Phayao Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Phayao.

Climate overview of Phayao

Phayao, Phayao Province, Thailand, has a moderate seasonal temperature range, with April reaching 37°C (99°F) and January cooling to 29°C (84°F).

With around 1508 mm (59 in) of annual rainfall, Phayao has a notably wet climate. However, this rainfall is not evenly distributed — the city has distinct dry (November to March) and wet (May to September) seasons. The wettest month is August.

Phayao Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Phayao — and find the best time to visit.

Monthly Temperature in Phayao

The climate in Phayao experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a very hot 37°C (99°F) in April. In January, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 25°C (77°F) in April to 16°C (61°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Phayao

Phayao is known for its substantial rainfall, with annual precipitation reaching 1508 mm (59 in). Phayao can be quite wet during August, receiving approximately 291 mm (11 in) of precipitation over 21 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 9.4 mm (0.4 in) of precipitation spread across 2 rainy days days. For more details, please visit our Phayao Precipitation page.

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

Best Time to Visit Phayao

In general, temperatures in Phayao range from 29°C (84°F) to 37°C (99°F) across the year, with January, February, March, November and December being the best time to visit for those who prefer drier weather.

Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that May, June, July, August and September are part of the rainy season, bringing substantial rainfall.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Phayao

What is the best time to visit Phayao?

December typically offers the most optimal weather in Phayao. In contrast, March, April, May, June, July, August and September tend to have less optimal conditions. Phayao has distinct dry (November to March) and wet (May to September) seasons.

What temperatures can I expect in Phayao?

Daytime highs range from 29°C (84°F) in January to 37°C (99°F) in April. Nighttime lows range from 16°C (61°F) to 25°C (77°F).

How much rain does Phayao get?

Annual rainfall is around 1508 mm (59 in). August is the wettest month with 291 mm (11 in), while February is the driest with 9.4 mm (0.4 in).

Phayao 3-Day Forecast

Phayao 3-Day Forecast

Phayao on the map

Phayao is highlighted — select any city to see its climate.

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