Halfmoon Bay (BC) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Halfmoon Bay, British Columbia, Canada. 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.

Halfmoon Bay has a notably wet climate with abundant precipitation, recording 2036 mm (80 in) of rainfall per year. It does, however, have a distinct 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))

The climate in Halfmoon Bay shows significant variation throughout the year. Expect 310 mm (12 in) of precipitation during the wettest month November, distributed over 19 rainy days.

In contrast, July offers drier and sunnier days, with around 56 mm (2.2 in) of rainfall over 7 rainy days.

November, the wettest month, has a maximum daytime temperature of 9°C (48°F). The city receives 60 hours of sunshine in this period. During the driest month July you can expect a temperature of 21°C (70°F). For more detailed insights into the city's temperatures, visit our Halfmoon Bay Temperature page.

Halfmoon Bay's average annual precipitation is 2036 mm (80 in). Let's compare this to some popular worldwide tourist destinations:

New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.

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

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

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.

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