Krabi weather by month

When to go to Krabi

For beach weather, look at months where the daytime average clears 25°C and rainy days stay low: January, February, March, April, May, June, July, August, September, October, November, December. October is the wettest month (346 mm, about 29 rainy days) and February the driest (48 mm). The sea is warmest in April at 30.4°C and coolest in January at 28.2°C.

Getting there

A direct flight from London Gatwick to Krabi International Airport (KBV, 9 km from Krabi) takes roughly 13 h 12 min - long-haul (7 h+) by UK standards. Time-zone: Asia/Bangkok.

Records and extremes, 1991-2020

The hottest day recorded in Krabi between 1991 and 2020 reached 36.9°C on 15 March 2020; the coldest fell to 18.4°C on 8 February 2017. In March one day in ten tops 34.8°C and about 88% of days pass 30°C; in September one night in ten drops to 23.5°C or below. The wettest single month of the period was November 2000 with 593 mm, against a November average of 242 mm.

January to March: favour the earlier months for drier weather

January suits travellers who want warmth without choosing Krabi's hottest weather: days average 30°C and nights 23°C. February turns up the heat but has fewer rainy days, making it the better choice if outdoor time matters most. Its 5 hours of daily sunshine still leave room for cloud, so do not expect uninterrupted blue skies. March keeps the warm sea and similar sunshine, but rain becomes more frequent, averaging 13 days. It is also the hottest month, so plan shade breaks rather than treating it as a straightforward extension of February. Across this period, light clothing makes sense, with something packable for showers still useful.

April to October: warmth stays, but rain shapes the holiday

April is hot rather than reliably dry, with daytime temperatures of 32°C and rain on 23 days. It suits travellers who prioritise warmth and do not mind changing outdoor plans. May brings more frequent rain, so fixed schedules become harder to rely on. From June through September, daytime averages settle around 29°C, but that slight cooling does not bring a dry-weather window. Sunshine averages just 2 hours daily across this wetter stretch, making a holiday centred on clear skies a poor fit. October is the biggest compromise, with 28 rainy days. Bring light clothes that dry easily and rain protection, and leave room to move outdoor activities around the weather.

November and December: improving conditions, with a lingering catch

November is still a wet-weather choice rather than a dependable start to the drier season. Its 23 rainy days and 2 hours of daily sunshine mean you should keep the same flexible approach as in the preceding months. December offers a clearer improvement: rainy days fall to 15 and sunshine rises to 3 hours. Daytime temperatures remain at 29°C, while nights ease to 23°C, so the change is more about rain than a dramatic drop in warmth. December suits travellers who want a better chance of outdoor time but can accept showers. If fewer rain interruptions are your priority, January and February remain stronger choices.