May is one of the warmer months of the year in Crossville, with average highs near 23.2°C and lows around 12.2°C (mean 17.7°C). It is about average for rainfall, averaging 125 mm of rainfall and 80% relative humidity across the period.
May is one of the warmer months of the year in Crossville. Across 45 years of records, the warmest May in Crossville was 2018 — when the month averaged 20.8°C — while the coldest was 1989 at 14.8°C. Typical May days reach 23.2°C with nights near 12.2°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Crossville, averaging 125 mm of rainfall. The wettest May on record was 1984 with 269 mm, while the driest was 1988 at 56 mm.
Relative humidity in Crossville during May averages 80%. The most humid May was 2009 at 85%, and the least humid was 2007 at 65%.
May receives about 5.8 kWh/m²/day of solar energy in Crossville. The sunniest May was 2007 at 6.8 kWh/m²/day, and the cloudiest was 2025 at 4.8.
Average wind speed in Crossville during May is 0.1 m/s. The windiest Mays were 1988, 2005 and 2007 at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.1°C | 17.4°C | 17.7°C | 18.6°C | 17.8°C | +0.7°C |
| Avg High | 22.8°C | 22.9°C | 23.3°C | 23.9°C | 23.1°C | +0.3°C |
| Avg Low | 11.3°C | 11.9°C | 12.1°C | 13.4°C | 12.5°C | +1.2°C |
| Avg Rain | 135 mm | 121 mm | 125 mm | 115 mm | 136 mm | +2 mm |
May temperatures in Crossville have risen by about 1.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -1.1°C (2020) to a record high of 32.8°C (2006).
Rainfall in May is about average for rainfall, averaging 125 mm, with a wettest year of 269 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.
A good time to visit Crossville
May is a good time to visit Crossville, with days averaging 23.2°C and nights around 12.2°C (mean 17.7°C, warmer than Crossville's yearly average) and higher rainfall. June and September 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 | 22.5°C | 17.8°C | 13.1°C | 26.1°C | 7.1°C | 194 mm | 84% | 0.1 m/s | 4.8 |
| 2024 | 24.5°C | 19.4°C | 14.4°C | 28.3°C | 7.8°C | 224 mm | 83% | 0.1 m/s | 5.5 |
| 2023 | 22.8°C | 17.4°C | 11.9°C | 27.4°C | 3.3°C | 83 mm | 80% | 0.1 m/s | 5.9 |
| 2022 | 24.9°C | 19.3°C | 13.7°C | 29.6°C | 8.6°C | 98 mm | 80% | 0.1 m/s | 6.1 |
| 2021 | 22.2°C | 16.6°C | 11.0°C | 29.3°C | 3.7°C | 94 mm | 78% | 0.1 m/s | 5.9 |
| 2020 | 21.6°C | 16.3°C | 11.1°C | 27.6°C | -1.1°C | 123 mm | 82% | 0.1 m/s | 5.8 |
| 2019 | 24.9°C | 19.9°C | 15.0°C | 29.1°C | 6.2°C | 94 mm | 81% | 0.1 m/s | 6.5 |
| 2018 🔥 | 25.8°C | 20.8°C | 15.8°C | 30.0°C | 6.3°C | 119 mm | 84% | 0.1 m/s | 6.1 |
| 2017 | 23.0°C | 17.8°C | 12.6°C | 28.9°C | 2.8°C | 185 mm | 80% | 0.1 m/s | 5.9 |
| 2016 | 22.6°C | 17.2°C | 11.8°C | 30.4°C | 1.9°C | 69 mm | 79% | 0.1 m/s | 6.2 |
| 2015 | 24.2°C | 18.8°C | 13.4°C | 29.5°C | 6.0°C | 75 mm | 80% | 0.1 m/s | 6.4 |
| 2014 | 23.7°C | 18.3°C | 12.9°C | 27.9°C | 4.5°C | 71 mm | 80% | 0.1 m/s | 6.2 |
| 2013 | 21.9°C | 16.9°C | 11.9°C | 26.7°C | 2.2°C | 160 mm | 82% | 0.1 m/s | 5.9 |
| 2012 | 25.4°C | 20.0°C | 14.6°C | 32.8°C | 5.5°C | 87 mm | 80% | 0.1 m/s | 6.1 |
| 2011 | 22.7°C | 17.4°C | 12.1°C | 32.6°C | 1.7°C | 87 mm | 83% | 0.1 m/s | 5.7 |
| 2010 | 24.3°C | 19.1°C | 14.0°C | 27.9°C | 4.2°C | 197 mm | 82% | 0.1 m/s | 5.9 |
| 2009 | 22.3°C | 17.5°C | 12.7°C | 25.9°C | 2.4°C | 229 mm | 85% | 0.1 m/s | 5.3 |
| 2008 | 22.5°C | 16.7°C | 10.9°C | 27.6°C | 4.7°C | 98 mm | 79% | 0.1 m/s | 5.9 |
| 2007 | 26.1°C | 19.2°C | 12.3°C | 31.5°C | 4.0°C | 57 mm | 65% | 0.2 m/s | 6.8 |
| 2006 | 22.6°C | 17.1°C | 11.6°C | 32.8°C | 5.4°C | 96 mm | 80% | 0.1 m/s | 5.6 |
| 2005 | 22.4°C | 16.2°C | 10.0°C | 29.2°C | 1.2°C | 69 mm | 77% | 0.2 m/s | 6.3 |
| 2004 | 24.8°C | 19.7°C | 14.6°C | 28.9°C | 1.6°C | 120 mm | 82% | 0.1 m/s | 5.6 |
| 2003 | 22.6°C | 18.0°C | 13.5°C | 26.5°C | 8.4°C | 257 mm | 85% | 0.1 m/s | 5 |
| 2002 | 22.2°C | 16.4°C | 10.6°C | 27.4°C | 1.0°C | 135 mm | 79% | 0.1 m/s | 5.6 |
| 2001 | 23.7°C | 17.9°C | 12.1°C | 28.5°C | 6.5°C | 90 mm | 76% | 0.1 m/s | 5.8 |
| 2000 | 24.2°C | 18.5°C | 12.7°C | 27.2°C | 5.8°C | 102 mm | 79% | 0.1 m/s | 5.9 |
| 1999 | 23.4°C | 17.4°C | 11.3°C | 26.1°C | 5.8°C | 112 mm | 77% | 0.1 m/s | 6.6 |
| 1998 | 24.7°C | 19.6°C | 14.5°C | 29.6°C | 6.2°C | 104 mm | 82% | 0.1 m/s | 5.9 |
| 1997 | 20.7°C | 14.9°C | 9.0°C | 26.3°C | 1.3°C | 171 mm | 79% | 0.1 m/s | 5.8 |
| 1996 | 24.1°C | 18.7°C | 13.4°C | 31.2°C | 2.1°C | 151 mm | 82% | 0.1 m/s | 6.1 |
| 1995 | 23.2°C | 17.7°C | 12.1°C | 27.3°C | 4.3°C | 162 mm | 81% | 0.1 m/s | 5.5 |
| 1994 | 21.3°C | 15.3°C | 9.2°C | 28.1°C | 3.6°C | 79 mm | 79% | 0.1 m/s | 6.3 |
| 1993 | 22.7°C | 17.3°C | 11.9°C | 29.5°C | 4.9°C | 112 mm | 81% | 0.1 m/s | 5.6 |
| 1992 | 21.7°C | 16.3°C | 11.0°C | 26.6°C | 4.1°C | 68 mm | 79% | 0.1 m/s | 5.4 |
| 1991 | 25.3°C | 20.4°C | 15.5°C | 30.6°C | 6.0°C | 109 mm | 84% | 0.1 m/s | 5.3 |
| 1990 | 21.8°C | 16.4°C | 10.9°C | 25.6°C | 3.3°C | 138 mm | 81% | 0.1 m/s | 5.3 |
| 1989 ❄️ | 20.4°C | 14.8°C | 9.2°C | 28.4°C | 0.2°C | 143 mm | 80% | 0.1 m/s | 5.2 |
| 1988 | 23.4°C | 16.8°C | 10.2°C | 31.7°C | 4.6°C | 56 mm | 70% | 0.2 m/s | 6.4 |
| 1987 | 25.2°C | 19.9°C | 14.6°C | 28.4°C | 6.7°C | 103 mm | 81% | 0.1 m/s | 6.2 |
| 1986 | 24.1°C | 18.2°C | 12.3°C | 28.7°C | 0.3°C | 125 mm | 74% | 0.1 m/s | 5.4 |
| 1985 | 23.4°C | 17.7°C | 12.0°C | 29.0°C | 5.0°C | 82 mm | 78% | 0.1 m/s | 5.4 |
| 1984 🌧️ | 21.2°C | 15.4°C | 9.6°C | 25.5°C | 3.5°C | 269 mm | 82% | 0.1 m/s | 5.2 |
| 1983 | 21.2°C | 15.7°C | 10.1°C | 24.8°C | 3.5°C | 216 mm | 82% | 0.1 m/s | — |
| 1982 | 24.6°C | 19.3°C | 14.0°C | 27.7°C | 6.8°C | 100 mm | 80% | 0.1 m/s | — |
| 1981 | 21.9°C | 15.7°C | 9.5°C | 27.4°C | 3.8°C | 116 mm | 77% | 0.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 23.2°C with lows near 12.2°C (mean 17.7°C), based on 45 years of NASA POWER data.
May averages 125 mm of rainfall in Crossville, about average for rainfall. The wettest on record was 269 mm in 1984.
The hottest May reached 32.8°C in 2006. The coldest dipped to -1.1°C in 2020.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.3°C. Daytime highs moved from 22.5°C to 23.4°C and overnight lows from 11°C to 12.8°C over the same span.
May is one of the warmer months of the year in Crossville and about average for rainfall, so plan for around 23.2°C daytime highs and 12.2°C at night.
Not quite — May is the 8th coolest month in Crossville, averaging 17.7°C.
For May in Crossville, pack light layers you can adjust through the day, with typical highs of 23.2°C and lows of 12.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 80% — quite humid.
Average wind speed in May is 0.1 m/s. The windiest May on record averaged 0.2 m/s (1988).
The wettest May on record was 1984 with 269 mm. On average, May sees 125 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 Crossville 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.
