The climate in Nikhom Nam Un during April can be summarized as very hot and a little damp.
April is in the spring in Nikhom Nam Un and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 34.9°C 94.7°F | 
|---|---|
| Nightly temperature | 23.8°C 74.8°F | 
| Average temperature | 29.3°C 84.7°F | 
| Daily sunshine | 8.3 hrs | 
| Avg rainfall | 90 mm 3.6 ins | 
| Rainy days | 9 days | 
| Sea temperature | 26.1°C 79°F | 
| Humidity | 67% | 
| Windspeed | 4.7kph 3 mph | 
On average April is the 6th wettest month of the year in Nikhom Nam Un with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 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 Nikhom Nam Un in April 2025.
| Hottest month: | April | 34.6°C 94.3°F | 
|---|---|---|
| Driest month: | December | 2mm 0.1ins | 
| Sunniest month: | January | 9.6hrs | 
| Coldest month: | December | 28.1°C 82.6°F | 
| Wettest month: | August | 348mm 13.7ins |