Krabi monthly weather and climate
Krabi · Southern Andaman coast
Krabi's dry season runs from December to April. Within that period, calm seas from January to March make island trips appealing. Rain increases and waves become rougher from May. Boat services may be cancelled in September in particular, affecting plans to travel to the islands.
Before choosing your travel dates
The September commentary describes it as the wettest month, but the table gives September 280 mm and October 298 mm. The hottest month also differs: the facts list February, while the monthly commentary lists April. These differences prevent a conclusive choice of a single month.
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
- Oct (298 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 | 32 mm | 12 d | 76% | 8 h | Calm |
| February | ++ Very good | 25~34°C | 19 mm | 6 d | 74% | 9 h | Calm |
| March | + Good | 26~34°C | 57 mm | 8 d | 76% | 9 h | Calm |
| April | + Good | 26~34°C | 105 mm | 15 d | 79% | 10 h | Moderate |
| May | - Not recommended | 26~33°C | 215 mm | 20 d | 81% | 9 h | Rough |
| June | - Not recommended | 26~32°C | 214 mm | 19 d | 82% | 9 h | Rough |
| July | - Not recommended | 25~32°C | 216 mm | 20 d | 82% | 8 h | Rough |
| August | - Not recommended | 26~32°C | 230 mm | 20 d | 82% | 9 h | Rough |
| September | - Not recommended | 25~32°C | 280 mm | 21 d | 84% | 8 h | Rough |
| October | - Not recommended | 25~31°C | 298 mm | 22 d | 85% | 8 h | Rough |
| November | - Not recommended | 25~32°C | 148 mm | 19 d | 83% | 8 h | Moderate |
| December | + Good | 25~32°C | 59 mm | 17 d | 79% | 8 h | Calm |
| Month | Weather and travel advice |
|---|---|
| January | Dry, warm weather and calm seas make this a good month for island trips. |
| February | This is the driest month, with clear water and favourable diving conditions. |
| March | The weather is warm and mostly dry, and seas are calm. |
| April | Heat intensifies and showers begin around the start of the monsoon. |
| May | The southwest monsoon begins, bringing more rain and rougher seas. |
| June | The rainy season brings short, heavy showers. The landscape around the limestone cliffs turns green. |
| July | Humid, changeable weather can include strong storms. |
| August | Humid weather continues, with frequent showers and moderate winds. |
| September | Heavy rain and rough waves can lead to boat cancellations, affecting plans for reaching the islands. |
| October | This is the wettest month, with the highest humidity of the year. |
| November | Rain decreases as the dry season approaches. |
| December | The dry season returns and the sea becomes calmer. The tourism high season also begins. |