Hacienda Heights (CA) Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Hacienda Heights, California, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Now, let's explore all the details to give you a full picture.
Hacienda Heights's climate is marked by below-average rainfall, accumulating 282 mm (11 in) of precipitation yearly. The distribution includes a distinct dry season during certain months as shown in the precipitation charts below.
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, December receives substantial rainfall, averaging 75 mm (3 in) of precipitation, recorded across 8 rainy days.
In contrast, the driest month, June brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days.
December, the wettest month, has a maximum daytime temperature of 20°C (68°F). The city receives 205 hours of sunshine in this period. During the driest month June you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Hacienda Heights Temperature page.
Annual Rainfall in the United States of America: City Comparison
The map below shows the annual precipitation across the United States of America. You can also select the different months in case you are interested in a specific month.
heavy rainfall
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Hacienda Heights vs World: Rainfall Compared
Hacienda Heights's average annual precipitation is 282 mm (11 in). Let's compare this to some popular worldwide tourist destinations:
The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.
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.
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.
- "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 Hacienda Heights (CA)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Hacienda Heights (CA) Climate page.
