May is one of the cooler months of the year in Charleville, with average highs near 24.4°C and lows around 10.8°C (mean 17.6°C). It is about average for rainfall, averaging 31 mm of rainfall and 54% relative humidity across the period.
May is one of the cooler months of the year in Charleville. Across 45 years of records, the warmest May in Charleville was 2007 — when the month averaged 20.3°C — while the coldest was 2011 at 14.8°C. Typical May days reach 24.4°C with nights near 10.8°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Charleville, averaging 31 mm of rainfall. The wettest May on record was 1989 with 201 mm, while the driest was 2021 at 0 mm.
Relative humidity in Charleville during May averages 54%. The most humid May was 1990 at 78%, and the least humid was 2006 at 38%.
May receives about 4.1 kWh/m²/day of solar energy in Charleville. The sunniest May was 2006 at 4.7 kWh/m²/day, and the cloudiest was 2022 at 3.1.
Average wind speed in Charleville during May is 2.5 m/s. The windiest Mays were 1981 and 1995 at 2.9 m/s, while the calmest were 1998, 2006 and 2008, among others at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.7°C | 17.8°C | 17.6°C | 17.5°C | 17.2°C | -0.5°C |
| Avg High | 24.2°C | 24.4°C | 24.7°C | 24.4°C | 23.9°C | -0.3°C |
| Avg Low | 11.3°C | 11.2°C | 10.4°C | 10.6°C | 10.5°C | -0.8°C |
| Avg Rain | 72 mm | 22 mm | 20 mm | 21 mm | 15 mm | -57 mm |
May temperatures in Charleville have stayed relatively stable across the record.
May has ranged from a record low of 0.5°C (1987) to a record high of 33°C (2007).
Rainfall in May is about average for rainfall, averaging 31 mm, with a wettest year of 201 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows fell 0.2°C per decade, widening the gap between day and night.
One of the best times to visit Charleville
May is one of the best times to visit Charleville. Expect days averaging 24.4°C and nights around 10.8°C (mean 17.6°C) — cooler than Charleville's yearly average — with moderate rainfall (31 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 | 23.8°C | 17.6°C | 11.3°C | 30.6°C | 6.4°C | 6 mm | 64% | 2.5 m/s | 3.9 |
| 2024 | 24.6°C | 17.9°C | 11.3°C | 27.9°C | 3.6°C | 25 mm | 61% | 2.6 m/s | 4 |
| 2023 | 23.2°C | 15.6°C | 8.1°C | 28.1°C | 3.2°C | 6 mm | 46% | 2.3 m/s | 4.6 |
| 2022 | 24.1°C | 18.6°C | 13.1°C | 28.9°C | 8.0°C | 40 mm | 64% | 2.7 m/s | 3.1 |
| 2021 | 24.7°C | 17.3°C | 9.9°C | 29.1°C | 3.2°C | 0 mm | 49% | 2.6 m/s | 4.5 |
| 2020 | 22.8°C | 15.9°C | 9.0°C | 29.3°C | 3.9°C | 13 mm | 53% | 2.5 m/s | 4.1 |
| 2019 | 24.4°C | 17.6°C | 10.9°C | 29.9°C | 2.0°C | 5 mm | 54% | 2.6 m/s | 4.2 |
| 2018 | 24.8°C | 17.5°C | 10.2°C | 28.9°C | 4.5°C | 0 mm | 47% | 2.8 m/s | 4.4 |
| 2017 | 26.2°C | 19.2°C | 12.2°C | 29.4°C | 5.8°C | 27 mm | 50% | 2.4 m/s | 4.2 |
| 2016 | 26.5°C | 19.5°C | 12.5°C | 32.3°C | 5.5°C | 48 mm | 50% | 2.4 m/s | 3.9 |
| 2015 | 24.5°C | 17.3°C | 10.1°C | 30.9°C | 2.7°C | 15 mm | 55% | 2.7 m/s | 4.2 |
| 2014 | 25.6°C | 19.1°C | 12.7°C | 29.3°C | 4.5°C | 0 mm | 51% | 2.7 m/s | 4.1 |
| 2013 | 24.5°C | 17.9°C | 11.2°C | 31.0°C | 4.8°C | 41 mm | 54% | 2.6 m/s | 4 |
| 2012 | 23.5°C | 16.3°C | 9.0°C | 29.6°C | 2.3°C | 36 mm | 55% | 2.5 m/s | 4.1 |
| 2011 ❄️ | 21.5°C | 14.8°C | 8.1°C | 27.5°C | 2.0°C | 15 mm | 60% | 2.4 m/s | 4.1 |
| 2010 | 22.6°C | 16.0°C | 9.4°C | 27.9°C | 4.0°C | 26 mm | 61% | 2.4 m/s | 3.9 |
| 2009 | 24.3°C | 17.5°C | 10.6°C | 26.4°C | 6.9°C | 42 mm | 55% | 2.3 m/s | 3.8 |
| 2008 | 25.1°C | 17.4°C | 9.8°C | 28.3°C | 4.7°C | 1 mm | 45% | 2.2 m/s | 4.4 |
| 2007 🔥 | 27.1°C | 20.3°C | 13.4°C | 33.0°C | 6.2°C | 15 mm | 48% | 2.6 m/s | 4.2 |
| 2006 | 24.1°C | 16.3°C | 8.4°C | 27.9°C | 2.5°C | 1 mm | 38% | 2.2 m/s | 4.7 |
| 2005 | 24.7°C | 17.6°C | 10.5°C | 29.1°C | 3.8°C | 53 mm | 48% | 2.4 m/s | 4.1 |
| 2004 | 24.5°C | 17.3°C | 10.1°C | 29.5°C | 4.0°C | 14 mm | 49% | 2.4 m/s | 4.2 |
| 2003 | 25.3°C | 18.7°C | 12.0°C | 31.8°C | 8.0°C | 9 mm | 52% | 2.5 m/s | 4.1 |
| 2002 | 24.9°C | 17.7°C | 10.5°C | 29.3°C | 3.7°C | 2 mm | 44% | 2.6 m/s | 4.3 |
| 2001 | 24.2°C | 16.6°C | 9.0°C | 31.0°C | 4.0°C | 1 mm | 45% | 2.4 m/s | 4.6 |
| 2000 | 22.6°C | 16.2°C | 9.8°C | 29.1°C | 1.0°C | 59 mm | 64% | 2.7 m/s | 4.1 |
| 1999 | 25.3°C | 18.6°C | 12.0°C | 28.3°C | 7.5°C | 34 mm | 60% | 2.5 m/s | 4.2 |
| 1998 | 24.4°C | 17.5°C | 10.6°C | 30.9°C | 3.7°C | 26 mm | 58% | 2.2 m/s | 4.2 |
| 1997 | 23.0°C | 17.0°C | 11.0°C | 28.9°C | 4.5°C | 48 mm | 61% | 2.4 m/s | 3.7 |
| 1996 | 24.8°C | 17.7°C | 10.7°C | 29.3°C | 4.1°C | 5 mm | 57% | 2.6 m/s | 4.2 |
| 1995 | 24.0°C | 17.6°C | 11.2°C | 30.5°C | 3.7°C | 20 mm | 57% | 2.9 m/s | 4 |
| 1994 | 24.9°C | 17.2°C | 9.5°C | 29.6°C | 4.4°C | 3 mm | 42% | 2.2 m/s | 4.6 |
| 1993 | 26.4°C | 19.7°C | 13.0°C | 30.3°C | 6.2°C | 4 mm | 46% | 2.6 m/s | 4 |
| 1992 | 24.1°C | 17.6°C | 11.1°C | 29.7°C | 3.5°C | 22 mm | 51% | 2.4 m/s | 3.8 |
| 1991 | 25.8°C | 19.2°C | 12.6°C | 29.8°C | 6.9°C | 14 mm | 51% | 2.5 m/s | 4.3 |
| 1990 | 21.6°C | 16.0°C | 10.3°C | 25.5°C | 4.7°C | 49 mm | 78% | 2.4 m/s | 4 |
| 1989 🌧️ | 23.6°C | 18.5°C | 13.4°C | 30.0°C | 6.0°C | 201 mm | 76% | 2.5 m/s | 3.7 |
| 1988 | 25.1°C | 18.3°C | 11.5°C | 30.8°C | 5.1°C | 16 mm | 55% | 2.6 m/s | 4 |
| 1987 | 23.9°C | 17.3°C | 10.7°C | 29.7°C | 0.5°C | 17 mm | 52% | 2.6 m/s | 4 |
| 1986 | 25.2°C | 18.4°C | 11.7°C | 29.8°C | 5.8°C | 42 mm | 55% | 2.3 m/s | 4.1 |
| 1985 | 25.1°C | 18.3°C | 11.5°C | 30.0°C | 3.8°C | 10 mm | 50% | 2.8 m/s | 4.3 |
| 1984 | 24.7°C | 17.5°C | 10.2°C | 29.2°C | 4.4°C | 3 mm | 49% | 2.3 m/s | 4.3 |
| 1983 | 22.3°C | 16.9°C | 11.5°C | 26.4°C | 6.6°C | 195 mm | 76% | 2.5 m/s | — |
| 1982 | 24.7°C | 17.4°C | 10.2°C | 28.2°C | 3.8°C | 18 mm | 47% | 2.3 m/s | — |
| 1981 | 23.5°C | 17.1°C | 10.6°C | 28.5°C | 5.5°C | 149 mm | 56% | 2.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 24.4°C with lows near 10.8°C (mean 17.6°C), based on 45 years of NASA POWER data.
May averages 31 mm of rainfall in Charleville, about average for rainfall. The wettest on record was 201 mm in 1989.
The hottest May reached 33°C in 2007. The coldest dipped to 0.5°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have held steady by about 0°C. Daytime highs moved from 24.1°C to 24.1°C and overnight lows from 10.8°C to 10.7°C over the same span.
May is one of the cooler months of the year in Charleville and about average for rainfall, so plan for around 24.4°C daytime highs and 10.8°C at night.
Not quite — May is the 4th coolest month in Charleville, averaging 17.6°C.
For May in Charleville, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 10.8°C.
Relative humidity in May averages 54% — relatively dry.
Average wind speed in May is 2.5 m/s. The windiest May on record averaged 2.9 m/s (1981).
The wettest May on record was 1989 with 201 mm. On average, May sees 31 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 Charleville 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.
