Known as the 'gateway to the south,' Chumphon province marks the narrowest point of the Thai-Malay peninsula. It is the departure point for ferries to Koh Tao and was historically an important tin-mining region. Admiral Chumphon, the father of the Royal Thai Navy, is honored with a shrine at Hat Sai Ri beach that draws pilgrims from across Thailand.
Nights sit around 25°C and afternoons around 31°C.
Chumphon barely changes season: afternoons sit around 32°C and nights around 24°C most of the year.
Some April days reach 37°C.
There is a clear wet season from May – December, peaking in November with around 259 mm. The driest month is February, with about 52 mm.
Wind is rarely an issue; most months sit between calm and a light breeze. Air quality is worth watching: January averages an AQI of 65, while September clears to 26.
Daylight is steady all year, around 12.0 hours a day.
For what you're after, the best months in Chumphon are January – April. Expect fast internet (260 Mbps) and a low cost of living (about €500 a month).
Affiliate links: if you book through them I earn a small commission, at no extra cost to you.