Last updated: March 2, 2024
The weather in Onchan, Isle of Man, during December is characterized by an average temperature of 8°C (47°F). Highs can soar to 12°C (54°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Onchan throughout December hovers around 89%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Onchan averages 141 mm (5.6 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 7 hours 23 minutes of daylight, with the sun shining for approximately 3 hours 7 minutes each day. Additionally, there is a 20% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Onchan reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 09:00 and 11:00, during which unprotected skin may burn in as little as 45 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 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||