July is one of the warmer months of the year in Prince Rupert, with average highs near 15.8°C and lows around 11.6°C (mean 13.7°C). It is one of the drier months, averaging 109 mm of rainfall and 85% relative humidity across the period.
July is one of the warmer months of the year in Prince Rupert. Across 45 years of records, the warmest July in Prince Rupert was 1990 — when the month averaged 15.4°C — while the coldest was 1988 at 12.1°C. Typical July days reach 15.8°C with nights near 11.6°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Prince Rupert, averaging 109 mm of rainfall. The wettest July on record was 2005 with 241 mm, while the driest was 1990 at 28 mm.
Relative humidity in Prince Rupert during July averages 85%. The most humid Julys were 2000 and 2001 at 89%, and the least humid was 1990 at 78%.
July receives about 4.7 kWh/m²/day of solar energy in Prince Rupert. The sunniest July was 2018 at 5.6 kWh/m²/day, and the cloudiest was 2008 at 3.9.
Average wind speed in Prince Rupert during July is 2.4 m/s. The windiest July was 2008 at 3 m/s, while the calmest was 1989 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.3°C | 13.8°C | 13.6°C | 13.9°C | 14.1°C | +0.8°C |
| Avg High | 15.6°C | 16.0°C | 15.5°C | 15.9°C | 15.9°C | +0.3°C |
| Avg Low | 11.1°C | 11.6°C | 11.6°C | 11.9°C | 12.2°C | +1.1°C |
| Avg Rain | 100 mm | 91 mm | 125 mm | 117 mm | 114 mm | +13 mm |
July temperatures in Prince Rupert have risen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.6°C (1988) to a record high of 25.9°C (2009).
Rainfall in July is one of the drier months, averaging 109 mm, with a wettest year of 241 mm.
One of the best times to visit Prince Rupert
July is one of the best times to visit Prince Rupert. Expect days averaging 15.8°C and nights around 11.6°C (mean 13.7°C) — warmer than Prince Rupert's yearly average — with higher rainfall (109 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 | 15.6°C | 13.7°C | 11.8°C | 19.3°C | 9.4°C | 110 mm | 87% | 2.5 m/s | 5.2 |
| 2024 | 16.1°C | 14.3°C | 12.4°C | 20.3°C | 10.2°C | 70 mm | 86% | 2.1 m/s | 4.9 |
| 2023 | 16.9°C | 14.7°C | 12.6°C | 22.7°C | 9.9°C | 84 mm | 85% | 1.9 m/s | 5 |
| 2022 | 16.2°C | 14.2°C | 12.3°C | 21.6°C | 10.6°C | 133 mm | 88% | 2.8 m/s | 4.5 |
| 2021 | 15.8°C | 14.0°C | 12.2°C | 20.9°C | 10.6°C | 84 mm | 86% | 2 m/s | 4.7 |
| 2020 | 15.0°C | 13.4°C | 11.7°C | 22.3°C | 10.6°C | 201 mm | 87% | 2.5 m/s | 4 |
| 2019 | 16.6°C | 14.8°C | 13.0°C | 22.9°C | 11.7°C | 122 mm | 84% | 2.1 m/s | 4.5 |
| 2018 | 17.4°C | 15.1°C | 12.7°C | 23.5°C | 9.6°C | 46 mm | 84% | 2.1 m/s | 5.6 |
| 2017 | 14.9°C | 13.0°C | 11.2°C | 17.9°C | 9.6°C | 152 mm | 84% | 2.6 m/s | 4.2 |
| 2016 | 16.2°C | 14.4°C | 12.7°C | 20.2°C | 10.5°C | 104 mm | 87% | 2.6 m/s | 4.2 |
| 2015 | 16.7°C | 14.8°C | 12.8°C | 23.4°C | 11.1°C | 163 mm | 85% | 2.6 m/s | 4.7 |
| 2014 | 16.3°C | 14.2°C | 12.0°C | 20.6°C | 10.8°C | 124 mm | 85% | 2.8 m/s | 4.8 |
| 2013 | 16.4°C | 14.3°C | 12.2°C | 23.9°C | 9.9°C | 86 mm | 84% | 2.2 m/s | 5 |
| 2012 | 15.1°C | 13.1°C | 11.1°C | 18.9°C | 8.6°C | 117 mm | 85% | 2.6 m/s | 4.7 |
| 2011 | 14.1°C | 12.5°C | 10.9°C | 20.1°C | 9.1°C | 180 mm | 87% | 2.8 m/s | 4 |
| 2010 | 14.9°C | 12.8°C | 10.7°C | 22.3°C | 8.8°C | 81 mm | 86% | 2.8 m/s | 5.2 |
| 2009 | 17.4°C | 14.8°C | 12.2°C | 25.9°C | 8.9°C | 67 mm | 86% | 2 m/s | 4.9 |
| 2008 | 13.9°C | 12.2°C | 10.4°C | 19.1°C | 8.0°C | 171 mm | 86% | 3 m/s | 3.9 |
| 2007 | 16.4°C | 14.3°C | 12.1°C | 23.3°C | 10.2°C | 105 mm | 85% | 2.3 m/s | 4.2 |
| 2006 | 15.7°C | 13.7°C | 11.8°C | 20.4°C | 10.0°C | 96 mm | 84% | 2.5 m/s | 5.1 |
| 2005 🌧️ | 15.1°C | 13.4°C | 11.7°C | 17.4°C | 10.3°C | 241 mm | 87% | 2.8 m/s | 4.3 |
| 2004 | 17.1°C | 15.0°C | 12.9°C | 21.0°C | 10.6°C | 115 mm | 86% | 2.1 m/s | 5 |
| 2003 | 16.0°C | 14.0°C | 12.0°C | 20.1°C | 10.3°C | 80 mm | 85% | 2 m/s | 4.8 |
| 2002 | 14.9°C | 13.0°C | 11.1°C | 19.9°C | 8.1°C | 97 mm | 85% | 2.2 m/s | 4.6 |
| 2001 | 13.8°C | 12.2°C | 10.6°C | 17.9°C | 9.4°C | 139 mm | 89% | 2.7 m/s | 4 |
| 2000 | 14.8°C | 13.2°C | 11.5°C | 17.1°C | 9.7°C | 142 mm | 89% | 2.5 m/s | 4.5 |
| 1999 | 15.3°C | 13.0°C | 10.7°C | 21.1°C | 8.7°C | 94 mm | 85% | 2.5 m/s | 4.6 |
| 1998 | 16.4°C | 14.1°C | 11.9°C | 20.7°C | 10.3°C | 100 mm | 85% | 2.4 m/s | 5 |
| 1997 | 15.8°C | 13.9°C | 12.0°C | 21.9°C | 11.0°C | 138 mm | 86% | 2.2 m/s | 4.6 |
| 1996 | 15.1°C | 12.9°C | 10.6°C | 19.6°C | 8.6°C | 87 mm | 86% | 2.3 m/s | 4.7 |
| 1995 | 15.8°C | 13.7°C | 11.6°C | 20.6°C | 9.9°C | 121 mm | 87% | 2.2 m/s | 4.7 |
| 1994 | 16.5°C | 14.1°C | 11.7°C | 21.0°C | 9.1°C | 78 mm | 85% | 2.5 m/s | 4.6 |
| 1993 | 16.3°C | 13.9°C | 11.5°C | 20.1°C | 10.0°C | 84 mm | 83% | 2.2 m/s | 4.5 |
| 1992 | 16.0°C | 13.8°C | 11.7°C | 20.7°C | 9.5°C | 82 mm | 86% | 2.4 m/s | 4.7 |
| 1991 | 15.1°C | 13.1°C | 11.1°C | 21.6°C | 9.0°C | 100 mm | 85% | 2.4 m/s | 4.5 |
| 1990 🔥 | 18.1°C | 15.4°C | 12.7°C | 25.7°C | 10.1°C | 28 mm | 78% | 1.9 m/s | 5.4 |
| 1989 | 16.6°C | 14.3°C | 12.1°C | 22.5°C | 10.8°C | 87 mm | 83% | 1.6 m/s | 5.1 |
| 1988 ❄️ | 14.0°C | 12.1°C | 10.2°C | 21.7°C | 7.6°C | 188 mm | 85% | 2.4 m/s | 4.1 |
| 1987 | 16.0°C | 13.6°C | 11.1°C | 20.5°C | 9.3°C | 69 mm | 83% | 2 m/s | 5.1 |
| 1986 | 14.7°C | 12.6°C | 10.6°C | 18.6°C | 7.9°C | 92 mm | 86% | 2.3 m/s | 4.4 |
| 1985 | 17.0°C | 14.2°C | 11.4°C | 23.8°C | 9.5°C | 34 mm | 80% | 2 m/s | 5.3 |
| 1984 | 14.6°C | 12.6°C | 10.6°C | 19.2°C | 7.8°C | 172 mm | 84% | 2.2 m/s | 4.1 |
| 1983 | 15.7°C | 13.5°C | 11.4°C | 20.1°C | 9.3°C | 133 mm | 82% | 2.5 m/s | — |
| 1982 | 15.7°C | 13.4°C | 11.1°C | 24.9°C | 9.1°C | 81 mm | 83% | 2.4 m/s | — |
| 1981 | 16.0°C | 13.8°C | 11.5°C | 20.6°C | 8.5°C | 46 mm | 84% | 2.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 15.8°C with lows near 11.6°C (mean 13.7°C), based on 45 years of NASA POWER data.
July averages 109 mm of rainfall in Prince Rupert, one of the drier months. The wettest on record was 241 mm in 2005.
The hottest July reached 25.9°C in 2009. The coldest dipped to 7.6°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.7°C. Daytime highs moved from 15.8°C to 16.1°C and overnight lows from 11.2°C to 12.3°C over the same span.
July is one of the warmer months of the year in Prince Rupert and one of the drier months, so plan for around 15.8°C daytime highs and 11.6°C at night.
Not quite — July is the 11th coolest month in Prince Rupert, averaging 13.7°C.
For July in Prince Rupert, pack light layers you can adjust through the day, with typical highs of 15.8°C and lows of 11.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 85% — quite humid.
Average wind speed in July is 2.4 m/s. The windiest July on record averaged 3 m/s (2008).
The wettest July on record was 2005 with 241 mm. On average, July sees 109 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 Prince Rupert 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.
