May is one of the warmer months of the year in Lawton, with average highs near 27.8°C and lows around 15.3°C (mean 21.6°C). It is a relatively wet time of year, averaging 128 mm of rainfall and 69% relative humidity across the period.
May is one of the warmer months of the year in Lawton. Across 45 years of records, the warmest May in Lawton was 1996 — when the month averaged 26.4°C — while the coldest was 1993 at 19.1°C. Typical May days reach 27.8°C with nights near 15.3°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in Lawton, averaging 128 mm of rainfall. The wettest May on record was 2015 with 428 mm, while the driest was 1998 at 23 mm.
Relative humidity in Lawton during May averages 69%. The most humid May was 2015 at 82%, and the least humid was 1996 at 51%.
May receives about 6.3 kWh/m²/day of solar energy in Lawton. The sunniest May was 2018 at 7.2 kWh/m²/day, and the cloudiest was 2015 at 5.1.
Average wind speed in Lawton during May is 3.3 m/s. The windiest May was 1996 at 4.6 m/s, while the calmest were 1994 and 2023 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.2°C | 21.2°C | 22.1°C | 21.9°C | 21.7°C | +0.5°C |
| Avg High | 27.6°C | 27.4°C | 28.5°C | 28.1°C | 27.3°C | -0.3°C |
| Avg Low | 14.8°C | 14.9°C | 15.6°C | 15.6°C | 15.9°C | +1.1°C |
| Avg Rain | 142 mm | 127 mm | 100 mm | 141 mm | 135 mm | -7 mm |
May temperatures in Lawton have risen by about 1.1°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 1.9°C (2013) to a record high of 41.9°C (2000).
Rainfall in May is a relatively wet time of year, averaging 128 mm, with a wettest year of 428 mm.
One of the best times to visit Lawton
May is one of the best times to visit Lawton. Expect days averaging 27.8°C and nights around 15.3°C (mean 21.6°C) — warmer than Lawton's yearly average — with higher rainfall (128 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 | 26.3°C | 20.5°C | 14.6°C | 32.9°C | 7.2°C | 156 mm | 76% | 2.6 m/s | 6.4 |
| 2024 | 28.1°C | 22.6°C | 17.1°C | 34.0°C | 12.1°C | 149 mm | 76% | 3 m/s | 6.2 |
| 2023 | 27.5°C | 22.0°C | 16.6°C | 33.1°C | 8.5°C | 107 mm | 73% | 2.4 m/s | 6.1 |
| 2022 | 30.8°C | 23.9°C | 17.0°C | 38.6°C | 7.9°C | 131 mm | 62% | 4 m/s | 6.7 |
| 2021 | 24.8°C | 19.9°C | 14.9°C | 30.6°C | 8.3°C | 138 mm | 79% | 3.1 m/s | 5.4 |
| 2020 | 26.5°C | 21.0°C | 15.4°C | 35.9°C | 5.9°C | 132 mm | 74% | 3.2 m/s | 6.7 |
| 2019 | 25.7°C | 20.4°C | 15.1°C | 29.6°C | 6.1°C | 205 mm | 82% | 3.4 m/s | 5.6 |
| 2018 | 30.5°C | 24.5°C | 18.5°C | 37.0°C | 11.4°C | 118 mm | 68% | 3.1 m/s | 7.2 |
| 2017 | 27.8°C | 20.8°C | 13.9°C | 33.8°C | 4.0°C | 128 mm | 63% | 3.2 m/s | 7 |
| 2016 | 25.2°C | 19.8°C | 14.4°C | 31.3°C | 6.1°C | 131 mm | 78% | 3 m/s | 6.1 |
| 2015 🌧️ | 24.8°C | 20.1°C | 15.3°C | 29.4°C | 8.8°C | 428 mm | 82% | 3.2 m/s | 5.1 |
| 2014 | 30.1°C | 22.8°C | 15.4°C | 37.4°C | 4.9°C | 61 mm | 53% | 3.7 m/s | 6.9 |
| 2013 | 28.1°C | 21.6°C | 15.1°C | 36.2°C | 1.9°C | 96 mm | 63% | 3.9 m/s | 6.2 |
| 2012 | 30.5°C | 24.2°C | 17.9°C | 36.3°C | 12.0°C | 65 mm | 60% | 3.6 m/s | 6.6 |
| 2011 | 30.1°C | 22.5°C | 14.9°C | 40.1°C | 3.7°C | 104 mm | 54% | 4.4 m/s | 6.9 |
| 2010 | 28.4°C | 21.9°C | 15.4°C | 34.6°C | 7.8°C | 68 mm | 65% | 3.1 m/s | 6 |
| 2009 | 25.9°C | 19.9°C | 13.8°C | 32.6°C | 7.4°C | 133 mm | 74% | 2.8 m/s | 5.8 |
| 2008 | 29.0°C | 22.3°C | 15.6°C | 35.9°C | 5.9°C | 89 mm | 62% | 3.7 m/s | 7 |
| 2007 | 25.6°C | 21.0°C | 16.4°C | 30.9°C | 9.7°C | 206 mm | 82% | 2.7 m/s | 5.2 |
| 2006 | 30.3°C | 23.2°C | 16.2°C | 38.1°C | 8.3°C | 87 mm | 59% | 3.3 m/s | 7 |
| 2005 | 27.4°C | 21.6°C | 15.7°C | 37.5°C | 5.9°C | 88 mm | 67% | 2.9 m/s | 5.3 |
| 2004 | 30.6°C | 23.5°C | 16.5°C | 37.5°C | 6.6°C | 28 mm | 61% | 4.1 m/s | 6.6 |
| 2003 | 29.9°C | 22.6°C | 15.2°C | 37.7°C | 11.1°C | 100 mm | 60% | 3.1 m/s | 6.3 |
| 2002 | 27.2°C | 20.7°C | 14.2°C | 33.1°C | 8.4°C | 58 mm | 66% | 3.7 m/s | 6 |
| 2001 | 27.2°C | 21.5°C | 15.8°C | 31.7°C | 7.0°C | 168 mm | 75% | 3.2 m/s | 6.6 |
| 2000 | 31.7°C | 24.2°C | 16.7°C | 41.9°C | 8.2°C | 43 mm | 56% | 3.9 m/s | 6.7 |
| 1999 | 27.4°C | 21.0°C | 14.6°C | 34.1°C | 7.4°C | 136 mm | 70% | 3.5 m/s | 6.5 |
| 1998 | 30.4°C | 23.4°C | 16.4°C | 37.4°C | 10.2°C | 23 mm | 63% | 2.9 m/s | 6.9 |
| 1997 | 25.8°C | 19.5°C | 13.2°C | 32.3°C | 5.9°C | 124 mm | 72% | 3.1 m/s | 6.5 |
| 1996 🔥 | 34.0°C | 26.4°C | 18.7°C | 39.8°C | 9.0°C | 56 mm | 51% | 4.6 m/s | 7 |
| 1995 | 25.6°C | 19.6°C | 13.6°C | 31.7°C | 6.4°C | 193 mm | 74% | 3.4 m/s | 5.6 |
| 1994 | 26.7°C | 20.6°C | 14.5°C | 32.3°C | 2.5°C | 123 mm | 75% | 2.4 m/s | 6.2 |
| 1993 ❄️ | 24.7°C | 19.1°C | 13.5°C | 29.0°C | 7.7°C | 168 mm | 80% | 3.2 m/s | 5.7 |
| 1992 | 25.1°C | 19.6°C | 14.0°C | 32.3°C | 6.4°C | 145 mm | 74% | 2.8 m/s | 5.5 |
| 1991 | 28.8°C | 23.1°C | 17.5°C | 34.5°C | 6.6°C | 154 mm | 73% | 3.3 m/s | 6.2 |
| 1990 | 25.7°C | 19.4°C | 13.0°C | 32.3°C | 5.6°C | 147 mm | 77% | 3.7 m/s | 6.5 |
| 1989 | 28.3°C | 21.9°C | 15.6°C | 35.7°C | 8.7°C | 149 mm | 68% | 3.7 m/s | 6 |
| 1988 | 28.5°C | 21.6°C | 14.8°C | 33.8°C | 8.0°C | 26 mm | 56% | 3.5 m/s | 6.7 |
| 1987 | 27.5°C | 22.3°C | 17.1°C | 32.7°C | 12.7°C | 274 mm | 74% | 2.9 m/s | 6 |
| 1986 | 27.4°C | 21.4°C | 15.4°C | 34.1°C | 9.7°C | 160 mm | 72% | 3.3 m/s | 5.6 |
| 1985 | 27.2°C | 20.6°C | 14.1°C | 34.4°C | 8.8°C | 51 mm | 72% | 3 m/s | 7 |
| 1984 | 30.5°C | 22.9°C | 15.2°C | 37.4°C | 5.5°C | 31 mm | 55% | 3.7 m/s | 6.5 |
| 1983 | 26.0°C | 19.3°C | 12.6°C | 33.7°C | 7.1°C | 140 mm | 65% | 3.3 m/s | — |
| 1982 | 25.7°C | 20.3°C | 14.9°C | 30.9°C | 5.7°C | 321 mm | 79% | 3.4 m/s | — |
| 1981 | 26.9°C | 20.4°C | 13.9°C | 32.6°C | 6.6°C | 129 mm | 67% | 3.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 27.8°C with lows near 15.3°C (mean 21.6°C), based on 45 years of NASA POWER data.
May averages 128 mm of rainfall in Lawton, a relatively wet time of year. The wettest on record was 428 mm in 2015.
The hottest May reached 41.9°C in 2000. The coldest dipped to 1.9°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.1°C. Daytime highs moved from 27.3°C to 27.5°C and overnight lows from 14.1°C to 16°C over the same span.
May is one of the warmer months of the year in Lawton and a relatively wet time of year, so plan for around 27.8°C daytime highs and 15.3°C at night.
Not quite — May is the 8th coolest month in Lawton, averaging 21.6°C.
For May in Lawton, pack light layers you can adjust through the day, with typical highs of 27.8°C and lows of 15.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 69% — moderately humid.
Average wind speed in May is 3.3 m/s. The windiest May on record averaged 4.6 m/s (1996).
The wettest May on record was 2015 with 428 mm. On average, May sees 128 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 Lawton 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.
