Last updated: March 2, 2024
The weather in Colombo, Sri Lanka, during December is characterized by an average temperature of 27°C (81°F). Highs can soar to 31°C (89°F), while lows may dip to 24°C (75°F). Typically, the humidity level in Colombo throughout December hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In December, Colombo averages 179 mm (7.1 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 11 hours 43 minutes of daylight, with the sun shining for approximately 10 hours 3 minutes each day. Additionally, there is a 54% probability of sunny days during this period.
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In December, the UV Index in Colombo reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 | 3 | 6 | 9 | 10 | 10 | 9 | 6 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||