May is one of the warmer months of the year in Augusta, with average highs near 28.2°C and lows around 16.1°C (mean 22.2°C). It is one of the drier months, averaging 84 mm of rainfall and 70% relative humidity across the period.
May is one of the warmer months of the year in Augusta. Across 45 years of records, the warmest Mays in Augusta were 2004 and 2019 — when the month averaged 25.3°C — while the coldest was 1992 at 19.6°C. Typical May days reach 28.2°C with nights near 16.1°C. The long-term trend is warming, about 0.3°C per decade.
May is one of the drier months in Augusta, averaging 84 mm of rainfall. The wettest May on record was 2025 with 212 mm, while the driest was 2000 at 19 mm.
Relative humidity in Augusta during May averages 70%. The most humid May was 2003 at 85%, and the least humid was 2000 at 52%.
May receives about 6.1 kWh/m²/day of solar energy in Augusta. The sunniest May was 2015 at 7 kWh/m²/day, and the cloudiest was 2003 at 4.9.
Average wind speed in Augusta during May is 1.7 m/s. The windiest Mays were 2008, 2009 and 2017, among others at 1.9 m/s, while the calmest were 1982 and 1987 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.3°C | 21.7°C | 22.8°C | 22.8°C | 22.0°C | +0.7°C |
| Avg High | 27.6°C | 27.6°C | 29.3°C | 28.6°C | 27.5°C | -0.1°C |
| Avg Low | 15.1°C | 15.8°C | 16.3°C | 17.0°C | 16.5°C | +1.4°C |
| Avg Rain | 75 mm | 71 mm | 74 mm | 96 mm | 112 mm | +38 mm |
May temperatures in Augusta have risen by about 1°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 2.9°C (1992) to a record high of 38.6°C (2019).
Rainfall in May is one of the drier months, averaging 84 mm, with a wettest year of 212 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Augusta
May is one of the best times to visit Augusta. Expect days averaging 28.2°C and nights around 16.1°C (mean 22.2°C) — warmer than Augusta's yearly average — with higher rainfall (84 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 🌧️ | 27.9°C | 22.8°C | 17.6°C | 31.6°C | 11.1°C | 212 mm | 76% | 1.6 m/s | 5.2 |
| 2024 | 28.6°C | 23.5°C | 18.4°C | 34.0°C | 12.6°C | 95 mm | 76% | 1.5 m/s | 5.7 |
| 2023 | 25.0°C | 20.0°C | 15.0°C | 31.6°C | 6.8°C | 118 mm | 77% | 1.7 m/s | 5.4 |
| 2022 | 29.9°C | 23.8°C | 17.7°C | 36.4°C | 9.3°C | 77 mm | 65% | 1.7 m/s | 6.4 |
| 2021 | 28.0°C | 21.6°C | 15.3°C | 34.7°C | 7.5°C | 67 mm | 66% | 1.7 m/s | 6.5 |
| 2020 | 25.7°C | 20.3°C | 15.0°C | 30.5°C | 6.6°C | 105 mm | 80% | 1.6 m/s | 6.4 |
| 2019 | 31.5°C | 25.3°C | 19.0°C | 38.6°C | 11.3°C | 56 mm | 66% | 1.5 m/s | 6.8 |
| 2018 | 29.1°C | 23.7°C | 18.2°C | 36.7°C | 8.5°C | 179 mm | 74% | 1.5 m/s | 5.8 |
| 2017 | 29.4°C | 22.9°C | 16.5°C | 34.8°C | 9.0°C | 119 mm | 68% | 1.9 m/s | 6.2 |
| 2016 | 26.5°C | 21.2°C | 15.9°C | 30.8°C | 8.8°C | 137 mm | 77% | 1.6 m/s | 6.2 |
| 2015 | 28.3°C | 22.4°C | 16.5°C | 32.2°C | 8.9°C | 32 mm | 72% | 1.4 m/s | 7 |
| 2014 | 27.2°C | 21.7°C | 16.3°C | 31.6°C | 9.2°C | 104 mm | 77% | 1.5 m/s | 6.4 |
| 2013 | 25.4°C | 20.0°C | 14.6°C | 30.8°C | 7.5°C | 69 mm | 78% | 1.8 m/s | 6 |
| 2012 | 29.5°C | 23.7°C | 17.9°C | 34.8°C | 12.5°C | 128 mm | 69% | 1.7 m/s | 6 |
| 2011 | 30.5°C | 23.6°C | 16.6°C | 37.5°C | 6.8°C | 50 mm | 63% | 1.6 m/s | 6.7 |
| 2010 | 29.0°C | 23.5°C | 18.0°C | 34.1°C | 10.8°C | 87 mm | 74% | 1.7 m/s | 5.9 |
| 2009 | 26.1°C | 21.5°C | 16.8°C | 31.7°C | 8.1°C | 142 mm | 82% | 1.9 m/s | 5.2 |
| 2008 | 28.2°C | 21.7°C | 15.3°C | 34.7°C | 8.7°C | 67 mm | 69% | 1.9 m/s | 6.6 |
| 2007 | 30.0°C | 22.7°C | 15.3°C | 34.9°C | 8.5°C | 28 mm | 58% | 1.7 m/s | 6.6 |
| 2006 | 29.9°C | 22.9°C | 15.9°C | 36.3°C | 9.2°C | 57 mm | 60% | 1.8 m/s | 6.4 |
| 2005 | 27.1°C | 21.0°C | 14.8°C | 32.6°C | 8.3°C | 72 mm | 69% | 1.6 m/s | 6.2 |
| 2004 🔥 | 32.1°C | 25.3°C | 18.4°C | 37.2°C | 6.3°C | 59 mm | 60% | 1.7 m/s | 6.3 |
| 2003 | 26.3°C | 21.8°C | 17.3°C | 30.3°C | 11.3°C | 146 mm | 85% | 1.7 m/s | 4.9 |
| 2002 | 29.8°C | 22.7°C | 15.5°C | 34.9°C | 7.0°C | 79 mm | 61% | 1.8 m/s | 6.4 |
| 2001 | 30.2°C | 23.1°C | 16.1°C | 35.7°C | 11.6°C | 70 mm | 61% | 1.7 m/s | 6.4 |
| 2000 | 32.8°C | 25.2°C | 17.7°C | 37.5°C | 10.5°C | 19 mm | 52% | 1.9 m/s | 6.8 |
| 1999 | 29.2°C | 22.2°C | 15.2°C | 33.2°C | 6.2°C | 40 mm | 61% | 1.7 m/s | 6.4 |
| 1998 | 28.1°C | 22.9°C | 17.7°C | 31.9°C | 11.4°C | 88 mm | 81% | 1.5 m/s | 6.4 |
| 1997 | 26.7°C | 20.2°C | 13.6°C | 32.2°C | 6.7°C | 57 mm | 67% | 1.9 m/s | 6.1 |
| 1996 | 28.3°C | 22.5°C | 16.7°C | 33.8°C | 5.8°C | 73 mm | 73% | 1.5 m/s | 6.5 |
| 1995 | 29.2°C | 23.0°C | 16.9°C | 34.6°C | 8.4°C | 63 mm | 68% | 1.7 m/s | 6 |
| 1994 | 28.0°C | 21.5°C | 15.0°C | 34.0°C | 9.8°C | 44 mm | 62% | 1.9 m/s | 6.4 |
| 1993 | 26.0°C | 20.6°C | 15.3°C | 29.6°C | 9.3°C | 62 mm | 78% | 1.3 m/s | 5.9 |
| 1992 ❄️ | 25.7°C | 19.6°C | 13.5°C | 32.6°C | 2.9°C | 63 mm | 72% | 1.6 m/s | 5.9 |
| 1991 | 27.4°C | 23.0°C | 18.6°C | 32.6°C | 12.5°C | 140 mm | 84% | 1.5 m/s | 5.2 |
| 1990 | 27.8°C | 21.6°C | 15.4°C | 32.3°C | 8.4°C | 82 mm | 68% | 1.7 m/s | 6 |
| 1989 | 26.0°C | 19.9°C | 13.8°C | 35.0°C | 4.0°C | 78 mm | 71% | 1.8 m/s | 6.2 |
| 1988 | 28.3°C | 21.2°C | 14.2°C | 34.8°C | 9.2°C | 52 mm | 60% | 1.6 m/s | 6.3 |
| 1987 | 27.3°C | 21.8°C | 16.3°C | 31.5°C | 8.7°C | 59 mm | 78% | 1.2 m/s | 6 |
| 1986 | 29.7°C | 22.8°C | 16.0°C | 35.3°C | 7.3°C | 78 mm | 60% | 1.5 m/s | 5.8 |
| 1985 | 29.4°C | 22.6°C | 15.7°C | 35.5°C | 8.4°C | 68 mm | 61% | 1.6 m/s | 6 |
| 1984 | 25.4°C | 19.9°C | 14.5°C | 29.2°C | 7.1°C | 145 mm | 79% | 1.8 m/s | 5.8 |
| 1983 | 25.5°C | 20.0°C | 14.4°C | 28.8°C | 7.7°C | 40 mm | 78% | 1.8 m/s | — |
| 1982 | 27.4°C | 21.9°C | 16.4°C | 31.2°C | 8.2°C | 66 mm | 75% | 1.2 m/s | — |
| 1981 | 29.7°C | 22.0°C | 14.2°C | 36.0°C | 8.4°C | 88 mm | 54% | 1.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 28.2°C with lows near 16.1°C (mean 22.2°C), based on 45 years of NASA POWER data.
May averages 84 mm of rainfall in Augusta, one of the drier months. The wettest on record was 212 mm in 2025.
The hottest May reached 38.6°C in 2019. The coldest dipped to 2.9°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°C. Daytime highs moved from 27.5°C to 27.9°C and overnight lows from 15°C to 16.8°C over the same span.
May is one of the warmer months of the year in Augusta and one of the drier months, so plan for around 28.2°C daytime highs and 16.1°C at night.
Not quite — May is the 8th coolest month in Augusta, averaging 22.2°C.
For May in Augusta, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 16.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 70% — moderately humid.
Average wind speed in May is 1.7 m/s. The windiest May on record averaged 1.9 m/s (1981).
The wettest May on record was 2025 with 212 mm. On average, May sees 84 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 Augusta 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.
