December weather forecastOstrava, Czech Republic
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ostrava, Czech Republic
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in December: -3°C
The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average rainfall in December
Ostrava, Czech Republic
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in December
Ostrava, Czech Republic
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is June (16 days).
The months with the least rainy days are February, March, September and October (12 days).
Average daylight in December /
Average sunshine in December
Ostrava, Czech Republic
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 1h
The months with the most sunshine are May, June, July and August (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 1h).
Average UV index in December
Ostrava, Czech Republic
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).





