Last updated: March 2, 2024
The weather in Jaffna, Sri Lanka, during December is characterized by an average temperature of 26°C (80°F). Highs can soar to 28°C (83°F), while lows may dip to 25°C (77°F). Typically, the humidity level in Jaffna throughout December hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Jaffna averages 254 mm (10.0 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 11 hours 33 minutes of daylight, with the sun shining for approximately 9 hours 47 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in Jaffna 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 | 8 | 10 | 10 | 8 | 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 | ||||||