Jinja Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Jinja, Central Uganda, Uganda. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.
Jinja experiences significant rainfall throughout the year, averaging 2119 mm (83 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 265 mm (10 in) of precipitation, spread over 22 rainy days.
In contrast, July experiences a drier climate, with about 126 mm (5 in) of rainfall spread across 12 rainy days.
April, the wettest month, has a maximum daytime temperature of 27°C (81°F). The city receives 118 hours of sunshine in this period. During the driest month July you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Jinja Temperature page.
Explore Jinja's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Jinja spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Uganda: City Comparison
The map below shows the annual precipitation across Uganda. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Jinja vs World: Rainfall Compared
Jinja's average annual precipitation is 2119 mm (83 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
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.
Climate change is affecting precipitation patterns worldwide, including Jinja:
- 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.
- The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
- Approximately 70% of lightning bolts strike land rather than oceans.
- A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.
For more detailed information about Jinja's weather, including sunshine hours, humidity levels, and temperature data, visit our Jinja Climate page.
