The climate in Si That during April can be summarized as very hot and a little damp.
April is in the spring in Si That and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 35°C (96°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 35.4°C 95.7°F | 
|---|---|
| Nightly temperature | 24°C 75.2°F | 
| Average temperature | 29.7°C 85.5°F | 
| Daily sunshine | 8.7 hrs | 
| Avg rainfall | 82 mm 3.2 ins | 
| Rainy days | 8 days | 
| Sea temperature | 26.7°C 80°F | 
| Humidity | 65% | 
| Windspeed | 4.3kph 3 mph | 
On average April is the 6th driest month of the year in Si That with around 82mm 3.2 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 8.7 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 Si That in April 2025.
| Hottest month: | April | 35.1°C 95.2°F | 
|---|---|---|
| Driest month: | December | 3mm 0.1ins | 
| Sunniest month: | January | 9.8hrs | 
| Coldest month: | December | 28.4°C 83.1°F | 
| Wettest month: | August | 274mm 10.8ins |