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Kirkwood (CA) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Kirkwood, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020. Now, let's break down all the details for a clearer picture.

Kirkwood is known for its substantial rain/snowfall, with annual precipitation reaching 1022 mm (40 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.

Monthly Precipitation Levels

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

The climate in Kirkwood shows significant variation throughout the year. Expect 185 mm (7.3 in) of precipitation during the wettest month December, distributed over 14 snowy/rainy days.

In contrast, August offers drier and sunnier days, with around 6.9 mm (0.3 in) of rainfall over 3 rainy days.

December, the wettest month, has a maximum daytime temperature of 3°C (37°F). During the driest month August you can expect a temperature of 21°C (70°F). For more detailed insights into the city's temperatures, visit our Kirkwood 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.

Annual
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Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Kirkwood vs World: Rainfall Compared

Kirkwood's average annual precipitation is 1022 mm (40 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

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.

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.

How is Precipitation Measured?

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.
  • Interesting weather facts

    • 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 Kirkwood (CA)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Kirkwood (CA) Climate page.


    Current rainfall in Kirkwood (CA)

    More climate data for Kirkwood