Sudbury, Ontario Climate Data

Sudbury, Ontario climate data is summarized below. Average annual temperatures range from -0.4 °C (low) to 10.3 °C (high). Annual precipitation averages 614 Millimeters. Sudbury is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.

Avg Annual High10.3 °C

Avg Annual Low-0.4 °C

Annual Precipitation614 mm

Hardiness ZoneZone 4b

Growing Season: Last frost around May 1 - May 10 — First frost around Oct. 1 - Oct. 10 — Approximately 100-125 Days frost days per year.

Monthly Average Climate Data for Sudbury, Ontario

Average monthly temperatures and precipitation Switch to Fahrenheit

Month	Avg. Low	Avg. High	Avg. Precip
January	-16.17 °C	-6.53 °C	0 mm
February	-16.61 °C	-5.77 °C	0 mm
March	-9.61 °C	1.79 °C	14 mm
April	-1.47 °C	10.03 °C	61 mm
May	5.67 °C	18.46 °C	72 mm
June	11.18 °C	23.21 °C	72 mm
July	13.41 °C	25.39 °C	71 mm
August	12.79 °C	24.22 °C	92 mm
September	8 °C	19.45 °C	80 mm
October	2.57 °C	11.7 °C	103 mm
November	-3.48 °C	4.47 °C	46 mm
December	-11.38 °C	-3.41 °C	3 mm
Annual	-0.4 °C	10.3 °C	614 mm

Additional Climate Conditions

Feels Like High-10.77|-10.52|-1.59|8.17|17.98|23.41|25.9|24.69|19.38|10.23|1.7|-7.29 °C

Feels Like Low-22.56|-23.03|-14.86|-5.3|3.54|10.32|13.05|12.35|6.67|-0.12|-7.62|-17.29 °C

Avg Humidity82.5|78|71.06|64.58|62.54|68.54|70.09|75.59|77.59|81.04|83.52|86%

Avg Wind Speed12.88|12.98|12.95|13.75|13.36|11.59|11.29|10.92|11.71|12.97|13.78|13.29 mph

Cloud Cover80|77|71.5|68.5|62.5|60.5|51.5|53|53|72.5|78|82.5%

Days of Precipitation11|10|9|10|10|11|13|13|9|13|12|13 days/yr

Annual Snowfall91|79|44|20|1|0|0|0|0|1|29|80 mm

Climate Zone Data for Sudbury, Ontario

Average First Frost Date	Oct. 1 - Oct. 10
Average Last Frost Date	May 1 - May 10
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 4b : -31.7°C to -28.9°C
Current Drought Conditions	Normal

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