Niagara on the Lake (ON) Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Niagara on the Lake, 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, Niagara on the Lake has a moderate amount of precipitation, averaging 625 mm (25 in) of rain/snowfall annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Precipitation levels in Niagara on the Lake remain relatively steady throughout the year. October has the most rain, with 64 mm (2.5 in) over 11 days. In November, this drops slightly to 41 mm (1.6 in), making the city's climate fairly predictable.
October, the wettest month, has a maximum daytime temperature of 12°C (54°F). The city receives 158 hours of sunshine in this period. During the driest month November you can expect a temperature of 7°C (45°F). For more detailed insights into the city's temperatures, visit our Niagara on the Lake Temperature page.
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Explore Niagara on the Lake's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Niagara on the Lake spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
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.
heavy rainfall
high
moderate
low
almost none
Niagara on the Lake vs World: Rainfall Compared
Niagara on the Lake's average annual precipitation is 625 mm (25 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
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.
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.
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 proximity of a location to a large body of water can significantly affect its rainfall patterns:
- Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
- Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.
- 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 Niagara on the Lake (ON)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Niagara on the Lake (ON) Climate page.
