Clanwilliam Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Clanwilliam. The numbers are calculated over a 30-year period to provide a reliable average. Now, let’s explore all the details to give you a full picture.

With annual rainfall averaging 370 mm, Clanwilliam maintains relatively low precipitation levels throughout the seasons.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

Clanwilliam can be quite wet during June, receiving approximately 72 mm of precipitation over 8 rainy days.

In contrast February, experiences much drier conditions, with 8.2 mm of rainfall, spread across 2 rainy days.

June, the wettest month, has a maximum daytime temperature of 19°C. During the driest month February you can expect a temperature of 32°C. For more detailed insights into the city’s temperatures, visit our Clanwilliam Temperature page.

Annual Precipitation in South Africa

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.

Amsterdam Precipitation Compared World Wide

Clanwilliam’s average annual precipitation is 370 mm. Let’s compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm, characterized by wet winters and dry summers typical of the Mediterranean climate.

In Shanghai, China, the annual average precipitation is 1347 mm, with a humid subtropical climate.

Melbourne, Australia, has 690 mm of rainfall annually, spread fairly evenly throughout the year.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

How is Precipitation Measured?

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.

Sea vs. Land Precipitation

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.

For more detailed information about Clanwilliam’s weather, including sunshine hours, humidity levels, and temperature data, visit our Clanwilliam Climate page.