May is one of the warmer months of the year in Cold Lake, with average highs near 16°C and lows around 4.1°C (mean 10.1°C). It is a relatively wet time of year, averaging 51 mm of rainfall and 67% relative humidity across the period.
May is one of the warmer months of the year in Cold Lake. Across 45 years of records, the warmest May in Cold Lake was 2023 — when the month averaged 14.4°C — while the coldest was 1996 at 6.7°C. Typical May days reach 16°C with nights near 4.1°C. The long-term May temperature trend is broadly flat.
May is a relatively wet time of year in Cold Lake, averaging 51 mm of rainfall. The wettest May on record was 2006 with 127 mm, while the driest was 2011 at 12 mm.
Relative humidity in Cold Lake during May averages 67%. The most humid May was 2017 at 76%, and the least humid was 2002 at 53%.
May receives about 5.5 kWh/m²/day of solar energy in Cold Lake. The sunniest Mays were 1998 and 2015 at 6.4 kWh/m²/day, and the cloudiest was 1984 at 4.4.
Average wind speed in Cold Lake during May is 1.7 m/s. The windiest May was 2001 at 2.1 m/s, while the calmest was 1996 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.4°C | 9.9°C | 9.3°C | 10.4°C | 10.2°C | -0.2°C |
| Avg High | 16.4°C | 16.0°C | 15.2°C | 16.4°C | 15.9°C | -0.5°C |
| Avg Low | 4.4°C | 3.9°C | 3.3°C | 4.4°C | 4.5°C | +0.1°C |
| Avg Rain | 50 mm | 43 mm | 58 mm | 46 mm | 65 mm | +15 mm |
May temperatures in Cold Lake have risen by about 0.8°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -5.9°C (2002) to a record high of 30.6°C (1993).
Rainfall in May is a relatively wet time of year, averaging 51 mm, with a wettest year of 127 mm.
A good time to visit Cold Lake
May is a good time to visit Cold Lake, with days averaging 16°C and nights around 4.1°C (mean 10.1°C, warmer than Cold Lake's yearly average) and moderate 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 | 18.4°C | 12.2°C | 6.0°C | 29.0°C | -0.2°C | 45 mm | 67% | 1.9 m/s | 5.7 |
| 2024 | 13.4°C | 8.6°C | 3.8°C | 23.6°C | -1.3°C | 95 mm | 75% | 1.8 m/s | 4.5 |
| 2023 🔥 | 20.8°C | 14.4°C | 8.0°C | 26.6°C | 1.5°C | 40 mm | 66% | 1.7 m/s | 5.5 |
| 2022 | 13.6°C | 8.2°C | 2.9°C | 19.4°C | -2.9°C | 75 mm | 76% | 1.8 m/s | 5.3 |
| 2021 | 14.7°C | 8.8°C | 2.9°C | 25.3°C | -4.5°C | 74 mm | 69% | 1.8 m/s | 5.6 |
| 2020 | 14.5°C | 9.0°C | 3.4°C | 23.7°C | -3.0°C | 60 mm | 75% | 1.9 m/s | 5.2 |
| 2019 | 14.6°C | 8.6°C | 2.5°C | 27.5°C | -4.5°C | 40 mm | 68% | 1.5 m/s | 6.1 |
| 2018 | 19.5°C | 13.2°C | 6.9°C | 26.9°C | -0.8°C | 38 mm | 66% | 1.7 m/s | 6.2 |
| 2017 | 15.7°C | 10.3°C | 5.0°C | 24.2°C | -0.6°C | 96 mm | 76% | 1.8 m/s | 5.6 |
| 2016 | 18.9°C | 12.7°C | 6.5°C | 27.6°C | -1.2°C | 66 mm | 66% | 1.7 m/s | 5.4 |
| 2015 | 15.9°C | 9.2°C | 2.4°C | 25.6°C | -3.8°C | 24 mm | 60% | 1.6 m/s | 6.4 |
| 2014 | 13.1°C | 8.0°C | 2.8°C | 26.7°C | -5.0°C | 50 mm | 72% | 1.6 m/s | 5 |
| 2013 | 18.6°C | 12.1°C | 5.6°C | 24.6°C | -4.7°C | 18 mm | 65% | 1.7 m/s | 6.2 |
| 2012 | 15.9°C | 10.0°C | 4.1°C | 22.3°C | -0.7°C | 51 mm | 64% | 1.9 m/s | 5.8 |
| 2011 | 17.2°C | 10.7°C | 4.2°C | 25.5°C | -1.2°C | 12 mm | 63% | 1.7 m/s | 6.1 |
| 2010 | 14.4°C | 9.1°C | 3.7°C | 25.3°C | -2.0°C | 69 mm | 70% | 1.7 m/s | 5 |
| 2009 | 13.8°C | 7.6°C | 1.5°C | 22.5°C | -3.2°C | 38 mm | 66% | 1.7 m/s | 5.9 |
| 2008 | 16.6°C | 10.2°C | 3.9°C | 23.9°C | -3.2°C | 25 mm | 65% | 1.9 m/s | 6.1 |
| 2007 | 15.4°C | 9.9°C | 4.4°C | 22.7°C | -1.0°C | 78 mm | 72% | 1.9 m/s | 5.4 |
| 2006 🌧️ | 15.9°C | 10.7°C | 5.5°C | 26.3°C | -3.0°C | 127 mm | 74% | 1.8 m/s | 4.7 |
| 2005 | 15.1°C | 9.0°C | 2.9°C | 21.9°C | -5.9°C | 72 mm | 70% | 1.9 m/s | 5.7 |
| 2004 | 12.4°C | 7.0°C | 1.5°C | 23.8°C | -5.1°C | 59 mm | 67% | 1.6 m/s | 5.2 |
| 2003 | 15.9°C | 9.9°C | 3.9°C | 27.3°C | -3.8°C | 53 mm | 67% | 1.8 m/s | 5.5 |
| 2002 | 14.7°C | 8.2°C | 1.7°C | 24.6°C | -5.9°C | 17 mm | 53% | 1.9 m/s | 6.3 |
| 2001 | 17.4°C | 11.1°C | 4.8°C | 26.0°C | -0.4°C | 66 mm | 61% | 2.1 m/s | 5.5 |
| 2000 | 14.7°C | 9.0°C | 3.3°C | 20.4°C | -2.0°C | 40 mm | 61% | 1.9 m/s | 5.3 |
| 1999 | 14.2°C | 9.0°C | 3.9°C | 28.0°C | -1.0°C | 53 mm | 71% | 1.8 m/s | 5.1 |
| 1998 | 20.8°C | 13.7°C | 6.6°C | 28.3°C | -1.5°C | 20 mm | 55% | 1.7 m/s | 6.4 |
| 1997 | 14.6°C | 9.1°C | 3.6°C | 23.7°C | -2.0°C | 61 mm | 72% | 1.6 m/s | 5.2 |
| 1996 ❄️ | 11.3°C | 6.7°C | 2.1°C | 19.1°C | -4.5°C | 60 mm | 75% | 1.4 m/s | 4.5 |
| 1995 | 16.8°C | 9.9°C | 3.0°C | 29.6°C | -4.5°C | 12 mm | 60% | 1.5 m/s | 6.3 |
| 1994 | 16.6°C | 10.4°C | 4.2°C | 23.8°C | -3.7°C | 78 mm | 67% | 1.7 m/s | 5.4 |
| 1993 | 17.7°C | 10.9°C | 4.2°C | 30.6°C | -1.2°C | 28 mm | 61% | 1.7 m/s | 6 |
| 1992 | 14.9°C | 8.9°C | 2.9°C | 25.8°C | -3.2°C | 42 mm | 64% | 1.8 m/s | 5.5 |
| 1991 | 17.0°C | 10.9°C | 4.7°C | 25.1°C | -4.3°C | 53 mm | 66% | 1.6 m/s | 5.6 |
| 1990 | 15.8°C | 9.9°C | 3.9°C | 25.7°C | -3.5°C | 26 mm | 69% | 1.6 m/s | 6 |
| 1989 | 16.6°C | 10.3°C | 4.0°C | 24.7°C | -4.3°C | 45 mm | 64% | 1.8 m/s | 5.6 |
| 1988 | 19.3°C | 12.7°C | 6.0°C | 27.8°C | -0.3°C | 51 mm | 61% | 1.8 m/s | 5 |
| 1987 | 17.5°C | 11.5°C | 5.5°C | 25.0°C | -3.7°C | 41 mm | 65% | 1.8 m/s | 5.6 |
| 1986 | 16.9°C | 11.0°C | 5.1°C | 30.5°C | -4.0°C | 70 mm | 72% | 1.8 m/s | 5.4 |
| 1985 | 17.0°C | 11.2°C | 5.4°C | 24.8°C | 0.8°C | 67 mm | 71% | 1.6 m/s | 5.7 |
| 1984 | 13.1°C | 8.0°C | 2.8°C | 22.0°C | -3.1°C | 98 mm | 72% | 1.8 m/s | 4.4 |
| 1983 | 14.1°C | 8.0°C | 1.8°C | 23.6°C | -4.9°C | 32 mm | 67% | 1.7 m/s | — |
| 1982 | 15.1°C | 9.4°C | 3.6°C | 22.9°C | -4.6°C | 32 mm | 67% | 1.8 m/s | — |
| 1981 | 17.8°C | 11.4°C | 5.0°C | 24.7°C | -1.9°C | 12 mm | 62% | 1.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 16°C with lows near 4.1°C (mean 10.1°C), based on 45 years of NASA POWER data.
May averages 51 mm of rainfall in Cold Lake, a relatively wet time of year. The wettest on record was 127 mm in 2006.
The hottest May reached 30.6°C in 1993. The coldest dipped to -5.9°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.8°C. Daytime highs moved from 15.4°C to 16.2°C and overnight lows from 3.7°C to 4.7°C over the same span.
May is one of the warmer months of the year in Cold Lake and a relatively wet time of year, so plan for around 16°C daytime highs and 4.1°C at night.
Not quite — May is the 8th coolest month in Cold Lake, averaging 10.1°C.
For May in Cold Lake, pack warm layers and a jacket for chilly mornings, with typical highs of 16°C and lows of 4.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 67% — moderately humid.
Average wind speed in May is 1.7 m/s. The windiest May on record averaged 2.1 m/s (2001).
The wettest May on record was 2006 with 127 mm. On average, May sees 51 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 Cold Lake 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.
