Phuket monthly weather and climate
Phuket · Andaman Sea, island
Phuket's dry season runs from December to April. Seas are generally calm from January to March, making this a good period for beach holidays and diving. From May, the south-west monsoon brings more rain and rougher waves. For a beach holiday or boat trip, consider seasonal changes in waves as well as rainfall.
50 mmJan24 mmFeb81 mmMar135 mmApr237 mmMay249 mmJun240 mmJul309 mmAug350 mmSep336 mmOct178 mmNov82 mmDec
Before choosing your travel dates
The key facts list February as the hottest month, while the monthly descriptions name April. These accounts differ, so a single hottest month cannot be established from them.
When are the dry and rainy seasons?
- Best time to visit
- Dec–Mar
- Dry season
- Dec–Apr
- Rainy season
- May–Nov
- Hottest month
- Feb (34°C)
- Wettest month
- Sep (350 mm)
Monthly weather and climate
Use the table below to compare hotter and wetter months. These are historical climate averages, so they do not give a forecast for your travel dates or tell you whether you will be able to swim.
| Month | Travel rating | Temperature | Rainfall | Rainy days | Humidity | Sunshine | Sea conditions |
|---|---|---|---|---|---|---|---|
| January | ++ Very good | 25~33°C | 50 mm | 4 days | 76% | 9 hours | Calm |
| February | ++ Very good | 25~34°C | 24 mm | 2 days | 74% | 8.7 hours | Calm |
| March | + Good | 26~34°C | 81 mm | 6 days | 76% | 8.9 hours | Calm |
| April | ± Average | 26~34°C | 135 mm | 10 days | 79% | 8 hours | Moderate |
| May | - Not recommended | 26~33°C | 237 mm | 16 days | 81% | 5.1 hours | Rough |
| June | - Not recommended | 26~33°C | 249 mm | 16 days | 82% | 3.9 hours | Rough |
| July | - Not recommended | 26~32°C | 240 mm | 16 days | 82% | 3.9 hours | Rough |
| August | - Not recommended | 26~32°C | 309 mm | 17 days | 82% | 3.8 hours | Rough |
| September | - Not recommended | 25~32°C | 350 mm | 19 days | 84% | 3.6 hours | Rough |
| October | - Not recommended | 25~32°C | 336 mm | 19 days | 85% | 5.8 hours | Rough |
| November | ± Average | 25~32°C | 178 mm | 13 days | 83% | 7.3 hours | Moderate |
| December | + Good | 25~32°C | 82 mm | 8 days | 79% | 8.4 hours | Calm |
| Month | Weather and travel advice |
|---|---|
| January | Dry, clear weather brings calm, clear seas. The peak tourist season is in full swing. |
| February | This is the driest month, with good conditions for diving and beach holidays. |
| March | It is warm and mostly dry. Seas are also calm. |
| April | Strong heat coincides with the Songkran festival. Monsoon-related showers begin to arrive. |
| May | The south-west monsoon begins, bringing a rapid increase in rainfall and rougher seas. |
| June | The rainy season brings waves suited to surfing on the west coast. Good surfing waves do not mean conditions are safe for swimming. |
| July | Wind and rain strengthen. Red flags are flown on west-coast beaches at this time of year. |
| August | This is the windiest month, with heavy rain and rough waves on the west coast. |
| September | The rainy season peaks, bringing the most rain and plenty of cloud. |
| October | Rain continues and humidity is at its highest for the year. |
| November | Rain eases as the dry season approaches. |
| December | Dry-season weather returns and seas become calmer. The peak tourist season begins. |