May is one of the warmer months of the year in Prince George, with average highs near 14.6°C and lows around 2.8°C (mean 8.7°C). It is about average for rainfall, averaging 56 mm of rainfall and 74% relative humidity across the period.
May is one of the warmer months of the year in Prince George. Across 45 years of records, the warmest May in Prince George was 2023 — when the month averaged 13.6°C — while the coldest was 1996 at 5.7°C. Typical May days reach 14.6°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 Prince George, averaging 56 mm of rainfall. The wettest May on record was 2017 with 86 mm, while the driest was 1991 at 24 mm.
Relative humidity in Prince George during May averages 74%. The most humid May was 2022 at 79%, and the least humid was 1995 at 69%.
May receives about 5.5 kWh/m²/day of solar energy in Prince George. The sunniest May was 1998 at 6.3 kWh/m²/day, and the cloudiest was 2011 at 4.6.
Average wind speed in Prince George 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 | 8.4°C | 9.0°C | 7.9°C | 9.4°C | 9.0°C | +0.6°C |
| Avg High | 14.3°C | 15.0°C | 13.6°C | 15.4°C | 14.8°C | +0.5°C |
| Avg Low | 2.5°C | 3.0°C | 2.1°C | 3.3°C | 3.2°C | +0.7°C |
| Avg Rain | 60 mm | 53 mm | 60 mm | 50 mm | 60 mm | 0 mm |
May temperatures in Prince George have risen by about 0.7°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -6.1°C (1996) to a record high of 31.9°C (1983).
Rainfall in May is about average for rainfall, averaging 56 mm, with a wettest year of 86 mm.
A good time to visit Prince George
May is a good time to visit Prince George, with days averaging 14.6°C and nights around 2.8°C (mean 8.7°C, warmer than Prince George'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 | 14.4°C | 9.0°C | 3.7°C | 22.1°C | -0.9°C | 58 mm | 76% | 0.2 m/s | 5.1 |
| 2024 | 14.3°C | 8.3°C | 2.3°C | 22.4°C | -2.9°C | 32 mm | 72% | 0.1 m/s | 5 |
| 2023 🔥 | 20.2°C | 13.6°C | 7.0°C | 30.8°C | 0.0°C | 48 mm | 72% | 0.2 m/s | 6 |
| 2022 | 11.1°C | 6.1°C | 1.1°C | 19.4°C | -2.9°C | 84 mm | 79% | 0.1 m/s | 4.7 |
| 2021 | 13.8°C | 8.2°C | 2.6°C | 19.2°C | -1.6°C | 74 mm | 77% | 0.2 m/s | 5.3 |
| 2020 | 14.7°C | 8.6°C | 2.5°C | 20.6°C | -2.8°C | 63 mm | 77% | 0.1 m/s | 5.8 |
| 2019 | 17.4°C | 11.2°C | 5.0°C | 24.8°C | -1.8°C | 29 mm | 73% | 0.2 m/s | 5.8 |
| 2018 | 17.6°C | 11.2°C | 4.8°C | 26.1°C | -1.6°C | 32 mm | 74% | 0.2 m/s | 5.9 |
| 2017 🌧️ | 15.9°C | 9.9°C | 3.8°C | 27.4°C | -2.7°C | 86 mm | 76% | 0.2 m/s | 5.6 |
| 2016 | 15.6°C | 9.4°C | 3.2°C | 22.2°C | -2.3°C | 43 mm | 72% | 0.2 m/s | 5.7 |
| 2015 | 17.8°C | 11.3°C | 4.8°C | 24.0°C | -3.5°C | 55 mm | 73% | 0.2 m/s | 6.2 |
| 2014 | 14.2°C | 8.5°C | 2.7°C | 18.8°C | -5.0°C | 40 mm | 75% | 0.2 m/s | 5.4 |
| 2013 | 15.9°C | 9.8°C | 3.7°C | 21.9°C | -4.2°C | 68 mm | 76% | 0.2 m/s | 5.4 |
| 2012 | 13.0°C | 7.1°C | 1.1°C | 20.3°C | -3.2°C | 31 mm | 73% | 0.2 m/s | 5.8 |
| 2011 | 13.6°C | 7.9°C | 2.3°C | 20.5°C | -3.2°C | 69 mm | 78% | 0.2 m/s | 4.6 |
| 2010 | 13.2°C | 7.6°C | 2.0°C | 19.7°C | -5.3°C | 49 mm | 71% | 0.1 m/s | 5.4 |
| 2009 | 12.6°C | 6.8°C | 1.0°C | 20.8°C | -2.3°C | 60 mm | 74% | 0.2 m/s | 5.7 |
| 2008 | 14.4°C | 8.8°C | 3.2°C | 24.0°C | -2.7°C | 60 mm | 79% | 0.1 m/s | 5.2 |
| 2007 | 13.8°C | 7.7°C | 1.5°C | 22.7°C | -2.7°C | 49 mm | 74% | 0.2 m/s | 5.7 |
| 2006 | 15.3°C | 9.2°C | 3.1°C | 28.2°C | -4.9°C | 52 mm | 72% | 0.2 m/s | 5.7 |
| 2005 | 17.1°C | 10.7°C | 4.4°C | 30.8°C | -2.9°C | 72 mm | 74% | 0.2 m/s | 5.8 |
| 2004 | 14.1°C | 8.3°C | 2.5°C | 22.2°C | -4.3°C | 62 mm | 72% | 0.2 m/s | 5.5 |
| 2003 | 12.8°C | 7.1°C | 1.4°C | 23.2°C | -4.9°C | 58 mm | 75% | 0.2 m/s | 5.2 |
| 2002 | 11.7°C | 6.2°C | 0.7°C | 19.2°C | -4.7°C | 74 mm | 76% | 0.2 m/s | 4.9 |
| 2001 | 12.2°C | 6.8°C | 1.4°C | 20.2°C | -3.7°C | 60 mm | 77% | 0.1 m/s | 4.9 |
| 2000 | 12.4°C | 6.9°C | 1.4°C | 19.3°C | -2.4°C | 57 mm | 73% | 0.2 m/s | 5.5 |
| 1999 | 11.1°C | 6.2°C | 1.3°C | 22.1°C | -4.0°C | 84 mm | 77% | 0.1 m/s | 4.8 |
| 1998 | 19.0°C | 12.6°C | 6.2°C | 24.0°C | 1.1°C | 35 mm | 71% | 0.2 m/s | 6.3 |
| 1997 | 15.1°C | 9.0°C | 2.9°C | 22.7°C | -2.3°C | 64 mm | 74% | 0.1 m/s | 5.9 |
| 1996 ❄️ | 11.3°C | 5.7°C | 0.2°C | 17.7°C | -6.1°C | 63 mm | 75% | 0.2 m/s | 5.6 |
| 1995 | 16.5°C | 10.0°C | 3.4°C | 24.1°C | -1.5°C | 27 mm | 69% | 0.2 m/s | 6.2 |
| 1994 | 14.7°C | 8.7°C | 2.7°C | 21.8°C | -2.3°C | 38 mm | 73% | 0.1 m/s | 5.3 |
| 1993 | 18.2°C | 11.9°C | 5.7°C | 26.8°C | -2.7°C | 75 mm | 75% | 0.2 m/s | 5.8 |
| 1992 | 14.1°C | 7.9°C | 1.7°C | 25.7°C | -3.1°C | 41 mm | 73% | 0.1 m/s | 5.8 |
| 1991 | 15.4°C | 9.2°C | 2.9°C | 21.0°C | -2.0°C | 24 mm | 73% | 0.2 m/s | 6 |
| 1990 | 14.6°C | 9.0°C | 3.4°C | 20.9°C | -2.1°C | 76 mm | 77% | 0.2 m/s | 5.1 |
| 1989 | 14.9°C | 8.9°C | 2.8°C | 22.1°C | -2.1°C | 52 mm | 73% | 0.1 m/s | 5.8 |
| 1988 | 15.1°C | 9.2°C | 3.3°C | 25.1°C | -2.2°C | 80 mm | 75% | 0.1 m/s | 5.3 |
| 1987 | 14.4°C | 8.5°C | 2.6°C | 23.1°C | -2.1°C | 55 mm | 72% | 0.2 m/s | 5.7 |
| 1986 | 13.2°C | 7.7°C | 2.2°C | 25.7°C | -5.5°C | 60 mm | 76% | 0.2 m/s | 5.4 |
| 1985 | 15.6°C | 9.2°C | 2.7°C | 25.6°C | -4.4°C | 25 mm | 74% | 0.2 m/s | 5.9 |
| 1984 | 11.6°C | 6.1°C | 0.6°C | 16.5°C | -3.5°C | 83 mm | 75% | 0.1 m/s | 5.5 |
| 1983 | 16.2°C | 9.9°C | 3.6°C | 31.9°C | -1.1°C | 31 mm | 73% | 0.1 m/s | — |
| 1982 | 12.3°C | 6.5°C | 0.8°C | 21.3°C | -2.8°C | 67 mm | 78% | 0.1 m/s | — |
| 1981 | 15.8°C | 9.8°C | 3.9°C | 22.7°C | -1.0°C | 84 mm | 75% | 0.2 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 14.6°C with lows near 2.8°C (mean 8.7°C), based on 45 years of NASA POWER data.
May averages 56 mm of rainfall in Prince George, about average for rainfall. The wettest on record was 86 mm in 2017.
The hottest May reached 31.9°C in 1983. The coldest dipped to -6.1°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.7°C. Daytime highs moved from 14.3°C to 14.8°C and overnight lows from 2.3°C to 3.3°C over the same span.
May is one of the warmer months of the year in Prince George and about average for rainfall, so plan for around 14.6°C daytime highs and 2.8°C at night.
Not quite — May is the 8th coolest month in Prince George, averaging 8.7°C.
For May in Prince George, pack warm layers and a jacket for chilly mornings, with typical highs of 14.6°C and lows of 2.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 74% — 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 2017 with 86 mm. On average, May sees 56 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 Prince George 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.
