Climate charts
PongweTanzania

Pongwe Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Pongwe, Zanzibar, Tanzania. These averages rely on historical data collected over 30 years, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Pongwe has a relatively rainy climate with high precipitation levels, averaging 1092 mm (43 in) of rainfall annually. Despite the high annual total, it does experience a distinct dry season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Rainfall & Rainy Days

Monthly Precipitation Levels

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

Pongwe can be quite wet during April, receiving approximately 249 mm (9.8 in) of precipitation over 17 rainy days.

In contrast September, experiences much drier conditions, with 30 mm (1.2 in) of rainfall, spread across 8 rainy days.

April, the wettest month, has a maximum daytime temperature of 30°C (86°F). During the driest month September you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Pongwe Temperature page.

Daily Historical Precipitation

Average daily rainfall for each day of the month based on long-term records. 39-year average (1977-2025)

Average precipitation in August

Explore Pongwe's Historical Precipitation: 1976-2026

Browse day-by-day precipitation records for Pongwe spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

Annual Rainfall in Tanzania: City Comparison

The map below shows the annual precipitation across Tanzania. You can also select the different months in case you are interested in a specific month.

Avg day temp (°C)
32°

Pongwe vs World: Rainfall Compared

Pongwe's average annual precipitation is 1092 mm (43 in). Let's compare this to some popular worldwide tourist destinations:

Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

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

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.
Interesting weather facts

  • "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
  • The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
  • The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

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

Pongwe Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Pongwe - and find the best time to visit.

Pongwe 3-Day Forecast

More climate data for Pongwe

Temperature Rainfall

See the full Pongwe climate overview or explore weather in Tanzania.

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Where to go in August - average daytime high across popular destinations.

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