Belleville, Canada Climate by Month
Belleville, Ontario, Canada
Warm summers and freezing winters, with rain spread through the year.
Belleville has warm summers and freezing winters, with rain spread through the year. Expect highs of 80°F (26°C) in July and 28°F (-2°C) in January, with the coldest nights (January) near 12°F (-11°C). About 36 in (918 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 80°F(26°C)
- Average high, July
- Coldest nights
- 12°F(-11°C)
- Average low, January
- Rain per year
- 36 in(918 mm)
- No clear rainy season
- Humidity
- 73%
- Sunniest: June
Best and worst months in Belleville
Best for weatherJune is the best time for weather in Belleville: highs near 75°F (24°C) and about 3.2 in (82 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 28°F (-2°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)
Belleville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 28°F(-2°C) | 12°F(-11°C) | 3.0 in(75 mm) | 81% | 1.4 |
| FebFebruary | 30°F(-1°C) | 13°F(-11°C) | 2.3 in(59 mm) | 75% | 2.3 |
| MarMarch | 40°F(4°C) | 23°F(-5°C) | 2.4 in(61 mm) | 67% | 3.4 |
| AprApril | 53°F(12°C) | 35°F(2°C) | 3.3 in(84 mm) | 62% | 4.3 |
| MayMay | 66°F(19°C) | 46°F(8°C) | 3.1 in(78 mm) | 65% | 5.4 |
| JunJuneBest | 75°F(24°C) | 55°F(13°C) | 3.2 in(82 mm) | 71% | 5.8 |
| JulJuly | 80°F(26°C) | 60°F(16°C) | 2.7 in(68 mm) | 72% | 5.8 |
| AugAugust | 78°F(26°C) | 59°F(15°C) | 3.0 in(76 mm) | 75% | 5.1 |
| SepSeptember | 71°F(22°C) | 52°F(11°C) | 3.0 in(77 mm) | 80% | 4.0 |
| OctOctober | 58°F(14°C) | 41°F(5°C) | 3.6 in(92 mm) | 75% | 2.3 |
| NovNovember | 45°F(7°C) | 31°F(-1°C) | 3.5 in(88 mm) | 78% | 1.4 |
| DecDecember | 34°F(1°C) | 20°F(-7°C) | 3.1 in(78 mm) | 80% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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