Fort St. John British Columbia Climate Data

Monthly Average Climate Data for Fort St. John British Columbia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-15.12 °F-6.63 °F0 in.
February-14.13 °F-5.02 °F0 in.
March-11.51 °F-1.19 °F0 in.
April-2.29 °F7.78 °F26 in.
May3.52 °F16.23 °F44 in.
June8.26 °F20.2 °F93 in.
July10.6 °F23.23 °F69 in.
August9.27 °F22.29 °F49 in.
September5.03 °F16.91 °F46 in.
October-0.31 °F7.66 °F39 in.
November-10.8 °F-3.37 °F0 in.
December-17.79 °F-9.6 °F0 in.
Annual-2.9 °F7.4 °F366 in.

Climate Data for Fort St. John British Columbia

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost
Plant Hardiness Zone - 2023Zone 3a : -40°F to -35°F
Current Drought ConditionsAbnormally Dry
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