Phuket monthly weather and climate
Phuket · Andaman Sea island
Phuket's dry season runs from December to April. Generally calm seas from January to March suit beach stays and diving, but the southwest monsoon brings more rain and rougher waves from May. If you are planning a beach holiday or boat trip, consider seasonal changes in the waves as well as 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 commentary lists April. These accounts differ, so neither month can be identified conclusively as the hottest from this material.
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
Compare hotter and wetter months in the table below. These are historical climate averages: they are not a forecast for your travel dates and do not tell you whether swimming will be possible.
| Month | Travel rating | Temperature | Rainfall | Rainy days | Humidity | Sunshine | Sea conditions |
|---|---|---|---|---|---|---|---|
| January | ++ Very good | 25~33°C | 50 mm | 4 d | 76% | 9 h | Calm |
| February | ++ Very good | 25~34°C | 24 mm | 2 d | 74% | 8.7 h | Calm |
| March | + Good | 26~34°C | 81 mm | 6 d | 76% | 8.9 h | Calm |
| April | ± Average | 26~34°C | 135 mm | 10 d | 79% | 8 h | Moderate |
| May | - Not recommended | 26~33°C | 237 mm | 16 d | 81% | 5.1 h | Rough |
| June | - Not recommended | 26~33°C | 249 mm | 16 d | 82% | 3.9 h | Rough |
| July | - Not recommended | 26~32°C | 240 mm | 16 d | 82% | 3.9 h | Rough |
| August | - Not recommended | 26~32°C | 309 mm | 17 d | 82% | 3.8 h | Rough |
| September | - Not recommended | 25~32°C | 350 mm | 19 d | 84% | 3.6 h | Rough |
| October | - Not recommended | 25~32°C | 336 mm | 19 d | 85% | 5.8 h | Rough |
| November | ± Average | 25~32°C | 178 mm | 13 d | 83% | 7.3 h | Moderate |
| December | + Good | 25~32°C | 82 mm | 8 d | 79% | 8.4 h | Calm |
| Month | Weather and travel advice |
|---|---|
| January | Dry, clear weather accompanies calm, clear seas. The tourism high season is in full swing. |
| February | This is the driest month, with favourable conditions for diving and beach holidays. |
| March | The weather is warm and mostly dry, and the sea is calm. |
| April | It is very hot around Songkran, and the first monsoon showers begin. |
| May | Rain increases rapidly and seas become rough as the southwest monsoon begins. |
| June | As the rainy season takes hold, waves suitable for surfing develop on the west coast. Waves that suit surfing do not mean swimming is safe. |
| July | Wind and rain strengthen. Red flags may be displayed on west-coast beaches during this month. |
| August | This is the windiest month, with heavy rain and rough waves on the west coast. |
| September | The rainy season reaches its peak, bringing the most rain and extensive cloud cover. |
| October | Rain continues, and humidity is at its highest for the year. |
| November | Rain decreases during the transition to the dry season. |
| December | Dry-season weather returns and the sea becomes calmer. The tourism high season begins. |