Bowmanville (ON) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Bowmanville, Ontario, Canada. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's explore all the details to give you a full picture.

Generally, Bowmanville receives mid-range precipitation levels, with 968 mm (38 in) annually.

Monthly Precipitation Levels

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

The wettest period in Bowmanville occurs in April, which receives around 92 mm (3.6 in) of precipitation. During the driest month, February, Bowmanville experiences moderate snowfall, totaling approximately 66 mm (2.6 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.

April, the wettest month, has a maximum daytime temperature of 10°C (50°F). The city receives 180 hours of sunshine in this period. During the driest month February you can expect a temperature of 0°C (32°F). For more detailed insights into the city's temperatures, visit our Bowmanville Temperature page.

Annual Rainfall in Canada: City Comparison

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

Annual

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).

Bowmanville vs World: Rainfall Compared

Bowmanville's average annual precipitation is 968 mm (38 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

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

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.

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

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

Current rainfall in Bowmanville (ON)

10-Day Forecast