Monthly climate averages for Ancaster, Canada. Based on 10-year ERA5 reanalysis data.
Dfa Hot-Summer Continental
Climate OverviewAncaster, Canada in August has warm conditions, with highs averaging 25.6°C (78°F). Rain falls on about 11 days this month.
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 26°C (79°F).
August sees fairly even rainfall, totalling about 82 mm across the month.
Expect around 11.9h of sunshine at the start of August, decreasing to 10.7h by the end.
The warmest days tend to fall around the 11th, averaging 26.8°C (80°F).
Temperatures begin dropping heading into September.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 26°C (78°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -7°C | -5°C / -12°C | 10days (70 mm) Wet | 4.7h Fair | 75% Muggy | 1.9 Low | Poor | View Details |
| February | 2°C / -7°C | -3°C / -12°C | 10days (68 mm) Wet | 6.3h Fair | 73% Muggy | 3.2 Moderate | Poor | View Details |
| March | 6°C / -3°C | 2°C / -7°C | 10days (76 mm) Wet | 7.6h Good | 69% Muggy | 4.1 Moderate | Poor | View Details |
| April | 12°C / 2°C | 9°C / -2°C | 13days (93 mm) Wet | 8.8h Good | 67% Muggy | 5 Moderate | Poor | View Details |
| May best | 19°C / 9°C | 18°C / 7°C | 10days (76 mm) Wet | 10.4h Excellent | 68% Muggy | 5.9 High | Good | View Details |
| June best | 25°C / 15°C | 25°C / 14°C | 11days (86 mm) Wet | 12h Excellent | 66% Muggy | 6.7 High | Excellent | View Details |
| July best | 27°C / 18°C | 29°C / 19°C | 12days (88 mm) Wet | 12h Excellent | 69% Muggy | 6.8 High | Excellent | View Details |
| August best | 26°C / 17°C | 27°C / 18°C | 11days (82 mm) Wet | 11.2h Excellent | 72% Muggy | 6 High | Excellent | View Details |
| September best | 22°C / 14°C | 22°C / 13°C | 8days (56 mm) Wet | 9.5h Good | 73% Muggy | 5.1 High | Excellent | View Details |
| October | 15°C / 8°C | 13°C / 6°C | 11days (80 mm) Wet | 6.9h Fair | 74% Muggy | 3.5 Moderate | Fair | View Details |
| November | 8°C / 1°C | 4°C / -3°C | 10days (62 mm) Wet | 5.5h Fair | 74% Muggy | 2.2 Moderate | Poor | View Details |
| December | 2°C / -4°C | -2°C / -8°C | 12days (72 mm) Wet | 4.1h Fair | 77% Humid | 1.6 Low | Poor | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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