April is close to Owasso's year-round average, with average highs near 20.8°C and lows around 8.5°C (mean 14.7°C). It is a relatively wet time of year, averaging 115 mm of rainfall and 74% relative humidity across the period.
April is close to Owasso's year-round average. Across 45 years of records, the warmest April in Owasso was 1981 — when the month averaged 19.4°C — while the coldest was 2018 at 10.9°C. Typical April days reach 20.8°C with nights near 8.5°C. The long-term trend is warming, about 0.3°C per decade.
April is a relatively wet time of year in Owasso, averaging 115 mm of rainfall. The wettest April on record was 2017 with 286 mm, while the driest was 1989 at 7 mm.
Relative humidity in Owasso during April averages 74%. The most humid April was 1993 at 81%, and the least humid was 1996 at 59%.
April receives about 5.2 kWh/m²/day of solar energy in Owasso. The sunniest April was 1987 at 6.2 kWh/m²/day, and the cloudiest was 1993 at 4.3.
Average wind speed in Owasso during April is 3.6 m/s. The windiest April was 2022 at 4.3 m/s, while the calmest was 1987 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.3°C | 13.7°C | 15.1°C | 15.2°C | 15.0°C | +0.7°C |
| Avg High | 20.5°C | 19.8°C | 21.2°C | 21.3°C | 21.1°C | +0.6°C |
| Avg Low | 8.1°C | 7.6°C | 8.9°C | 9.1°C | 8.8°C | +0.7°C |
| Avg Rain | 90 mm | 131 mm | 108 mm | 123 mm | 125 mm | +35 mm |
April temperatures in Owasso have risen by about 1°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -5°C (2007) to a record high of 34.8°C (2006).
Rainfall in April is a relatively wet time of year, averaging 115 mm, with a wettest year of 286 mm.
A good time to visit Owasso
April is a good time to visit Owasso, with days averaging 20.8°C and nights around 8.5°C (mean 14.7°C, close to Owasso's yearly average) and higher rainfall. September and June are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.6°C | 15.9°C | 10.2°C | 28.9°C | 0.2°C | 278 mm | 76% | 3.7 m/s | 4.6 |
| 2024 | 23.1°C | 16.8°C | 10.6°C | 29.6°C | 2.3°C | 148 mm | 68% | 4 m/s | 5.6 |
| 2023 | 21.1°C | 14.6°C | 8.1°C | 27.1°C | 1.5°C | 45 mm | 69% | 3.5 m/s | 6 |
| 2022 | 21.1°C | 14.9°C | 8.7°C | 27.2°C | -0.5°C | 80 mm | 69% | 4.3 m/s | 5.1 |
| 2021 | 20.0°C | 14.0°C | 7.9°C | 26.1°C | -0.5°C | 93 mm | 73% | 3.6 m/s | 5.2 |
| 2020 | 19.5°C | 13.5°C | 7.5°C | 28.8°C | -1.5°C | 106 mm | 78% | 3.3 m/s | 5.2 |
| 2019 | 21.9°C | 15.9°C | 9.9°C | 28.5°C | 0.8°C | 107 mm | 76% | 3.6 m/s | 5.3 |
| 2018 ❄️ | 17.5°C | 10.9°C | 4.3°C | 26.9°C | -3.9°C | 45 mm | 70% | 3.8 m/s | 5.2 |
| 2017 🌧️ | 21.8°C | 16.0°C | 10.3°C | 27.1°C | 3.6°C | 286 mm | 76% | 3.7 m/s | 4.9 |
| 2016 | 22.0°C | 16.0°C | 10.0°C | 26.5°C | -0.3°C | 143 mm | 75% | 3.4 m/s | 5.6 |
| 2015 | 21.6°C | 15.9°C | 10.3°C | 28.7°C | 0.5°C | 89 mm | 75% | 3.5 m/s | 4.8 |
| 2014 | 21.6°C | 14.6°C | 7.7°C | 27.9°C | -1.7°C | 46 mm | 67% | 3.8 m/s | 5.4 |
| 2013 | 18.7°C | 12.5°C | 6.4°C | 27.8°C | -1.3°C | 130 mm | 76% | 3.6 m/s | 4.7 |
| 2012 | 23.2°C | 17.7°C | 12.2°C | 29.0°C | 3.7°C | 139 mm | 77% | 3.4 m/s | 5.3 |
| 2011 | 22.9°C | 16.1°C | 9.3°C | 30.6°C | 1.3°C | 184 mm | 67% | 4.2 m/s | 5.1 |
| 2010 | 21.8°C | 16.1°C | 10.4°C | 26.3°C | 1.7°C | 56 mm | 76% | 3.9 m/s | 5.4 |
| 2009 | 19.6°C | 13.7°C | 7.9°C | 28.5°C | -4.5°C | 126 mm | 75% | 3.7 m/s | 4.7 |
| 2008 | 19.3°C | 13.0°C | 6.8°C | 26.0°C | -1.0°C | 199 mm | 78% | 4 m/s | 5.2 |
| 2007 | 18.4°C | 12.5°C | 6.5°C | 26.7°C | -5.0°C | 75 mm | 75% | 3.3 m/s | 5.2 |
| 2006 | 26.2°C | 18.9°C | 11.6°C | 34.8°C | 2.3°C | 161 mm | 62% | 3.9 m/s | 5.6 |
| 2005 | 20.4°C | 14.7°C | 8.9°C | 27.2°C | 1.8°C | 60 mm | 76% | 3.6 m/s | 5.3 |
| 2004 | 20.6°C | 14.9°C | 9.1°C | 26.6°C | 0.9°C | 148 mm | 76% | 3.4 m/s | 5.2 |
| 2003 | 22.1°C | 15.5°C | 8.9°C | 28.3°C | -3.0°C | 71 mm | 71% | 4 m/s | 5.7 |
| 2002 | 21.7°C | 15.9°C | 10.1°C | 29.3°C | -1.6°C | 105 mm | 77% | 3.7 m/s | 4.9 |
| 2001 | 23.0°C | 17.3°C | 11.6°C | 27.9°C | 0.7°C | 52 mm | 75% | 4.1 m/s | 5.4 |
| 2000 | 20.7°C | 14.1°C | 7.6°C | 28.4°C | -0.3°C | 86 mm | 71% | 3.4 m/s | 5.6 |
| 1999 | 20.8°C | 15.1°C | 9.3°C | 27.0°C | 1.2°C | 198 mm | 78% | 3.8 m/s | 4.9 |
| 1998 | 18.6°C | 12.8°C | 7.0°C | 25.8°C | 2.6°C | 86 mm | 76% | 3.6 m/s | 5.4 |
| 1997 | 18.0°C | 11.9°C | 5.8°C | 25.5°C | -4.2°C | 86 mm | 75% | 3.4 m/s | 5.3 |
| 1996 | 21.2°C | 13.8°C | 6.3°C | 29.2°C | -3.1°C | 77 mm | 59% | 4.2 m/s | 5.7 |
| 1995 | 19.9°C | 13.5°C | 7.1°C | 26.3°C | 1.6°C | 212 mm | 77% | 3.7 m/s | 5.2 |
| 1994 | 20.7°C | 14.3°C | 8.0°C | 27.4°C | -1.9°C | 188 mm | 78% | 3.9 m/s | 5.1 |
| 1993 | 17.4°C | 11.8°C | 6.2°C | 24.0°C | -2.6°C | 99 mm | 81% | 3.5 m/s | 4.3 |
| 1992 | 20.5°C | 14.6°C | 8.8°C | 26.9°C | -2.5°C | 99 mm | 78% | 3.1 m/s | 5.3 |
| 1991 | 22.4°C | 16.2°C | 10.0°C | 27.0°C | 3.7°C | 120 mm | 76% | 3.2 m/s | 5 |
| 1990 | 18.9°C | 13.1°C | 7.3°C | 26.5°C | -1.2°C | 145 mm | 79% | 3.4 m/s | 4.9 |
| 1989 | 20.7°C | 14.6°C | 8.5°C | 28.3°C | -3.0°C | 7 mm | 73% | 3.2 m/s | 5.8 |
| 1988 | 19.5°C | 13.1°C | 6.7°C | 25.8°C | 1.5°C | 91 mm | 76% | 3.2 m/s | 5.6 |
| 1987 | 21.0°C | 14.1°C | 7.2°C | 29.0°C | -4.3°C | 29 mm | 74% | 2.8 m/s | 6.2 |
| 1986 | 21.2°C | 15.4°C | 9.5°C | 27.0°C | 0.7°C | 152 mm | 78% | 3.7 m/s | 5 |
| 1985 | 21.0°C | 15.4°C | 9.9°C | 26.0°C | 0.5°C | 143 mm | 81% | 3.2 m/s | 5.7 |
| 1984 | 18.3°C | 12.4°C | 6.5°C | 26.2°C | 0.0°C | 95 mm | 76% | 3.7 m/s | 4.9 |
| 1983 | 17.0°C | 11.3°C | 5.5°C | 26.0°C | -2.2°C | 168 mm | 78% | 3.8 m/s | — |
| 1982 | 19.2°C | 12.7°C | 6.2°C | 28.6°C | -3.0°C | 44 mm | 70% | 3.7 m/s | — |
| 1981 🔥 | 26.3°C | 19.4°C | 12.5°C | 31.6°C | 3.5°C | 84 mm | 64% | 4.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 20.8°C with lows near 8.5°C (mean 14.7°C), based on 45 years of NASA POWER data.
April averages 115 mm of rainfall in Owasso, a relatively wet time of year. The wettest on record was 286 mm in 2017.
The hottest April reached 34.8°C in 2006. The coldest dipped to -5°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1°C. Daytime highs moved from 20.4°C to 21.4°C and overnight lows from 8.1°C to 9.1°C over the same span.
April is close to Owasso's year-round average and a relatively wet time of year, so plan for around 20.8°C daytime highs and 8.5°C at night.
Not quite — April is the 6th coolest month in Owasso, averaging 14.7°C.
For April in Owasso, pack light layers you can adjust through the day, with typical highs of 20.8°C and lows of 8.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 74% — moderately humid.
Average wind speed in April is 3.6 m/s. The windiest April on record averaged 4.3 m/s (2022).
The wettest April on record was 2017 with 286 mm. On average, April sees 115 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 Owasso behaves each April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
