May is one of the warmer months of the year in Whistler, with average highs near 6.8°C and lows around 0.4°C (mean 3.6°C). It is one of the drier months, averaging 95 mm of rainfall and 86% relative humidity across the period.
May is one of the warmer months of the year in Whistler. Across 45 years of records, the warmest Mays in Whistler were 2015 and 2019 — when the month averaged 8.4°C — while the coldest was 1999 at -1.5°C. Typical May days reach 6.8°C with nights near 0.4°C. The long-term trend is warming, about 0.4°C per decade.
May is one of the drier months in Whistler, averaging 95 mm of rainfall. The wettest May on record was 1988 with 162 mm, while the driest was 2018 at 28 mm.
Relative humidity in Whistler during May averages 86%. The most humid May was 2011 at 97%, and the least humid was 1992 at 73%.
May receives about 5.3 kWh/m²/day of solar energy in Whistler. The sunniest May was 2015 at 6.5 kWh/m²/day, and the cloudiest was 1990 at 4.2.
Average wind speed in Whistler during May is 0.4 m/s. The windiest Mays were 2013, 2017 and 2018, among others at 0.5 m/s, while the calmest were 1996, 2011 and 2022, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.7°C | 4.3°C | 2.7°C | 4.1°C | 4.4°C | +1.7°C |
| Avg High | 5.9°C | 7.9°C | 5.5°C | 7.3°C | 7.9°C | +2°C |
| Avg Low | -0.5°C | 0.8°C | -0.2°C | 0.9°C | 1.1°C | +1.6°C |
| Avg Rain | 103 mm | 98 mm | 102 mm | 80 mm | 93 mm | -10 mm |
May temperatures in Whistler have risen by about 1.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -11.4°C (2017) to a record high of 28.7°C (1983).
Rainfall in May is one of the drier months, averaging 95 mm, with a wettest year of 162 mm.
A good time to visit Whistler
May is a good time to visit Whistler, with days averaging 6.8°C and nights around 0.4°C (mean 3.6°C, warmer than Whistler's yearly average) and higher rainfall. July and August are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 9.5°C | 5.5°C | 1.5°C | 18.5°C | -4.3°C | 93 mm | 81% | 0.4 m/s | 4.9 |
| 2024 | 9.0°C | 4.9°C | 0.8°C | 13.6°C | -4.9°C | 101 mm | 82% | 0.4 m/s | 5.3 |
| 2023 | 11.0°C | 7.4°C | 3.9°C | 21.3°C | -1.8°C | 52 mm | 84% | 0.4 m/s | 5.4 |
| 2022 | 2.8°C | 0.9°C | -1.1°C | 9.4°C | -7.4°C | 148 mm | 94% | 0.3 m/s | 4.7 |
| 2021 | 6.5°C | 3.1°C | -0.2°C | 16.1°C | -6.1°C | 69 mm | 85% | 0.4 m/s | 5.6 |
| 2020 | 8.3°C | 4.8°C | 1.4°C | 16.9°C | -7.4°C | 96 mm | 85% | 0.4 m/s | 5.4 |
| 2019 | 13.1°C | 8.4°C | 3.8°C | 21.0°C | -0.7°C | 57 mm | 78% | 0.4 m/s | 5.5 |
| 2018 | 9.7°C | 6.2°C | 2.6°C | 19.8°C | -5.1°C | 28 mm | 82% | 0.5 m/s | 5.5 |
| 2017 | 5.1°C | 2.4°C | -0.3°C | 21.5°C | -11.4°C | 94 mm | 89% | 0.5 m/s | 5.5 |
| 2016 | 11.0°C | 6.6°C | 2.2°C | 18.6°C | -2.8°C | 70 mm | 78% | 0.4 m/s | 5.6 |
| 2015 🔥 | 13.1°C | 8.4°C | 3.7°C | 19.7°C | -6.4°C | 49 mm | 78% | 0.4 m/s | 6.5 |
| 2014 | 8.0°C | 4.9°C | 1.8°C | 16.6°C | -4.2°C | 101 mm | 86% | 0.4 m/s | 4.8 |
| 2013 | 6.4°C | 3.5°C | 0.6°C | 11.1°C | -10.6°C | 119 mm | 85% | 0.5 m/s | 5.5 |
| 2012 | 2.8°C | 0.7°C | -1.5°C | 10.9°C | -8.0°C | 70 mm | 88% | 0.5 m/s | 5.7 |
| 2011 | 1.0°C | -0.5°C | -2.1°C | 4.6°C | -10.0°C | 114 mm | 97% | 0.3 m/s | 4.5 |
| 2010 | 2.4°C | 0.2°C | -2.0°C | 7.9°C | -8.7°C | 101 mm | 93% | 0.4 m/s | 5.5 |
| 2009 | 7.1°C | 3.6°C | 0.1°C | 18.0°C | -6.4°C | 92 mm | 83% | 0.4 m/s | 5.7 |
| 2008 | 4.3°C | 1.5°C | -1.3°C | 14.9°C | -8.2°C | 83 mm | 91% | 0.4 m/s | 4.7 |
| 2007 | 2.5°C | 0.6°C | -1.3°C | 14.1°C | -7.4°C | 78 mm | 91% | 0.5 m/s | 6 |
| 2006 | 6.5°C | 3.5°C | 0.4°C | 18.3°C | -8.1°C | 96 mm | 85% | 0.4 m/s | 5.6 |
| 2005 | 11.1°C | 7.0°C | 2.9°C | 23.6°C | -0.6°C | 134 mm | 80% | 0.4 m/s | 5.1 |
| 2004 | 10.5°C | 6.4°C | 2.3°C | 18.6°C | -3.3°C | 103 mm | 79% | 0.4 m/s | 5.4 |
| 2003 | 4.1°C | 1.7°C | -0.8°C | 12.4°C | -8.0°C | 81 mm | 90% | 0.4 m/s | 4.6 |
| 2002 | 2.7°C | 0.2°C | -2.3°C | 9.1°C | -11.1°C | 95 mm | 94% | 0.4 m/s | 5.1 |
| 2001 | 4.1°C | 1.6°C | -1.0°C | 15.3°C | -8.8°C | 99 mm | 89% | 0.4 m/s | 5.5 |
| 2000 | 2.5°C | 0.5°C | -1.5°C | 7.5°C | -10.4°C | 156 mm | 93% | 0.4 m/s | 5.1 |
| 1999 ❄️ | 0.7°C | -1.5°C | -3.7°C | 6.8°C | -10.6°C | 109 mm | 95% | 0.4 m/s | 5.6 |
| 1998 | 10.2°C | 6.2°C | 2.1°C | 17.3°C | -1.1°C | 85 mm | 82% | 0.4 m/s | 5.8 |
| 1997 | 4.9°C | 2.6°C | 0.3°C | 10.0°C | -9.3°C | 158 mm | 88% | 0.5 m/s | 5.4 |
| 1996 | 4.3°C | 1.5°C | -1.3°C | 9.5°C | -8.5°C | 158 mm | 90% | 0.3 m/s | 5.7 |
| 1995 | 8.9°C | 5.2°C | 1.5°C | 18.5°C | -6.0°C | 43 mm | 77% | 0.5 m/s | 5.9 |
| 1994 | 10.3°C | 5.8°C | 1.4°C | 17.3°C | -5.1°C | 74 mm | 79% | 0.4 m/s | 5 |
| 1993 | 11.8°C | 7.5°C | 3.2°C | 21.4°C | -4.8°C | 132 mm | 83% | 0.4 m/s | 5.2 |
| 1992 | 12.1°C | 7.3°C | 2.6°C | 21.0°C | -3.1°C | 33 mm | 73% | 0.4 m/s | 5.5 |
| 1991 | 6.6°C | 3.5°C | 0.4°C | 13.2°C | -4.2°C | 86 mm | 86% | 0.4 m/s | 4.5 |
| 1990 | 8.9°C | 5.0°C | 1.1°C | 14.4°C | -4.1°C | 102 mm | 83% | 0.4 m/s | 4.2 |
| 1989 | 8.2°C | 4.3°C | 0.4°C | 19.3°C | -2.6°C | 108 mm | 82% | 0.4 m/s | 4.5 |
| 1988 🌧️ | 5.8°C | 2.4°C | -0.9°C | 17.5°C | -6.5°C | 162 mm | 87% | 0.4 m/s | 4.5 |
| 1987 | 7.2°C | 3.8°C | 0.5°C | 16.6°C | -3.6°C | 122 mm | 80% | 0.4 m/s | 5.4 |
| 1986 | 4.0°C | 1.3°C | -1.4°C | 18.3°C | -10.6°C | 137 mm | 91% | 0.4 m/s | 5 |
| 1985 | 5.8°C | 2.5°C | -0.8°C | 18.2°C | -8.6°C | 61 mm | 88% | 0.5 m/s | 5.2 |
| 1984 | 2.2°C | 0.2°C | -1.8°C | 12.3°C | -6.1°C | 154 mm | 94% | 0.3 m/s | 4.8 |
| 1983 | 10.0°C | 5.9°C | 1.8°C | 28.7°C | -4.9°C | 43 mm | 80% | 0.4 m/s | — |
| 1982 | 2.2°C | -0.1°C | -2.4°C | 13.4°C | -10.9°C | 35 mm | 91% | 0.5 m/s | — |
| 1981 | 7.8°C | 4.2°C | 0.5°C | 17.5°C | -4.0°C | 107 mm | 85% | 0.3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 6.8°C with lows near 0.4°C (mean 3.6°C), based on 45 years of NASA POWER data.
May averages 95 mm of rainfall in Whistler, one of the drier months. The wettest on record was 162 mm in 1988.
The hottest May reached 28.7°C in 1983. The coldest dipped to -11.4°C in 2017.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.9°C. Daytime highs moved from 5.6°C to 7.8°C and overnight lows from -0.5°C to 1°C over the same span.
May is one of the warmer months of the year in Whistler and one of the drier months, so plan for around 6.8°C daytime highs and 0.4°C at night.
Not quite — May is the 8th coolest month in Whistler, averaging 3.6°C.
For May in Whistler, pack warm layers and a jacket for chilly mornings, with typical highs of 6.8°C and lows of 0.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 86% — quite humid.
Average wind speed in May is 0.4 m/s. The windiest May on record averaged 0.5 m/s (1982).
The wettest May on record was 1988 with 162 mm. On average, May sees 95 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 Whistler behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
