Discover Kok Kood: a hidden gem in Thailand
Discover the hidden gem of Thailand - Koh Kood! Explore stunning beaches, waterfalls and eco-friendly resorts while enjoying a peaceful atmosphere away from the crowds.
This page shows both the average monthly rainfall and the number of rainy days in Pai, Mae Hong Son Province, Thailand. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.
Pai has a notably wet climate with abundant precipitation, recording 1432 mm (56 in) of rainfall per year. It does, however, have a distinct dry and rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, August receives substantial rainfall, averaging 302 mm (12 in) of precipitation, recorded across 25 rainy days.
In contrast, the driest month, February brings less rainfall, with 7.1 mm (0.3 in) over a single rainy day.
August, the wettest month, has a maximum daytime temperature of 29°C (84°F). During the driest month February you can expect a temperature of 31°C (88°F). For more detailed insights into the city's temperatures, visit our Pai Temperature page.
Average daily rainfall for each day of the month based on long-term records. 49-year average (1976-2025)
Browse day-by-day precipitation records for Pai spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Thailand. You can also select the different months in case you are interested in a specific month.
Pai's average annual precipitation is 1432 mm (56 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
The proximity of a location to a large body of water can significantly affect its rainfall patterns:
For more detailed information about Pai's weather, including sunshine hours, humidity levels, and temperature data, visit our Pai Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Pai - and find the best time to visit.
Temperature Rainfall
See the full Pai climate overview or explore weather in Thailand.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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