Erieau is an unincorporated community in Ontario, Canada. It is recognized as a designated place by Statistics Canada.
| Climate data for Erieau, Ontario (1991−2020 normals, extremes 1992–2020) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 11.6 (52.9) | 14.5 (58.1) | 19.2 (66.6) | 24.7 (76.5) | 28.6 (83.5) | 32.0 (89.6) | 32.9 (91.2) | 30.2 (86.4) | 28.6 (83.5) | 24.9 (76.8) | 18.7 (65.7) | 13.9 (57.0) | 32.9 (91.2) |
| Mean daily maximum °C (°F) | −0.7 (30.7) | −0.6 (30.9) | 3.2 (37.8) | 9.3 (48.7) | 15.3 (59.5) | 21.3 (70.3) | 24.5 (76.1) | 24.4 (75.9) | 21.1 (70.0) | 14.9 (58.8) | 8.6 (47.5) | 2.8 (37.0) | 12.0 (53.6) |
| Daily mean °C (°F) | −3.5 (25.7) | −3.4 (25.9) | 0.5 (32.9) | 6.4 (43.5) | 12.5 (54.5) | 18.6 (65.5) | 21.7 (71.1) | 21.7 (71.1) | 18.4 (65.1) | 12.1 (53.8) | 6.0 (42.8) | 0.3 (32.5) | 9.3 (48.7) |
| Mean daily minimum °C (°F) | −6.3 (20.7) | −6.3 (20.7) | −2.2 (28.0) | 3.5 (38.3) | 9.7 (49.5) | 15.9 (60.6) | 18.8 (65.8) | 18.8 (65.8) | 15.6 (60.1) | 9.2 (48.6) | 3.3 (37.9) | −2.1 (28.2) | 6.5 (43.7) |
| Record low °C (°F) | −22 (−8) | −25.1 (−13.2) | −20.6 (−5.1) | −7.7 (18.1) | −1.3 (29.7) | 7.1 (44.8) | 10.4 (50.7) | 10.1 (50.2) | 3.8 (38.8) | −0.4 (31.3) | −9.8 (14.4) | −18.5 (−1.3) | −25.1 (−13.2) |
| Average relative humidity (%) (at 15:00) | 75.3 | 72.8 | 71.5 | 69.7 | 71.8 | 73.3 | 70.9 | 68.0 | 67.4 | 66.6 | 70.4 | 75.0 | 71.1 |
| Source: Environment and Climate Change Canada [1] | |||||||||||||
In the 2021 Census of Population conducted by Statistics Canada, Erieau had a population of 363 living in 187 of its 318 total private dwellings, a change of -6.7% from its 2016 population of 389. With a land area of 0.69 km2 (0.27 sq mi), it had a population density of 526.1/km2 (1,362.6/sq mi) in 2021. [2]