Last updated: March 2, 2024
The weather in Kolonnawa, Sri Lanka, during December is characterized by an average temperature of 27°C (80°F). Highs can soar to 33°C (91°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Kolonnawa throughout December hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In December, Kolonnawa averages 170 mm (6.7 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 11 hours 42 minutes of daylight, with the sun shining for approximately 9 hours 54 minutes each day. Additionally, there is a 53% probability of sunny days during this period.
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In December, the UV Index in Kolonnawa 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 | ||||||