April is one of the cooler months of the year in Whitehorse, with average highs near -0.8°C and lows around -9.8°C (mean -5.3°C). It is one of the drier months, averaging 29 mm of rainfall and 92% relative humidity across the period.
April is one of the cooler months of the year in Whitehorse. Across 45 years of records, the warmest April in Whitehorse was 2016 — when the month averaged -1.6°C — while the coldest was 2013 at -9.8°C. Typical April days reach -0.8°C with nights near -9.8°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Whitehorse, averaging 29 mm of rainfall. The wettest April on record was 2013 with 65 mm, while the driest was 1989 at 9 mm.
Relative humidity in Whitehorse during April averages 92%. The most humid April was 2023 at 96%, and the least humid was 2019 at 82%.
April receives about 4.3 kWh/m²/day of solar energy in Whitehorse. The sunniest April was 2002 at 4.9 kWh/m²/day, and the cloudiest was 1997 at 3.9.
Average wind speed in Whitehorse during April is 1.4 m/s. The windiest Aprils were 2013 and 2025 at 1.7 m/s, while the calmest were 2003, 2012 and 2024, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.2°C | -4.3°C | -5.9°C | -4.9°C | -5.5°C | +0.7°C |
| Avg High | -1.5°C | 0.0°C | -1.3°C | -0.5°C | -1.2°C | +0.3°C |
| Avg Low | -10.9°C | -8.7°C | -10.6°C | -9.2°C | -9.8°C | +1.1°C |
| Avg Rain | 28 mm | 28 mm | 28 mm | 30 mm | 33 mm | +5 mm |
April temperatures in Whitehorse have risen by about 1°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -27.6°C (2002) to a record high of 10.9°C (1989).
Rainfall in April is one of the drier months, averaging 29 mm, with a wettest year of 65 mm.
A good time to visit Whitehorse
April is a good time to visit Whitehorse, with days averaging -0.8°C and nights around -9.8°C (mean -5.3°C, cooler than Whitehorse's yearly average) and low rainfall. July and August 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 | 0.3°C | -3.6°C | -7.6°C | 3.6°C | -12.3°C | 29 mm | 93% | 1.7 m/s | 4.5 |
| 2024 | 0.3°C | -4.2°C | -8.6°C | 6.8°C | -15.2°C | 22 mm | 90% | 1.2 m/s | 4.7 |
| 2023 | -1.5°C | -5.7°C | -9.9°C | 0.7°C | -18.1°C | 54 mm | 96% | 1.5 m/s | 4.1 |
| 2022 | -3.0°C | -7.2°C | -11.3°C | 1.0°C | -24.3°C | 32 mm | 94% | 1.3 m/s | 4.7 |
| 2021 | -2.4°C | -7.2°C | -12.1°C | 3.5°C | -27.1°C | 34 mm | 92% | 1.5 m/s | 4.6 |
| 2020 | -1.0°C | -5.2°C | -9.4°C | 2.5°C | -22.3°C | 28 mm | 91% | 1.4 m/s | 4.2 |
| 2019 | 1.2°C | -3.2°C | -7.5°C | 7.4°C | -13.6°C | 34 mm | 82% | 1.6 m/s | 4.2 |
| 2018 | -2.0°C | -6.7°C | -11.4°C | 3.4°C | -23.6°C | 25 mm | 92% | 1.6 m/s | 4.3 |
| 2017 | 1.0°C | -3.3°C | -7.5°C | 5.5°C | -15.5°C | 17 mm | 87% | 1.3 m/s | 4.5 |
| 2016 🔥 | 2.1°C | -1.6°C | -5.2°C | 6.0°C | -9.3°C | 35 mm | 89% | 1.6 m/s | 4.1 |
| 2015 | -0.3°C | -4.5°C | -8.6°C | 3.1°C | -13.2°C | 30 mm | 93% | 1.6 m/s | 4.3 |
| 2014 | -0.7°C | -5.1°C | -9.5°C | 4.4°C | -20.3°C | 32 mm | 92% | 1.3 m/s | 4.3 |
| 2013 ❄️ 🌧️ | -4.5°C | -9.8°C | -15.0°C | 0.2°C | -27.2°C | 65 mm | 94% | 1.7 m/s | 4.1 |
| 2012 | 0.6°C | -3.2°C | -7.1°C | 3.3°C | -15.7°C | 29 mm | 90% | 1.2 m/s | 4.2 |
| 2011 | -1.6°C | -6.2°C | -10.9°C | 2.5°C | -14.4°C | 16 mm | 92% | 1.6 m/s | 4.3 |
| 2010 | -0.5°C | -5.0°C | -9.6°C | 5.0°C | -16.3°C | 16 mm | 92% | 1.5 m/s | 4.4 |
| 2009 | -1.3°C | -5.6°C | -9.9°C | 4.3°C | -21.4°C | 19 mm | 91% | 1.3 m/s | 4.3 |
| 2008 | -1.6°C | -6.1°C | -10.7°C | 1.4°C | -19.9°C | 34 mm | 94% | 1.5 m/s | 4.1 |
| 2007 | -1.4°C | -6.0°C | -10.6°C | 1.4°C | -24.3°C | 20 mm | 93% | 1.4 m/s | 4.4 |
| 2006 | -1.5°C | -6.0°C | -10.4°C | 1.2°C | -17.1°C | 40 mm | 92% | 1.6 m/s | 4.2 |
| 2005 | -0.2°C | -4.4°C | -8.6°C | 4.6°C | -15.1°C | 46 mm | 93% | 1.3 m/s | 4.2 |
| 2004 | 0.1°C | -4.4°C | -8.9°C | 8.7°C | -16.7°C | 28 mm | 92% | 1.5 m/s | 4.4 |
| 2003 | -0.2°C | -5.1°C | -10.1°C | 9.7°C | -24.6°C | 12 mm | 91% | 1.2 m/s | 4.8 |
| 2002 | -4.0°C | -9.6°C | -15.2°C | 7.5°C | -27.6°C | 16 mm | 90% | 1.5 m/s | 4.9 |
| 2001 | -1.2°C | -5.7°C | -10.3°C | 1.1°C | -21.1°C | 23 mm | 92% | 1.4 m/s | 4.1 |
| 2000 | -1.4°C | -6.2°C | -11.0°C | 2.4°C | -20.4°C | 36 mm | 92% | 1.4 m/s | 4.1 |
| 1999 | -1.5°C | -5.8°C | -10.1°C | 3.1°C | -16.7°C | 40 mm | 92% | 1.6 m/s | 4 |
| 1998 | 0.4°C | -4.1°C | -8.5°C | 5.4°C | -14.6°C | 28 mm | 91% | 1.6 m/s | 4.2 |
| 1997 | 0.0°C | -4.6°C | -9.3°C | 4.9°C | -20.1°C | 28 mm | 91% | 1.4 m/s | 3.9 |
| 1996 | -1.3°C | -5.9°C | -10.5°C | 3.4°C | -26.9°C | 18 mm | 91% | 1.4 m/s | 4.3 |
| 1995 | 1.8°C | -2.8°C | -7.4°C | 9.7°C | -12.5°C | 15 mm | 89% | 1.3 m/s | 4.1 |
| 1994 | 1.0°C | -3.4°C | -7.8°C | 6.2°C | -17.7°C | 27 mm | 92% | 1.4 m/s | 4.2 |
| 1993 | 1.4°C | -2.7°C | -6.8°C | 5.2°C | -13.3°C | 14 mm | 91% | 1.2 m/s | 4.5 |
| 1992 | -1.9°C | -5.8°C | -9.7°C | 2.4°C | -21.5°C | 55 mm | 92% | 1.4 m/s | 4 |
| 1991 | 0.0°C | -4.1°C | -8.3°C | 4.3°C | -14.3°C | 34 mm | 92% | 1.3 m/s | 4 |
| 1990 | 0.4°C | -4.0°C | -8.5°C | 7.3°C | -16.1°C | 17 mm | 90% | 1.2 m/s | 4.1 |
| 1989 | 1.7°C | -3.1°C | -7.9°C | 10.9°C | -17.3°C | 9 mm | 89% | 1.2 m/s | 4.3 |
| 1988 | -0.6°C | -5.0°C | -9.4°C | 4.7°C | -16.0°C | 25 mm | 93% | 1.5 m/s | 4.2 |
| 1987 | -1.2°C | -5.7°C | -10.1°C | 0.6°C | -15.7°C | 41 mm | 95% | 1.5 m/s | 4 |
| 1986 | -4.1°C | -9.3°C | -14.5°C | 0.3°C | -27.0°C | 38 mm | 95% | 1.5 m/s | 4.5 |
| 1985 | -2.8°C | -7.5°C | -12.2°C | 0.2°C | -18.1°C | 34 mm | 94% | 1.6 m/s | 4.3 |
| 1984 | 0.2°C | -4.6°C | -9.4°C | 5.1°C | -13.7°C | 22 mm | 90% | 1.4 m/s | 4.4 |
| 1983 | 0.3°C | -4.2°C | -8.7°C | 8.3°C | -17.8°C | 22 mm | 88% | 1.4 m/s | — |
| 1982 | -3.2°C | -8.1°C | -12.9°C | 0.5°C | -25.5°C | 28 mm | 93% | 1.6 m/s | — |
| 1981 | -4.0°C | -8.4°C | -12.7°C | 2.2°C | -25.1°C | 34 mm | 94% | 1.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around -0.8°C with lows near -9.8°C (mean -5.3°C), based on 45 years of NASA POWER data.
April averages 29 mm of rainfall in Whitehorse, one of the drier months. The wettest on record was 65 mm in 2013.
The hottest April reached 10.9°C in 1989. The coldest dipped to -27.6°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1°C. Daytime highs moved from -1.9°C to -1.3°C and overnight lows from -11.2°C to -9.9°C over the same span.
April is one of the cooler months of the year in Whitehorse and one of the drier months, so plan for around -0.8°C daytime highs and -9.8°C at night.
Not quite — April is the 6th coolest month in Whitehorse, averaging -5.3°C.
For April in Whitehorse, pack warm layers and a jacket for chilly mornings, with typical highs of -0.8°C and lows of -9.8°C.
Relative humidity in April averages 92% — quite humid.
Average wind speed in April is 1.4 m/s. The windiest April on record averaged 1.7 m/s (2013).
The wettest April on record was 2013 with 65 mm. On average, April sees 29 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 Whitehorse 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.
