Phumĭ Bayab Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Phumĭ Bayab, Phnom Penh Municipality, Cambodia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Phumĭ Bayab has a notably wet climate with abundant precipitation, recording 1421 mm (56 in) of rainfall per year. It does, however, have a distinct dry and rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.

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, September receives substantial rainfall, averaging 256 mm (10 in) of precipitation, recorded across 19 rainy days.

In contrast, the driest month, February brings less rainfall, with 11 mm (0.4 in) over 2 rainy days.

September, the wettest month, has a maximum daytime temperature of 33°C (91°F). The city receives 129 hours of sunshine in this period. During the driest month February you can expect a temperature of 35°C (95°F). For more detailed insights into the city's temperatures, visit our Phumĭ Bayab Temperature page.

Explore Phumĭ Bayab's Historical Precipitation: 1989-2026

Browse day-by-day precipitation records for Phumĭ Bayab spanning 38 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

Historical weather Temperatures Precipitation

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Annual Rainfall in Cambodia: City Comparison

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

Phumĭ Bayab vs World: Rainfall Compared

Phumĭ Bayab's average annual precipitation is 1421 mm (56 in). Let's compare this to some popular worldwide tourist destinations:

Athens, Greece, receives an average annual precipitation of 400 mm (16 in), making it one of the drier Mediterranean climates with rainfall mostly in winter.

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

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

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.

• "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 Phumĭ Bayab's weather, including sunshine hours, humidity levels, and temperature data, visit our Phumĭ Bayab Climate page.