May is one of the warmer months of the year in Olds, with average highs near 15.8°C and lows around 3.2°C (mean 9.5°C). It is a relatively wet time of year, averaging 68 mm of rainfall and 64% relative humidity across the period.
May is one of the warmer months of the year in Olds. Across 45 years of records, the warmest May in Olds was 2023 — when the month averaged 14.5°C — while the coldest was 1996 at 6.2°C. Typical May days reach 15.8°C with nights near 3.2°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in Olds, averaging 68 mm of rainfall. The wettest May on record was 1981 with 132 mm, while the driest was 1988 at 23 mm.
Relative humidity in Olds during May averages 64%. The most humid May was 1981 at 72%, and the least humid was 1988 at 50%.
May receives about 5.4 kWh/m²/day of solar energy in Olds. The sunniest Mays were 2015, 2023 and 2025 at 6 kWh/m²/day, and the cloudiest was 2004 at 4.7.
Average wind speed in Olds during May is 2.6 m/s. The windiest May was 2001 at 3.2 m/s, while the calmest was 2014 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.6°C | 9.5°C | 8.9°C | 9.7°C | 10.2°C | +0.6°C |
| Avg High | 16.0°C | 15.7°C | 15.1°C | 16.0°C | 16.7°C | +0.7°C |
| Avg Low | 3.2°C | 3.2°C | 2.6°C | 3.4°C | 3.7°C | +0.5°C |
| Avg Rain | 61 mm | 71 mm | 70 mm | 70 mm | 70 mm | +9 mm |
May temperatures in Olds have risen by about 1.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -7.2°C (1996) to a record high of 31.6°C (1986).
Rainfall in May is a relatively wet time of year, averaging 68 mm, with a wettest year of 132 mm.
A good time to visit Olds
May is a good time to visit Olds, with days averaging 15.8°C and nights around 3.2°C (mean 9.5°C, warmer than Olds'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 | 18.3°C | 11.4°C | 4.5°C | 29.3°C | -0.7°C | 77 mm | 66% | 2.5 m/s | 6 |
| 2024 | 14.6°C | 8.8°C | 3.0°C | 25.4°C | -2.4°C | 95 mm | 69% | 2.9 m/s | 5.1 |
| 2023 🔥 | 21.9°C | 14.5°C | 7.2°C | 28.5°C | 2.6°C | 38 mm | 60% | 2.5 m/s | 6 |
| 2022 | 14.8°C | 8.5°C | 2.1°C | 21.0°C | -2.1°C | 51 mm | 63% | 2.5 m/s | 5.7 |
| 2021 | 15.1°C | 8.9°C | 2.6°C | 24.7°C | -2.9°C | 81 mm | 66% | 2.6 m/s | 5.3 |
| 2020 | 15.2°C | 8.9°C | 2.6°C | 23.8°C | -3.5°C | 77 mm | 67% | 2.7 m/s | 4.9 |
| 2019 | 14.6°C | 8.7°C | 2.9°C | 25.6°C | -4.1°C | 63 mm | 67% | 2.4 m/s | 4.8 |
| 2018 | 19.6°C | 13.1°C | 6.6°C | 27.3°C | 0.9°C | 78 mm | 65% | 2.6 m/s | 5.9 |
| 2017 | 17.8°C | 11.3°C | 4.9°C | 26.1°C | -1.0°C | 66 mm | 65% | 2.7 m/s | 5.6 |
| 2016 | 16.8°C | 10.2°C | 3.6°C | 27.0°C | -2.3°C | 87 mm | 61% | 2.8 m/s | 5.5 |
| 2015 | 16.2°C | 9.3°C | 2.4°C | 24.5°C | -4.0°C | 34 mm | 58% | 2.8 m/s | 6 |
| 2014 | 13.8°C | 8.1°C | 2.5°C | 23.3°C | -5.0°C | 79 mm | 69% | 2.2 m/s | 5 |
| 2013 | 17.5°C | 11.1°C | 4.7°C | 27.2°C | -5.5°C | 94 mm | 63% | 2.6 m/s | 5.3 |
| 2012 | 15.3°C | 8.9°C | 2.4°C | 24.7°C | -1.8°C | 45 mm | 60% | 2.7 m/s | 5.6 |
| 2011 | 15.0°C | 8.7°C | 2.4°C | 20.9°C | -2.3°C | 84 mm | 65% | 2.7 m/s | 5.2 |
| 2010 | 13.0°C | 7.4°C | 1.7°C | 26.4°C | -3.9°C | 69 mm | 63% | 2.6 m/s | 4.8 |
| 2009 | 15.1°C | 8.3°C | 1.6°C | 25.8°C | -4.3°C | 47 mm | 60% | 2.7 m/s | 5.8 |
| 2008 | 15.5°C | 9.4°C | 3.4°C | 26.2°C | -5.2°C | 102 mm | 69% | 2.7 m/s | 4.9 |
| 2007 | 15.2°C | 8.9°C | 2.6°C | 23.2°C | -2.0°C | 117 mm | 70% | 2.8 m/s | 5.5 |
| 2006 | 17.1°C | 10.8°C | 4.6°C | 28.7°C | -2.7°C | 59 mm | 64% | 2.5 m/s | 5.7 |
| 2005 | 16.4°C | 10.0°C | 3.6°C | 21.6°C | -5.3°C | 57 mm | 65% | 2.8 m/s | 5.9 |
| 2004 | 13.5°C | 7.6°C | 1.8°C | 22.2°C | -7.1°C | 84 mm | 66% | 2.5 m/s | 4.7 |
| 2003 | 13.5°C | 7.9°C | 2.2°C | 25.8°C | -5.2°C | 68 mm | 70% | 2.6 m/s | 5 |
| 2002 | 12.8°C | 6.6°C | 0.3°C | 22.3°C | -6.6°C | 72 mm | 63% | 2.9 m/s | 5 |
| 2001 | 18.1°C | 11.1°C | 4.1°C | 28.9°C | -1.9°C | 37 mm | 52% | 3.2 m/s | 5.7 |
| 2000 | 14.2°C | 8.0°C | 1.9°C | 21.5°C | -2.2°C | 61 mm | 64% | 2.4 m/s | 5.5 |
| 1999 | 14.4°C | 8.5°C | 2.5°C | 26.7°C | -3.4°C | 54 mm | 62% | 2.6 m/s | 5.4 |
| 1998 | 19.5°C | 12.7°C | 6.0°C | 25.3°C | 1.7°C | 61 mm | 61% | 2.5 m/s | 5.8 |
| 1997 | 15.1°C | 8.8°C | 2.5°C | 23.8°C | -3.3°C | 86 mm | 67% | 2.7 m/s | 5.5 |
| 1996 ❄️ | 11.8°C | 6.2°C | 0.6°C | 22.7°C | -7.2°C | 57 mm | 71% | 2.3 m/s | 5.1 |
| 1995 | 16.1°C | 9.4°C | 2.6°C | 28.0°C | -3.3°C | 72 mm | 64% | 2.4 m/s | 5.3 |
| 1994 | 16.8°C | 10.5°C | 4.3°C | 25.6°C | -1.3°C | 74 mm | 64% | 2.5 m/s | 5 |
| 1993 | 18.4°C | 11.7°C | 4.9°C | 29.0°C | -2.0°C | 52 mm | 63% | 2.8 m/s | 5.1 |
| 1992 | 15.6°C | 8.9°C | 2.2°C | 27.5°C | -5.4°C | 93 mm | 64% | 2.6 m/s | 5.3 |
| 1991 | 15.0°C | 9.1°C | 3.3°C | 23.5°C | -3.4°C | 80 mm | 66% | 2.5 m/s | 5 |
| 1990 | 14.5°C | 8.7°C | 2.8°C | 24.6°C | -2.8°C | 84 mm | 70% | 2.6 m/s | 5 |
| 1989 | 15.5°C | 9.1°C | 2.7°C | 24.3°C | -1.9°C | 51 mm | 60% | 2.7 m/s | 5.3 |
| 1988 | 19.4°C | 12.2°C | 4.9°C | 29.7°C | -2.6°C | 23 mm | 50% | 2.7 m/s | 5.4 |
| 1987 | 18.4°C | 11.0°C | 3.6°C | 27.5°C | -4.7°C | 30 mm | 56% | 2.5 m/s | 5.7 |
| 1986 | 16.2°C | 9.9°C | 3.5°C | 31.6°C | -5.9°C | 71 mm | 68% | 2.7 m/s | 5.3 |
| 1985 | 17.1°C | 10.7°C | 4.2°C | 26.6°C | -1.2°C | 50 mm | 61% | 2.5 m/s | 5.7 |
| 1984 | 13.1°C | 7.3°C | 1.5°C | 23.1°C | -3.1°C | 81 mm | 67% | 2.8 m/s | 4.9 |
| 1983 | 15.1°C | 8.9°C | 2.7°C | 24.5°C | -3.7°C | 40 mm | 70% | 2.6 m/s | — |
| 1982 | 14.4°C | 7.9°C | 1.3°C | 24.9°C | -3.3°C | 68 mm | 64% | 2.9 m/s | — |
| 1981 🌧️ | 14.9°C | 9.6°C | 4.2°C | 21.2°C | -0.2°C | 132 mm | 72% | 2.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.8°C with lows near 3.2°C (mean 9.5°C), based on 45 years of NASA POWER data.
May averages 68 mm of rainfall in Olds, a relatively wet time of year. The wettest on record was 132 mm in 1981.
The hottest May reached 31.6°C in 1986. The coldest dipped to -7.2°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.5°C. Daytime highs moved from 14.9°C to 16.9°C and overnight lows from 2.8°C to 3.9°C over the same span.
May is one of the warmer months of the year in Olds and a relatively wet time of year, so plan for around 15.8°C daytime highs and 3.2°C at night.
Not quite — May is the 8th coolest month in Olds, averaging 9.5°C.
For May in Olds, pack warm layers and a jacket for chilly mornings, with typical highs of 15.8°C and lows of 3.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 64% — moderately humid.
Average wind speed in May is 2.6 m/s. The windiest May on record averaged 3.2 m/s (2001).
The wettest May on record was 1981 with 132 mm. On average, May sees 68 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 Olds 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.
