December weather forecast
Karlovy Vary, Czech Republic

December wraps up Karlovy Vary in a cold envelope, ready to experience the full brunt of winter. Festive decorations and winter activities bring life into the city despite the harsh climate. The temperatures stoop to icy levels, moving between -4°C (24.8°F) and 1°C (33.8°F). Christmas markets, illuminated cityscape and the joyous spirit of locals turn the town into a vivid holiday destination. The atmosphere revolves around holiday cheer, warmth and hearty feasts to combat the chill.

Temperature

The onset of December in Karlovy Vary is marked by a minor decrease in temperature, transitioning from 4°C (39.2°F) in November to a still icy 1°C (33.8°F). Karlovy Vary's nocturnal December readings average at a freezing cold -4°C (24.8°F), showing little variation from the daytime temperatures.

Rainfall

In Karlovy Vary, in December, during 17 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Karlovy Vary, during the entire year, the rain falls for 178 days and collects up to 652mm (25.67") of precipitation.

Daylight

The month with the shortest days in Karlovy Vary is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 07:46 and sunset at 16:08. On the last day of December, sunrise is at 08:07 and sunset at 16:15 CET.

Sunshine

The month with the least sunshine in Karlovy Vary is December, with an average of 1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Karlovy Vary. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.