Nkoanrua Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Nkoanrua, Tanzania. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's explore all the details to give you a full picture.
Generally, Nkoanrua experiences moderate precipitation patterns, averaging 855 mm (34 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The climate in Nkoanrua shows significant variation throughout the year. Expect 167 mm (6.6 in) of precipitation during the wettest month April, distributed over 21 rainy days.
In contrast, September offers drier and sunnier days, with around 11 mm (0.4 in) of rainfall over 4 rainy days.
April, the wettest month, has a maximum daytime temperature of 26°C (79°F). During the driest month September you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Nkoanrua Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 48-year average (1976-2025)
Average precipitation in August
Explore Nkoanrua's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Nkoanrua 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.
Nkoanrua vs World: Rainfall Compared
Nkoanrua's average annual precipitation is 855 mm (34 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.
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.
- "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 Nkoanrua's weather, including sunshine hours, humidity levels, and temperature data, visit our Nkoanrua Climate page.
Nkoanrua Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nkoanrua - and find the best time to visit.
Nkoanrua 3-Day Forecast
Temperature Rainfall
See the full Nkoanrua climate overview or explore weather in Tanzania.
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