Rayong in May
5.3out of 10
Not the best time
Hot: daytime highs around 32°C. Very wet: about 25 rainy days.
32°CAvg high
26°CAvg low
25Rainy days (220 mm)
12:35 hDaylight
05:54Sunrise · 18:29 Sunset
Why this score
- Hot: daytime highs around 32°C
- Very wet: about 25 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in May varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 31°C | 22°C | 28 mm | 6 | – | – | 7.7 |
| February | 31°C | 24°C | 32 mm | 7 | – | – | 7.5 |
| March | 32°C | 25°C | 82 mm | 14 | – | – | 6.4 |
| April | 32°C | 26°C | 134 mm | 19 | – | – | 5.4 |
| May | 32°C | 26°C | 220 mm | 25 | – | – | 5.3 |
| June | 31°C | 26°C | 211 mm | 25 | – | – | 5.5 |
| July | 31°C | 26°C | 206 mm | 25 | – | – | 5.6 |
| August | 31°C | 26°C | 196 mm | 25 | – | – | 5.5 |
| September | 31°C | 25°C | 303 mm | 26 | – | – | 5.6 |
| October | 31°C | 25°C | 254 mm | 23 | – | – | 5.6 |
| November | 31°C | 24°C | 59 mm | 9 | – | – | 7.3 |
| December | 31°C | 22°C | 17 mm | 3 | – | – | 8.1 |
Frequently asked questions
How hot is Rayong in May?
Daytime highs average 32°C and nights about 26°C.
When is the best time to visit Rayong?
The best months are December, January, February.