Kiwengwa Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Kiwengwa, Zanzibar, Tanzania. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's break down all the details for a clearer picture.
Kiwengwa has a relatively rainy climate with high precipitation levels, averaging 1108 mm (44 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))
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, April receives substantial rainfall, averaging 251 mm (9.9 in) of precipitation, recorded across 17 rainy days.
In contrast, the driest month, September brings less rainfall, with 31 mm (1.2 in) over 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 Kiwengwa 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 Kiwengwa's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Kiwengwa 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.
Kiwengwa vs World: Rainfall Compared
Kiwengwa's average annual precipitation is 1108 mm (44 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.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
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.
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 Kiwengwa's weather, including sunshine hours, humidity levels, and temperature data, visit our Kiwengwa Climate page.
Kiwengwa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kiwengwa - and find the best time to visit.
Kiwengwa 3-Day Forecast
Temperature Rainfall
See the full Kiwengwa climate overview or explore weather in Tanzania.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Climb the Kilimanjaro
The Kilimanjaro with its 5895 meters (19340 ft) is the roof of Africa. Climbing Kilimanjaro is a crazy experience and if you like adventure it’s an absolute must for the bucket list.
The Serengeti
The Serengeti has wide, unending grasslands and is known for its spectacular sunsets. The park also offers the biggest wildlife population in the whole of Africa.
Walk Safari In the Selous Game Reserve
We feel the Selous Game Reserve is undoubtedly one of the most beautiful nature reserves in Tanzania and we recommend adding it to your bucket list. Here you can still experience the real Africa.
5 Untouched Safari Destinations in Africa
Discover Africa's hidden national parks, from Zambia's Liuwa Plain to Zimbabwe's Matusadona, offering unique wildlife experiences off the beaten path.