Ko Pha-ngan Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Ko Pha-ngan.

Climate overview of Ko Pha-ngan

Ko Pha-ngan, Thailand, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in May at 31°C (88°F) and dipping in January to 29°C (84°F).

The city receives considerable rainfall, with around 1813 mm (71 in) annually. October is the wettest month. It has a distinct rainy season from September to November. March is the sunniest month, averaging 8.0 hours of sunshine per day.

Ko Pha-ngan Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ko Pha-ngan - and find the best time to visit.

Monthly Temperature in Ko Pha-ngan

With minimal seasonal shifts, Ko Pha-ngan experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in May to a comfortable 29°C (84°F) in the coolest month, January.

Nights vary from 28°C (82°F) in May to around 26°C (79°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Ko Pha-ngan

Ko Pha-ngan has a notably wet climate with abundant precipitation, recording 1813 mm (71 in) of rainfall per year. The climate in Ko Pha-ngan shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 319 mm (13 in) of precipitation over 20 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 44 mm (1.7 in) of rainfall over 5 rainy days. For more details, please visit our Ko Pha-ngan Precipitation page.

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

Sunshine Hours in Ko Pha-ngan

For those who appreciate different seasons, Ko Pha-ngan serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 8.0 hours of sunshine daily, and embrace the darker days in September, offering only 4.9 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Humidity in Ko Pha-ngan by Month

Best Time to Visit Ko Pha-ngan

The most comfortable overall weather for exploring Ko Pha-ngan is usually found in January and February. Conditions are generally least comfortable in September, October and November.

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

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

Frequently asked questions about the climate in Ko Pha-ngan

What is the best time to visit Ko Pha-ngan?

January and February typically offer the most optimal weather in Ko Pha-ngan. In contrast, September, October and November tend to have less optimal conditions. Ko Pha-ngan has a distinct rainy season from September to November.

What temperatures can I expect in Ko Pha-ngan?

Daytime highs range from 29°C (84°F) in January to 31°C (88°F) in May. Nighttime lows range from 26°C (79°F) to 28°C (82°F). Temperatures stay relatively stable year-round.

How much rain does Ko Pha-ngan get?

Annual rainfall is around 1813 mm (71 in). October is the wettest month with 319 mm (13 in), while February is the driest with 44 mm (1.7 in).

How sunny is Ko Pha-ngan?

Ko Pha-ngan receives around 2,160 hours of sunshine per year. March is the sunniest month with 240 hours, while September is the cloudiest with just 146 hours. Overall, Ko Pha-ngan enjoys abundant sunshine.

Ko Pha-ngan 3-Day Forecast

Ko Pha-ngan on the map

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