Last updated: March 2, 2024
The weather in Koh Tao, Thailand, during January is characterized by an average temperature of 27°C (81°F). Highs can soar to 28°C (83°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Koh Tao throughout January hovers around 72%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Koh Tao averages 148 mm (5.8 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 35 minutes of daylight, with the sun shining for approximately 8 hours 5 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Koh Tao reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 6 | 9 | 11 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||