Koh Phayam Weather & Climate: Best Time to Visit

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

Climate overview of Koh Phayam

Koh Phayam, in Thailand's Ranong Province, maintains fairly consistent warm temperatures throughout the year with little seasonal change. The island experiences heavy rainfall spread across all seasons, keeping the tropical vegetation thick and green. Koh Phayam is a small island which attracts backpackers and travelers seeking a quiet beach escape where people come to relax on empty beaches and enjoy the laid-back atmosphere. Let's explore the climate details to provide you with a complete overview on when to visit.

Koh Phayam Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Koh Phayam - and find the best time to visit.

Monthly Temperature in Koh Phayam

With minimal seasonal shifts, Koh Phayam experiences a constant climate year-round. Average daytime temperatures reach a very warm 31°C (88°F) in April. In September, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 27°C (81°F) in April to 25°C (77°F) in September.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Koh Phayam

Koh Phayam has a notably wet climate with abundant precipitation, recording 2545 mm (100 in) of rainfall per year. Koh Phayam can be quite wet during September, receiving approximately 424 mm (17 in) of precipitation over 25 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 22 mm (0.9 in) of precipitation spread across 3 rainy days. For more details, please visit our Koh Phayam Precipitation page.

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

Sunshine Hours in Koh Phayam

Koh Phayam can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 7.8 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 3.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Ranong, Thailand (33 KM, 21 Miles).

Daily hours of sunshine

Data from: Ranong, Thailand (33 KM, 21 Miles).

Humidity in Koh Phayam by Month

Best Time to Visit Koh Phayam

The most comfortable overall weather for exploring Koh Phayam is usually found in February. Conditions are generally least comfortable in May, June, July, August, September and October.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: February
  • Warmest weather: January, February, March, April, May, June, November and December
  • Most sunshine: January
  • Fewest rainy days: January, February and March
  • Wettest months: May, June, July, August, September and October, when rainfall is highest.
  • Seasonal pattern: A distinct rainy season from May to October

Frequently asked questions about the climate in Koh Phayam

What is the best time to visit Koh Phayam?

February typically offers the most optimal weather in Koh Phayam. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Koh Phayam has a distinct rainy season from May to October.

What temperatures can I expect in Koh Phayam?

Daytime highs range from 29°C (84°F) in September to 31°C (88°F) in April. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.

How much rain does Koh Phayam get?

Annual rainfall is around 2545 mm (100 in). September is the wettest month with 424 mm (17 in), while February is the driest with 22 mm (0.9 in).

How sunny is Koh Phayam?

Koh Phayam receives around 1,961 hours of sunshine per year. January is the sunniest month with 234 hours, while September is the cloudiest with just 109 hours.

Koh Phayam 3-Day Forecast

Koh Phayam on the map

Koh Phayam is highlighted - select any city to see its climate.

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