Por Bay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Por Bay.
Climate overview of Por Bay
Por Bay, Phuket Province, Thailand, enjoys a steady climate throughout the year, with daytime temperatures typically around 30°C (86°F). April is the warmest month at 31°C (88°F), while October is the coolest at 29°C (84°F).
The city receives considerable rainfall, with around 2327 mm (92 in) annually. September is the wettest month. It has a distinct rainy season from May to November. The most sunshine falls in January, with an average of 7.8 hours of daily sunshine.
Por Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Por Bay - and find the best time to visit.
Monthly Temperature in Por Bay
The temperature in Por Bay remains steady throughout the year, providing a consistently very warm climate. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in April to a comfortable 29°C (84°F) in the coolest month, October.
Nights vary from 27°C (81°F) in April to around 25°C (77°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Por Bay
Por Bay has a relatively rainy climate with high precipitation levels, averaging 2327 mm (92 in) of rainfall annually. The climate in Por Bay shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 325 mm (13 in) of precipitation over 23 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 33 mm (1.3 in) of rainfall over 4 rainy days. For more details, please visit our Por Bay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Por Bay
For those who appreciate different seasons, Por Bay serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 7.8 hours of sunshine daily, and embrace the darker days in September, offering only 3.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Por Bay
The mean water temperature over the year ranges from 27°C (81°F) in January to 30°C (86°F) in May.
Water temperature over the year
Humidity in Por Bay by Month
The relative humidity is high throughout the year in Por Bay.
The city experiences its highest humidity in August, reaching 82%. In January, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Por Bay
The average wind speed over the year ranges from 1 m/s (2 knots) to 3 m/s (6 knots). It is lower in November and higher in June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Por Bay
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March and December
- Warmest weather: all year round
- Most sunshine: January
- Fewest rainy days: January, February and March
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: A distinct rainy season from May to November
Frequently asked questions about the climate in Por Bay
What is the best time to visit Por Bay?
January, February, March and December typically offer the most optimal weather in Por Bay. In contrast, May, June, July, August, September, October and November tend to have less optimal conditions. Por Bay has a distinct rainy season from May to November.
What temperatures can I expect in Por Bay?
Daytime highs range from 29°C (84°F) in October 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 Por Bay get?
Annual rainfall is around 2327 mm (92 in). September is the wettest month with 325 mm (13 in), while February is the driest with 33 mm (1.3 in).
How sunny is Por Bay?
Por Bay receives around 2,066 hours of sunshine per year. January is the sunniest month with 235 hours, while September is the cloudiest with just 100 hours. Overall, Por Bay enjoys abundant sunshine.
Por Bay 3-Day Forecast
Por Bay on the map
Por Bay is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bangkok
34°C (93°F) Chiang Mai33°C (91°F) Jomtien Beach32°C (90°F) Hua Hin32°C (90°F) Ao Nang Beach30°C (86°F) Koh Samui30°C (86°F) Ko Lanta30°C (86°F) Patong Beach29°C (84°F) 
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