December weather forecastPrimorsko, Bulgaria
December weather for Primorsko, Bulgaria: The month with the most rainfall in Primorsko, Bulgaria, is December, when 82mm (3.23") of precipitation is typically aggregated. The average temperature in Primorsko drops to a wintry 4.1°C (39.4°F) during the night in the month of December.
December
Weather in December
December is a winter month in Primorsko, featuring a blend of shorter days and longer nights. Temperatures drop even further, taking on a distinctly wintry feel. The sea becomes substantially cooler, discouraging any water-oriented activities. Rainfall notches up, rounding out the year with some of the heaviest downpours of the year. Taking into consideration the weather of December, it paves the way for the continuity of winter in January.Temperature
The arrival of December corresponds with a light shift in temperature, down from a refreshing 15.1°C (59.2°F) in November to a fresh 11.6°C (52.9°F). The average temperature in Primorsko drops to a wintry 4.1°C (39.4°F) during the night in the month of December.Rainfall
The month with the most rainfall in Primorsko is December, when 82mm (3.23") of precipitation is typically aggregated.Sea temperature
In December, the average sea temperature in Primorsko is 10.3°C (50.5°F).Note: One needs to be cautious in 10.3°C (50.5°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:18 and sunset at 16:37. On the last day of December, sunrise is at 07:37 and sunset at 16:46 EET.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Primorsko, Bulgaria
- Average high temperature in December: 11.6°C
The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is August (20.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average rainfall in December
Primorsko, Bulgaria
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is August (17mm).
Average sea temperature in December
Primorsko, Bulgaria
- Average sea temperature in December: 10.3°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest month (with the lowest average sea temperature) is February (7.6°C).
Average daylight in December
Primorsko, Bulgaria
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).





