Roy, British Columbia Climate Data

Roy, British Columbia climate data is summarized below. Average annual temperatures range from 40.3 °F (low) to 56.8 °F (high). Annual precipitation averages 62.5 Inches. Roy is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.

Avg Annual High56.8 °F
Avg Annual Low40.3 °F
Annual Precipitation62.5 in.
Hardiness ZoneZone 8b
Growing Season: Last frost around Mar. 11 - Mar. 20 — First frost around Nov. 21 - Nov. 30 — Approximately 30-40 Days frost days per year.

Monthly Average Climate Data for Roy, British Columbia

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-18.4 °F-15.4 °F4394.2 in.
February-17.9 °F-14.3 °F3149.6 in.
March-17.4 °F-13.2 °F4216.4 in.
April-16.4 °F-10.8 °F2768.6 in.
May-14.2 °F-7.8 °F1727.2 in.
June-12.8 °F-6.2 °F1397 in.
July-11.4 °F-4 °F1016 in.
August-11.4 °F-3.9 °F1346.2 in.
September-12.8 °F-6.4 °F3327.4 in.
October-14.7 °F-10.2 °F5867.4 in.
November-16.9 °F-13.7 °F6502.4 in.
December-18.5 °F-15.7 °F4622.8 in.
Annual40.3 °F56.8 °F62.53 in.

Additional Climate Conditions

Feels Like High2.27|4.21|6.33|11.47|17.57|20.87|25.09|25.22|20.48|12.88|5.63|1.39 °F
Feels Like Low-5.13|-4.12|-2.97|-0.67|3.83|6.76|9.78|10|7.04|2.98|-1.96|-5.67 °F
Avg Humidity88.72|86|81.82|74.95|72.03|71.47|69.05|70.55|76|83.56|85.88|86.25%
Avg Wind Speed12.61|12.66|13.6|13.18|14.09|14.82|15.95|14.7|13.21|12.88|13.02|13.46 mph
Cloud Cover76.56|76.5|75.89|66.34|60.95|60.39|42.69|45.05|53.95|70.89|77.78|76.13%
Days of Precipitation18|17|19|13|11|11|7|8|10|20|20|20 days/yr
Annual Snowfall67|44|37|3|0|0|0|0|0|0|21|58 in.

Climate Zone Data for Roy, British Columbia

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness ZoneZone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
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