December weather forecastOpava, Slovakia
December
Weather in December
The first month of the winter, December, is also an icy month in Opava, Slovakia, with temperature in the range of an average low of -4°C (24.8°F) and an average high of 0.8°C (33.4°F).Temperature
The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 7.1°C (44.8°F) in November to an icy 0.8°C (33.4°F). Opava marks an average drop to a freezing cold -4°C (24.8°F) during nighttime in December, following the high of the day.Humidity
January and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In Opava, in December, it is raining for 10.3 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 149.3 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Opava. In Opava, during December, snow falls for 8.1 days and regularly aggregates up to 73mm (2.87") of snow. Throughout the year, there are 33.1 snowfall days, and 382mm (15.04") of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Opava.On the first day of December in Opava, sunrise is at 07:13 and sunset at 15:51. On the last day of the month, sunrise is at 07:33 and sunset at 15:59 CET.
Sunshine
In December, the average sunshine in Opava is 3.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Opava, Slovakia
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in December
Opava, Slovakia
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).
Average wind speed in December
Opava, Slovakia
- Average wind speed in December: 7.1km/h
The windiest months (with the highest average wind speed) are March and May (8.6km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in December
Opava, Slovakia
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Opava, Slovakia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is October (31mm).
Average rainfall days in December
Opava, Slovakia
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Opava, Slovakia
- Average snowfall in December: 73mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Opava, Slovakia
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Opava, Slovakia
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Opava, Slovakia
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Opava, Slovakia
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Opava, Slovakia
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Opava, Slovakia
- Average visibility in December: 6km
The months with the highest visibility are April, May, June, July, August and September (9km).
The months with the lowest visibility are January and December (6km).
