May is one of the warmer months of the year in Yukon, with average highs near 26.6°C and lows around 14.7°C (mean 20.7°C). It is a relatively wet time of year, averaging 134 mm of rainfall and 71% relative humidity across the period.
May is one of the warmer months of the year in Yukon. Across 45 years of records, the warmest May in Yukon was 1996 — when the month averaged 24.9°C — while the coldest was 1983 at 18.1°C. Typical May days reach 26.6°C with nights near 14.7°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in Yukon, averaging 134 mm of rainfall. The wettest May on record was 2015 with 369 mm, while the driest was 2004 at 26 mm.
Relative humidity in Yukon during May averages 71%. The most humid May was 1993 at 82%, and the least humid was 1996 at 56%.
May receives about 6 kWh/m²/day of solar energy in Yukon. The sunniest May was 2017 at 6.9 kWh/m²/day, and the cloudiest was 2015 at 4.8.
Average wind speed in Yukon during May is 3.5 m/s. The windiest May was 1996 at 4.7 m/s, while the calmest were 1994 and 2023 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 20.3°C | 21.2°C | 21.0°C | 20.7°C | +0.5°C |
| Avg High | 26.1°C | 26.2°C | 27.4°C | 27.0°C | 26.3°C | +0.2°C |
| Avg Low | 14.2°C | 14.3°C | 15.0°C | 15.0°C | 15.1°C | +0.9°C |
| Avg Rain | 143 mm | 133 mm | 106 mm | 149 mm | 141 mm | -2 mm |
May temperatures in Yukon have risen by about 1.2°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 1.2°C (2013) to a record high of 38.8°C (1996).
Rainfall in May is a relatively wet time of year, averaging 134 mm, with a wettest year of 369 mm.
One of the best times to visit Yukon
May is one of the best times to visit Yukon. Expect days averaging 26.6°C and nights around 14.7°C (mean 20.7°C) — warmer than Yukon's yearly average — with higher rainfall (134 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 | 25.8°C | 19.9°C | 13.9°C | 33.1°C | 6.4°C | 139 mm | 74% | 2.8 m/s | 6.2 |
| 2024 | 27.8°C | 22.0°C | 16.3°C | 33.3°C | 10.8°C | 131 mm | 73% | 3.1 m/s | 6.1 |
| 2023 | 26.5°C | 21.2°C | 15.8°C | 32.6°C | 6.5°C | 126 mm | 75% | 2.4 m/s | 5.5 |
| 2022 | 28.1°C | 22.0°C | 15.9°C | 35.2°C | 6.4°C | 208 mm | 68% | 4.2 m/s | 6 |
| 2021 | 24.2°C | 19.2°C | 14.2°C | 29.5°C | 8.0°C | 145 mm | 78% | 3.3 m/s | 4.9 |
| 2020 | 25.2°C | 19.8°C | 14.3°C | 33.9°C | 4.7°C | 97 mm | 75% | 3.2 m/s | 6 |
| 2019 | 25.1°C | 19.9°C | 14.7°C | 29.1°C | 5.4°C | 305 mm | 82% | 3.7 m/s | 5.3 |
| 2018 | 30.2°C | 24.3°C | 18.4°C | 34.6°C | 11.0°C | 105 mm | 68% | 3.2 m/s | 6.8 |
| 2017 | 26.8°C | 20.1°C | 13.4°C | 32.9°C | 3.8°C | 83 mm | 65% | 3.4 m/s | 6.9 |
| 2016 | 25.1°C | 19.6°C | 14.2°C | 30.9°C | 5.9°C | 76 mm | 74% | 3.2 m/s | 5.9 |
| 2015 🌧️ | 24.1°C | 19.3°C | 14.5°C | 28.5°C | 7.4°C | 369 mm | 81% | 3.3 m/s | 4.8 |
| 2014 | 29.0°C | 22.1°C | 15.1°C | 36.8°C | 4.4°C | 65 mm | 56% | 3.9 m/s | 6.5 |
| 2013 | 25.8°C | 20.0°C | 14.2°C | 32.1°C | 1.2°C | 185 mm | 70% | 4 m/s | 5.3 |
| 2012 | 29.3°C | 23.3°C | 17.2°C | 34.9°C | 11.4°C | 58 mm | 63% | 3.8 m/s | 6.4 |
| 2011 | 27.7°C | 20.9°C | 14.0°C | 37.1°C | 4.0°C | 131 mm | 61% | 4.5 m/s | 6.3 |
| 2010 | 27.1°C | 20.8°C | 14.4°C | 32.6°C | 6.6°C | 115 mm | 69% | 3.3 m/s | 5.9 |
| 2009 | 25.2°C | 19.3°C | 13.3°C | 32.3°C | 6.8°C | 109 mm | 73% | 3 m/s | 5.6 |
| 2008 | 26.6°C | 20.6°C | 14.6°C | 32.3°C | 5.0°C | 137 mm | 72% | 3.9 m/s | 6.8 |
| 2007 | 24.8°C | 20.4°C | 15.9°C | 29.7°C | 8.7°C | 243 mm | 82% | 2.9 m/s | 4.9 |
| 2006 | 29.3°C | 22.6°C | 15.8°C | 38.3°C | 7.9°C | 76 mm | 60% | 3.5 m/s | 6.7 |
| 2005 | 27.4°C | 21.2°C | 15.1°C | 37.1°C | 4.2°C | 65 mm | 65% | 3.1 m/s | 5.4 |
| 2004 | 29.8°C | 22.9°C | 16.0°C | 35.3°C | 4.4°C | 26 mm | 62% | 4.5 m/s | 6.4 |
| 2003 | 28.8°C | 21.7°C | 14.5°C | 38.8°C | 9.0°C | 77 mm | 63% | 3.2 m/s | 6.1 |
| 2002 | 25.9°C | 19.7°C | 13.5°C | 33.1°C | 7.3°C | 77 mm | 70% | 3.8 m/s | 5.4 |
| 2001 | 26.7°C | 21.1°C | 15.5°C | 31.2°C | 7.3°C | 180 mm | 73% | 3.5 m/s | 6.2 |
| 2000 | 29.1°C | 22.4°C | 15.8°C | 38.4°C | 8.2°C | 69 mm | 64% | 3.8 m/s | 6.3 |
| 1999 | 25.9°C | 19.8°C | 13.8°C | 31.7°C | 6.4°C | 117 mm | 74% | 3.6 m/s | 6.3 |
| 1998 | 28.6°C | 22.3°C | 15.9°C | 34.9°C | 8.3°C | 61 mm | 71% | 3.2 m/s | 6.6 |
| 1997 | 25.3°C | 19.1°C | 12.8°C | 31.9°C | 5.2°C | 109 mm | 70% | 3.3 m/s | 6.6 |
| 1996 🔥 | 32.0°C | 24.9°C | 17.8°C | 38.8°C | 9.1°C | 78 mm | 56% | 4.7 m/s | 6.4 |
| 1995 | 24.3°C | 18.6°C | 12.9°C | 30.7°C | 5.3°C | 201 mm | 76% | 3.4 m/s | 5.1 |
| 1994 | 26.0°C | 19.9°C | 13.9°C | 31.5°C | 1.9°C | 103 mm | 76% | 2.4 m/s | 6.2 |
| 1993 | 23.6°C | 18.4°C | 13.2°C | 28.7°C | 8.3°C | 224 mm | 82% | 3.4 m/s | 5.2 |
| 1992 | 24.1°C | 18.7°C | 13.2°C | 30.6°C | 5.5°C | 140 mm | 75% | 3 m/s | 5.4 |
| 1991 | 27.8°C | 22.5°C | 17.2°C | 32.8°C | 5.8°C | 156 mm | 75% | 3.5 m/s | 5.7 |
| 1990 | 24.5°C | 18.6°C | 12.7°C | 30.4°C | 5.1°C | 141 mm | 78% | 3.8 m/s | 5.9 |
| 1989 | 26.5°C | 20.5°C | 14.5°C | 33.6°C | 6.7°C | 152 mm | 70% | 3.8 m/s | 5.9 |
| 1988 | 26.6°C | 20.4°C | 14.1°C | 30.7°C | 7.9°C | 29 mm | 64% | 3.6 m/s | 6.2 |
| 1987 | 26.9°C | 21.9°C | 16.8°C | 32.0°C | 11.1°C | 249 mm | 77% | 3.2 m/s | 6 |
| 1986 | 26.0°C | 20.4°C | 14.9°C | 32.5°C | 9.0°C | 187 mm | 75% | 3.4 m/s | 5.7 |
| 1985 | 25.9°C | 19.8°C | 13.8°C | 35.0°C | 8.6°C | 49 mm | 74% | 3.2 m/s | 6.3 |
| 1984 | 27.6°C | 20.7°C | 13.9°C | 33.7°C | 4.2°C | 54 mm | 65% | 3.5 m/s | 5.8 |
| 1983 ❄️ | 24.4°C | 18.1°C | 11.8°C | 31.3°C | 5.8°C | 162 mm | 69% | 3.3 m/s | — |
| 1982 | 24.7°C | 19.6°C | 14.5°C | 29.9°C | 5.3°C | 309 mm | 79% | 3.6 m/s | — |
| 1981 | 26.6°C | 20.1°C | 13.5°C | 33.3°C | 5.9°C | 96 mm | 65% | 3.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 26.6°C with lows near 14.7°C (mean 20.7°C), based on 45 years of NASA POWER data.
May averages 134 mm of rainfall in Yukon, a relatively wet time of year. The wettest on record was 369 mm in 2015.
The hottest May reached 38.8°C in 1996. The coldest dipped to 1.2°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.2°C. Daytime highs moved from 25.8°C to 26.5°C and overnight lows from 13.5°C to 15.2°C over the same span.
May is one of the warmer months of the year in Yukon and a relatively wet time of year, so plan for around 26.6°C daytime highs and 14.7°C at night.
Not quite — May is the 8th coolest month in Yukon, averaging 20.7°C.
For May in Yukon, pack light layers you can adjust through the day, with typical highs of 26.6°C and lows of 14.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 71% — moderately humid.
Average wind speed in May is 3.5 m/s. The windiest May on record averaged 4.7 m/s (1996).
The wettest May on record was 2015 with 369 mm. On average, May sees 134 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 Yukon 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.
