Belleville, Ontario Climate Data

Belleville, Ontario climate data is summarized below. Average annual temperatures range from 37 °F (low) to 56.1 °F (high). Annual precipitation averages 28.1 Inches. Belleville is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.

Avg Annual High56.1 °F
Avg Annual Low37 °F
Annual Precipitation28.1 in.
Hardiness ZoneZone 6a
Growing Season: Last frost around Apr. 21 - Apr. 30 — First frost around Oct. 11 - Oct. 20 — Approximately 125-150 Days frost days per year.

Monthly Average Climate Data for Belleville, Ontario

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-23.8 °F-18.8 °F330.2 in.
February-24.3 °F-18.8 °F177.8 in.
March-20.8 °F-15 °F1016 in.
April-16.8 °F-10.5 °F1727.2 in.
May-13.3 °F-6.3 °F2133.6 in.
June-10.3 °F-3.9 °F2362.2 in.
July-9 °F-2.5 °F2921 in.
August-9.5 °F-3.1 °F2489.2 in.
September-12.2 °F-5.5 °F1600.2 in.
October-15 °F-9.4 °F1524 in.
November-18.4 °F-13.2 °F1016 in.
December-21.4 °F-17.2 °F812.8 in.
Annual37 °F56.1 °F28.07 in.

Additional Climate Conditions

Feels Like High-5.53|-5.76|2.35|11.81|20.6|25.56|28.46|27.46|22.5|14.22|6.25|-2.09 °F
Feels Like Low-16.32|-17.57|-9.74|-1.32|6.63|12.99|15.68|14.79|9.32|3.17|-4.03|-11.44 °F
Avg Humidity74.5|72.05|67.55|63.05|63.52|68.03|68.52|72.54|75.54|77.03|76.56|79.03%
Avg Wind Speed13.86|14.34|13.7|14.29|12.97|11.98|11.8|10.79|10.56|11.86|11.99|13.25 mph
Cloud Cover75.5|73|68.45|61.5|57|53|42.48|41.48|45.5|64.5|67.5|79.5%
Days of Precipitation7|7|9|10|11|11|11|11|9|11|8|9 days/yr
Annual Snowfall17|27|11|3|0|0|0|0|0|0|2|15 in.

Climate Zone Data for Belleville, Ontario

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 6a : -10°F to -5°F
Current Drought ConditionsNormal
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