December weather forecast
Ostrava, Czech Republic

In December, Ostrava dives into a full winter mode. With temperatures dropping to lows of -3°C (26.6°F), the city starts seeing frequent snow flurries. The weather during this month bears striking similarity to January. The spectral white layer of snow lends an inescapable charm to the cityscape. Holiday lights on streets and homes bring warmth and joy, often contrasting with the longer nights and shorter days of the year.

Temperature

The arrival of December in Ostrava, Czech Republic, corresponds with a reduction in the average high-temperature, down from November's frosty 7°C (44.6°F) to a cold 2°C (35.6°F). Ostrava logs an average low-temperature of -3°C (26.6°F) during the nights of December, subtly lower than its daytime highs.

Rainfall

In Ostrava, Czech Republic, in December, during 14 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 684mm (26.93") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 07:23 and sunset at 15:48. On the last day of December, sunrise is at 07:44 and sunset at 15:55 CET.

Sunshine

December has the least sunshine of the year, with an average of 1h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.