May is one of the warmer months of the year in Quesnel, with average highs near 15.3°C and lows around 2.8°C (mean 9.1°C). It is about average for rainfall, averaging 48 mm of rainfall and 71% relative humidity across the period.
May is one of the warmer months of the year in Quesnel. Across 45 years of records, the warmest May in Quesnel was 2023 — when the month averaged 14.2°C — while the coldest were 1984 and 1996 at 6°C. Typical May days reach 15.3°C with nights near 2.8°C. The long-term trend is warming, about 0.2°C per decade.
May is about average for rainfall in Quesnel, averaging 48 mm of rainfall. The wettest May on record was 2011 with 91 mm, while the driest was 1991 at 15 mm.
Relative humidity in Quesnel during May averages 71%. The most humid May was 2008 at 78%, and the least humid was 1995 at 64%.
May receives about 5.5 kWh/m²/day of solar energy in Quesnel. The sunniest Mays were 1995 and 1998 at 6.2 kWh/m²/day, and the cloudiest was 2011 at 4.7.
Average wind speed in Quesnel during May is 0.2 m/s. The windiest Mays were 2021, 2023 and 2025, among others at 0.2 m/s, while the calmest were 2020, 2022 and 2024, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.7°C | 9.4°C | 8.2°C | 9.8°C | 9.3°C | +0.6°C |
| Avg High | 15.1°C | 15.8°C | 14.3°C | 16.1°C | 15.5°C | +0.4°C |
| Avg Low | 2.3°C | 3.0°C | 2.1°C | 3.5°C | 3.1°C | +0.8°C |
| Avg Rain | 49 mm | 40 mm | 55 mm | 47 mm | 50 mm | +1 mm |
May temperatures in Quesnel have risen by about 0.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -5.5°C (2006) to a record high of 34.3°C (1983).
Rainfall in May is about average for rainfall, averaging 48 mm, with a wettest year of 91 mm.
A good time to visit Quesnel
May is a good time to visit Quesnel, with days averaging 15.3°C and nights around 2.8°C (mean 9.1°C, warmer than Quesnel's yearly average) and moderate rainfall. August and July 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 | 14.8°C | 9.0°C | 3.3°C | 22.7°C | -1.1°C | 49 mm | 73% | 0.2 m/s | 5.2 |
| 2024 | 15.4°C | 8.8°C | 2.1°C | 25.7°C | -3.3°C | 60 mm | 67% | 0.1 m/s | 5.1 |
| 2023 🔥 | 21.2°C | 14.2°C | 7.1°C | 31.2°C | 0.2°C | 31 mm | 66% | 0.2 m/s | 6.1 |
| 2022 | 11.9°C | 6.5°C | 1.1°C | 18.6°C | -3.2°C | 59 mm | 76% | 0.1 m/s | 5 |
| 2021 | 14.3°C | 8.3°C | 2.3°C | 20.7°C | -2.9°C | 55 mm | 74% | 0.2 m/s | 5.4 |
| 2020 | 15.1°C | 8.8°C | 2.5°C | 19.9°C | -2.7°C | 48 mm | 76% | 0.1 m/s | 5.8 |
| 2019 | 18.7°C | 11.9°C | 5.2°C | 28.3°C | -0.2°C | 28 mm | 68% | 0.2 m/s | 5.6 |
| 2018 | 18.7°C | 11.9°C | 5.2°C | 27.2°C | -1.6°C | 23 mm | 70% | 0.2 m/s | 5.9 |
| 2017 | 16.3°C | 10.1°C | 3.8°C | 26.9°C | -4.3°C | 74 mm | 73% | 0.2 m/s | 5.6 |
| 2016 | 16.6°C | 10.0°C | 3.5°C | 24.9°C | -1.8°C | 30 mm | 66% | 0.2 m/s | 5.6 |
| 2015 | 17.9°C | 11.4°C | 5.0°C | 23.7°C | -3.9°C | 26 mm | 70% | 0.2 m/s | 6 |
| 2014 | 14.6°C | 8.9°C | 3.2°C | 19.0°C | -3.3°C | 68 mm | 75% | 0.2 m/s | 5.1 |
| 2013 | 16.5°C | 10.3°C | 4.0°C | 27.0°C | -4.9°C | 55 mm | 72% | 0.2 m/s | 5.4 |
| 2012 | 14.3°C | 7.8°C | 1.4°C | 21.5°C | -3.2°C | 35 mm | 68% | 0.1 m/s | 5.9 |
| 2011 🌧️ | 13.4°C | 7.6°C | 1.8°C | 20.2°C | -3.3°C | 91 mm | 77% | 0.2 m/s | 4.7 |
| 2010 | 13.7°C | 7.8°C | 2.0°C | 20.0°C | -4.8°C | 36 mm | 68% | 0.2 m/s | 5.4 |
| 2009 | 13.1°C | 7.1°C | 1.1°C | 22.5°C | -3.1°C | 46 mm | 73% | 0.2 m/s | 5.8 |
| 2008 | 15.0°C | 8.9°C | 2.8°C | 26.0°C | -2.4°C | 52 mm | 78% | 0.1 m/s | 5.2 |
| 2007 | 14.3°C | 7.8°C | 1.2°C | 24.1°C | -4.2°C | 54 mm | 73% | 0.2 m/s | 5.8 |
| 2006 | 15.8°C | 9.5°C | 3.2°C | 28.9°C | -5.5°C | 63 mm | 69% | 0.2 m/s | 5.7 |
| 2005 | 17.0°C | 10.7°C | 4.5°C | 28.7°C | -0.5°C | 73 mm | 72% | 0.2 m/s | 5.7 |
| 2004 | 14.5°C | 8.7°C | 2.9°C | 21.9°C | -3.9°C | 56 mm | 71% | 0.2 m/s | 5.4 |
| 2003 | 13.5°C | 7.3°C | 1.2°C | 23.4°C | -4.4°C | 43 mm | 70% | 0.2 m/s | 5.3 |
| 2002 | 12.6°C | 7.0°C | 1.3°C | 20.0°C | -3.9°C | 79 mm | 74% | 0.1 m/s | 4.9 |
| 2001 | 13.7°C | 7.4°C | 1.2°C | 22.0°C | -4.5°C | 34 mm | 72% | 0.1 m/s | 5.3 |
| 2000 | 13.2°C | 7.3°C | 1.3°C | 19.4°C | -3.1°C | 53 mm | 70% | 0.2 m/s | 5.5 |
| 1999 | 11.8°C | 6.4°C | 1.0°C | 23.4°C | -4.4°C | 69 mm | 74% | 0.1 m/s | 5.2 |
| 1998 | 19.9°C | 12.8°C | 5.6°C | 26.3°C | 1.0°C | 22 mm | 65% | 0.2 m/s | 6.2 |
| 1997 | 15.6°C | 9.2°C | 2.8°C | 23.5°C | -2.7°C | 40 mm | 73% | 0.2 m/s | 5.8 |
| 1996 | 11.6°C | 6.0°C | 0.4°C | 18.1°C | -4.6°C | 57 mm | 75% | 0.1 m/s | 5.5 |
| 1995 | 17.7°C | 10.5°C | 3.3°C | 26.8°C | -1.8°C | 34 mm | 64% | 0.2 m/s | 6.2 |
| 1994 | 16.2°C | 9.9°C | 3.6°C | 22.7°C | -0.6°C | 30 mm | 66% | 0.1 m/s | 5.4 |
| 1993 | 18.9°C | 12.3°C | 5.8°C | 27.4°C | -3.1°C | 48 mm | 72% | 0.2 m/s | 5.8 |
| 1992 | 15.5°C | 8.6°C | 1.7°C | 28.0°C | -4.3°C | 32 mm | 67% | 0.1 m/s | 5.9 |
| 1991 | 15.8°C | 9.0°C | 2.3°C | 22.2°C | -3.0°C | 15 mm | 69% | 0.2 m/s | 5.9 |
| 1990 | 14.5°C | 8.9°C | 3.2°C | 21.8°C | -2.6°C | 57 mm | 75% | 0.2 m/s | 5.4 |
| 1989 | 16.0°C | 9.3°C | 2.5°C | 24.2°C | -2.9°C | 40 mm | 66% | 0.2 m/s | 5.5 |
| 1988 | 15.7°C | 9.2°C | 2.7°C | 25.7°C | -4.4°C | 63 mm | 70% | 0.2 m/s | 5.2 |
| 1987 | 15.9°C | 9.3°C | 2.8°C | 24.1°C | -2.5°C | 39 mm | 65% | 0.2 m/s | 5.7 |
| 1986 | 13.8°C | 7.7°C | 1.6°C | 27.8°C | -4.7°C | 49 mm | 74% | 0.1 m/s | 5.4 |
| 1985 | 15.8°C | 9.2°C | 2.6°C | 26.2°C | -3.7°C | 24 mm | 71% | 0.2 m/s | 6 |
| 1984 ❄️ | 11.8°C | 6.0°C | 0.2°C | 17.5°C | -3.1°C | 65 mm | 73% | 0.1 m/s | 5.4 |
| 1983 | 18.0°C | 10.8°C | 3.7°C | 34.3°C | -1.9°C | 27 mm | 65% | 0.2 m/s | — |
| 1982 | 12.9°C | 6.9°C | 0.8°C | 21.6°C | -4.1°C | 67 mm | 75% | 0.1 m/s | — |
| 1981 | 15.7°C | 9.8°C | 3.8°C | 22.6°C | -0.9°C | 69 mm | 73% | 0.2 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.3°C with lows near 2.8°C (mean 9.1°C), based on 45 years of NASA POWER data.
May averages 48 mm of rainfall in Quesnel, about average for rainfall. The wettest on record was 91 mm in 2011.
The hottest May reached 34.3°C in 1983. The coldest dipped to -5.5°C in 2006.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.9°C. Daytime highs moved from 14.8°C to 15.5°C and overnight lows from 2.2°C to 3.2°C over the same span.
May is one of the warmer months of the year in Quesnel and about average for rainfall, so plan for around 15.3°C daytime highs and 2.8°C at night.
Not quite — May is the 8th coolest month in Quesnel, averaging 9.1°C.
For May in Quesnel, pack warm layers and a jacket for chilly mornings, with typical highs of 15.3°C and lows of 2.8°C.
Relative humidity in May averages 71% — moderately humid.
Average wind speed in May is 0.2 m/s. The windiest May on record averaged 0.2 m/s (1981).
The wettest May on record was 2011 with 91 mm. On average, May sees 48 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 Quesnel 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.
