The average annual temperature for Cornwall, Ontario is 7°C/45°F.
The average annual temperature for Cornwall, Ontario is 7°C/45°F.
July is the hottest or warmest month in Cornwall, Ontario, with an average maximum temperature of 28°C/82°F.
January is the coolest or coldest month in Cornwall, Ontario, with an average minimum temperature of -13°C/9°F.
-8°C/18°F is the average temperature for Cornwall, Ontario in January.
-8°C/18°F is the average temperature for Cornwall, Ontario in February.
-2°C/28°F is the average temperature for Cornwall, Ontario in March.
6°C/43°F is the average temperature for Cornwall, Ontario in April.
14°C/57°F is the average temperature for Cornwall, Ontario in May.
19°C/66°F is the average temperature for Cornwall, Ontario in June.
22°C/72°F is the average temperature for Cornwall, Ontario in July.
21°C/70°F is the average temperature for Cornwall, Ontario in August.
16°C/61°F is the average temperature for Cornwall, Ontario in September.
10°C/50°F is the average temperature for Cornwall, Ontario in October.
2°C/36°F is the average temperature for Cornwall, Ontario in November.
-4°C/25°F is the average temperature for Cornwall, Ontario in December.
Average annual rainfall for Cornwall, Ontario is 864mm (34 inches).
June is the wettest or most rainy month in Cornwall, Ontario, with an average rainfall of 120mm (5 inches).
January is the driest or least rainy month in Cornwall, Ontario, with an average rainfall of 39mm (2 inches).
On average, there are 39mm/2 inches of rain in January in Cornwall, Ontario.
On average, there are 39mm/2 inches of rain in February in Cornwall, Ontario.
On average, there are 46mm/2 inches of rain in March in Cornwall, Ontario.
On average, there are 78mm/3 inches of rain in April in Cornwall, Ontario.
On average, there are 75mm/3 inches of rain in May in Cornwall, Ontario.
On average, there are 120mm/5 inches of rain in June in Cornwall, Ontario.
On average, there are 93mm/4 inches of rain in July in Cornwall, Ontario.
On average, there are 101mm/4 inches of rain in August in Cornwall, Ontario.
On average, there are 83mm/3 inches of rain in September in Cornwall, Ontario.
On average, there are 89mm/4 inches of rain in October in Cornwall, Ontario.
On average, there are 51mm/2 inches of rain in November in Cornwall, Ontario.
On average, there are 50mm/2 inches of rain in December in Cornwall, Ontario.
Yes, Cornwall, Ontario is further west than the prime meridian (zero degrees longitude), which means it is in the Western Hemisphere. The midpoint of Cornwall, Ontario is further west than the prime meridian (zero degrees longitude) by approximately 1,976 miles (3,180km).
No, Cornwall, Ontario is not further east than the prime meridian (zero degrees longitude), which means it is not in the Eastern Hemisphere.
Yes, Cornwall, Ontario is further north than the equator, which means it is in the Northern Hemisphere. The midpoint of Cornwall, Ontario is approximately 3,111 miles (5,006km) north of the equator.
No, Cornwall, Ontario is not further south than the equator, which means it is not in the Southern Hemisphere.