May is one of the warmer months of the year in Saint Cloud, with average highs near 32.1°C and lows around 20.3°C (mean 26.2°C). It is one of the drier months, averaging 91 mm of rainfall and 66% relative humidity across the period.
May is one of the warmer months of the year in Saint Cloud. Across 45 years of records, the warmest May in Saint Cloud was 2024 — when the month averaged 29.3°C — while the coldest was 1982 at 24.2°C. Typical May days reach 32.1°C with nights near 20.3°C. The long-term trend is warming, about 0.4°C per decade.
May is one of the drier months in Saint Cloud, averaging 91 mm of rainfall. The wettest May on record was 2009 with 283 mm, while the driest was 2000 at 19 mm.
Relative humidity in Saint Cloud during May averages 66%. The most humid May was 2018 at 80%, and the least humid was 1981 at 55%.
May receives about 6.5 kWh/m²/day of solar energy in Saint Cloud. The sunniest May was 2011 at 7.1 kWh/m²/day, and the cloudiest was 2018 at 5.2.
Average wind speed in Saint Cloud during May is 2.4 m/s. The windiest May was 2007 at 3.1 m/s, while the calmest was 2025 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.5°C | 25.9°C | 26.4°C | 26.1°C | 27.5°C | +2°C |
| Avg High | 31.6°C | 31.5°C | 32.5°C | 31.8°C | 33.5°C | +1.9°C |
| Avg Low | 19.5°C | 20.2°C | 20.4°C | 20.4°C | 21.4°C | +1.9°C |
| Avg Rain | 83 mm | 91 mm | 81 mm | 113 mm | 86 mm | +3 mm |
May temperatures in Saint Cloud have risen by about 2.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 9.9°C (1992) to a record high of 39.7°C (2000).
Rainfall in May is one of the drier months, averaging 91 mm, with a wettest year of 283 mm.
A good time to visit Saint Cloud
May is a good time to visit Saint Cloud, with days averaging 32.1°C and nights around 20.3°C (mean 26.2°C, warmer than Saint Cloud's yearly average) and higher rainfall. April and November 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 | 34.5°C | 28.7°C | 22.9°C | 38.6°C | 18.6°C | 138 mm | 65% | 1.8 m/s | 6.2 |
| 2024 🔥 | 36.0°C | 29.3°C | 22.6°C | 39.4°C | 19.3°C | 43 mm | 61% | 2.3 m/s | 6.7 |
| 2023 | 32.1°C | 26.2°C | 20.3°C | 35.8°C | 15.9°C | 99 mm | 68% | 2.2 m/s | 6.6 |
| 2022 | 33.6°C | 27.5°C | 21.4°C | 36.4°C | 17.2°C | 75 mm | 66% | 2.3 m/s | 6.6 |
| 2021 | 33.2°C | 27.1°C | 20.9°C | 36.7°C | 16.2°C | 30 mm | 61% | 2.7 m/s | 7 |
| 2020 | 31.7°C | 25.9°C | 20.1°C | 36.2°C | 13.6°C | 131 mm | 67% | 2.6 m/s | 6.5 |
| 2019 | 32.5°C | 26.7°C | 20.9°C | 37.0°C | 17.4°C | 114 mm | 71% | 2.3 m/s | 6.7 |
| 2018 | 28.9°C | 24.9°C | 20.8°C | 34.1°C | 17.7°C | 249 mm | 80% | 2.5 m/s | 5.2 |
| 2017 | 34.3°C | 27.5°C | 20.8°C | 38.2°C | 13.3°C | 77 mm | 61% | 2.7 m/s | 6.8 |
| 2016 | 30.1°C | 24.8°C | 19.4°C | 33.9°C | 11.9°C | 229 mm | 73% | 2 m/s | 6.7 |
| 2015 | 31.9°C | 26.3°C | 20.7°C | 35.1°C | 15.1°C | 45 mm | 68% | 2.4 m/s | 6.8 |
| 2014 | 31.2°C | 25.6°C | 20.0°C | 35.9°C | 14.9°C | 93 mm | 69% | 2.4 m/s | 6.5 |
| 2013 | 30.0°C | 24.6°C | 19.2°C | 34.6°C | 12.7°C | 131 mm | 70% | 2.5 m/s | 6.4 |
| 2012 | 32.9°C | 27.0°C | 21.0°C | 35.8°C | 18.8°C | 94 mm | 66% | 2.3 m/s | 6.2 |
| 2011 | 33.8°C | 27.0°C | 20.2°C | 37.2°C | 16.1°C | 33 mm | 61% | 2.5 m/s | 7.1 |
| 2010 | 32.8°C | 27.0°C | 21.3°C | 34.7°C | 19.6°C | 64 mm | 70% | 2.4 m/s | 6.6 |
| 2009 🌧️ | 30.7°C | 26.0°C | 21.4°C | 38.5°C | 17.9°C | 283 mm | 74% | 2.1 m/s | 5.8 |
| 2008 | 33.0°C | 26.7°C | 20.4°C | 36.5°C | 14.9°C | 35 mm | 63% | 2.9 m/s | 6.7 |
| 2007 | 31.4°C | 25.6°C | 19.7°C | 35.7°C | 14.2°C | 36 mm | 62% | 3.1 m/s | 6.4 |
| 2006 | 33.5°C | 26.7°C | 20.0°C | 36.9°C | 15.6°C | 38 mm | 58% | 2.2 m/s | 6.6 |
| 2005 | 30.5°C | 25.0°C | 19.5°C | 35.7°C | 13.6°C | 131 mm | 72% | 2.2 m/s | 6.1 |
| 2004 | 33.1°C | 26.7°C | 20.2°C | 38.7°C | 15.5°C | 25 mm | 62% | 2.7 m/s | 6.9 |
| 2003 | 32.8°C | 27.3°C | 21.9°C | 36.2°C | 18.8°C | 81 mm | 68% | 2 m/s | 6.4 |
| 2002 | 33.7°C | 27.4°C | 21.1°C | 38.7°C | 17.9°C | 67 mm | 63% | 3 m/s | 6.6 |
| 2001 | 31.5°C | 25.5°C | 19.6°C | 36.3°C | 16.9°C | 95 mm | 64% | 2.4 m/s | 6.6 |
| 2000 | 34.6°C | 27.5°C | 20.5°C | 39.7°C | 16.2°C | 19 mm | 56% | 2.6 m/s | 6.9 |
| 1999 | 30.8°C | 25.0°C | 19.2°C | 34.9°C | 10.5°C | 130 mm | 69% | 2.3 m/s | 6.4 |
| 1998 | 32.3°C | 26.1°C | 20.0°C | 36.9°C | 14.0°C | 48 mm | 69% | 2.2 m/s | 6.6 |
| 1997 | 30.6°C | 25.4°C | 20.2°C | 33.6°C | 15.0°C | 105 mm | 71% | 2.3 m/s | 6.3 |
| 1996 | 31.2°C | 25.9°C | 20.5°C | 34.5°C | 16.1°C | 107 mm | 73% | 2.4 m/s | 6.4 |
| 1995 | 33.6°C | 27.7°C | 21.7°C | 37.3°C | 18.3°C | 63 mm | 67% | 2.4 m/s | 6.8 |
| 1994 | 31.7°C | 26.0°C | 20.3°C | 36.3°C | 13.5°C | 74 mm | 66% | 2.1 m/s | 6.5 |
| 1993 | 30.9°C | 24.9°C | 18.9°C | 34.6°C | 14.9°C | 68 mm | 66% | 2.8 m/s | 6.1 |
| 1992 | 30.9°C | 24.5°C | 18.1°C | 35.0°C | 9.9°C | 54 mm | 64% | 2.4 m/s | 6.7 |
| 1991 | 29.9°C | 25.8°C | 21.7°C | 32.6°C | 18.7°C | 185 mm | 79% | 2.3 m/s | 5.7 |
| 1990 | 33.3°C | 27.4°C | 21.5°C | 37.4°C | 18.8°C | 71 mm | 64% | 2.6 m/s | 6.3 |
| 1989 | 33.5°C | 26.6°C | 19.8°C | 37.5°C | 13.0°C | 48 mm | 59% | 2.3 m/s | 6.8 |
| 1988 | 31.1°C | 24.9°C | 18.8°C | 36.7°C | 14.1°C | 64 mm | 62% | 2.5 m/s | 6.1 |
| 1987 | 30.3°C | 25.1°C | 19.9°C | 33.3°C | 14.3°C | 90 mm | 71% | 2.5 m/s | 6.2 |
| 1986 | 32.8°C | 26.3°C | 19.8°C | 37.0°C | 15.9°C | 33 mm | 60% | 2.8 m/s | 6.6 |
| 1985 | 32.5°C | 26.2°C | 19.9°C | 37.2°C | 17.3°C | 68 mm | 61% | 2.3 m/s | 6.7 |
| 1984 | 30.4°C | 25.1°C | 19.9°C | 35.1°C | 13.7°C | 153 mm | 69% | 2.5 m/s | 5.8 |
| 1983 | 30.6°C | 24.6°C | 18.6°C | 34.2°C | 12.3°C | 55 mm | 68% | 2.6 m/s | — |
| 1982 ❄️ | 29.2°C | 24.2°C | 19.1°C | 32.8°C | 15.7°C | 170 mm | 72% | 2.4 m/s | — |
| 1981 | 34.3°C | 26.9°C | 19.6°C | 38.2°C | 15.8°C | 68 mm | 55% | 2.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 32.1°C with lows near 20.3°C (mean 26.2°C), based on 45 years of NASA POWER data.
May averages 91 mm of rainfall in Saint Cloud, one of the drier months. The wettest on record was 283 mm in 2009.
The hottest May reached 39.7°C in 2000. The coldest dipped to 9.9°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 2.4°C. Daytime highs moved from 31.4°C to 33.9°C and overnight lows from 19.4°C to 21.6°C over the same span.
May is one of the warmer months of the year in Saint Cloud and one of the drier months, so plan for around 32.1°C daytime highs and 20.3°C at night.
Not quite — May is the 8th coolest month in Saint Cloud, averaging 26.2°C.
For May in Saint Cloud, pack light, breathable clothing and sun protection, with typical highs of 32.1°C and lows of 20.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 66% — moderately humid.
Average wind speed in May is 2.4 m/s. The windiest May on record averaged 3.1 m/s (2007).
The wettest May on record was 2009 with 283 mm. On average, May sees 91 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 Cloud 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.
