Newmarket, Canada Climate by Month
Newmarket, Ontario, Canada
Warm summers and freezing winters, with rain spread through the year.
Newmarket has warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 78°F (26°C); January is the coolest at 26°F (-3°C), and nights dip to 12°F (-11°C). It gets 34 in (869 mm) of rain a year, spread across the months.
- Warmest month
- 78°F(26°C)
- Average high, July
- Coldest nights
- 12°F(-11°C)
- Average low, February
- Rain per year
- 34 in(869 mm)
- No clear rainy season
- Humidity
- 78%
- Sunniest: July
Best and worst months in Newmarket
Best for weatherJune to August are the best time for weather in Newmarket: highs near 76°F (24°C) and about 3.4 in (85 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 26°F (-3°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 August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Newmarket weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 26°F(-3°C) | 13°F(-11°C) | 2.3 in(58 mm) | 100% | 1.4 |
| FebFebruary | 27°F(-3°C) | 12°F(-11°C) | 2.1 in(54 mm) | 82% | 2.3 |
| MarMarch | 37°F(3°C) | 21°F(-6°C) | 2.1 in(54 mm) | 74% | 3.4 |
| AprApril | 49°F(9°C) | 32°F(0°C) | 3.0 in(75 mm) | 70% | 4.4 |
| MayMay | 63°F(17°C) | 44°F(6°C) | 3.3 in(85 mm) | 72% | 5.4 |
| JunJuneBest | 73°F(23°C) | 53°F(12°C) | 3.6 in(91 mm) | 76% | 5.9 |
| JulJulyBest | 78°F(26°C) | 59°F(15°C) | 3.3 in(85 mm) | 76% | 5.9 |
| AugAugustBest | 77°F(25°C) | 58°F(15°C) | 3.1 in(80 mm) | 73% | 5.2 |
| SepSeptember | 70°F(21°C) | 52°F(11°C) | 3.0 in(77 mm) | 76% | 4.0 |
| OctOctober | 57°F(14°C) | 41°F(5°C) | 3.1 in(79 mm) | 76% | 2.3 |
| NovNovember | 45°F(7°C) | 31°F(0°C) | 2.9 in(74 mm) | 78% | 1.4 |
| DecDecember | 33°F(1°C) | 22°F(-6°C) | 2.2 in(57 mm) | 79% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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