Watthana Weather in May
What's the weather like in Watthana (Bangkok) in May 2025?
The climate in Watthana during May can be summarized as very hot, humid and wet.
May is in the spring in Watthana and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 26°C (78°F) is normal.
| Daytime temperature | 34.1°C 93.4°F |
|---|---|
| Nightly temperature | 25.7°C 78.3°F |
| Average temperature | 29.9°C 85.8°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 182 mm 7.2 ins |
| Rainy days | 15 days |
| Sea temperature | 30.3°C 86.5°F |
| Humidity | 77% |
| Windspeed | 7.2kph 5 mph |
On average May is the 4th wettest month of the year in Watthana with around 182mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
May temperatures in Watthana
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Watthana in May 2024.
Other monthly averages
Watthana weather stats
| Hottest month: | April | 34.7°C 94.5°F |
|---|---|---|
| Driest month: | January | 8mm 0.3ins |
| Sunniest month: | January | 9.2hrs |
| Coldest month: | December | 31.1°C 88°F |
| Wettest month: | September | 292mm 11.5ins |
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