December Weather in Karlovy Vary

Last updated: March 2, 2024

The weather in Karlovy Vary, Czech Republic, during December is characterized by an average temperature of 0°C (33°F). Highs can soar to 9°C (48°F), while lows may dip to -8°C (19°F). Typically, the humidity level in Karlovy Vary throughout December hovers around 92%.

-8°C (19°F)

Minimum temperature

0°C (33°F)

Average temperature

9°C (48°F)

Maximum temperature

92%

Humidity

Precipitation and Sunshine hours

In December, Karlovy Vary averages 77 mm (3.0 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 8 hours 6 minutes of daylight, with the sun shining for approximately 4 hours 17 minutes each day. Additionally, there is a 8% probability of sunny days during this period.

77 mm (3.0 inches)

Precipitation

16 rainy days

Rainy days

4 hours 17 minutes

Sunshine hours

8%

Chance of sun

UV Index

In December, the UV Index in Karlovy Vary 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

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