Richmond Hill (ON) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Richmond Hill, Ontario, Canada. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's explore all the details to give you a full picture.

Generally, Richmond Hill receives mid-range precipitation levels, with 909 mm (36 in) annually.

Monthly Precipitation Levels

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

The wettest period in Richmond Hill occurs in June, which receives around 89 mm (3.5 in) of precipitation. During the driest month, February, Richmond Hill experiences moderate snowfall, totaling approximately 60 mm (2.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.

June, the wettest month, has a maximum daytime temperature of 24°C (75°F). The city receives 260 hours of sunshine in this period. During the driest month February you can expect a temperature of 1°C (34°F). For more detailed insights into the city's temperatures, visit our Richmond Hill Temperature page.

Richmond Hill's average annual precipitation is 909 mm (36 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.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

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

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

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.

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