May is one of the warmer months of the year in Cape Coral, with average highs near 30.1°C and lows around 22°C (mean 26.1°C). It is one of the drier months, averaging 91 mm of rainfall and 72% relative humidity across the period.
May is one of the warmer months of the year in Cape Coral. Across 45 years of records, the warmest May in Cape Coral was 2024 — when the month averaged 28.4°C — while the coldest was 1992 at 23.8°C. Typical May days reach 30.1°C with nights near 22°C. The long-term trend is warming, about 0.3°C per decade.
May is one of the drier months in Cape Coral, averaging 91 mm of rainfall. The wettest May on record was 2018 with 357 mm, while the driest was 2004 at 25 mm.
Relative humidity in Cape Coral during May averages 72%. The most humid May was 2018 at 82%, and the least humid was 1989 at 63%.
May receives about 6.5 kWh/m²/day of solar energy in Cape Coral. The sunniest May was 2024 at 7 kWh/m²/day, and the cloudiest was 2018 at 5.
Average wind speed in Cape Coral during May is 2.6 m/s. The windiest May was 2007 at 3.3 m/s, while the calmest was 2003 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.5°C | 25.7°C | 26.2°C | 26.2°C | 27.1°C | +1.6°C |
| Avg High | 29.7°C | 29.6°C | 30.5°C | 30.1°C | 30.9°C | +1.2°C |
| Avg Low | 21.2°C | 21.9°C | 22.0°C | 22.3°C | 23.2°C | +2°C |
| Avg Rain | 68 mm | 86 mm | 74 mm | 121 mm | 108 mm | +40 mm |
May temperatures in Cape Coral have risen by about 1.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 13.9°C (1992) to a record high of 35.6°C (1989).
Rainfall in May is one of the drier months, averaging 91 mm, with a wettest year of 357 mm.
A good time to visit Cape Coral
May is a good time to visit Cape Coral, with days averaging 30.1°C and nights around 22°C (mean 26.1°C, warmer than Cape Coral's yearly average) and higher rainfall. November and March 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 | 31.3°C | 27.9°C | 24.5°C | 33.0°C | 20.7°C | 117 mm | 73% | 2 m/s | 6.5 |
| 2024 🔥 | 32.4°C | 28.4°C | 24.4°C | 34.5°C | 21.2°C | 50 mm | 73% | 2.3 m/s | 7 |
| 2023 | 30.5°C | 26.5°C | 22.4°C | 32.8°C | 19.0°C | 117 mm | 72% | 2.2 m/s | 6.8 |
| 2022 | 30.5°C | 26.8°C | 23.0°C | 32.8°C | 19.0°C | 120 mm | 73% | 2.4 m/s | 6.5 |
| 2021 | 31.4°C | 27.0°C | 22.5°C | 32.6°C | 18.7°C | 28 mm | 67% | 2.9 m/s | 6.9 |
| 2020 | 29.5°C | 25.8°C | 22.1°C | 32.0°C | 16.8°C | 218 mm | 75% | 2.7 m/s | 6.3 |
| 2019 | 30.7°C | 26.8°C | 22.9°C | 33.8°C | 19.5°C | 122 mm | 75% | 2.4 m/s | 6.8 |
| 2018 🌧️ | 27.8°C | 24.9°C | 22.0°C | 30.8°C | 19.0°C | 357 mm | 82% | 3 m/s | 5 |
| 2017 | 30.9°C | 26.7°C | 22.6°C | 33.5°C | 16.9°C | 79 mm | 70% | 2.8 m/s | 6.9 |
| 2016 | 28.8°C | 25.3°C | 21.7°C | 31.1°C | 15.7°C | 184 mm | 75% | 2.2 m/s | 6.7 |
| 2015 | 30.8°C | 26.6°C | 22.3°C | 32.5°C | 18.3°C | 67 mm | 71% | 2.5 m/s | 6.8 |
| 2014 | 30.3°C | 26.0°C | 21.8°C | 32.8°C | 17.1°C | 88 mm | 71% | 2.7 m/s | 6.7 |
| 2013 | 29.1°C | 25.2°C | 21.2°C | 32.4°C | 17.0°C | 113 mm | 72% | 2.6 m/s | 6.3 |
| 2012 | 30.5°C | 26.7°C | 22.9°C | 33.2°C | 20.8°C | 92 mm | 71% | 2.3 m/s | 6.2 |
| 2011 | 31.9°C | 27.4°C | 22.8°C | 34.5°C | 20.0°C | 46 mm | 64% | 2.5 m/s | 6.9 |
| 2010 | 30.2°C | 26.5°C | 22.7°C | 31.8°C | 21.4°C | 67 mm | 75% | 2.4 m/s | 6.7 |
| 2009 | 29.8°C | 26.2°C | 22.6°C | 33.6°C | 20.0°C | 202 mm | 74% | 2.3 m/s | 6.1 |
| 2008 | 31.2°C | 26.6°C | 22.0°C | 33.5°C | 17.4°C | 31 mm | 67% | 2.8 m/s | 6.7 |
| 2007 | 30.3°C | 25.7°C | 21.2°C | 32.7°C | 16.3°C | 53 mm | 67% | 3.3 m/s | 6.4 |
| 2006 | 30.1°C | 25.8°C | 21.4°C | 32.6°C | 17.2°C | 47 mm | 69% | 2.4 m/s | 6.6 |
| 2005 | 29.1°C | 25.3°C | 21.5°C | 32.0°C | 16.2°C | 107 mm | 75% | 2.2 m/s | 6.2 |
| 2004 | 30.0°C | 25.7°C | 21.5°C | 33.3°C | 17.3°C | 25 mm | 71% | 2.8 m/s | 6.7 |
| 2003 | 30.2°C | 26.8°C | 23.5°C | 31.8°C | 20.8°C | 115 mm | 76% | 1.9 m/s | 6.4 |
| 2002 | 31.8°C | 27.1°C | 22.4°C | 34.3°C | 19.3°C | 72 mm | 68% | 2.8 m/s | 6.5 |
| 2001 | 30.3°C | 25.6°C | 21.0°C | 33.5°C | 17.9°C | 60 mm | 67% | 2.7 m/s | 6.2 |
| 2000 | 32.0°C | 27.2°C | 22.4°C | 34.8°C | 17.5°C | 30 mm | 63% | 2.5 m/s | 6.7 |
| 1999 | 29.9°C | 25.7°C | 21.6°C | 32.9°C | 15.3°C | 75 mm | 70% | 2.3 m/s | 6.6 |
| 1998 | 30.1°C | 25.8°C | 21.6°C | 32.7°C | 18.0°C | 62 mm | 73% | 2.3 m/s | 6.6 |
| 1997 | 29.8°C | 26.0°C | 22.1°C | 32.5°C | 16.8°C | 94 mm | 73% | 2.5 m/s | 6.2 |
| 1996 | 29.2°C | 25.6°C | 22.1°C | 30.4°C | 18.3°C | 126 mm | 78% | 2.6 m/s | 6.1 |
| 1995 | 30.6°C | 26.9°C | 23.3°C | 32.0°C | 20.8°C | 60 mm | 75% | 2.3 m/s | 6.6 |
| 1994 | 29.9°C | 26.0°C | 22.2°C | 31.8°C | 16.3°C | 49 mm | 71% | 2.3 m/s | 6.7 |
| 1993 | 28.0°C | 24.1°C | 20.2°C | 29.6°C | 16.6°C | 74 mm | 76% | 3 m/s | 6.3 |
| 1992 ❄️ | 28.2°C | 23.8°C | 19.3°C | 31.9°C | 13.9°C | 27 mm | 72% | 2.6 m/s | 6.9 |
| 1991 | 29.5°C | 26.4°C | 23.4°C | 31.7°C | 21.5°C | 198 mm | 78% | 2.7 m/s | 5.7 |
| 1990 | 30.6°C | 26.8°C | 22.9°C | 33.3°C | 20.6°C | 99 mm | 72% | 2.9 m/s | 5.9 |
| 1989 | 31.8°C | 27.0°C | 22.2°C | 35.6°C | 16.8°C | 29 mm | 63% | 2.6 m/s | 6.8 |
| 1988 | 28.9°C | 24.6°C | 20.3°C | 32.2°C | 16.8°C | 44 mm | 71% | 2.6 m/s | 6.1 |
| 1987 | 29.0°C | 25.0°C | 21.1°C | 30.7°C | 17.9°C | 107 mm | 75% | 2.6 m/s | 6.5 |
| 1986 | 30.2°C | 25.6°C | 21.1°C | 33.9°C | 17.6°C | 70 mm | 69% | 2.8 m/s | 6.3 |
| 1985 | 30.7°C | 26.5°C | 22.2°C | 33.5°C | 19.5°C | 42 mm | 67% | 2.2 m/s | 6.5 |
| 1984 | 28.0°C | 24.7°C | 21.4°C | 30.1°C | 17.0°C | 112 mm | 78% | 2.7 m/s | 5.9 |
| 1983 | 28.2°C | 24.2°C | 20.2°C | 30.1°C | 16.1°C | 33 mm | 76% | 2.7 m/s | — |
| 1982 | 29.1°C | 25.0°C | 20.9°C | 31.4°C | 18.0°C | 129 mm | 71% | 3.2 m/s | — |
| 1981 | 31.7°C | 26.6°C | 21.6°C | 34.4°C | 17.2°C | 47 mm | 63% | 2.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 30.1°C with lows near 22°C (mean 26.1°C), based on 45 years of NASA POWER data.
May averages 91 mm of rainfall in Cape Coral, one of the drier months. The wettest on record was 357 mm in 2018.
The hottest May reached 35.6°C in 1989. The coldest dipped to 13.9°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.9°C. Daytime highs moved from 29.5°C to 31.2°C and overnight lows from 21.3°C to 23.4°C over the same span.
May is one of the warmer months of the year in Cape Coral and one of the drier months, so plan for around 30.1°C daytime highs and 22°C at night.
Not quite — May is the 8th coolest month in Cape Coral, averaging 26.1°C.
For May in Cape Coral, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 72% — moderately humid.
Average wind speed in May is 2.6 m/s. The windiest May on record averaged 3.3 m/s (2007).
The wettest May on record was 2018 with 357 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 Cape Coral 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.
