Fort St. John, British Columbia Climate Data

Fort St. John, British Columbia climate data is summarized below. Average annual temperatures range from 26.7 °F (low) to 45.3 °F (high). Annual precipitation averages 14.4 Inches. Fort St. John is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.

Avg Annual High45.3 °F
Avg Annual Low26.7 °F
Annual Precipitation14.4 in.
Hardiness ZoneZone 3a
Growing Season: Last frost around May 11 - May 20 — First frost around Sep.11 - Sep. 20 — Approximately Over 180 Days frost days per year.

Monthly Average Climate Data for Fort St. John, British Columbia

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-26.2 °F-21.5 °F0 in.
February-25.6 °F-20.6 °F0 in.
March-24.2 °F-18.4 °F0 in.
April-19.1 °F-13.5 °F660.4 in.
May-15.8 °F-8.8 °F1117.6 in.
June-13.2 °F-6.6 °F2362.2 in.
July-11.9 °F-4.9 °F1752.6 in.
August-12.6 °F-5.4 °F1244.6 in.
September-15 °F-8.4 °F1168.4 in.
October-18 °F-13.5 °F990.6 in.
November-23.8 °F-19.7 °F0 in.
December-27.7 °F-23.1 °F0 in.
Annual26.7 °F45.3 °F14.41 in.

Additional Climate Conditions

Feels Like High-10.27|-8.15|-3.91|6.06|15.75|20.12|23.29|22.28|16.5|5.91|-6.54|-13.38 °F
Feels Like Low-20.05|-18.96|-16.18|-5.47|1.54|7.08|9.89|8.44|3.46|-3.16|-15.27|-23.13 °F
Avg Humidity83.85|80.91|78.41|68.99|58|61.29|62.79|63.73|66.79|75.29|83.41|86.35%
Avg Wind Speed9.57|8.59|9.14|10.5|10.28|10.25|9.81|9.48|10.27|10.49|9.64|8.77 mph
Cloud Cover78.24|80.5|75|69|56.5|58.5|53.5|53.14|58|69.06|73|75.5%
Days of Precipitation9|9|10|10|11|14|15|11|9|11|12|10 days/yr
Annual Snowfall80|71|84|19|3|0|0|0|0|20|83|117 in.

Climate Zone Data for Fort St. John, British Columbia

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 11 - May 20
Average Days With FrostOver 180 Days
Plant Hardiness ZoneZone 3a : -40°F to -35°F
Current Drought ConditionsNormal
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