May is one of the warmer months of the year in Salina, with average highs near 24.9°C and lows around 12.2°C (mean 18.5°C). It is a relatively wet time of year, averaging 124 mm of rainfall and 68% relative humidity across the period.
May is one of the warmer months of the year in Salina. Across 45 years of records, the warmest May in Salina was 2018 — when the month averaged 23.7°C — while the coldest was 1995 at 15°C. Typical May days reach 24.9°C with nights near 12.2°C. The long-term trend is warming, about 0.3°C per decade.
May is a relatively wet time of year in Salina, averaging 124 mm of rainfall. The wettest May on record was 1995 with 311 mm, while the driest was 2012 at 26 mm.
Relative humidity in Salina during May averages 68%. The most humid May was 1993 at 82%, and the least humid was 2012 at 53%.
May receives about 6 kWh/m²/day of solar energy in Salina. The sunniest May was 2012 at 6.9 kWh/m²/day, and the cloudiest was 1995 at 4.2.
Average wind speed in Salina during May is 3.4 m/s. The windiest May was 2004 at 4.2 m/s, while the calmest was 2023 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.3°C | 18.0°C | 18.8°C | 18.9°C | 18.8°C | +0.5°C |
| Avg High | 24.6°C | 24.3°C | 25.3°C | 25.4°C | 25.1°C | +0.5°C |
| Avg Low | 11.9°C | 11.7°C | 12.3°C | 12.5°C | 12.5°C | +0.6°C |
| Avg Rain | 111 mm | 142 mm | 107 mm | 133 mm | 124 mm | +12 mm |
May temperatures in Salina have risen by about 2°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -1.6°C (2005) to a record high of 38.5°C (1989).
Rainfall in May is a relatively wet time of year, averaging 124 mm, with a wettest year of 311 mm.
One of the best times to visit Salina
May is one of the best times to visit Salina. Expect days averaging 24.9°C and nights around 12.2°C (mean 18.5°C) — warmer than Salina's yearly average — with higher rainfall (124 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 | 25.3°C | 18.5°C | 11.7°C | 34.1°C | 5.4°C | 107 mm | 60% | 2.9 m/s | 6.3 |
| 2024 | 26.6°C | 19.8°C | 12.9°C | 31.8°C | 7.3°C | 117 mm | 63% | 3.2 m/s | 6.2 |
| 2023 | 27.7°C | 20.7°C | 13.8°C | 35.3°C | 2.4°C | 68 mm | 60% | 2.7 m/s | 6.2 |
| 2022 | 25.8°C | 19.7°C | 13.6°C | 35.3°C | 3.4°C | 187 mm | 65% | 3.7 m/s | 5.8 |
| 2021 | 22.6°C | 17.2°C | 11.8°C | 30.4°C | 4.9°C | 149 mm | 74% | 3.2 m/s | 5 |
| 2020 | 22.7°C | 16.9°C | 11.1°C | 29.3°C | 1.6°C | 115 mm | 71% | 3.2 m/s | 5.5 |
| 2019 | 22.0°C | 16.6°C | 11.2°C | 30.0°C | 3.1°C | 268 mm | 81% | 3.1 m/s | 5.3 |
| 2018 🔥 | 30.6°C | 23.7°C | 16.9°C | 37.7°C | 9.3°C | 109 mm | 62% | 2.9 m/s | 6.6 |
| 2017 | 23.9°C | 17.4°C | 10.8°C | 30.3°C | 1.7°C | 142 mm | 71% | 3.4 m/s | 6.6 |
| 2016 | 23.3°C | 17.4°C | 11.5°C | 29.3°C | 3.0°C | 172 mm | 72% | 3.1 m/s | 5.6 |
| 2015 | 23.0°C | 17.5°C | 12.0°C | 31.9°C | 3.7°C | 198 mm | 74% | 3.5 m/s | 5.1 |
| 2014 | 27.6°C | 20.1°C | 12.6°C | 37.3°C | 2.5°C | 58 mm | 57% | 3.2 m/s | 6.6 |
| 2013 | 24.3°C | 18.0°C | 11.7°C | 33.8°C | -0.6°C | 135 mm | 68% | 3.8 m/s | 6 |
| 2012 | 30.0°C | 22.4°C | 14.7°C | 38.1°C | 7.3°C | 26 mm | 53% | 4 m/s | 6.9 |
| 2011 | 25.6°C | 18.6°C | 11.6°C | 37.9°C | 4.2°C | 130 mm | 60% | 3.8 m/s | 6 |
| 2010 | 23.7°C | 17.7°C | 11.6°C | 31.4°C | 2.5°C | 91 mm | 71% | 3.2 m/s | 6 |
| 2009 | 24.9°C | 18.2°C | 11.5°C | 34.5°C | 6.3°C | 38 mm | 66% | 3.2 m/s | 6.1 |
| 2008 | 24.3°C | 18.1°C | 11.9°C | 30.4°C | 2.5°C | 114 mm | 69% | 3.8 m/s | 6.1 |
| 2007 | 24.1°C | 19.1°C | 14.2°C | 28.6°C | 7.5°C | 256 mm | 79% | 3.3 m/s | 5.5 |
| 2006 | 26.3°C | 19.7°C | 13.1°C | 36.8°C | 4.8°C | 91 mm | 60% | 3.3 m/s | 6.2 |
| 2005 | 25.3°C | 18.6°C | 11.8°C | 35.9°C | -1.6°C | 86 mm | 64% | 3.3 m/s | 6.6 |
| 2004 | 27.4°C | 20.3°C | 13.2°C | 34.5°C | 1.3°C | 82 mm | 65% | 4.2 m/s | 6.6 |
| 2003 | 24.0°C | 17.3°C | 10.7°C | 33.7°C | 6.1°C | 95 mm | 68% | 2.9 m/s | 6.2 |
| 2002 | 24.5°C | 17.6°C | 10.7°C | 35.7°C | 4.0°C | 102 mm | 65% | 3.6 m/s | 6 |
| 2001 | 25.6°C | 19.1°C | 12.6°C | 35.3°C | 6.6°C | 131 mm | 65% | 3.6 m/s | 6.1 |
| 2000 | 26.5°C | 20.0°C | 13.5°C | 35.1°C | 5.4°C | 70 mm | 64% | 3.5 m/s | 5.9 |
| 1999 | 23.3°C | 17.3°C | 11.4°C | 29.0°C | 5.7°C | 156 mm | 73% | 3.7 m/s | 6.3 |
| 1998 | 26.9°C | 20.3°C | 13.6°C | 37.4°C | 5.8°C | 50 mm | 73% | 3 m/s | 6.7 |
| 1997 | 24.2°C | 16.9°C | 9.5°C | 34.3°C | 3.2°C | 95 mm | 61% | 3.4 m/s | 6.5 |
| 1996 | 26.2°C | 19.7°C | 13.2°C | 36.9°C | 5.0°C | 212 mm | 69% | 3.6 m/s | 5.3 |
| 1995 ❄️ 🌧️ | 20.4°C | 15.0°C | 9.7°C | 26.3°C | 3.0°C | 311 mm | 80% | 3.2 m/s | 4.2 |
| 1994 | 25.9°C | 18.9°C | 12.0°C | 36.2°C | 1.3°C | 34 mm | 67% | 2.9 m/s | 6.7 |
| 1993 | 21.8°C | 16.5°C | 11.3°C | 29.8°C | 5.5°C | 192 mm | 82% | 3.2 m/s | 5.1 |
| 1992 | 25.0°C | 18.2°C | 11.3°C | 34.2°C | 3.5°C | 89 mm | 59% | 3.3 m/s | 5.9 |
| 1991 | 27.0°C | 21.1°C | 15.1°C | 33.4°C | 2.6°C | 143 mm | 71% | 3.5 m/s | 5.7 |
| 1990 | 22.7°C | 16.5°C | 10.3°C | 31.0°C | 2.9°C | 137 mm | 71% | 3.7 m/s | 5.1 |
| 1989 | 26.7°C | 19.8°C | 12.8°C | 38.5°C | 2.6°C | 93 mm | 54% | 3.6 m/s | 5.8 |
| 1988 | 27.7°C | 20.7°C | 13.6°C | 34.7°C | 5.3°C | 81 mm | 56% | 4.1 m/s | 6.1 |
| 1987 | 24.8°C | 19.7°C | 14.6°C | 30.4°C | 8.7°C | 136 mm | 80% | 3.3 m/s | 5.8 |
| 1986 | 24.4°C | 18.3°C | 12.2°C | 30.3°C | 6.3°C | 99 mm | 69% | 3.2 m/s | 6.1 |
| 1985 | 25.1°C | 18.7°C | 12.3°C | 31.1°C | 6.3°C | 86 mm | 70% | 3.1 m/s | 6.7 |
| 1984 | 22.4°C | 16.2°C | 10.0°C | 30.7°C | 1.2°C | 55 mm | 76% | 3.2 m/s | 5.6 |
| 1983 | 22.3°C | 15.7°C | 9.0°C | 31.2°C | 1.0°C | 95 mm | 67% | 3.6 m/s | — |
| 1982 | 24.6°C | 18.6°C | 12.6°C | 29.8°C | 5.3°C | 162 mm | 73% | 3.5 m/s | — |
| 1981 | 23.1°C | 16.6°C | 10.2°C | 29.7°C | 1.9°C | 195 mm | 64% | 3.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 24.9°C with lows near 12.2°C (mean 18.5°C), based on 45 years of NASA POWER data.
May averages 124 mm of rainfall in Salina, a relatively wet time of year. The wettest on record was 311 mm in 1995.
The hottest May reached 38.5°C in 1989. The coldest dipped to -1.6°C in 2005.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 2°C. Daytime highs moved from 23.5°C to 25.6°C and overnight lows from 10.8°C to 12.8°C over the same span.
May is one of the warmer months of the year in Salina and a relatively wet time of year, so plan for around 24.9°C daytime highs and 12.2°C at night.
Not quite — May is the 8th coolest month in Salina, averaging 18.5°C.
For May in Salina, pack light layers you can adjust through the day, with typical highs of 24.9°C and lows of 12.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 68% — moderately humid.
Average wind speed in May is 3.4 m/s. The windiest May on record averaged 4.2 m/s (2004).
The wettest May on record was 1995 with 311 mm. On average, May sees 124 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 Salina 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.
