May is one of the warmer months of the year in Port Charlotte, with average highs near 31.8°C and lows around 20.9°C (mean 26.4°C). It is one of the drier months, averaging 87 mm of rainfall and 68% relative humidity across the period.
May is one of the warmer months of the year in Port Charlotte. Across 45 years of records, the warmest May in Port Charlotte was 2024 — when the month averaged 29.2°C — while the coldest was 1983 at 24°C. Typical May days reach 31.8°C with nights near 20.9°C. The long-term trend is warming, about 0.4°C per decade.
May is one of the drier months in Port Charlotte, averaging 87 mm of rainfall. The wettest May on record was 2018 with 320 mm, while the driest was 2004 at 23 mm.
Relative humidity in Port Charlotte during May averages 68%. The most humid May was 2018 at 80%, and the least humid was 1981 at 58%.
May receives about 6.9 kWh/m²/day of solar energy in Port Charlotte. The sunniest May was 2015 at 7.5 kWh/m²/day, and the cloudiest was 2018 at 5.7.
Average wind speed in Port Charlotte during May is 2.3 m/s. The windiest May was 2007 at 3.1 m/s, while the calmest was 2025 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.6°C | 25.8°C | 26.6°C | 26.5°C | 27.5°C | +1.9°C |
| Avg High | 31.3°C | 31.0°C | 32.3°C | 31.8°C | 33.0°C | +1.7°C |
| Avg Low | 20.0°C | 20.7°C | 20.9°C | 21.2°C | 22.0°C | +2°C |
| Avg Rain | 72 mm | 87 mm | 72 mm | 112 mm | 95 mm | +23 mm |
May temperatures in Port Charlotte have risen by about 2.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 11.9°C (1992) to a record high of 37.7°C (1989).
Rainfall in May is one of the drier months, averaging 87 mm, with a wettest year of 320 mm.
A good time to visit Port Charlotte
May is a good time to visit Port Charlotte, with days averaging 31.8°C and nights around 20.9°C (mean 26.4°C, warmer than Port Charlotte's yearly average) and higher rainfall. November and April 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 | 33.4°C | 28.4°C | 23.4°C | 36.4°C | 19.3°C | 112 mm | 68% | 1.7 m/s | 6.9 |
| 2024 🔥 | 35.0°C | 29.2°C | 23.4°C | 37.7°C | 20.3°C | 40 mm | 66% | 2.1 m/s | 7.1 |
| 2023 | 32.4°C | 26.8°C | 21.3°C | 35.2°C | 17.9°C | 120 mm | 67% | 2 m/s | 7.3 |
| 2022 | 32.5°C | 27.2°C | 21.9°C | 35.7°C | 17.8°C | 101 mm | 69% | 2.2 m/s | 7.2 |
| 2021 | 33.5°C | 27.5°C | 21.5°C | 35.2°C | 17.0°C | 24 mm | 61% | 2.6 m/s | 7.4 |
| 2020 | 30.9°C | 25.9°C | 20.8°C | 34.6°C | 14.4°C | 171 mm | 71% | 2.4 m/s | 6.8 |
| 2019 | 32.3°C | 27.0°C | 21.7°C | 36.1°C | 17.9°C | 108 mm | 71% | 2.2 m/s | 7.1 |
| 2018 🌧️ | 28.9°C | 25.0°C | 21.1°C | 33.3°C | 17.8°C | 320 mm | 80% | 2.6 m/s | 5.7 |
| 2017 | 33.2°C | 27.4°C | 21.5°C | 36.3°C | 14.8°C | 75 mm | 65% | 2.6 m/s | 7.2 |
| 2016 | 30.0°C | 25.1°C | 20.3°C | 32.7°C | 13.8°C | 189 mm | 73% | 1.9 m/s | 7.1 |
| 2015 | 32.6°C | 27.0°C | 21.3°C | 35.2°C | 16.8°C | 54 mm | 66% | 2.3 m/s | 7.5 |
| 2014 | 31.7°C | 26.1°C | 20.6°C | 35.4°C | 16.0°C | 98 mm | 68% | 2.3 m/s | 7.1 |
| 2013 | 30.8°C | 25.4°C | 20.0°C | 34.8°C | 15.6°C | 88 mm | 67% | 2.3 m/s | 6.9 |
| 2012 | 32.6°C | 27.2°C | 21.8°C | 35.5°C | 19.8°C | 75 mm | 66% | 2.2 m/s | 6.8 |
| 2011 | 33.9°C | 27.6°C | 21.3°C | 36.7°C | 16.2°C | 40 mm | 58% | 2.3 m/s | 7.3 |
| 2010 | 32.1°C | 27.0°C | 21.9°C | 33.9°C | 20.3°C | 69 mm | 71% | 2.2 m/s | 7.2 |
| 2009 | 30.9°C | 26.2°C | 21.6°C | 36.5°C | 18.9°C | 194 mm | 72% | 2 m/s | 6.6 |
| 2008 | 32.9°C | 26.9°C | 20.9°C | 35.8°C | 15.7°C | 33 mm | 64% | 2.6 m/s | 7.3 |
| 2007 | 31.9°C | 26.1°C | 20.2°C | 35.3°C | 15.1°C | 45 mm | 61% | 3.1 m/s | 7 |
| 2006 | 32.6°C | 26.5°C | 20.4°C | 35.4°C | 16.2°C | 39 mm | 62% | 2.1 m/s | 6.8 |
| 2005 | 30.5°C | 25.4°C | 20.3°C | 34.4°C | 14.5°C | 131 mm | 73% | 2 m/s | 6.6 |
| 2004 | 32.6°C | 26.6°C | 20.6°C | 37.1°C | 15.9°C | 23 mm | 64% | 2.5 m/s | 7 |
| 2003 | 31.9°C | 27.1°C | 22.2°C | 34.3°C | 19.1°C | 106 mm | 72% | 1.8 m/s | 7 |
| 2002 | 33.9°C | 27.7°C | 21.5°C | 37.2°C | 17.8°C | 72 mm | 63% | 2.6 m/s | 7.2 |
| 2001 | 32.1°C | 26.0°C | 19.9°C | 36.1°C | 17.0°C | 56 mm | 63% | 2.5 m/s | 7 |
| 2000 | 34.2°C | 27.7°C | 21.2°C | 37.4°C | 16.1°C | 23 mm | 58% | 2.4 m/s | 7.3 |
| 1999 | 31.5°C | 25.9°C | 20.3°C | 35.3°C | 12.3°C | 83 mm | 66% | 2.1 m/s | 7.2 |
| 1998 | 31.3°C | 25.7°C | 20.2°C | 34.6°C | 15.5°C | 61 mm | 71% | 2 m/s | 6.6 |
| 1997 | 30.8°C | 25.8°C | 20.8°C | 33.7°C | 14.8°C | 97 mm | 72% | 2.2 m/s | 6.5 |
| 1996 | 30.4°C | 25.6°C | 20.8°C | 32.3°C | 16.7°C | 136 mm | 76% | 2.3 m/s | 6.9 |
| 1995 | 32.3°C | 27.2°C | 22.0°C | 34.3°C | 18.7°C | 51 mm | 72% | 2.1 m/s | 7.1 |
| 1994 | 31.4°C | 26.3°C | 21.1°C | 34.2°C | 14.5°C | 56 mm | 67% | 2 m/s | 7 |
| 1993 | 29.6°C | 24.3°C | 19.0°C | 31.8°C | 15.0°C | 70 mm | 72% | 2.6 m/s | 7 |
| 1992 | 30.4°C | 24.4°C | 18.4°C | 33.6°C | 11.9°C | 33 mm | 66% | 2.4 m/s | 6.8 |
| 1991 | 30.1°C | 26.2°C | 22.3°C | 33.0°C | 20.3°C | 184 mm | 78% | 2.2 m/s | 6.1 |
| 1990 | 32.3°C | 27.1°C | 21.9°C | 36.2°C | 19.3°C | 95 mm | 68% | 2.5 m/s | 6.2 |
| 1989 | 33.7°C | 27.3°C | 20.8°C | 37.7°C | 14.8°C | 32 mm | 58% | 2.4 m/s | 6.9 |
| 1988 | 30.6°C | 24.9°C | 19.2°C | 35.0°C | 15.4°C | 43 mm | 66% | 2.4 m/s | 6.4 |
| 1987 | 30.1°C | 25.0°C | 19.9°C | 32.5°C | 15.5°C | 107 mm | 72% | 2.3 m/s | 6.9 |
| 1986 | 32.0°C | 26.0°C | 20.0°C | 36.2°C | 16.5°C | 72 mm | 64% | 2.5 m/s | 6.5 |
| 1985 | 32.6°C | 26.8°C | 21.0°C | 36.0°C | 18.2°C | 45 mm | 62% | 2 m/s | 6.9 |
| 1984 | 29.4°C | 24.8°C | 20.2°C | 32.5°C | 15.0°C | 118 mm | 74% | 2.4 m/s | 6.3 |
| 1983 ❄️ | 29.4°C | 24.0°C | 18.7°C | 32.5°C | 14.2°C | 40 mm | 74% | 2.4 m/s | — |
| 1982 | 29.9°C | 24.8°C | 19.6°C | 32.7°C | 16.5°C | 131 mm | 70% | 2.7 m/s | — |
| 1981 | 33.9°C | 27.1°C | 20.3°C | 37.5°C | 15.4°C | 60 mm | 58% | 2.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 31.8°C with lows near 20.9°C (mean 26.4°C), based on 45 years of NASA POWER data.
May averages 87 mm of rainfall in Port Charlotte, one of the drier months. The wettest on record was 320 mm in 2018.
The hottest May reached 37.7°C in 1989. The coldest dipped to 11.9°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 2.3°C. Daytime highs moved from 31°C to 33.4°C and overnight lows from 20°C to 22.3°C over the same span.
May is one of the warmer months of the year in Port Charlotte and one of the drier months, so plan for around 31.8°C daytime highs and 20.9°C at night.
Not quite — May is the 8th coolest month in Port Charlotte, averaging 26.4°C.
For May in Port Charlotte, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 20.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 68% — moderately humid.
Average wind speed in May is 2.3 m/s. The windiest May on record averaged 3.1 m/s (2007).
The wettest May on record was 2018 with 320 mm. On average, May sees 87 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 Port Charlotte 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.
