World Resorts Bulgaria Sinemorets Weather

Sinemorets weather in December

Weather in Sinemorets: December

Average day temperature: 48.7°F
Average night temperature: 42.6°F
Sea water temperature: 52.0°F
Number of sunny days: 11 days
Day length: 9.1 - 9.3 hours
Number of rainy days: 4 days
Precipitation totals: 1.9 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 59°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during December were 50.3°F and 44.4°F.

Sea water temperature in Sinemorets in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 55.4°F. The highest and lowest sea temperatures during the month were 59.4°F and 51.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Sinemorets in December is 1.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 8.9 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.1.

Best time for vacation in Sinemorets

Sunniest months:
July 27 days
August 27 days
June 22 days
Warmest months:
July 82.9 °F
August 82.6 °F
June 77.2 °F
Warmest sea temp:
August 78.2 °F
July 77.0 °F
September 74.4 °F
Coldest months:
January 44.8 °F
February 46.8 °F
December 48.7 °F
Rainiest months:
June 4 days
January 4 days
December 4 days
Windiest months:
February 10.5 mph
January 9.9 mph
March 9.3 mph

Sinemorets on a weather map

Sinemorets
+30°F
SE 8 mph
Feels like: +23°F
Precip.: 0%
Places in Bulgaria:
Name
°F
+14°F
+30°F
+30°F
+28°F
+30°F
+30°F
+32°F
+30°F
+32°F
+32°F
+30°F
+30°F
+32°F
+21°F
+30°F
24 Hours Forecast
Sinemorets
Local time: 20:13
December 31, wednesday
2100
30°F
SE
8 mph
January 01, thursday
0000
28°F
SE
7 mph
0300
28°F
SE
9 mph
0600
27°F
SE
11 mph
0900
28°F
SE
12 mph
1200
32°F
S
12 mph
1500
36°F
SE
12 mph
1800
30°F
SE
5 mph
Units of measurement: °C / °F