Sapanca Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Sapanca, Marmara Region, Turkey. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's explore the details to provide you with a complete overview.
Generally, Sapanca has a moderate amount of precipitation, averaging 973 mm (38 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))
Sapanca can be quite wet during December, receiving approximately 105 mm (4.1 in) of precipitation over 16 rainy days.
In contrast August, experiences much drier conditions, with 44 mm (1.7 in) of rainfall, spread across 6 rainy days.
December, the wettest month, has a maximum daytime temperature of 11°C (52°F). The city receives 76 hours of sunshine in this period. During the driest month August you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Sapanca Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Average precipitation in September
Explore Sapanca's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Sapanca spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Turkey: City Comparison
The map below shows the annual precipitation across Turkey. You can also select the different months in case you are interested in a specific month.
Sapanca vs World: Rainfall Compared
Sapanca's average annual precipitation is 973 mm (38 in). Let's compare this to some popular worldwide tourist destinations:
The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
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 proximity of a location to a large body of water can significantly affect its rainfall patterns:
- Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
- Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.
- 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 Sapanca's weather, including sunshine hours, humidity levels, and temperature data, visit our Sapanca Climate page.
Sapanca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sapanca - and find the best time to visit.
Sapanca 3-Day Forecast
Temperature Rainfall Sunshine
See the full Sapanca climate overview or explore weather in Turkey.
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