The maximum daily temperature 17°C — 22 December 2019.
The maximum night temperature 15°C — 1 December 2017.
The minimum daily temperature -4.3°C — 22 December 2012.
The minimum night temperature -6.5°C — 20 December 2012.
St Constantine and Helena, Bulgaria — weather December, water temperature
Weather in resort cities around the world, data for the past 5 years. Information includes daytime and nighttime temperatures, water temperature, rainfall, and day length. Convenient graphics and weather comparison in different resorts around the world.
St Constantine and Helena — weather by month, water temperature
St Constantine and Helena — weather December, water temperature
Air temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
Water temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
The warmest water 14.2 °C — 1 December 2019.
The coldest water 6.5 °C — 31 December 2016.
Sunny, cloudy and gloomy days
Sunny days — 12
Rainy days — 8
Gloomy days — 11
Precipitation, mm
Maximum precipitation 73.7 mm — June.
Minimum precipitation 21.3 mm — September.
Wind speed, km / h
Maximum wind speed 18.9 km / h — February.
Minimum wind speed 13.5 km / h — July.
Number of hours of sunshine
The maximum number of hours of sunshine per day 12.5 h. — July.
The minimum number of hours of sunshine per day 4.8 h. — January.
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