May is one of the warmer months of the year in Saint-Georges, with average highs near 15.4°C and lows around 4.3°C (mean 9.9°C). It is about average for rainfall, averaging 99 mm of rainfall and 81% relative humidity across the period.
May is one of the warmer months of the year in Saint-Georges. Across 45 years of records, the warmest May in Saint-Georges was 1998 — when the month averaged 12.9°C — while the coldest was 1997 at 6.6°C. Typical May days reach 15.4°C with nights near 4.3°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Saint-Georges, averaging 99 mm of rainfall. The wettest May on record was 2011 with 192 mm, while the driest was 1992 at 41 mm.
Relative humidity in Saint-Georges during May averages 81%. The most humid May was 2011 at 87%, and the least humid was 1992 at 77%.
May receives about 5.2 kWh/m²/day of solar energy in Saint-Georges. The sunniest Mays were 1999, 2018 and 2020 at 6.2 kWh/m²/day, and the cloudiest was 1984 at 4.1.
Average wind speed in Saint-Georges during May is 0.1 m/s. The windiest Mays were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, 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 | 9.7°C | 9.6°C | 9.2°C | 10.5°C | 10.5°C | +0.8°C |
| Avg High | 15.2°C | 15.2°C | 14.8°C | 16.1°C | 16.2°C | +1°C |
| Avg Low | 4.2°C | 4.1°C | 3.7°C | 4.9°C | 4.8°C | +0.6°C |
| Avg Rain | 108 mm | 90 mm | 92 mm | 114 mm | 88 mm | -20 mm |
May temperatures in Saint-Georges have risen by about 1.7°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -5.7°C (2008) to a record high of 28.5°C (2020).
Rainfall in May is about average for rainfall, averaging 99 mm, with a wettest year of 192 mm.
A good time to visit Saint-Georges
May is a good time to visit Saint-Georges, with days averaging 15.4°C and nights around 4.3°C (mean 9.9°C, warmer than Saint-Georges's yearly average) and higher 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 | 15.9°C | 10.8°C | 5.7°C | 24.0°C | -3.5°C | 115 mm | 83% | 0.1 m/s | 4.5 |
| 2024 | 17.6°C | 12.1°C | 6.6°C | 26.2°C | -2.9°C | 80 mm | 82% | 0.1 m/s | 5.1 |
| 2023 | 15.3°C | 9.3°C | 3.3°C | 26.2°C | -4.1°C | 78 mm | 78% | 0.1 m/s | 5.9 |
| 2022 | 18.1°C | 11.7°C | 5.3°C | 27.7°C | -4.1°C | 104 mm | 78% | 0.1 m/s | 5.9 |
| 2021 | 15.5°C | 9.9°C | 4.2°C | 25.7°C | -4.0°C | 84 mm | 78% | 0.1 m/s | 5.7 |
| 2020 | 14.7°C | 9.2°C | 3.8°C | 28.5°C | -3.8°C | 69 mm | 79% | 0.1 m/s | 6.2 |
| 2019 | 13.5°C | 7.9°C | 2.3°C | 21.6°C | -4.8°C | 114 mm | 81% | 0.1 m/s | 5.1 |
| 2018 | 17.1°C | 10.6°C | 4.1°C | 26.4°C | -3.9°C | 61 mm | 79% | 0.1 m/s | 6.2 |
| 2017 | 14.4°C | 9.5°C | 4.5°C | 24.9°C | -2.7°C | 131 mm | 85% | 0.1 m/s | 4.4 |
| 2016 | 16.2°C | 10.4°C | 4.6°C | 24.4°C | -3.0°C | 86 mm | 82% | 0.1 m/s | 5.3 |
| 2015 | 18.0°C | 12.1°C | 6.2°C | 25.5°C | -2.7°C | 113 mm | 80% | 0.1 m/s | 5.3 |
| 2014 | 15.3°C | 10.1°C | 5.0°C | 24.7°C | -1.7°C | 111 mm | 85% | 0.1 m/s | 5.1 |
| 2013 | 16.7°C | 11.0°C | 5.3°C | 24.5°C | -1.7°C | 151 mm | 82% | 0.1 m/s | 5.1 |
| 2012 | 16.9°C | 11.6°C | 6.3°C | 25.6°C | -0.9°C | 129 mm | 83% | 0.1 m/s | 5.2 |
| 2011 🌧️ | 16.0°C | 10.8°C | 5.6°C | 21.9°C | -3.4°C | 192 mm | 87% | 0.1 m/s | 4.4 |
| 2010 | 16.8°C | 11.1°C | 5.3°C | 25.5°C | -3.3°C | 49 mm | 78% | 0.1 m/s | 5.9 |
| 2009 | 14.2°C | 8.7°C | 3.3°C | 23.4°C | -2.9°C | 104 mm | 80% | 0.1 m/s | 5 |
| 2008 | 14.2°C | 8.9°C | 3.5°C | 19.9°C | -5.7°C | 48 mm | 78% | 0.1 m/s | 5.6 |
| 2007 | 14.9°C | 9.0°C | 3.1°C | 26.4°C | -2.4°C | 103 mm | 81% | 0.1 m/s | 5.6 |
| 2006 | 15.6°C | 10.9°C | 6.2°C | 26.7°C | -1.7°C | 130 mm | 86% | 0.1 m/s | 4.5 |
| 2005 | 12.0°C | 7.3°C | 2.6°C | 21.9°C | -3.8°C | 83 mm | 83% | 0.1 m/s | 4.5 |
| 2004 | 15.8°C | 9.9°C | 4.1°C | 24.6°C | -4.0°C | 108 mm | 80% | 0.1 m/s | 5.2 |
| 2003 | 15.2°C | 9.2°C | 3.1°C | 24.2°C | -4.8°C | 83 mm | 80% | 0.1 m/s | 5 |
| 2002 | 13.6°C | 8.2°C | 2.7°C | 22.7°C | -2.7°C | 78 mm | 78% | 0.1 m/s | 4.7 |
| 2001 | 18.1°C | 11.4°C | 4.7°C | 24.6°C | -1.0°C | 58 mm | 78% | 0.1 m/s | 5.7 |
| 2000 | 14.3°C | 8.8°C | 3.4°C | 23.6°C | -3.8°C | 125 mm | 82% | 0.1 m/s | 4.8 |
| 1999 | 18.8°C | 12.5°C | 6.1°C | 27.1°C | -2.7°C | 57 mm | 77% | 0.1 m/s | 6.2 |
| 1998 🔥 | 18.7°C | 12.9°C | 7.0°C | 24.3°C | 1.7°C | 57 mm | 80% | 0.1 m/s | 5.7 |
| 1997 ❄️ | 11.1°C | 6.6°C | 2.1°C | 20.3°C | -4.4°C | 97 mm | 85% | 0.1 m/s | 4.4 |
| 1996 | 13.5°C | 8.2°C | 2.9°C | 23.1°C | -3.5°C | 138 mm | 80% | 0.1 m/s | 5.5 |
| 1995 | 14.8°C | 9.3°C | 3.8°C | 21.0°C | -5.0°C | 105 mm | 81% | 0.1 m/s | 4.8 |
| 1994 | 13.7°C | 8.4°C | 3.1°C | 24.5°C | -3.3°C | 112 mm | 83% | 0.1 m/s | 5.1 |
| 1993 | 15.4°C | 10.1°C | 4.9°C | 20.5°C | -0.4°C | 88 mm | 81% | 0.1 m/s | 4.6 |
| 1992 | 15.8°C | 9.5°C | 3.1°C | 24.1°C | -3.6°C | 41 mm | 77% | 0.1 m/s | 6 |
| 1991 | 16.4°C | 10.6°C | 4.8°C | 24.3°C | -0.5°C | 106 mm | 81% | 0.1 m/s | 5.3 |
| 1990 | 13.6°C | 8.1°C | 2.7°C | 21.7°C | -2.2°C | 93 mm | 80% | 0.1 m/s | 5 |
| 1989 | 16.7°C | 11.7°C | 6.8°C | 25.2°C | 0.6°C | 120 mm | 84% | 0.1 m/s | 4.5 |
| 1988 | 16.2°C | 10.4°C | 4.7°C | 22.3°C | -2.3°C | 55 mm | 81% | 0.1 m/s | 5.1 |
| 1987 | 15.4°C | 9.0°C | 2.7°C | 24.6°C | -5.2°C | 104 mm | 79% | 0.1 m/s | 5.4 |
| 1986 | 16.1°C | 10.5°C | 4.9°C | 24.7°C | -5.1°C | 126 mm | 82% | 0.1 m/s | 5 |
| 1985 | 14.3°C | 8.5°C | 2.7°C | 23.0°C | -5.3°C | 81 mm | 81% | 0.1 m/s | 5.5 |
| 1984 | 12.6°C | 8.0°C | 3.3°C | 23.9°C | -2.2°C | 174 mm | 83% | 0.1 m/s | 4.1 |
| 1983 | 13.3°C | 8.6°C | 3.8°C | 19.7°C | -2.2°C | 154 mm | 85% | 0.1 m/s | — |
| 1982 | 16.5°C | 10.3°C | 4.2°C | 25.1°C | -1.9°C | 59 mm | 80% | 0.1 m/s | — |
| 1981 | 16.0°C | 10.2°C | 4.4°C | 23.5°C | -5.2°C | 102 mm | 83% | 0.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.4°C with lows near 4.3°C (mean 9.9°C), based on 45 years of NASA POWER data.
May averages 99 mm of rainfall in Saint-Georges, about average for rainfall. The wettest on record was 192 mm in 2011.
The hottest May reached 28.5°C in 2020. The coldest dipped to -5.7°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.7°C. Daytime highs moved from 14.5°C to 16.5°C and overnight lows from 3.7°C to 5°C over the same span.
May is one of the warmer months of the year in Saint-Georges and about average for rainfall, so plan for around 15.4°C daytime highs and 4.3°C at night.
Not quite — May is the 8th coolest month in Saint-Georges, averaging 9.9°C.
For May in Saint-Georges, pack warm layers and a jacket for chilly mornings, with typical highs of 15.4°C and lows of 4.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 81% — quite humid.
Average wind speed in May is 0.1 m/s. The windiest May on record averaged 0.1 m/s (1981).
The wettest May on record was 2011 with 192 mm. On average, May sees 99 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 Saint-Georges 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.
