Lake Titicaca Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Lake Titicaca, Amantaní Island, Peru. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Lake Titicaca has a relatively rainy climate with high precipitation levels, averaging 1203 mm (47 in) of rainfall annually. Despite the high annual total, it does experience a distinct dry and rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Precipitation Levels

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

The seasons in Lake Titicaca, bring significant changes in precipitation. The wettest month, January, receives heavy rainfall, with an average of 234 mm (9.2 in) of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 14 mm (0.6 in) over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

January, the wettest month, has a maximum daytime temperature of 14°C (57°F). During the driest month July you can expect a temperature of 13°C (55°F). For more detailed insights into the city's temperatures, visit our Lake Titicaca Temperature page.

Annual Rainfall in Peru: City Comparison

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

Lake Titicaca vs World: Rainfall Compared

Lake Titicaca's average annual precipitation is 1203 mm (47 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

• 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 Lake Titicaca's weather, including sunshine hours, humidity levels, and temperature data, visit our Lake Titicaca Climate page.