May is one of the warmer months of the year in Gadsden, with average highs near 26.4°C and lows around 14.7°C (mean 20.5°C). It is about average for rainfall, averaging 115 mm of rainfall and 77% relative humidity across the period.
May is one of the warmer months of the year in Gadsden. Across 45 years of records, the warmest May in Gadsden was 2018 — when the month averaged 23.1°C — while the coldest was 1997 at 18°C. Typical May days reach 26.4°C with nights near 14.7°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Gadsden, averaging 115 mm of rainfall. The wettest May on record was 2003 with 304 mm, while the driest was 2007 at 21 mm.
Relative humidity in Gadsden during May averages 77%. The most humid May was 2009 at 86%, and the least humid was 2007 at 55%.
May receives about 6 kWh/m²/day of solar energy in Gadsden. The sunniest Mays were 2007 and 2019 at 6.8 kWh/m²/day, and the cloudiest was 2009 at 4.7.
Average wind speed in Gadsden during May is 0.4 m/s. The windiest Mays were 1985, 1988 and 1989, among others at 0.5 m/s, while the calmest was 1987 at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.9°C | 20.1°C | 20.8°C | 21.1°C | 20.7°C | +0.8°C |
| Avg High | 26.1°C | 25.9°C | 26.8°C | 26.9°C | 26.1°C | 0°C |
| Avg Low | 13.8°C | 14.4°C | 14.8°C | 15.4°C | 15.1°C | +1.3°C |
| Avg Rain | 117 mm | 104 mm | 123 mm | 105 mm | 131 mm | +15 mm |
May temperatures in Gadsden have risen by about 1.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 3.9°C (2020) to a record high of 35.1°C (2012).
Rainfall in May is about average for rainfall, averaging 115 mm, with a wettest year of 304 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Gadsden
May is one of the best times to visit Gadsden. Expect days averaging 26.4°C and nights around 14.7°C (mean 20.5°C) — warmer than Gadsden's yearly average — with higher rainfall (115 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.5°C | 20.9°C | 16.3°C | 29.9°C | 8.5°C | 262 mm | 85% | 0.4 m/s | 5.3 |
| 2024 | 28.1°C | 22.7°C | 17.2°C | 31.3°C | 11.0°C | 123 mm | 79% | 0.4 m/s | 5.9 |
| 2023 | 25.7°C | 20.2°C | 14.7°C | 31.5°C | 5.5°C | 92 mm | 81% | 0.4 m/s | 5.6 |
| 2022 | 27.7°C | 21.8°C | 15.8°C | 32.1°C | 9.1°C | 93 mm | 78% | 0.4 m/s | 6.2 |
| 2021 | 25.2°C | 19.3°C | 13.5°C | 31.4°C | 7.6°C | 118 mm | 77% | 0.4 m/s | 6.3 |
| 2020 | 24.6°C | 19.0°C | 13.3°C | 29.6°C | 3.9°C | 100 mm | 81% | 0.4 m/s | 6.5 |
| 2019 | 28.4°C | 22.7°C | 17.1°C | 33.3°C | 8.6°C | 82 mm | 79% | 0.4 m/s | 6.8 |
| 2018 🔥 | 28.7°C | 23.1°C | 17.5°C | 32.2°C | 9.2°C | 92 mm | 78% | 0.4 m/s | 6 |
| 2017 | 26.2°C | 20.5°C | 14.7°C | 31.6°C | 5.9°C | 177 mm | 76% | 0.4 m/s | 6.2 |
| 2016 | 26.2°C | 20.2°C | 14.3°C | 32.9°C | 6.4°C | 50 mm | 76% | 0.4 m/s | 6.6 |
| 2015 | 27.0°C | 21.2°C | 15.5°C | 30.7°C | 7.3°C | 94 mm | 78% | 0.4 m/s | 6.3 |
| 2014 | 25.9°C | 20.3°C | 14.7°C | 30.4°C | 7.3°C | 75 mm | 80% | 0.4 m/s | 6.3 |
| 2013 | 24.3°C | 18.9°C | 13.6°C | 29.8°C | 4.5°C | 153 mm | 81% | 0.4 m/s | 5.9 |
| 2012 | 28.6°C | 22.5°C | 16.3°C | 35.1°C | 10.2°C | 87 mm | 73% | 0.4 m/s | 6.3 |
| 2011 | 26.1°C | 19.8°C | 13.5°C | 33.9°C | 4.0°C | 52 mm | 77% | 0.4 m/s | 6.6 |
| 2010 | 27.2°C | 21.9°C | 16.5°C | 31.0°C | 8.6°C | 186 mm | 81% | 0.4 m/s | 6 |
| 2009 | 24.7°C | 20.3°C | 15.9°C | 30.1°C | 6.0°C | 219 mm | 86% | 0.4 m/s | 4.7 |
| 2008 | 25.9°C | 19.9°C | 13.9°C | 30.9°C | 7.7°C | 146 mm | 78% | 0.4 m/s | 6.2 |
| 2007 | 30.2°C | 22.6°C | 15.1°C | 33.9°C | 8.0°C | 21 mm | 55% | 0.4 m/s | 6.8 |
| 2006 | 26.1°C | 20.2°C | 14.2°C | 34.5°C | 7.6°C | 92 mm | 78% | 0.4 m/s | 6.2 |
| 2005 | 24.9°C | 18.8°C | 12.7°C | 30.1°C | 5.3°C | 72 mm | 76% | 0.4 m/s | 6.3 |
| 2004 | 28.9°C | 22.9°C | 16.8°C | 33.7°C | 4.5°C | 107 mm | 72% | 0.4 m/s | 5.9 |
| 2003 🌧️ | 25.6°C | 20.8°C | 16.1°C | 29.5°C | 9.5°C | 304 mm | 85% | 0.4 m/s | 4.9 |
| 2002 | 26.3°C | 20.0°C | 13.6°C | 31.7°C | 5.0°C | 121 mm | 75% | 0.4 m/s | 6.1 |
| 2001 | 25.9°C | 20.0°C | 14.2°C | 29.6°C | 8.4°C | 111 mm | 78% | 0.4 m/s | 6.3 |
| 2000 | 29.4°C | 22.5°C | 15.7°C | 34.6°C | 9.3°C | 37 mm | 69% | 0.4 m/s | 6.4 |
| 1999 | 26.1°C | 19.9°C | 13.7°C | 30.4°C | 6.7°C | 103 mm | 76% | 0.4 m/s | 6.2 |
| 1998 | 28.2°C | 22.2°C | 16.2°C | 32.0°C | 8.2°C | 71 mm | 78% | 0.4 m/s | 6.7 |
| 1997 ❄️ | 23.9°C | 18.0°C | 12.1°C | 29.0°C | 6.1°C | 173 mm | 79% | 0.4 m/s | 5.9 |
| 1996 | 27.5°C | 21.7°C | 15.9°C | 34.4°C | 5.0°C | 63 mm | 79% | 0.4 m/s | 6.6 |
| 1995 | 26.7°C | 20.9°C | 15.2°C | 31.0°C | 7.3°C | 66 mm | 78% | 0.4 m/s | 5.9 |
| 1994 | 24.6°C | 18.7°C | 12.7°C | 29.4°C | 6.9°C | 100 mm | 79% | 0.4 m/s | 6.6 |
| 1993 | 25.0°C | 19.7°C | 14.5°C | 30.9°C | 6.8°C | 128 mm | 80% | 0.4 m/s | 5.6 |
| 1992 | 25.2°C | 19.1°C | 13.1°C | 29.8°C | 6.1°C | 45 mm | 75% | 0.4 m/s | 6 |
| 1991 | 26.3°C | 21.9°C | 17.5°C | 32.0°C | 7.6°C | 186 mm | 86% | 0.4 m/s | 4.8 |
| 1990 | 25.2°C | 19.3°C | 13.5°C | 29.0°C | 7.0°C | 109 mm | 80% | 0.4 m/s | 5.7 |
| 1989 | 24.1°C | 18.4°C | 12.7°C | 32.1°C | 4.7°C | 95 mm | 80% | 0.5 m/s | 5.7 |
| 1988 | 26.9°C | 19.5°C | 12.2°C | 33.9°C | 5.4°C | 65 mm | 65% | 0.5 m/s | 6.3 |
| 1987 | 27.1°C | 21.9°C | 16.8°C | 31.6°C | 10.5°C | 88 mm | 82% | 0.3 m/s | 5.6 |
| 1986 | 28.4°C | 21.7°C | 15.1°C | 33.7°C | 5.2°C | 123 mm | 66% | 0.4 m/s | 5.5 |
| 1985 | 26.0°C | 20.1°C | 14.1°C | 32.3°C | 8.8°C | 117 mm | 76% | 0.5 m/s | 5.8 |
| 1984 | 25.0°C | 19.0°C | 12.9°C | 28.8°C | 6.0°C | 168 mm | 80% | 0.4 m/s | 5.5 |
| 1983 | 24.2°C | 18.6°C | 13.0°C | 27.2°C | 7.0°C | 217 mm | 82% | 0.5 m/s | — |
| 1982 | 26.9°C | 21.2°C | 15.5°C | 30.4°C | 7.9°C | 83 mm | 77% | 0.4 m/s | — |
| 1981 | 26.0°C | 18.9°C | 11.9°C | 33.2°C | 5.0°C | 94 mm | 70% | 0.4 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 26.4°C with lows near 14.7°C (mean 20.5°C), based on 45 years of NASA POWER data.
May averages 115 mm of rainfall in Gadsden, about average for rainfall. The wettest on record was 304 mm in 2003.
The hottest May reached 35.1°C in 2012. The coldest dipped to 3.9°C in 2020.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.4°C. Daytime highs moved from 25.6°C to 26.4°C and overnight lows from 13.5°C to 15.5°C over the same span.
May is one of the warmer months of the year in Gadsden and about average for rainfall, so plan for around 26.4°C daytime highs and 14.7°C at night.
Not quite — May is the 8th coolest month in Gadsden, averaging 20.5°C.
For May in Gadsden, pack light layers you can adjust through the day, with typical highs of 26.4°C and lows of 14.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 77% — quite humid.
Average wind speed in May is 0.4 m/s. The windiest May on record averaged 0.5 m/s (1983).
The wettest May on record was 2003 with 304 mm. On average, May sees 115 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 Gadsden 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.
