Tillsonburg is a city of approximately 18,600 people in Ontario, Canada. Located in the Eastern Time Zone at 42.9°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Tillsonburg recorded a mean annual temperature of 48°F, ranging from -4°F lows in January to 90°F highs in June, with about 33 inches of precipitation across the year.
View historical weather for Tillsonburg · More cities in Ontario