April is one of the cooler months of the year in Trail, with average highs near 7.8°C and lows around -2.2°C (mean 2.8°C). It is about average for rainfall, averaging 61 mm of rainfall and 79% relative humidity across the period.
April is one of the cooler months of the year in Trail. Across 45 years of records, the warmest April in Trail was 2016 — when the month averaged 7.7°C — while the coldest was 1982 at -2.3°C. Typical April days reach 7.8°C with nights near -2.2°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in Trail, averaging 61 mm of rainfall. The wettest April on record was 2018 with 110 mm, while the driest were 2007 and 2020 at 33 mm.
Relative humidity in Trail during April averages 79%. The most humid April was 2011 at 92%, and the least humid was 2004 at 67%.
April receives about 4.3 kWh/m²/day of solar energy in Trail. The sunniest Aprils were 2004, 2021 and 2025 at 5 kWh/m²/day, and the cloudiest were 2003 and 2017 at 3.6.
Average wind speed in Trail during April is 0.3 m/s. The windiest Aprils were 2016, 2020 and 2021, among others at 0.4 m/s, while the calmest were 1981 and 2010 at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.9°C | 3.0°C | 2.9°C | 2.6°C | 2.6°C | -0.3°C |
| Avg High | 8.1°C | 7.9°C | 7.9°C | 7.4°C | 7.9°C | -0.2°C |
| Avg Low | -2.3°C | -1.8°C | -2.1°C | -2.1°C | -2.7°C | -0.4°C |
| Avg Rain | 59 mm | 62 mm | 55 mm | 72 mm | 54 mm | -6 mm |
April temperatures in Trail have risen by about 1.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -15.5°C (1997) to a record high of 24°C (2023).
Rainfall in April is about average for rainfall, averaging 61 mm, with a wettest year of 110 mm.
A good time to visit Trail
April is a good time to visit Trail, with days averaging 7.8°C and nights around -2.2°C (mean 2.8°C, cooler than Trail's yearly average) and moderate rainfall. August and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 8.0°C | 2.5°C | -2.9°C | 18.5°C | -8.7°C | 53 mm | 83% | 0.3 m/s | 5 |
| 2024 | 9.8°C | 4.1°C | -1.5°C | 18.4°C | -5.4°C | 54 mm | 77% | 0.3 m/s | 4.2 |
| 2023 | 6.2°C | 1.7°C | -2.9°C | 24.0°C | -11.4°C | 103 mm | 84% | 0.3 m/s | 3.9 |
| 2022 | 6.1°C | 1.4°C | -3.2°C | 13.2°C | -11.0°C | 44 mm | 73% | 0.3 m/s | 4.4 |
| 2021 | 11.3°C | 5.0°C | -1.2°C | 19.1°C | -5.5°C | 35 mm | 69% | 0.4 m/s | 5 |
| 2020 | 6.1°C | 1.0°C | -4.2°C | 14.7°C | -14.8°C | 33 mm | 83% | 0.4 m/s | 4.8 |
| 2019 | 9.1°C | 3.9°C | -1.2°C | 14.6°C | -5.2°C | 63 mm | 75% | 0.3 m/s | 4.2 |
| 2018 🌧️ | 3.9°C | 0.1°C | -3.7°C | 19.7°C | -11.8°C | 110 mm | 89% | 0.3 m/s | 3.9 |
| 2017 | 5.1°C | 1.2°C | -2.8°C | 11.7°C | -9.0°C | 92 mm | 89% | 0.3 m/s | 3.6 |
| 2016 🔥 | 14.0°C | 7.7°C | 1.5°C | 21.5°C | -3.2°C | 44 mm | 74% | 0.4 m/s | 4.6 |
| 2015 | 9.9°C | 4.2°C | -1.4°C | 19.1°C | -5.3°C | 35 mm | 70% | 0.4 m/s | 4.9 |
| 2014 | 7.0°C | 2.4°C | -2.1°C | 18.5°C | -9.3°C | 81 mm | 81% | 0.4 m/s | 4.4 |
| 2013 | 6.8°C | 2.3°C | -2.2°C | 17.3°C | -7.2°C | 72 mm | 79% | 0.3 m/s | 4.2 |
| 2012 | 7.5°C | 2.5°C | -2.4°C | 22.1°C | -10.6°C | 77 mm | 86% | 0.3 m/s | 3.9 |
| 2011 | 1.8°C | -1.6°C | -5.0°C | 6.1°C | -9.5°C | 82 mm | 92% | 0.3 m/s | 4 |
| 2010 | 8.9°C | 3.4°C | -2.0°C | 20.9°C | -9.8°C | 67 mm | 76% | 0.2 m/s | 4 |
| 2009 | 6.1°C | 1.3°C | -3.5°C | 18.4°C | -9.3°C | 42 mm | 75% | 0.4 m/s | 4.6 |
| 2008 | 3.2°C | -1.0°C | -5.2°C | 15.4°C | -13.6°C | 40 mm | 85% | 0.3 m/s | 4.3 |
| 2007 | 9.0°C | 3.7°C | -1.6°C | 15.6°C | -6.9°C | 33 mm | 75% | 0.3 m/s | 4 |
| 2006 | 7.2°C | 3.0°C | -1.2°C | 18.7°C | -6.7°C | 80 mm | 82% | 0.3 m/s | 4.2 |
| 2005 | 10.6°C | 4.8°C | -1.1°C | 22.7°C | -4.4°C | 49 mm | 71% | 0.3 m/s | 4.4 |
| 2004 | 13.0°C | 6.7°C | 0.4°C | 19.4°C | -3.5°C | 35 mm | 67% | 0.4 m/s | 5 |
| 2003 | 9.0°C | 3.8°C | -1.4°C | 18.3°C | -7.0°C | 75 mm | 80% | 0.3 m/s | 3.6 |
| 2002 | 6.0°C | 1.4°C | -3.1°C | 16.3°C | -11.8°C | 51 mm | 82% | 0.3 m/s | 4.3 |
| 2001 | 8.0°C | 3.1°C | -1.8°C | 19.3°C | -4.8°C | 73 mm | 74% | 0.3 m/s | 3.9 |
| 2000 | 7.3°C | 2.6°C | -2.1°C | 17.2°C | -6.9°C | 66 mm | 81% | 0.4 m/s | 4.3 |
| 1999 | 4.6°C | 0.1°C | -4.3°C | 15.1°C | -11.0°C | 40 mm | 85% | 0.4 m/s | 4.5 |
| 1998 | 10.2°C | 5.0°C | -0.1°C | 22.5°C | -4.6°C | 38 mm | 71% | 0.4 m/s | 4.8 |
| 1997 | 2.2°C | -1.9°C | -6.1°C | 8.1°C | -15.5°C | 63 mm | 92% | 0.3 m/s | 4.5 |
| 1996 | 8.1°C | 3.2°C | -1.7°C | 16.6°C | -8.7°C | 106 mm | 82% | 0.3 m/s | 4 |
| 1995 | 7.3°C | 2.5°C | -2.3°C | 15.1°C | -4.9°C | 34 mm | 74% | 0.3 m/s | 4.7 |
| 1994 | 10.6°C | 5.2°C | -0.1°C | 19.0°C | -4.8°C | 62 mm | 77% | 0.4 m/s | 3.8 |
| 1993 | 7.8°C | 3.5°C | -0.8°C | 13.3°C | -5.1°C | 90 mm | 84% | 0.3 m/s | 3.9 |
| 1992 | 10.9°C | 5.5°C | 0.0°C | 18.3°C | -3.7°C | 62 mm | 73% | 0.4 m/s | 4 |
| 1991 | 7.1°C | 2.4°C | -2.4°C | 18.6°C | -8.7°C | 71 mm | 80% | 0.3 m/s | 4.4 |
| 1990 | 10.1°C | 4.7°C | -0.7°C | 15.8°C | -7.7°C | 52 mm | 78% | 0.4 m/s | 4.1 |
| 1989 | 9.3°C | 3.8°C | -1.8°C | 17.8°C | -8.9°C | 55 mm | 78% | 0.4 m/s | 4.3 |
| 1988 | 10.5°C | 4.8°C | -0.9°C | 21.6°C | -8.2°C | 61 mm | 77% | 0.3 m/s | 4 |
| 1987 | 11.7°C | 5.8°C | -0.1°C | 22.5°C | -5.9°C | 43 mm | 75% | 0.3 m/s | 4.4 |
| 1986 | 8.5°C | 3.2°C | -2.1°C | 17.5°C | -8.2°C | 60 mm | 75% | 0.3 m/s | 4.2 |
| 1985 | 7.7°C | 2.8°C | -2.1°C | 17.1°C | -8.7°C | 42 mm | 80% | 0.3 m/s | 4.1 |
| 1984 | 7.3°C | 2.6°C | -2.1°C | 18.6°C | -5.0°C | 67 mm | 81% | 0.3 m/s | 4.2 |
| 1983 | 7.0°C | 2.3°C | -2.4°C | 15.9°C | -9.6°C | 64 mm | 82% | 0.3 m/s | — |
| 1982 ❄️ | 2.3°C | -2.3°C | -6.9°C | 11.4°C | -14.6°C | 70 mm | 89% | 0.4 m/s | — |
| 1981 | 8.3°C | 3.1°C | -2.1°C | 17.0°C | -7.2°C | 73 mm | 79% | 0.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 7.8°C with lows near -2.2°C (mean 2.8°C), based on 45 years of NASA POWER data.
April averages 61 mm of rainfall in Trail, about average for rainfall. The wettest on record was 110 mm in 2018.
The hottest April reached 24°C in 2023. The coldest dipped to -15.5°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.2°C. Daytime highs moved from 6.5°C to 8.3°C and overnight lows from -3.1°C to -2.3°C over the same span.
April is one of the cooler months of the year in Trail and about average for rainfall, so plan for around 7.8°C daytime highs and -2.2°C at night.
Not quite — April is the 6th coolest month in Trail, averaging 2.8°C.
For April in Trail, pack warm layers and a jacket for chilly mornings, with typical highs of 7.8°C and lows of -2.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 79% — quite humid.
Average wind speed in April is 0.3 m/s. The windiest April on record averaged 0.4 m/s (1982).
The wettest April on record was 2018 with 110 mm. On average, April sees 61 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
