Riversdale Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Riversdale, Western Cape, South Africa. Long-term data from 1990 to 2020 was used to calculate these averages. Let's explore the details to provide you with a complete overview.
Riversdale's climate is marked by below-average rainfall, accumulating 425 mm (17 in) of precipitation yearly. The distribution includes a distinct dry season during certain months as shown in the precipitation charts below.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The wettest period in Riversdale occurs in November, which receives around 46 mm (1.8 in) of precipitation. During the driest month, September, Riversdale experiences low rainfall, totaling approximately 29 mm (1.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.
November, the wettest month, has a maximum daytime temperature of 25°C (77°F). During the driest month September you can expect a temperature of 22°C (72°F). For more detailed insights into the city's temperatures, visit our Riversdale Temperature page.
Annual Rainfall in South Africa: City Comparison
The map below shows the annual precipitation across South Africa. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Riversdale vs World: Rainfall Compared
Riversdale's average annual precipitation is 425 mm (17 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 Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
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.
Precipitation has a very strong role in determining the local climate and ecosystem:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- 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 Riversdale's weather, including sunshine hours, humidity levels, and temperature data, visit our Riversdale Climate page.
