Massey, Ontario Climate Data

Massey, Ontario climate data is summarized below. Average annual temperatures range from 32.9 °F (low) to 50.7 °F (high). Annual precipitation averages 24.1 Inches. Massey 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 Low32.9 °F
Annual Precipitation24.1 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 Massey, Ontario

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-26.3 °F-20.9 °F0 in.
February-26.8 °F-20.5 °F0 in.
March-23 °F-16.9 °F558.8 in.
April-18.5 °F-12.7 °F1752.6 in.
May-14.2 °F-8 °F1701.8 in.
June-11.1 °F-5.2 °F1651 in.
July-9.8 °F-3.9 °F1600.2 in.
August-10 °F-4.3 °F1879.6 in.
September-12.5 °F-6.8 °F1879.6 in.
October-15.6 °F-10.8 °F2641.6 in.
November-18.8 °F-14.8 °F1473.2 in.
December-23.5 °F-19.1 °F381 in.
Annual32.9 °F50.7 °F24.05 in.

Additional Climate Conditions

Feels Like High-9.2|-9.1|-1.46|7.32|17.13|22.84|25.45|24.82|19.77|11.52|3.26|-5.39 °F
Feels Like Low-21.38|-22.63|-14.8|-4.91|4.33|11.11|14.04|13.69|8.24|1.61|-5.49|-15.61 °F
Avg Humidity81.5|79|74.57|68.16|64.16|69.41|70.58|73.95|75.58|77.62|81|84%
Avg Wind Speed11.63|12.05|11.9|12.43|12.09|11.13|10.96|10.6|10.78|11.5|11.93|11.59 mph
Cloud Cover81.03|75.75|67.42|64.67|58.67|56.17|46.17|46.17|49.84|68.75|75.42|83.25%
Days of Precipitation10|9|9|10|10|11|11|10|9|14|11|11 days/yr
Annual Snowfall82|72|39|17|0|0|0|0|0|1|24|70 in.

Climate Zone Data for Massey, 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
2026 plantmaps.com