Cambodia is blessed with one of the simplest climates in Asia. In general, the whole country is subject to the same weather patterns, mainly due to the relatively uniform altitude and latitude throughout Cambodia.
Best time to visit Cambodia is dry season runs from October to the end of April, which is best time relax on Cambodian beaches. The rainy season runs from May to the end of September is good time to visit temples. The heaviest rains are generally in August and September (they account for almost 75% of Cambodia's annual rainfall). Average temperatures range from 24°C in the cooler months of October to December, and up to 35°C in the warmest time of the year from March to June.
Humidity is highest during March and April.
Although there are two different stations, there is no specific best time to visit Cambodia. You can travel to Cambodia throughout the year.