Phuket monthly weather and climate
Phuket · Andaman Sea island
Phuket's dry season runs from December through April. From January through March, seas are generally calm for beach vacations and diving. From May, the southwest monsoon brings more rain and rougher waves. For a beach vacation or a trip involving boat travel, consider when sea conditions change as well as the rainfall.
50 mmJan24 mmFeb81 mmMar135 mmApr237 mmMay249 mmJun240 mmJul309 mmAug350 mmSep336 mmOct178 mmNov82 mmDec
Before choosing your travel dates
The facts list February as the hottest month, while the monthly notes name April. These accounts differ, so neither month can be presented definitively as the hottest.
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 rainier months. These are historical climate averages, not a forecast for your travel dates or an indication that swimming is allowed or safe.
| Month | Travel rating | Temperature | Rainfall | Rainy days | Humidity | Sunshine | Sea conditions |
|---|---|---|---|---|---|---|---|
| January | ++ Very good | 25~33°C (77~91.4°F) | 50 mm | 4 days | 76% | 9 hours | Calm |
| February | ++ Very good | 25~34°C (77~93.2°F) | 24 mm | 2 days | 74% | 8.7 hours | Calm |
| March | + Good | 26~34°C (78.8~93.2°F) | 81 mm | 6 days | 76% | 8.9 hours | Calm |
| April | ± Average | 26~34°C (78.8~93.2°F) | 135 mm | 10 days | 79% | 8 hours | Moderate |
| May | - Not recommended | 26~33°C (78.8~91.4°F) | 237 mm | 16 days | 81% | 5.1 hours | Rough |
| June | - Not recommended | 26~33°C (78.8~91.4°F) | 249 mm | 16 days | 82% | 3.9 hours | Rough |
| July | - Not recommended | 26~32°C (78.8~89.6°F) | 240 mm | 16 days | 82% | 3.9 hours | Rough |
| August | - Not recommended | 26~32°C (78.8~89.6°F) | 309 mm | 17 days | 82% | 3.8 hours | Rough |
| September | - Not recommended | 25~32°C (77~89.6°F) | 350 mm | 19 days | 84% | 3.6 hours | Rough |
| October | - Not recommended | 25~32°C (77~89.6°F) | 336 mm | 19 days | 85% | 5.8 hours | Rough |
| November | ± Average | 25~32°C (77~89.6°F) | 178 mm | 13 days | 83% | 7.3 hours | Moderate |
| December | + Good | 25~32°C (77~89.6°F) | 82 mm | 8 days | 79% | 8.4 hours | Calm |
| Month | Weather and travel advice |
|---|---|
| January | The weather is dry and clear, and the sea is calm and clear. The busy tourist season is at its peak. |
| February | This is the driest month, with good conditions for diving and beach vacations. |
| March | The weather is warm and mostly dry, with calm seas. |
| April | Strong heat coincides with the Songkran festival. Monsoon-related showers begin to arrive. |
| May | The southwest monsoon begins, bringing a rapid increase in rain and rougher seas. |
| June | As the rainy season gets underway, waves on the west coast become suitable for surfing. Waves that suit surfing do not necessarily make swimming safe. |
| July | Wind and rain grow stronger. Red flags may be posted 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 cover. |
| October | Rain continues, and humidity reaches its highest level of the year. |
| November | Rain decreases as the weather shifts toward the dry season. |
| December | Dry-season weather returns and seas become calmer. The busy tourist season begins. |