March is one of the cooler months of the year in Fort St. John, with average highs near -2.1°C and lows around -11.3°C (mean -6.7°C). It is one of the drier months, averaging 39 mm of rainfall and 94% relative humidity across the period.
March is one of the cooler months of the year in Fort St. John. Across 45 years of records, the warmest March in Fort St. John was 1988 — when the month averaged -1.3°C — while the coldest was 2002 at -13.8°C. Typical March days reach -2.1°C with nights near -11.3°C. The long-term trend is cooling, about 0.3°C per decade.
March is one of the drier months in Fort St. John, averaging 39 mm of rainfall. The wettest March on record was 2018 with 78 mm, while the driest was 2024 at 11 mm.
Relative humidity in Fort St. John during March averages 94%. The most humid Marchs were 1983 and 2011 at 99%, and the least humid was 1993 at 83%.
March receives about 3.1 kWh/m²/day of solar energy in Fort St. John. The sunniest March was 2025 at 3.4 kWh/m²/day, and the cloudiest was 2007 at 2.7.
Average wind speed in Fort St. John during March is 0.8 m/s. The windiest March was 2005 at 1 m/s, while the calmest was 1983 at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.4°C | -5.8°C | -7.6°C | -7.1°C | -6.6°C | -0.2°C |
| Avg High | -1.8°C | -1.3°C | -2.9°C | -2.6°C | -1.9°C | -0.1°C |
| Avg Low | -10.9°C | -10.3°C | -12.4°C | -11.6°C | -11.3°C | -0.4°C |
| Avg Rain | 35 mm | 31 mm | 51 mm | 46 mm | 28 mm | -7 mm |
March temperatures in Fort St. John have risen by about 0.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -40.5°C (2014) to a record high of 15.4°C (2016).
Rainfall in March is one of the drier months, averaging 39 mm, with a wettest year of 78 mm.
A good time to visit Fort St. John
March is a good time to visit Fort St. John, with days averaging -2.1°C and nights around -11.3°C (mean -6.7°C, cooler than Fort St. John's yearly average) and moderate rainfall. August and July are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | -0.1°C | -4.6°C | -9.0°C | 7.4°C | -18.2°C | 20 mm | 89% | 0.7 m/s | 3.4 |
| 2024 | 0.3°C | -4.8°C | -10.0°C | 14.2°C | -29.1°C | 11 mm | 84% | 0.8 m/s | 3.1 |
| 2023 | -5.6°C | -10.1°C | -14.6°C | 1.1°C | -26.3°C | 27 mm | 98% | 0.7 m/s | 3.2 |
| 2022 | 0.4°C | -4.0°C | -8.3°C | 8.1°C | -20.1°C | 21 mm | 91% | 0.8 m/s | 3 |
| 2021 | -0.1°C | -4.6°C | -9.1°C | 4.1°C | -20.3°C | 38 mm | 94% | 0.8 m/s | 2.9 |
| 2020 | -6.2°C | -11.5°C | -16.8°C | 0.4°C | -30.2°C | 53 mm | 98% | 0.9 m/s | 3.3 |
| 2019 | -1.3°C | -6.5°C | -11.6°C | 10.2°C | -31.7°C | 17 mm | 94% | 0.7 m/s | 3.3 |
| 2018 🌧️ | -5.3°C | -9.2°C | -13.2°C | 1.1°C | -23.8°C | 78 mm | 98% | 0.8 m/s | 3 |
| 2017 | -3.7°C | -8.1°C | -12.5°C | 8.6°C | -24.0°C | 46 mm | 92% | 0.8 m/s | 3 |
| 2016 | 2.4°C | -2.2°C | -6.8°C | 15.4°C | -13.7°C | 54 mm | 90% | 0.7 m/s | 3.1 |
| 2015 | 1.6°C | -2.6°C | -6.8°C | 7.1°C | -24.6°C | 52 mm | 93% | 0.8 m/s | 2.9 |
| 2014 | -7.0°C | -11.5°C | -16.0°C | 0.6°C | -40.5°C | 38 mm | 97% | 0.9 m/s | 3.3 |
| 2013 | -4.7°C | -9.5°C | -14.2°C | 2.8°C | -23.3°C | 40 mm | 98% | 0.8 m/s | 3.2 |
| 2012 | -1.7°C | -6.4°C | -11.0°C | 5.5°C | -22.4°C | 40 mm | 93% | 0.8 m/s | 2.9 |
| 2011 | -8.0°C | -12.2°C | -16.3°C | 0.3°C | -34.6°C | 53 mm | 99% | 0.8 m/s | 2.8 |
| 2010 | 1.3°C | -3.0°C | -7.3°C | 6.5°C | -15.5°C | 38 mm | 92% | 0.8 m/s | 3 |
| 2009 | -6.0°C | -11.5°C | -17.0°C | 0.3°C | -35.8°C | 53 mm | 98% | 0.9 m/s | 3 |
| 2008 | -1.7°C | -6.6°C | -11.6°C | 2.2°C | -27.4°C | 34 mm | 97% | 0.8 m/s | 3.2 |
| 2007 | -4.3°C | -8.7°C | -13.0°C | 1.8°C | -23.9°C | 67 mm | 98% | 0.8 m/s | 2.7 |
| 2006 | -4.5°C | -9.5°C | -14.5°C | 7.1°C | -28.7°C | 40 mm | 95% | 0.8 m/s | 2.9 |
| 2005 | 2.1°C | -2.2°C | -6.5°C | 8.0°C | -16.9°C | 61 mm | 89% | 1 m/s | 3 |
| 2004 | 0.5°C | -4.3°C | -9.1°C | 10.6°C | -22.2°C | 49 mm | 90% | 0.9 m/s | 3.2 |
| 2003 | -5.3°C | -10.3°C | -15.4°C | 4.0°C | -38.1°C | 76 mm | 98% | 0.8 m/s | 3 |
| 2002 ❄️ | -8.9°C | -13.8°C | -18.8°C | 0.9°C | -30.7°C | 57 mm | 98% | 0.8 m/s | 3 |
| 2001 | 0.3°C | -4.4°C | -9.0°C | 7.9°C | -25.6°C | 37 mm | 86% | 0.9 m/s | 3.1 |
| 2000 | -0.9°C | -5.0°C | -9.1°C | 7.6°C | -18.1°C | 31 mm | 94% | 0.9 m/s | 3 |
| 1999 | -1.5°C | -5.4°C | -9.3°C | 1.5°C | -17.3°C | 25 mm | 97% | 0.7 m/s | 3.1 |
| 1998 | -2.0°C | -6.0°C | -10.1°C | 7.2°C | -27.9°C | 30 mm | 93% | 0.8 m/s | 3.2 |
| 1997 | -5.9°C | -9.9°C | -13.9°C | 1.7°C | -29.0°C | 74 mm | 98% | 0.9 m/s | 3 |
| 1996 | -6.0°C | -10.7°C | -15.3°C | 1.5°C | -30.4°C | 35 mm | 98% | 0.9 m/s | 3 |
| 1995 | -4.5°C | -9.0°C | -13.5°C | 5.0°C | -33.7°C | 36 mm | 98% | 0.7 m/s | 3 |
| 1994 | 0.9°C | -3.4°C | -7.8°C | 13.0°C | -18.2°C | 22 mm | 96% | 0.9 m/s | 3.1 |
| 1993 | 2.8°C | -1.9°C | -6.7°C | 9.0°C | -20.0°C | 21 mm | 83% | 0.8 m/s | 3.1 |
| 1992 | 3.3°C | -1.4°C | -6.0°C | 9.1°C | -20.0°C | 17 mm | 89% | 0.8 m/s | 3.2 |
| 1991 | -1.8°C | -6.8°C | -11.9°C | 11.4°C | -30.7°C | 22 mm | 89% | 0.8 m/s | 3 |
| 1990 | 1.6°C | -3.4°C | -8.3°C | 8.0°C | -19.5°C | 25 mm | 89% | 0.8 m/s | 3 |
| 1989 | -7.3°C | -12.5°C | -17.7°C | 2.4°C | -28.8°C | 51 mm | 98% | 0.8 m/s | 3 |
| 1988 🔥 | 2.8°C | -1.3°C | -5.3°C | 7.5°C | -11.6°C | 38 mm | 88% | 0.8 m/s | 3 |
| 1987 | -7.1°C | -11.5°C | -16.0°C | 0.4°C | -30.9°C | 67 mm | 99% | 0.7 m/s | 2.8 |
| 1986 | 1.5°C | -2.5°C | -6.6°C | 7.0°C | -19.0°C | 35 mm | 89% | 0.9 m/s | 3 |
| 1985 | -0.8°C | -5.0°C | -9.2°C | 5.4°C | -23.1°C | 31 mm | 95% | 0.9 m/s | 3.1 |
| 1984 | 0.8°C | -4.0°C | -8.8°C | 11.7°C | -27.8°C | 20 mm | 90% | 0.7 m/s | 3.1 |
| 1983 | -4.9°C | -9.0°C | -13.1°C | 0.4°C | -21.4°C | 21 mm | 99% | 0.6 m/s | — |
| 1982 | -5.1°C | -9.9°C | -14.8°C | 0.2°C | -25.6°C | 34 mm | 99% | 0.8 m/s | — |
| 1981 | 3.7°C | -1.5°C | -6.6°C | 8.8°C | -18.1°C | 16 mm | 86% | 0.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -2.1°C with lows near -11.3°C (mean -6.7°C), based on 45 years of NASA POWER data.
March averages 39 mm of rainfall in Fort St. John, one of the drier months. The wettest on record was 78 mm in 2018.
The hottest March reached 15.4°C in 2016. The coldest dipped to -40.5°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.3°C. Daytime highs moved from -1.3°C to -1°C and overnight lows from -10.5°C to -10.2°C over the same span.
March is one of the cooler months of the year in Fort St. John and one of the drier months, so plan for around -2.1°C daytime highs and -11.3°C at night.
Not quite — March is the 5th coolest month in Fort St. John, averaging -6.7°C.
For March in Fort St. John, pack warm layers and a jacket for chilly mornings, with typical highs of -2.1°C and lows of -11.3°C.
Relative humidity in March averages 94% — quite humid.
Average wind speed in March is 0.8 m/s. The windiest March on record averaged 1 m/s (2005).
The wettest March on record was 2018 with 78 mm. On average, March sees 39 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Fort St. John behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
