The climate in Sigiriya during May can be summarized as hot, humid and a little damp.
May is in the spring in Sigiriya and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.8°C 89.2°F | 
|---|---|
| Nightly temperature | 23.9°C 74.9°F | 
| Average temperature | 27.8°C 82°F | 
| Daily sunshine | 7 hrs | 
| Avg rainfall | 97 mm 3.8 ins | 
| Rainy days | 8 days | 
| Sea temperature | 29.6°C 85.2°F | 
| Humidity | 75% | 
| Windspeed | 12.6kph 8 mph | 
On average May is the 6th driest month of the year in Sigiriya with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
				
						
						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 Sigiriya in May 2025.
| Hottest month: | May | 31.6°C 88.9°F | 
|---|---|---|
| Driest month: | June | 55mm 2.2ins | 
| Sunniest month: | March | 8.9hrs | 
| Coldest month: | January | 28.2°C 82.8°F | 
| Wettest month: | November | 298mm 11.7ins |