Ancaster Climate by Month
Ancaster, Ontario, Canada
Warm summers and freezing winters, with rain spread through the year.
The climate in Ancaster is one of warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 80°F (27°C); January is the coolest at 30°F (-1°C), and nights dip to 17°F (-8°C). It gets 36 in (924 mm) of rain a year, spread across the months. The air is humid, averaging 80% relative humidity.
- Warmest month
- 80°F(27°C)
- Average high, July
- Coldest nights
- 17°F(-8°C)
- Average low, January
- Rain per year
- 36 in(924 mm)
- No clear rainy season
- Humidity
- 80%
- Sunniest: July
Best and worst months in Ancaster
Best for weatherThe most comfortable weather comes in June and August, with highs around 76°F (25°C) and about 3.2 in (81 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 30°F (-1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Ancaster weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 30°F(-1°C) | 17°F(-8°C) | 2.7 in(68 mm) | 92% | 1.4 |
| FebFebruary | 31°F(0°C) | 18°F(-8°C) | 2.5 in(63 mm) | 89% | 2.4 |
| MarMarch | 40°F(4°C) | 25°F(-4°C) | 2.2 in(57 mm) | 80% | 3.5 |
| AprApril | 52°F(11°C) | 35°F(2°C) | 3.2 in(82 mm) | 73% | 4.4 |
| MayMay | 65°F(18°C) | 46°F(8°C) | 3.5 in(89 mm) | 73% | 5.4 |
| JunJuneBest | 75°F(24°C) | 56°F(13°C) | 3.1 in(80 mm) | 75% | 6.0 |
| JulJuly | 80°F(27°C) | 61°F(16°C) | 3.5 in(89 mm) | 71% | 6.0 |
| AugAugustBest | 78°F(26°C) | 60°F(16°C) | 3.2 in(82 mm) | 74% | 5.2 |
| SepSeptember | 71°F(22°C) | 53°F(12°C) | 3.1 in(80 mm) | 78% | 4.1 |
| OctOctober | 58°F(15°C) | 43°F(6°C) | 3.3 in(83 mm) | 80% | 2.4 |
| NovNovember | 46°F(8°C) | 33°F(1°C) | 3.3 in(83 mm) | 84% | 1.5 |
| DecDecember | 35°F(2°C) | 24°F(-4°C) | 2.7 in(68 mm) | 89% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Ancaster →- 🇨🇦AjaxOntario, Canada · Pop. 120k99%matchSame winter lowsSame summer highsAncaster vs Ajax →
- 🇨🇦LondonOntario, Canada · Pop. 422k99%matchSame winter lowsSame summer highsAncaster vs London →
- 🇨🇦ChathamOntario, Canada · Pop. 44k97%matchSame winter lowsSame sunshineAncaster vs Chatham →
- 🇺🇸BuffaloNew York, United States · Pop. 258k97%matchSame summer highsSimilar rainfallAncaster vs Buffalo →
- 🇨🇦NewmarketOntario, Canada · Pop. 91k95%matchSame summer highsSimilar rainfallAncaster vs Newmarket →