Cha Am Weather & Climate: Best Time to Visit

The climate in Cha Am remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 34°C (93°F) in April, the warmest time of the year, to a very warm 30°C (86°F) during cooler months like December.

At night, you can expect temperatures ranging from 27°C (81°F) in April to around 24°C (75°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Cha Am is known for its substantial rainfall, with annual precipitation reaching 1019 mm (40 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 254 mm (10 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month February brings less rainfall, with 13 mm (0.5 in) over 2 rainy days. For more details, please visit our Cha Am Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Cha Am. While March receives considerable daily sunshine with up to 9.2 hours, September marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Cha Am.

The city experiences its highest humidity in October, reaching 80%. In December, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year