Dorset, Ontario Climate Data

Dorset, Ontario climate data is summarized below. Average annual temperatures range from 30.8 °F (low) to 50.7 °F (high). Annual precipitation averages 25.9 Inches. Dorset is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.

Avg Annual High50.7 °F
Avg Annual Low30.8 °F
Annual Precipitation25.9 in.
Hardiness ZoneZone 4b
Growing Season: Last frost around May 21 - May 31 — First frost around Sep. 21 - Sep. 30 — Approximately 150-180 Days frost days per year.

Monthly Average Climate Data for Dorset, Ontario

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-26.2 °F-20.6 °F0 in.
February-26.8 °F-20.5 °F0 in.
March-23 °F-16.9 °F508 in.
April-18.9 °F-12.4 °F1574.8 in.
May-15 °F-7.6 °F1930.4 in.
June-12.1 °F-5.2 °F2108.2 in.
July-10.9 °F-4 °F2362.2 in.
August-11.3 °F-4.5 °F2235.2 in.
September-13.8 °F-7 °F2082.8 in.
October-16.4 °F-11.1 °F2590.8 in.
November-19.9 °F-15 °F1320.8 in.
December-23.6 °F-19.1 °F0 in.
Annual30.8 °F50.7 °F25.91 in.

Additional Climate Conditions

Feels Like High-8.82|-8.91|-1.33|8.16|18|22.86|25.26|24.25|19.3|10.96|2.89|-5.67 °F
Feels Like Low-21.08|-22.06|-14.16|-5.37|3.36|9.57|12.02|11.14|5.79|0.03|-7.53|-15.85 °F
Avg Humidity82.14|78.5|73.5|69.07|67.41|72.91|73.91|77|80.5|82.09|84.5|86.62%
Avg Wind Speed11.34|11.43|11.5|11.19|10.22|9.07|8.8|8.9|9.35|10.51|11.21|11.46 mph
Cloud Cover83|80.5|73|66|59.56|57.5|47.13|47.06|50.5|69.56|74.5|87%
Days of Precipitation12|11|11|11|12|12|14|12|10|14|12|14 days/yr
Annual Snowfall96|90|45|19|1|0|0|0|0|1|33|100 in.

Climate Zone Data for Dorset, Ontario

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness ZoneZone 4b : -25°F to -20°F
Current Drought ConditionsNormal
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