Last updated: March 2, 2024
The weather in Semily, Czech Republic, during December is characterized by an average temperature of 1°C (35°F). Highs can soar to 9°C (48°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Semily throughout December hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Semily averages 67 mm (2.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 8 hours 4 minutes of daylight, with the sun shining for approximately 4 hours 38 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Semily reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 08:00 and 10:00, 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||