Kanokupolu Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Kanokupolu, Tongatapu Island, Tonga. This average is based on long-term data collected between 1990 and 2020. Now, let's explore all the details to give you a full picture.

Kanokupolu is known for its substantial rainfall, with annual precipitation reaching 1757 mm (69 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Kanokupolu can be quite wet during March, receiving approximately 242 mm (9.5 in) of precipitation over 19 rainy days.

In contrast October, experiences much drier conditions, with 101 mm (4 in) of rainfall, spread across 14 rainy days.

March, the wettest month, has a maximum daytime temperature of 28°C (82°F). During the driest month October you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our Kanokupolu Temperature page.

Kanokupolu's average annual precipitation is 1757 mm (69 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.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

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