Cha Am Temperature in May
Min Temperature
27°C (81°F)
Max Temperature
34°C (93°F)
Chance of Rain
46%
Precipitation
99 mm (3.9 in)
Rainy days
14 days
Humidity
74% *
Sunshine
195 hours *
Percentage Sunshine
*
* Data from: Hua Hin, Thailand (25 KM, 15 Miles).
Cha Am Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cha Am - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cha Am typically stay consistent throughout May, with daily highs averaging around 34°C (93°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 records for Cha Am in May
Browse day-by-day weather records for Cha Am spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cha Am historical weather extremes in May
Our historical data for Cha Am spans 1976 to 2026, revealing these weather extremes.
- The warmest day in May was on May 27, 1987, with a maximum of 39°C (102°F).
- On May 22, 2004, Cha Am saw its coldest May day with temperatures maxing out at 26°C (79°F).
- Cha Am registered its coldest May night on May 17, 2012, with temperatures dropping to 21°C (70°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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cha Am in May
Pack for serious heat in Cha Am in May. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Cha Am in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Cha Am 3-Day Forecast
More climate data for Cha Am
Temperature Rainfall Sunshine Humidity
See the full Cha Am climate overview or explore weather in Thailand.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bangkok
36°C (97°F) Chiang Mai
36°C (97°F) Jomtien Beach
33°C (91°F) Hua Hin33°C (91°F) Ao Nang Beach31°C (88°F) Koh Samui31°C (88°F) Ko Lanta31°C (88°F) Patong Beach30°C (86°F) Bucket list
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