Saints Constantine and Helena Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Saints Constantine and Helena, Varna Province, Bulgaria. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.
Generally, Saints Constantine and Helena has a moderate amount of precipitation, averaging 597 mm (24 in) of rain/snowfall annually.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 61 mm (2.4 in) of precipitation, spread over 5 rainy days.
In contrast, August experiences a drier climate, with about 35 mm (1.4 in) of rainfall spread across 5 rainy days.
October, the wettest month, has a maximum daytime temperature of 18°C (64°F). The city receives 163 hours of sunshine in this period. During the driest month August you can expect a temperature of 27°C (81°F). For more detailed insights into the city's temperatures, visit our Saints Constantine and Helena Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 49-year average (1976-2025)
Average precipitation in August
Explore Saints Constantine and Helena's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Saints Constantine and Helena spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Bulgaria: City Comparison
The map below shows the annual precipitation across Bulgaria. You can also select the different months in case you are interested in a specific month.
Saints Constantine and Helena vs World: Rainfall Compared
Saints Constantine and Helena's average annual precipitation is 597 mm (24 in). Let's compare this to some popular worldwide tourist destinations:
The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
- The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
- Approximately 70% of lightning bolts strike land rather than oceans.
- A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.
For more detailed information about Saints Constantine and Helena's weather, including sunshine hours, humidity levels, and temperature data, visit our Saints Constantine and Helena Climate page.
Saints Constantine and Helena Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saints Constantine and Helena - and find the best time to visit.
Saints Constantine and Helena 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saints Constantine and Helena climate overview or explore weather in Bulgaria.
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