Ratchaburi in May
4.4out of 10
Not the best time
Very hot: daytime highs around 35°C. Very wet: about 22 rainy days.
35°CAvg high
27°CAvg low
22Rainy days (127 mm)
12:38 hDaylight
05:58Sunrise · 18:36 Sunset
Why this score
- Very hot: daytime highs around 35°C
- Very wet: about 22 rainy days
- Rain varies a lot between years (±4.2 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 (±4.2 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 | 32°C | 21°C | 12 mm | 2 | – | – | 8.1 |
| February | 33°C | 23°C | 10 mm | 2 | – | – | 7.6 |
| March | 35°C | 25°C | 37 mm | 7 | – | – | 6.6 |
| April | 36°C | 26°C | 68 mm | 12 | – | – | 5.5 |
| May | 35°C | 27°C | 127 mm | 22 | – | – | 4.4 |
| June | 34°C | 26°C | 114 mm | 21 | – | – | 4.8 |
| July | 33°C | 26°C | 134 mm | 22 | – | – | 4.9 |
| August | 33°C | 26°C | 142 mm | 23 | – | – | 5.0 |
| September | 33°C | 25°C | 199 mm | 24 | – | – | 5.1 |
| October | 32°C | 25°C | 186 mm | 21 | – | – | 5.4 |
| November | 32°C | 23°C | 45 mm | 6 | – | – | 7.5 |
| December | 31°C | 22°C | 10 mm | 2 | – | – | 8.3 |
Frequently asked questions
How hot is Ratchaburi in May?
Daytime highs average 35°C and nights about 27°C.
When is the best time to visit Ratchaburi?
The best months are December, January.