May is one of the warmer months of the year in Lloydminster, with average highs near 16.7°C and lows around 4°C (mean 10.4°C). It is a relatively wet time of year, averaging 49 mm of rainfall and 64% relative humidity across the period.
May is one of the warmer months of the year in Lloydminster. Across 45 years of records, the warmest May in Lloydminster was 2023 — when the month averaged 15.2°C — while the coldest was 1996 at 7.1°C. Typical May days reach 16.7°C with nights near 4°C. The long-term May temperature trend is broadly flat.
May is a relatively wet time of year in Lloydminster, averaging 49 mm of rainfall. The wettest May on record was 2006 with 105 mm, while the driest was 1998 at 7 mm.
Relative humidity in Lloydminster during May averages 64%. The most humid May was 2006 at 72%, and the least humid was 2002 at 50%.
May receives about 5.7 kWh/m²/day of solar energy in Lloydminster. The sunniest May was 1998 at 6.7 kWh/m²/day, and the cloudiest was 1996 at 4.4.
Average wind speed in Lloydminster during May is 3.1 m/s. The windiest May was 2001 at 3.9 m/s, while the calmest was 1996 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.6°C | 10.1°C | 9.7°C | 10.6°C | 11.0°C | +0.4°C |
| Avg High | 17.0°C | 16.6°C | 16.1°C | 17.0°C | 17.2°C | +0.2°C |
| Avg Low | 4.2°C | 3.7°C | 3.4°C | 4.2°C | 4.6°C | +0.4°C |
| Avg Rain | 48 mm | 45 mm | 50 mm | 52 mm | 51 mm | +3 mm |
May temperatures in Lloydminster have risen by about 1.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -6.8°C (2013) to a record high of 30.5°C (1995).
Rainfall in May is a relatively wet time of year, averaging 49 mm, with a wettest year of 105 mm.
A good time to visit Lloydminster
May is a good time to visit Lloydminster, with days averaging 16.7°C and nights around 4°C (mean 10.4°C, warmer than Lloydminster'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 | 19.3°C | 12.8°C | 6.2°C | 29.7°C | 0.7°C | 41 mm | 62% | 3.5 m/s | 5.8 |
| 2024 | 14.4°C | 9.1°C | 3.8°C | 25.5°C | -1.5°C | 97 mm | 72% | 3.2 m/s | 4.8 |
| 2023 🔥 | 22.4°C | 15.2°C | 7.9°C | 29.3°C | 1.0°C | 15 mm | 61% | 3 m/s | 5.8 |
| 2022 | 15.7°C | 9.5°C | 3.3°C | 22.6°C | -1.9°C | 56 mm | 68% | 3.3 m/s | 5.6 |
| 2021 | 15.8°C | 9.4°C | 3.0°C | 26.9°C | -5.1°C | 58 mm | 63% | 3.2 m/s | 5.8 |
| 2020 | 15.8°C | 9.7°C | 3.6°C | 26.6°C | -3.3°C | 38 mm | 69% | 3.3 m/s | 5.3 |
| 2019 | 15.6°C | 9.0°C | 2.4°C | 26.7°C | -5.0°C | 38 mm | 63% | 2.7 m/s | 6.2 |
| 2018 | 20.2°C | 13.6°C | 6.9°C | 28.9°C | -1.3°C | 35 mm | 62% | 3 m/s | 6.2 |
| 2017 | 17.1°C | 11.1°C | 5.2°C | 25.9°C | -0.4°C | 104 mm | 70% | 3.1 m/s | 5.8 |
| 2016 | 19.1°C | 12.6°C | 6.1°C | 28.1°C | -2.7°C | 76 mm | 63% | 2.9 m/s | 5.6 |
| 2015 | 16.9°C | 9.6°C | 2.3°C | 26.2°C | -4.0°C | 9 mm | 57% | 2.7 m/s | 6.5 |
| 2014 | 14.5°C | 8.8°C | 3.1°C | 27.5°C | -5.2°C | 47 mm | 68% | 2.9 m/s | 5.3 |
| 2013 | 19.1°C | 12.3°C | 5.4°C | 26.9°C | -6.8°C | 20 mm | 62% | 3 m/s | 6.3 |
| 2012 | 16.3°C | 10.1°C | 3.8°C | 24.1°C | -0.6°C | 78 mm | 63% | 3.5 m/s | 5.8 |
| 2011 | 17.2°C | 10.5°C | 3.8°C | 24.2°C | -1.6°C | 11 mm | 61% | 3.1 m/s | 6.2 |
| 2010 | 14.4°C | 8.7°C | 3.1°C | 27.2°C | -1.5°C | 101 mm | 69% | 3.1 m/s | 5 |
| 2009 | 15.3°C | 8.5°C | 1.7°C | 24.1°C | -4.0°C | 29 mm | 60% | 3.1 m/s | 6.2 |
| 2008 | 17.1°C | 10.6°C | 4.0°C | 24.9°C | -4.2°C | 30 mm | 62% | 3.4 m/s | 6.1 |
| 2007 | 16.2°C | 10.3°C | 4.3°C | 23.0°C | -0.9°C | 62 mm | 69% | 3.3 m/s | 5.6 |
| 2006 🌧️ | 16.3°C | 10.8°C | 5.3°C | 28.2°C | -4.0°C | 105 mm | 72% | 3.4 m/s | 5 |
| 2005 | 15.9°C | 9.4°C | 2.9°C | 22.7°C | -5.4°C | 86 mm | 67% | 3.3 m/s | 5.9 |
| 2004 | 13.5°C | 7.4°C | 1.4°C | 25.0°C | -5.7°C | 44 mm | 64% | 2.9 m/s | 5.7 |
| 2003 | 16.9°C | 10.5°C | 4.2°C | 28.6°C | -3.3°C | 34 mm | 63% | 3.2 m/s | 5.6 |
| 2002 | 15.6°C | 8.7°C | 1.8°C | 26.1°C | -6.0°C | 10 mm | 50% | 3.5 m/s | 6.4 |
| 2001 | 18.1°C | 11.4°C | 4.7°C | 28.2°C | -0.5°C | 49 mm | 57% | 3.9 m/s | 5.7 |
| 2000 | 15.8°C | 9.5°C | 3.2°C | 21.8°C | -1.5°C | 46 mm | 59% | 3.3 m/s | 5.6 |
| 1999 | 14.7°C | 9.1°C | 3.5°C | 29.2°C | -1.4°C | 70 mm | 68% | 3.2 m/s | 5.2 |
| 1998 | 21.5°C | 14.1°C | 6.7°C | 29.0°C | -1.5°C | 7 mm | 51% | 3.1 m/s | 6.7 |
| 1997 | 16.0°C | 9.8°C | 3.6°C | 26.1°C | -3.5°C | 44 mm | 67% | 3 m/s | 5.4 |
| 1996 ❄️ | 12.3°C | 7.1°C | 1.9°C | 19.5°C | -4.6°C | 60 mm | 72% | 2.4 m/s | 4.4 |
| 1995 | 16.9°C | 9.8°C | 2.7°C | 30.5°C | -4.7°C | 25 mm | 61% | 2.6 m/s | 6.2 |
| 1994 | 17.5°C | 10.9°C | 4.4°C | 25.1°C | -1.6°C | 70 mm | 63% | 3.1 m/s | 5.7 |
| 1993 | 18.1°C | 11.0°C | 4.0°C | 30.0°C | -1.3°C | 28 mm | 59% | 3 m/s | 6.1 |
| 1992 | 15.2°C | 9.0°C | 2.8°C | 27.1°C | -3.2°C | 65 mm | 64% | 3.1 m/s | 5.5 |
| 1991 | 17.1°C | 10.5°C | 4.0°C | 25.7°C | -5.4°C | 64 mm | 65% | 2.7 m/s | 5.8 |
| 1990 | 16.3°C | 10.0°C | 3.7°C | 26.6°C | -3.9°C | 21 mm | 66% | 2.9 m/s | 6.2 |
| 1989 | 16.7°C | 10.1°C | 3.5°C | 25.0°C | -4.8°C | 40 mm | 62% | 3.2 m/s | 5.8 |
| 1988 | 20.6°C | 13.3°C | 6.0°C | 30.2°C | -1.4°C | 44 mm | 56% | 3.2 m/s | 5.2 |
| 1987 | 18.3°C | 11.8°C | 5.2°C | 26.8°C | -3.8°C | 44 mm | 63% | 3 m/s | 6 |
| 1986 | 17.2°C | 11.0°C | 4.8°C | 30.2°C | -5.4°C | 62 mm | 70% | 3.2 m/s | 5.5 |
| 1985 | 17.6°C | 11.5°C | 5.4°C | 26.3°C | 1.1°C | 61 mm | 67% | 2.8 m/s | 5.9 |
| 1984 | 14.0°C | 8.4°C | 2.8°C | 26.6°C | -3.1°C | 76 mm | 68% | 3.4 m/s | 4.6 |
| 1983 | 15.0°C | 8.6°C | 2.1°C | 26.6°C | -5.1°C | 31 mm | 66% | 3 m/s | — |
| 1982 | 15.7°C | 9.3°C | 2.9°C | 24.0°C | -4.9°C | 36 mm | 63% | 3.4 m/s | — |
| 1981 | 18.1°C | 11.5°C | 5.0°C | 25.2°C | -2.6°C | 40 mm | 60% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 16.7°C with lows near 4°C (mean 10.4°C), based on 45 years of NASA POWER data.
May averages 49 mm of rainfall in Lloydminster, a relatively wet time of year. The wettest on record was 105 mm in 2006.
The hottest May reached 30.5°C in 1995. The coldest dipped to -6.8°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.3°C. Daytime highs moved from 16.1°C to 17.5°C and overnight lows from 3.6°C to 4.8°C over the same span.
May is one of the warmer months of the year in Lloydminster and a relatively wet time of year, so plan for around 16.7°C daytime highs and 4°C at night.
Not quite — May is the 8th coolest month in Lloydminster, averaging 10.4°C.
For May in Lloydminster, pack warm layers and a jacket for chilly mornings, with typical highs of 16.7°C and lows of 4°C.
Relative humidity in May averages 64% — moderately humid.
Average wind speed in May is 3.1 m/s. The windiest May on record averaged 3.9 m/s (2001).
The wettest May on record was 2006 with 105 mm. On average, May sees 49 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 Lloydminster 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.
