July is one of the warmer months of the year in Trail, with average highs near 24°C and lows around 10.7°C (mean 17.4°C). It is one of the drier months, averaging 37 mm of rainfall and 61% relative humidity across the period.
July is one of the warmer months of the year in Trail. Across 45 years of records, the warmest July in Trail was 2021 — when the month averaged 22.2°C — while the coldest was 1993 at 12.4°C. Typical July days reach 24°C with nights near 10.7°C. The long-term trend is warming, about 0.7°C per decade.
July is one of the drier months in Trail, averaging 37 mm of rainfall. The wettest July on record was 1993 with 120 mm, while the driest was 2003 at 1 mm.
Relative humidity in Trail during July averages 61%. The most humid July was 1993 at 75%, and the least humid was 1985 at 45%.
July receives about 6.5 kWh/m²/day of solar energy in Trail. The sunniest Julys were 1985 and 2017 at 7.5 kWh/m²/day, and the cloudiest was 1993 at 4.9.
Average wind speed in Trail during July is 0.3 m/s. The windiest Julys were 2022, 2023 and 2024, among others at 0.3 m/s, while the calmest were 1993, 1995 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 | 16.1°C | 16.5°C | 18.3°C | 17.4°C | 19.1°C | +3°C |
| Avg High | 22.7°C | 22.7°C | 25.4°C | 24.0°C | 26.1°C | +3.4°C |
| Avg Low | 9.5°C | 10.3°C | 11.3°C | 10.8°C | 12.2°C | +2.7°C |
| Avg Rain | 45 mm | 53 mm | 23 mm | 29 mm | 33 mm | -13 mm |
July temperatures in Trail have risen by about 3.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 0.9°C (1988) to a record high of 38.3°C (2021).
Rainfall in July is one of the drier months, averaging 37 mm, with a wettest year of 120 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 Trail
July is one of the best times to visit Trail. Expect days averaging 24°C and nights around 10.7°C (mean 17.4°C) — warmer than Trail's yearly average — with moderate rainfall (37 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 | 24.9°C | 18.1°C | 11.4°C | 31.6°C | 6.4°C | 45 mm | 66% | 0.2 m/s | 6.1 |
| 2024 | 27.3°C | 20.3°C | 13.3°C | 34.0°C | 6.7°C | 17 mm | 59% | 0.3 m/s | 6.8 |
| 2023 | 26.1°C | 18.8°C | 11.6°C | 32.2°C | 6.8°C | 54 mm | 57% | 0.3 m/s | 6.8 |
| 2022 | 25.7°C | 19.3°C | 12.8°C | 35.2°C | 6.1°C | 34 mm | 64% | 0.3 m/s | 6.7 |
| 2021 🔥 | 30.1°C | 22.2°C | 14.3°C | 38.3°C | 7.5°C | 6 mm | 49% | 0.3 m/s | 7.2 |
| 2020 | 22.4°C | 16.0°C | 9.6°C | 33.6°C | 3.1°C | 39 mm | 67% | 0.3 m/s | 6.4 |
| 2019 | 22.4°C | 16.5°C | 10.5°C | 30.6°C | 4.6°C | 59 mm | 65% | 0.3 m/s | 5.6 |
| 2018 | 24.6°C | 17.6°C | 10.6°C | 31.8°C | 4.0°C | 14 mm | 62% | 0.3 m/s | 7 |
| 2017 | 26.1°C | 19.2°C | 12.3°C | 32.0°C | 7.1°C | 6 mm | 57% | 0.3 m/s | 7.5 |
| 2016 | 21.6°C | 15.7°C | 9.8°C | 31.0°C | 5.8°C | 38 mm | 69% | 0.3 m/s | 5.7 |
| 2015 | 25.0°C | 18.4°C | 11.7°C | 32.0°C | 6.4°C | 20 mm | 57% | 0.3 m/s | 6.4 |
| 2014 | 25.8°C | 19.0°C | 12.1°C | 35.0°C | 5.0°C | 16 mm | 62% | 0.3 m/s | 6.8 |
| 2013 | 25.2°C | 18.1°C | 11.1°C | 34.5°C | 6.0°C | 16 mm | 60% | 0.3 m/s | 7.4 |
| 2012 | 24.3°C | 17.9°C | 11.6°C | 32.6°C | 4.9°C | 72 mm | 67% | 0.3 m/s | 6.3 |
| 2011 | 21.4°C | 15.0°C | 8.6°C | 27.0°C | 2.9°C | 25 mm | 65% | 0.3 m/s | 6.1 |
| 2010 | 23.6°C | 16.8°C | 10.1°C | 31.2°C | 4.2°C | 24 mm | 58% | 0.3 m/s | 6.2 |
| 2009 | 25.4°C | 18.1°C | 10.9°C | 31.5°C | 4.4°C | 51 mm | 56% | 0.3 m/s | 6.5 |
| 2008 | 24.6°C | 17.7°C | 10.8°C | 29.5°C | 3.9°C | 10 mm | 54% | 0.3 m/s | 6.7 |
| 2007 | 27.9°C | 20.6°C | 13.2°C | 33.9°C | 6.7°C | 9 mm | 52% | 0.3 m/s | 7.2 |
| 2006 | 25.7°C | 19.2°C | 12.7°C | 33.5°C | 5.9°C | 20 mm | 59% | 0.3 m/s | 7 |
| 2005 | 23.7°C | 16.8°C | 10.0°C | 30.9°C | 6.4°C | 33 mm | 58% | 0.3 m/s | 6.7 |
| 2004 | 25.7°C | 18.6°C | 11.4°C | 32.9°C | 3.5°C | 21 mm | 55% | 0.3 m/s | 6.4 |
| 2003 | 27.1°C | 19.5°C | 11.9°C | 34.4°C | 4.1°C | 1 mm | 48% | 0.3 m/s | 7.4 |
| 2002 | 25.2°C | 18.2°C | 11.1°C | 36.4°C | 3.7°C | 40 mm | 57% | 0.3 m/s | 6.8 |
| 2001 | 24.9°C | 17.9°C | 11.0°C | 33.2°C | 6.0°C | 24 mm | 49% | 0.3 m/s | 6.4 |
| 2000 | 23.3°C | 16.6°C | 9.9°C | 32.8°C | 2.7°C | 26 mm | 60% | 0.3 m/s | 6.5 |
| 1999 | 20.6°C | 14.5°C | 8.4°C | 28.9°C | 3.0°C | 37 mm | 66% | 0.3 m/s | 6.4 |
| 1998 | 25.5°C | 19.7°C | 13.8°C | 33.5°C | 8.7°C | 70 mm | 66% | 0.3 m/s | 6.3 |
| 1997 | 21.0°C | 15.3°C | 9.7°C | 27.4°C | 5.4°C | 72 mm | 70% | 0.3 m/s | 6.4 |
| 1996 | 23.6°C | 16.9°C | 10.3°C | 30.1°C | 3.9°C | 34 mm | 64% | 0.3 m/s | 6.8 |
| 1995 | 22.9°C | 16.7°C | 10.4°C | 28.9°C | 5.4°C | 32 mm | 61% | 0.2 m/s | 5.8 |
| 1994 | 26.5°C | 19.3°C | 12.1°C | 35.2°C | 4.6°C | 16 mm | 51% | 0.3 m/s | 6.8 |
| 1993 ❄️ 🌧️ | 17.8°C | 12.4°C | 6.9°C | 25.7°C | 2.8°C | 120 mm | 75% | 0.2 m/s | 4.9 |
| 1992 | 22.1°C | 16.1°C | 10.1°C | 31.6°C | 5.9°C | 63 mm | 64% | 0.3 m/s | 5.8 |
| 1991 | 22.8°C | 16.4°C | 10.1°C | 27.9°C | 4.7°C | 44 mm | 65% | 0.3 m/s | 6.2 |
| 1990 | 23.8°C | 17.3°C | 10.7°C | 30.0°C | 3.7°C | 46 mm | 66% | 0.2 m/s | 6.3 |
| 1989 | 24.6°C | 17.1°C | 9.6°C | 32.5°C | 5.2°C | 23 mm | 56% | 0.3 m/s | 6.8 |
| 1988 | 24.2°C | 16.9°C | 9.7°C | 32.2°C | 0.9°C | 13 mm | 53% | 0.3 m/s | 6 |
| 1987 | 22.6°C | 16.5°C | 10.4°C | 30.5°C | 5.0°C | 64 mm | 62% | 0.2 m/s | 5.4 |
| 1986 | 19.8°C | 13.9°C | 8.1°C | 27.0°C | 4.1°C | 56 mm | 64% | 0.3 m/s | 5.4 |
| 1985 | 28.4°C | 20.4°C | 12.4°C | 34.3°C | 7.2°C | 4 mm | 45% | 0.3 m/s | 7.5 |
| 1984 | 23.7°C | 16.8°C | 10.0°C | 30.5°C | 4.2°C | 12 mm | 63% | 0.3 m/s | 6.5 |
| 1983 | 19.3°C | 13.6°C | 7.9°C | 28.5°C | 4.4°C | 101 mm | 75% | 0.3 m/s | — |
| 1982 | 20.7°C | 14.9°C | 9.1°C | 30.6°C | 2.7°C | 65 mm | 70% | 0.3 m/s | — |
| 1981 | 20.6°C | 14.6°C | 8.5°C | 28.7°C | 2.1°C | 70 mm | 69% | 0.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 24°C with lows near 10.7°C (mean 17.4°C), based on 45 years of NASA POWER data.
July averages 37 mm of rainfall in Trail, one of the drier months. The wettest on record was 120 mm in 1993.
The hottest July reached 38.3°C in 2021. The coldest dipped to 0.9°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 3.6°C. Daytime highs moved from 22.5°C to 26.8°C and overnight lows from 9.6°C to 12.7°C over the same span.
July is one of the warmer months of the year in Trail and one of the drier months, so plan for around 24°C daytime highs and 10.7°C at night.
Not quite — July is the 11th coolest month in Trail, averaging 17.4°C.
For July in Trail, pack light layers you can adjust through the day, with typical highs of 24°C and lows of 10.7°C.
Relative humidity in July averages 61% — moderately humid.
Average wind speed in July is 0.3 m/s. The windiest July on record averaged 0.3 m/s (1981).
The wettest July on record was 1993 with 120 mm. On average, July sees 37 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 Trail 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.
