December weather forecastMerník, Slovakia
December
Weather in December
December, the first month of the winter in Merník, is also an icy month, with an average temperature ranging between min -2.9°C (26.8°F) and max 1°C (33.8°F).Temperature
The arrival of December corresponds with a shift in temperature, down from a frosty 7.8°C (46°F) in November to an icy 1°C (33.8°F). Merník, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a subzero cold -2.9°C (26.8°F).Humidity
In December, the average relative humidity is 88%.Rainfall
In Merník, Slovakia, in December, during 9.1 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Merník, during the entire year, the rain falls for 127.5 days and collects up to 325mm (12.8") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 10.3 days. Throughout December, 57mm (2.24") of snow is accumulated. In Merník, during the entire year, snow falls for 39.2 days and aggregates up to 271mm (10.67") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 07:06 and sunset at 15:38. On the last day of December, sunrise is at 07:27 and sunset at 15:46 CET.
Sunshine
With an average of 3.6h of sunshine, December has the least sunshine of the year in Merník.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Merník. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merník, Slovakia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Merník, Slovakia
- Average pressure in December: 1019.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).
Average wind speed in December
Merník, Slovakia
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in December
Merník, Slovakia
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Merník, Slovakia
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Merník, Slovakia
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Merník, Slovakia
- Average snowfall in December: 57mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Merník, Slovakia
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (12.1 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
Merník, Slovakia
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Merník, Slovakia
- Average sunshine days in December: 14 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Merník, Slovakia
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Merník, Slovakia
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Merník, Slovakia
- Average visibility in December: 7km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and December (7km).





