July is one of the warmer months of the year in Fort St. John, with average highs near 21.3°C and lows around 10.1°C (mean 15.7°C). It is a relatively wet time of year, averaging 83 mm of rainfall and 71% relative humidity across the period.
July is one of the warmer months of the year in Fort St. John. Across 45 years of records, the warmest July in Fort St. John was 2024 — when the month averaged 18.4°C — while the coldest was 2011 at 13.3°C. Typical July days reach 21.3°C with nights near 10.1°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Fort St. John, averaging 83 mm of rainfall. The wettest July on record was 2011 with 191 mm, while the driest was 2010 at 21 mm.
Relative humidity in Fort St. John during July averages 71%. The most humid July was 2020 at 82%, and the least humid was 2010 at 57%.
July receives about 5.8 kWh/m²/day of solar energy in Fort St. John. The sunniest July was 2012 at 6.5 kWh/m²/day, and the cloudiest was 2023 at 4.9.
Average wind speed in Fort St. John during July is 0.5 m/s. The windiest Julys were 2002, 2005 and 2010, among others at 0.6 m/s, while the calmest were 2013, 2016 and 2023, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.3°C | 15.3°C | 15.8°C | 15.8°C | 16.6°C | +1.3°C |
| Avg High | 21.1°C | 20.9°C | 21.5°C | 21.3°C | 22.2°C | +1.1°C |
| Avg Low | 9.6°C | 9.7°C | 10.1°C | 10.2°C | 11.0°C | +1.4°C |
| Avg Rain | 88 mm | 85 mm | 87 mm | 83 mm | 65 mm | -24 mm |
July temperatures in Fort St. John have risen by about 1.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 2.2°C (2002) to a record high of 36.1°C (2007).
Rainfall in July is a relatively wet time of year, averaging 83 mm, with a wettest year of 191 mm.
One of the best times to visit Fort St. John
July is one of the best times to visit Fort St. John. Expect days averaging 21.3°C and nights around 10.1°C (mean 15.7°C) — warmer than Fort St. John's yearly average — with higher rainfall (83 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.8°C | 16.0°C | 10.3°C | 31.5°C | 6.9°C | 70 mm | 68% | 0.5 m/s | 5.4 |
| 2024 🔥 | 24.7°C | 18.4°C | 12.0°C | 34.4°C | 7.6°C | 58 mm | 66% | 0.5 m/s | 6.1 |
| 2023 | 23.2°C | 17.5°C | 11.7°C | 29.9°C | 7.8°C | 64 mm | 71% | 0.4 m/s | 4.9 |
| 2022 | 21.2°C | 15.9°C | 10.6°C | 29.5°C | 6.4°C | 37 mm | 77% | 0.5 m/s | 6.2 |
| 2021 | 22.9°C | 17.1°C | 11.4°C | 30.7°C | 7.2°C | 48 mm | 68% | 0.5 m/s | 5.9 |
| 2020 | 19.1°C | 14.6°C | 10.1°C | 25.7°C | 7.5°C | 112 mm | 82% | 0.5 m/s | 5.4 |
| 2019 | 19.5°C | 14.6°C | 9.6°C | 25.9°C | 5.9°C | 122 mm | 77% | 0.5 m/s | 5.3 |
| 2018 | 20.6°C | 15.4°C | 10.2°C | 28.4°C | 6.3°C | 118 mm | 78% | 0.5 m/s | 5.7 |
| 2017 | 20.2°C | 14.7°C | 9.1°C | 24.4°C | 5.9°C | 72 mm | 75% | 0.5 m/s | 6.1 |
| 2016 | 21.4°C | 16.2°C | 11.0°C | 26.6°C | 6.6°C | 76 mm | 72% | 0.4 m/s | 5.9 |
| 2015 | 22.3°C | 16.6°C | 10.9°C | 28.2°C | 7.6°C | 36 mm | 67% | 0.5 m/s | 6 |
| 2014 | 23.6°C | 17.4°C | 11.2°C | 34.4°C | 7.6°C | 66 mm | 71% | 0.5 m/s | 6.3 |
| 2013 | 20.1°C | 14.9°C | 9.8°C | 29.6°C | 4.1°C | 98 mm | 76% | 0.4 m/s | 5.6 |
| 2012 | 24.0°C | 17.6°C | 11.2°C | 32.2°C | 6.3°C | 25 mm | 69% | 0.5 m/s | 6.5 |
| 2011 ❄️ 🌧️ | 17.6°C | 13.3°C | 9.0°C | 21.0°C | 5.6°C | 191 mm | 82% | 0.5 m/s | 5.3 |
| 2010 | 23.2°C | 16.9°C | 10.5°C | 30.7°C | 5.0°C | 21 mm | 57% | 0.6 m/s | 6 |
| 2009 | 21.8°C | 16.0°C | 10.2°C | 31.1°C | 5.4°C | 71 mm | 72% | 0.5 m/s | 6 |
| 2008 | 22.8°C | 16.5°C | 10.1°C | 29.5°C | 5.0°C | 24 mm | 59% | 0.5 m/s | 6.3 |
| 2007 | 23.0°C | 17.1°C | 11.2°C | 36.1°C | 7.0°C | 92 mm | 68% | 0.5 m/s | 6 |
| 2006 | 23.4°C | 17.4°C | 11.3°C | 32.3°C | 7.8°C | 60 mm | 62% | 0.5 m/s | 5.7 |
| 2005 | 19.9°C | 14.5°C | 9.0°C | 25.8°C | 5.1°C | 85 mm | 69% | 0.6 m/s | 5.7 |
| 2004 | 22.1°C | 16.7°C | 11.2°C | 29.6°C | 6.6°C | 123 mm | 73% | 0.5 m/s | 5.9 |
| 2003 | 21.1°C | 15.4°C | 9.8°C | 30.5°C | 6.6°C | 65 mm | 74% | 0.5 m/s | 6.1 |
| 2002 | 20.5°C | 14.8°C | 9.1°C | 28.9°C | 2.2°C | 101 mm | 69% | 0.6 m/s | 5.5 |
| 2001 | 20.3°C | 14.8°C | 9.3°C | 26.3°C | 5.9°C | 108 mm | 75% | 0.5 m/s | 5.8 |
| 2000 | 20.1°C | 15.1°C | 10.1°C | 28.1°C | 4.3°C | 137 mm | 76% | 0.5 m/s | 5.8 |
| 1999 | 20.2°C | 14.4°C | 8.6°C | 27.8°C | 2.8°C | 47 mm | 66% | 0.6 m/s | 5.8 |
| 1998 | 23.2°C | 17.3°C | 11.3°C | 30.1°C | 4.3°C | 65 mm | 68% | 0.5 m/s | 6 |
| 1997 | 20.0°C | 15.0°C | 10.1°C | 28.6°C | 6.9°C | 154 mm | 79% | 0.5 m/s | 6 |
| 1996 | 19.4°C | 14.1°C | 8.7°C | 29.0°C | 3.0°C | 124 mm | 78% | 0.5 m/s | 5.8 |
| 1995 | 19.5°C | 14.4°C | 9.3°C | 26.3°C | 4.7°C | 112 mm | 77% | 0.5 m/s | 5.3 |
| 1994 | 22.1°C | 16.5°C | 10.8°C | 29.5°C | 6.4°C | 67 mm | 72% | 0.5 m/s | 6 |
| 1993 | 18.1°C | 13.4°C | 8.8°C | 22.7°C | 4.5°C | 142 mm | 80% | 0.4 m/s | 5.4 |
| 1992 | 21.9°C | 15.7°C | 9.5°C | 28.2°C | 5.1°C | 56 mm | 63% | 0.4 m/s | 6.1 |
| 1991 | 22.0°C | 15.8°C | 9.6°C | 29.3°C | 4.8°C | 42 mm | 63% | 0.5 m/s | 6 |
| 1990 | 22.3°C | 16.2°C | 10.1°C | 30.1°C | 6.5°C | 41 mm | 71% | 0.4 m/s | 6.4 |
| 1989 | 22.6°C | 16.5°C | 10.4°C | 29.7°C | 6.0°C | 61 mm | 68% | 0.4 m/s | 6 |
| 1988 | 19.9°C | 14.5°C | 9.2°C | 30.8°C | 5.3°C | 61 mm | 70% | 0.5 m/s | 5.7 |
| 1987 | 20.9°C | 15.5°C | 10.1°C | 28.3°C | 5.0°C | 142 mm | 74% | 0.4 m/s | 5.5 |
| 1986 | 19.3°C | 14.1°C | 9.0°C | 26.4°C | 5.8°C | 117 mm | 76% | 0.5 m/s | 5.4 |
| 1985 | 23.3°C | 16.2°C | 9.1°C | 29.5°C | 5.7°C | 28 mm | 57% | 0.5 m/s | 6.2 |
| 1984 | 21.3°C | 15.1°C | 8.9°C | 31.6°C | 4.7°C | 32 mm | 67% | 0.6 m/s | 6.2 |
| 1983 | 19.2°C | 14.1°C | 9.1°C | 25.6°C | 5.9°C | 160 mm | 79% | 0.5 m/s | — |
| 1982 | 21.7°C | 16.3°C | 11.0°C | 28.7°C | 4.2°C | 128 mm | 73% | 0.5 m/s | — |
| 1981 | 21.4°C | 15.7°C | 10.0°C | 30.2°C | 4.0°C | 68 mm | 73% | 0.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 21.3°C with lows near 10.1°C (mean 15.7°C), based on 45 years of NASA POWER data.
July averages 83 mm of rainfall in Fort St. John, a relatively wet time of year. The wettest on record was 191 mm in 2011.
The hottest July reached 36.1°C in 2007. The coldest dipped to 2.2°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.5°C. Daytime highs moved from 21.4°C to 22.8°C and overnight lows from 9.6°C to 11.2°C over the same span.
July is one of the warmer months of the year in Fort St. John and a relatively wet time of year, so plan for around 21.3°C daytime highs and 10.1°C at night.
Not quite — July is the 12th coolest month in Fort St. John, averaging 15.7°C.
For July in Fort St. John, pack light layers you can adjust through the day, with typical highs of 21.3°C and lows of 10.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 71% — moderately humid.
Average wind speed in July is 0.5 m/s. The windiest July on record averaged 0.6 m/s (1984).
The wettest July on record was 2011 with 191 mm. On average, July sees 83 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
