Pai Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pai.
Climate overview of Pai
The climate in Pai, like the rest of northern Thailand, can be roughly divided into three seasons. The warm season is relatively short, lasting from mid-March to late June. After that, the rainy season officially begins, with September and October seeing the highest rainfall.
From November, the cool season begins, with night temperatures dropping some days below 10°C (50°F), especially in the hills. During the day, however, it remains sunny and dry, with temperatures around 25°C (77°F)–30°C (86°F). Despite these cooler night temperatures, winter is a great time to visit Pai.
Pai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pai - and find the best time to visit.
Monthly Temperature in Pai
In Pai, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a very warm 35°C (95°F) in April to a comfortable 27°C (81°F) in December.
Nighttime temperatures range from 22°C (72°F) in April to 13°C (55°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pai
Pai has a notably wet climate with abundant precipitation, recording 1432 mm (56 in) of rainfall per year. The seasons in Pai bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 302 mm (12 in) of precipitation. This rainfall is distributed across 25 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 7.1 mm (0.3 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Pai Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Pai
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, November and December
- Warmest weather: March and April
- Fewest rainy days: January, February, March and December
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: Distinct dry (November to March) and wet (May to September) seasons
Frequently asked questions about the climate in Pai
What is the best time to visit Pai?
January, November and December typically offer the most optimal weather in Pai. In contrast, March, April, June, July, August and September tend to have less optimal conditions. Pai has distinct dry (November to March) and wet (May to September) seasons.
What temperatures can I expect in Pai?
Daytime highs range from 27°C (81°F) in December to 35°C (95°F) in April. Nighttime lows range from 13°C (55°F) to 22°C (72°F).
How much rain does Pai get?
Annual rainfall is around 1432 mm (56 in). August is the wettest month with 302 mm (12 in), while February is the driest with 7.1 mm (0.3 in).
Pai 3-Day Forecast
Pai on the map
Pai is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bangkok
34°C (93°F) Jomtien Beach
32°C (90°F) Hua Hin32°C (90°F) Chiang Mai32°C (90°F) Koh Samui30°C (86°F) Ao Nang Beach30°C (86°F) Ko Lanta30°C (86°F) Patong Beach30°C (86°F) 
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