July is one of the warmer months of the year in Penticton, with average highs near 22.8°C and lows around 8.6°C (mean 15.7°C). It is one of the drier months, averaging 38 mm of rainfall and 64% relative humidity across the period.
July is one of the warmer months of the year in Penticton. Across 45 years of records, the warmest July in Penticton was 2021 — when the month averaged 19.7°C — while the coldest was 1993 at 11.6°C. Typical July days reach 22.8°C with nights near 8.6°C. The long-term trend is warming, about 0.7°C per decade.
July is one of the drier months in Penticton, averaging 38 mm of rainfall. The wettest July on record was 1993 with 125 mm, while the driest was 2003 at 3 mm.
Relative humidity in Penticton during July averages 64%. The most humid July was 1993 at 76%, and the least humid was 1985 at 52%.
July receives about 6.6 kWh/m²/day of solar energy in Penticton. The sunniest July was 2017 at 7.6 kWh/m²/day, and the cloudiest was 1993 at 5.1.
Average wind speed in Penticton during July is 0.2 m/s. The windiest Julys were 2014, 2018 and 2022, among others at 0.3 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.3°C | 15.0°C | 16.4°C | 15.9°C | 17.3°C | +3°C |
| Avg High | 21.2°C | 21.9°C | 24.1°C | 22.7°C | 24.5°C | +3.3°C |
| Avg Low | 7.4°C | 8.2°C | 8.7°C | 9.0°C | 10.1°C | +2.7°C |
| Avg Rain | 46 mm | 49 mm | 30 mm | 33 mm | 29 mm | -17 mm |
July temperatures in Penticton have risen by about 3.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -0.3°C (1981) to a record high of 35.1°C (1994).
Rainfall in July is one of the drier months, averaging 38 mm, with a wettest year of 125 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.8°C per decade while lows rose 0.6°C per decade, widening the gap between day and night.
One of the best times to visit Penticton
July is one of the best times to visit Penticton. Expect days averaging 22.8°C and nights around 8.6°C (mean 15.7°C) — warmer than Penticton's yearly average — with moderate rainfall (38 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 | 15.6°C | 9.5°C | 30.1°C | 4.7°C | 46 mm | 71% | 0.2 m/s | 6.4 |
| 2024 | 26.1°C | 18.5°C | 10.8°C | 33.1°C | 5.9°C | 20 mm | 62% | 0.2 m/s | 7.1 |
| 2023 | 24.8°C | 17.5°C | 10.1°C | 30.6°C | 5.4°C | 29 mm | 60% | 0.2 m/s | 6.8 |
| 2022 | 24.8°C | 17.6°C | 10.5°C | 32.2°C | 6.2°C | 29 mm | 65% | 0.3 m/s | 6.9 |
| 2021 🔥 | 27.9°C | 19.7°C | 11.6°C | 33.6°C | 5.6°C | 13 mm | 58% | 0.2 m/s | 7.3 |
| 2020 | 21.5°C | 14.8°C | 8.0°C | 30.4°C | 3.7°C | 37 mm | 69% | 0.2 m/s | 6.6 |
| 2019 | 21.2°C | 14.8°C | 8.5°C | 28.7°C | 5.5°C | 45 mm | 69% | 0.2 m/s | 5.8 |
| 2018 | 23.3°C | 16.7°C | 10.0°C | 29.5°C | 5.1°C | 19 mm | 63% | 0.3 m/s | 7 |
| 2017 | 24.2°C | 16.7°C | 9.1°C | 30.1°C | 5.1°C | 4 mm | 62% | 0.2 m/s | 7.6 |
| 2016 | 19.9°C | 14.1°C | 8.2°C | 28.7°C | 3.9°C | 69 mm | 73% | 0.2 m/s | 5.7 |
| 2015 | 23.9°C | 17.1°C | 10.3°C | 31.2°C | 5.5°C | 32 mm | 60% | 0.2 m/s | 6.6 |
| 2014 | 24.9°C | 17.5°C | 10.1°C | 31.4°C | 4.8°C | 26 mm | 61% | 0.3 m/s | 6.8 |
| 2013 | 23.9°C | 16.3°C | 8.7°C | 30.9°C | 3.4°C | 22 mm | 62% | 0.3 m/s | 7.5 |
| 2012 | 23.3°C | 16.5°C | 9.8°C | 30.1°C | 2.4°C | 52 mm | 66% | 0.2 m/s | 6.4 |
| 2011 | 20.0°C | 13.2°C | 6.4°C | 25.7°C | 2.1°C | 41 mm | 69% | 0.3 m/s | 6.1 |
| 2010 | 22.8°C | 15.7°C | 8.5°C | 28.9°C | 3.9°C | 18 mm | 60% | 0.3 m/s | 6.6 |
| 2009 | 25.2°C | 17.6°C | 9.9°C | 31.4°C | 3.1°C | 38 mm | 56% | 0.3 m/s | 6.7 |
| 2008 | 23.5°C | 15.8°C | 8.2°C | 28.8°C | 1.9°C | 19 mm | 59% | 0.2 m/s | 6.6 |
| 2007 | 25.2°C | 17.6°C | 10.0°C | 33.9°C | 5.3°C | 38 mm | 62% | 0.3 m/s | 6.9 |
| 2006 | 24.6°C | 17.3°C | 10.0°C | 32.5°C | 3.7°C | 31 mm | 62% | 0.2 m/s | 7 |
| 2005 | 22.2°C | 14.9°C | 7.5°C | 28.9°C | 4.1°C | 30 mm | 63% | 0.3 m/s | 6.6 |
| 2004 | 24.7°C | 17.2°C | 9.7°C | 31.2°C | 4.4°C | 23 mm | 60% | 0.3 m/s | 6.6 |
| 2003 | 26.1°C | 17.5°C | 8.8°C | 33.4°C | 2.9°C | 3 mm | 53% | 0.3 m/s | 7.5 |
| 2002 | 24.3°C | 16.4°C | 8.5°C | 32.2°C | 0.7°C | 28 mm | 58% | 0.2 m/s | 6.8 |
| 2001 | 22.5°C | 14.9°C | 7.3°C | 30.6°C | 3.9°C | 48 mm | 63% | 0.2 m/s | 6.3 |
| 2000 | 22.8°C | 15.1°C | 7.5°C | 30.9°C | 1.7°C | 40 mm | 64% | 0.2 m/s | 6.3 |
| 1999 | 20.2°C | 13.5°C | 6.8°C | 28.0°C | 1.7°C | 40 mm | 65% | 0.3 m/s | 6.4 |
| 1998 | 25.0°C | 18.0°C | 11.0°C | 33.4°C | 6.3°C | 45 mm | 65% | 0.2 m/s | 6.6 |
| 1997 | 20.9°C | 14.2°C | 7.6°C | 26.6°C | 4.7°C | 69 mm | 70% | 0.2 m/s | 6.6 |
| 1996 | 23.0°C | 15.8°C | 8.7°C | 30.4°C | 1.9°C | 18 mm | 62% | 0.3 m/s | 7 |
| 1995 | 21.6°C | 14.8°C | 8.0°C | 28.2°C | 3.9°C | 30 mm | 65% | 0.2 m/s | 6.1 |
| 1994 | 25.5°C | 17.3°C | 9.2°C | 35.1°C | 2.7°C | 14 mm | 57% | 0.2 m/s | 6.8 |
| 1993 ❄️ 🌧️ | 17.1°C | 11.6°C | 6.2°C | 23.5°C | 3.7°C | 125 mm | 76% | 0.2 m/s | 5.1 |
| 1992 | 21.1°C | 14.9°C | 8.7°C | 29.9°C | 5.3°C | 71 mm | 68% | 0.3 m/s | 5.8 |
| 1991 | 21.5°C | 14.3°C | 7.1°C | 27.8°C | 2.5°C | 34 mm | 68% | 0.2 m/s | 6.7 |
| 1990 | 22.6°C | 15.9°C | 9.1°C | 29.8°C | 4.2°C | 42 mm | 67% | 0.3 m/s | 6.5 |
| 1989 | 22.8°C | 15.2°C | 7.5°C | 31.5°C | 2.1°C | 31 mm | 61% | 0.3 m/s | 6.9 |
| 1988 | 22.5°C | 14.6°C | 6.7°C | 30.6°C | 1.5°C | 30 mm | 61% | 0.3 m/s | 6.5 |
| 1987 | 21.6°C | 14.8°C | 8.0°C | 28.8°C | 2.6°C | 60 mm | 64% | 0.2 m/s | 5.9 |
| 1986 | 18.1°C | 11.9°C | 5.8°C | 26.4°C | 0.2°C | 51 mm | 70% | 0.2 m/s | 5.6 |
| 1985 | 26.5°C | 18.2°C | 9.8°C | 32.6°C | 4.3°C | 3 mm | 52% | 0.3 m/s | 7.5 |
| 1984 | 22.2°C | 14.7°C | 7.1°C | 29.7°C | 1.1°C | 15 mm | 66% | 0.3 m/s | 6.8 |
| 1983 | 17.8°C | 12.1°C | 6.5°C | 24.9°C | 3.0°C | 87 mm | 74% | 0.2 m/s | — |
| 1982 | 19.6°C | 13.7°C | 7.8°C | 29.5°C | 2.3°C | 84 mm | 72% | 0.2 m/s | — |
| 1981 | 19.7°C | 13.4°C | 7.1°C | 26.0°C | -0.3°C | 50 mm | 71% | 0.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 22.8°C with lows near 8.6°C (mean 15.7°C), based on 45 years of NASA POWER data.
July averages 38 mm of rainfall in Penticton, one of the drier months. The wettest on record was 125 mm in 1993.
The hottest July reached 35.1°C in 1994. The coldest dipped to -0.3°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 3.4°C. Daytime highs moved from 21.2°C to 25.1°C and overnight lows from 7.7°C to 10.5°C over the same span.
July is one of the warmer months of the year in Penticton and one of the drier months, so plan for around 22.8°C daytime highs and 8.6°C at night.
Not quite — July is the 11th coolest month in Penticton, averaging 15.7°C.
For July in Penticton, pack light layers you can adjust through the day, with typical highs of 22.8°C and lows of 8.6°C.
Relative humidity in July averages 64% — moderately humid.
Average wind speed in July is 0.2 m/s. The windiest July on record averaged 0.3 m/s (1981).
The wettest July on record was 1993 with 125 mm. On average, July sees 38 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 Penticton 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.
