Bay
Ao Yai
Trat · Thailand · Gulf of Thailand
12.0688, 102.2747 · Ko Chang, 4 km
- 30°Sea · May
- 30°High · April
- 7.5 hSunshine · December
Your month at the beach
Ao Yai in January
- 28°CAir, daytime high24°C at night
- 28°CSea temperature
- 7.4 hSunshine a day
- 6 daysRainy days in the month45 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in February
- 28°CAir, daytime high24°C at night
- 28°CSea temperature
- 6.8 hSunshine a day
- 7 daysRainy days in the month53 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in March
- 29°CAir, daytime high26°C at night
- 29°CSea temperature
- 6.3 hSunshine a day
- 14 daysRainy days in the month106 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in April
- 30°CAir, daytime high27°C at night
- 30°CSea temperature
- 6.3 hSunshine a day
- 17 daysRainy days in the month151 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in May
- 29°CAir, daytime high27°C at night
- 30°CSea temperature
- 5.2 hSunshine a day
- 26 daysRainy days in the month369 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in June
- 28°CAir, daytime high27°C at night
- 30°CSea temperature
- 4.7 hSunshine a day
- 28 daysRainy days in the month556 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in July
- 28°CAir, daytime high26°C at night
- 29°CSea temperature
- 4.4 hSunshine a day
- 30 daysRainy days in the month691 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in August
- 28°CAir, daytime high26°C at night
- 29°CSea temperature
- 3.9 hSunshine a day
- 29 daysRainy days in the month581 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in September
- 28°CAir, daytime high26°C at night
- 29°CSea temperature
- 3.9 hSunshine a day
- 29 daysRainy days in the month610 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in October
- 28°CAir, daytime high26°C at night
- 29°CSea temperature
- 5.4 hSunshine a day
- 25 daysRainy days in the month324 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in November
- 28°CAir, daytime high25°C at night
- 29°CSea temperature
- 6.7 hSunshine a day
- 12 daysRainy days in the month105 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Ao Yai in December
- 28°CAir, daytime high24°C at night
- 28°CSea temperature
- 7.5 hSunshine a day
- 5 daysRainy days in the month36 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 126Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 23 kmAirport: Trat Airport (TDX)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 27.7 °C — 0.4 °C below the 1991–2020 average.
1991–2020 average: 28.1 °C
1991–2020 average: 27.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 28.6 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 28.2 °C
1991–2020 average: 28.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 29.2 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.0 °C
1991–2020 average: 29.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 30.1 °C — about the same as the 1991–2020 average.
1991–2020 average: 30.1 °C
1991–2020 average: 29.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 30.8 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 30.5 °C
1991–2020 average: 29.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 29.9 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.7 °C
1991–2020 average: 28.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 29.3 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.3 °C
1991–2020 average: 27.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 29.4 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 29.0 °C
1991–2020 average: 27.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 29.1 °C — about the same as the 1991–2020 average.
1991–2020 average: 28.9 °C
1991–2020 average: 27.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 29.4 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.3 °C
1991–2020 average: 28.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 28.9 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.1 °C
1991–2020 average: 28.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 28.1 °C — about the same as the 1991–2020 average.
1991–2020 average: 28.4 °C
1991–2020 average: 27.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan28°7 h45 mm
- Feb28°7 h53 mm
- Mar29°6 h106 mm
- Apr30°6 h151 mm
- May30°5 h369 mm
- Jun30°5 h556 mm
- Jul29°4 h691 mm
- Aug29°4 h581 mm
- Sep29°4 h610 mm
- Oct29°5 h324 mm
- Nov29°7 h105 mm
- Dec28°8 h36 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Ao Yai: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 28 | 24 | 28 | 45 | 6 | 7.4 | 8 |
| February | 28 | 24 | 28 | 53 | 7 | 6.8 | 8 |
| March | 29 | 26 | 29 | 106 | 14 | 6.3 | 9 |
| April | 30 | 27 | 30 | 151 | 17 | 6.3 | 8 |
| Maywarmest sea | 29 | 27 | 30 | 369 | 26 | 5.2 | 10 |
| June | 28 | 27 | 30 | 556 | 28 | 4.7 | 11 |
| July | 28 | 26 | 29 | 691 | 30 | 4.4 | 12 |
| August | 28 | 26 | 29 | 581 | 29 | 3.9 | 13 |
| September | 28 | 26 | 29 | 610 | 29 | 3.9 | 11 |
| October | 28 | 26 | 29 | 324 | 25 | 5.4 | 8 |
| November | 28 | 25 | 29 | 105 | 12 | 6.7 | 8 |
| December | 28 | 24 | 28 | 36 | 5 | 7.5 | 9 |
Swipe sideways to see the other columns.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 26 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 17 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 26 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |