April is close to Waco's year-round average, with average highs near 25.6°C and lows around 12.7°C (mean 19.2°C). It is about average for rainfall, averaging 79 mm of rainfall and 72% relative humidity across the period.
April is close to Waco's year-round average. Across 45 years of records, the warmest April in Waco was 2011 — when the month averaged 23.4°C — while the coldest was 1997 at 16°C. Typical April days reach 25.6°C with nights near 12.7°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Waco, averaging 79 mm of rainfall. The wettest April on record was 2016 with 190 mm, while the driest was 1983 at 5 mm.
Relative humidity in Waco during April averages 72%. The most humid April was 1992 at 81%, and the least humid was 1984 at 55%.
April receives about 5.5 kWh/m²/day of solar energy in Waco. The sunniest April was 1998 at 6.8 kWh/m²/day, and the cloudiest was 2004 at 4.6.
Average wind speed in Waco during April is 3.3 m/s. The windiest April was 2011 at 4.3 m/s, while the calmest was 1987 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.9°C | 18.4°C | 19.2°C | 19.5°C | 20.2°C | +1.3°C |
| Avg High | 25.9°C | 24.8°C | 25.4°C | 25.8°C | 26.7°C | +0.8°C |
| Avg Low | 12.0°C | 12.0°C | 13.1°C | 13.1°C | 13.8°C | +1.8°C |
| Avg Rain | 50 mm | 88 mm | 76 mm | 88 mm | 96 mm | +46 mm |
April temperatures in Waco have risen by about 1.6°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -1.6°C (1987) to a record high of 37.7°C (1996).
Rainfall in April is about average for rainfall, averaging 79 mm, with a wettest year of 190 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Waco
April is one of the best times to visit Waco. Expect days averaging 25.6°C and nights around 12.7°C (mean 19.2°C) — close to Waco's yearly average — with moderate rainfall (79 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 | 29.0°C | 22.4°C | 15.7°C | 34.2°C | 2.8°C | 98 mm | 67% | 3.4 m/s | 5.3 |
| 2024 | 26.1°C | 20.6°C | 15.0°C | 30.9°C | 7.3°C | 149 mm | 77% | 3.3 m/s | 4.9 |
| 2023 | 25.3°C | 19.1°C | 12.8°C | 34.1°C | 9.3°C | 113 mm | 70% | 3.2 m/s | 5 |
| 2022 | 29.0°C | 21.8°C | 14.6°C | 34.0°C | 6.4°C | 52 mm | 62% | 4 m/s | 5.6 |
| 2021 | 26.1°C | 19.2°C | 12.4°C | 32.7°C | 4.1°C | 65 mm | 66% | 3.2 m/s | 4.8 |
| 2020 | 24.4°C | 18.2°C | 12.0°C | 32.2°C | 3.4°C | 98 mm | 77% | 2.8 m/s | 5.3 |
| 2019 | 24.4°C | 18.5°C | 12.7°C | 29.3°C | 3.1°C | 167 mm | 78% | 3.3 m/s | 5.5 |
| 2018 | 24.6°C | 17.3°C | 10.1°C | 30.4°C | 3.0°C | 28 mm | 66% | 3.4 m/s | 5.9 |
| 2017 | 26.1°C | 19.9°C | 13.8°C | 31.1°C | 7.8°C | 149 mm | 75% | 3.2 m/s | 5.5 |
| 2016 🌧️ | 25.0°C | 19.3°C | 13.6°C | 29.3°C | 4.7°C | 190 mm | 77% | 2.7 m/s | 5.1 |
| 2015 | 25.4°C | 20.2°C | 15.0°C | 30.3°C | 7.7°C | 134 mm | 79% | 2.8 m/s | 4.9 |
| 2014 | 25.2°C | 18.7°C | 12.2°C | 34.1°C | 0.9°C | 38 mm | 68% | 3.3 m/s | 5.7 |
| 2013 | 25.4°C | 18.3°C | 11.2°C | 32.7°C | 2.7°C | 52 mm | 70% | 3.3 m/s | 5.2 |
| 2012 | 26.5°C | 20.5°C | 14.5°C | 30.4°C | 8.0°C | 25 mm | 76% | 3 m/s | 6 |
| 2011 🔥 | 31.1°C | 23.4°C | 15.7°C | 35.3°C | 5.6°C | 35 mm | 56% | 4.3 m/s | 6.3 |
| 2010 | 24.4°C | 18.4°C | 12.4°C | 29.0°C | 5.2°C | 64 mm | 77% | 3.1 m/s | 5.4 |
| 2009 | 24.7°C | 18.4°C | 12.1°C | 32.5°C | 0.2°C | 163 mm | 68% | 3.7 m/s | 5.5 |
| 2008 | 25.4°C | 18.7°C | 12.0°C | 31.1°C | 3.1°C | 89 mm | 70% | 3.4 m/s | 5.8 |
| 2007 | 22.1°C | 16.5°C | 11.0°C | 27.4°C | -0.3°C | 54 mm | 78% | 2.8 m/s | 5 |
| 2006 | 28.5°C | 21.9°C | 15.4°C | 36.8°C | 7.9°C | 69 mm | 70% | 3.2 m/s | 6 |
| 2005 | 24.1°C | 17.9°C | 11.6°C | 30.4°C | 4.0°C | 26 mm | 73% | 3.3 m/s | 6.1 |
| 2004 | 24.5°C | 18.8°C | 13.2°C | 29.8°C | 5.2°C | 170 mm | 77% | 3.2 m/s | 4.6 |
| 2003 | 25.4°C | 19.2°C | 12.9°C | 30.5°C | 1.6°C | 24 mm | 74% | 3.3 m/s | 6 |
| 2002 | 27.1°C | 21.4°C | 15.7°C | 35.4°C | 7.2°C | 47 mm | 77% | 3.3 m/s | 4.8 |
| 2001 | 25.2°C | 20.1°C | 14.9°C | 29.5°C | 7.1°C | 22 mm | 80% | 3.4 m/s | 4.8 |
| 2000 | 26.5°C | 19.5°C | 12.6°C | 34.5°C | 3.5°C | 92 mm | 67% | 3.2 m/s | 5.4 |
| 1999 | 26.5°C | 20.4°C | 14.2°C | 31.7°C | 2.9°C | 67 mm | 71% | 3.4 m/s | 5.5 |
| 1998 | 24.1°C | 17.2°C | 10.3°C | 28.7°C | 5.7°C | 36 mm | 72% | 3.1 m/s | 6.8 |
| 1997 ❄️ | 21.9°C | 16.0°C | 10.2°C | 31.0°C | 0.7°C | 159 mm | 78% | 3.2 m/s | 5.1 |
| 1996 | 28.4°C | 19.6°C | 10.8°C | 37.7°C | 1.9°C | 70 mm | 56% | 3.9 m/s | 6.3 |
| 1995 | 24.5°C | 18.0°C | 11.5°C | 29.1°C | 4.7°C | 119 mm | 77% | 3.3 m/s | 5.5 |
| 1994 | 25.8°C | 19.3°C | 12.8°C | 33.2°C | 1.9°C | 56 mm | 72% | 3.3 m/s | 5.6 |
| 1993 | 22.8°C | 16.5°C | 10.2°C | 27.8°C | 2.6°C | 111 mm | 78% | 3.5 m/s | 5.3 |
| 1992 | 23.9°C | 18.2°C | 12.4°C | 28.4°C | 2.3°C | 46 mm | 81% | 2.7 m/s | 5.5 |
| 1991 | 25.9°C | 20.1°C | 14.4°C | 30.6°C | 4.8°C | 97 mm | 79% | 2.9 m/s | 4.9 |
| 1990 | 24.5°C | 18.6°C | 12.7°C | 32.6°C | 2.4°C | 119 mm | 78% | 3.3 m/s | 4.8 |
| 1989 | 25.7°C | 18.8°C | 11.9°C | 31.7°C | 1.4°C | 49 mm | 73% | 3 m/s | 5.7 |
| 1988 | 26.7°C | 18.8°C | 10.9°C | 33.9°C | 3.1°C | 38 mm | 63% | 3 m/s | 5.9 |
| 1987 | 24.9°C | 17.2°C | 9.6°C | 31.5°C | -1.6°C | 23 mm | 67% | 2.6 m/s | 6.5 |
| 1986 | 26.3°C | 20.2°C | 14.0°C | 33.3°C | 7.9°C | 115 mm | 73% | 3.3 m/s | 4.9 |
| 1985 | 25.1°C | 19.1°C | 13.2°C | 30.8°C | 4.8°C | 59 mm | 78% | 3.1 m/s | 5.4 |
| 1984 | 27.8°C | 19.6°C | 11.5°C | 35.9°C | 3.4°C | 16 mm | 55% | 3.6 m/s | 6 |
| 1983 | 23.6°C | 16.6°C | 9.6°C | 32.3°C | 2.2°C | 5 mm | 69% | 4 m/s | — |
| 1982 | 24.7°C | 18.1°C | 11.6°C | 32.4°C | 4.9°C | 89 mm | 71% | 3.3 m/s | — |
| 1981 | 28.0°C | 21.8°C | 15.7°C | 34.2°C | 7.5°C | 57 mm | 70% | 3.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 25.6°C with lows near 12.7°C (mean 19.2°C), based on 45 years of NASA POWER data.
April averages 79 mm of rainfall in Waco, about average for rainfall. The wettest on record was 190 mm in 2016.
The hottest April reached 37.7°C in 1996. The coldest dipped to -1.6°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.6°C. Daytime highs moved from 25.8°C to 27.1°C and overnight lows from 12.3°C to 14.1°C over the same span.
April is close to Waco's year-round average and about average for rainfall, so plan for around 25.6°C daytime highs and 12.7°C at night.
Not quite — April is the 6th coolest month in Waco, averaging 19.2°C.
For April in Waco, pack light layers you can adjust through the day, with typical highs of 25.6°C and lows of 12.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 72% — moderately humid.
Average wind speed in April is 3.3 m/s. The windiest April on record averaged 4.3 m/s (2011).
The wettest April on record was 2016 with 190 mm. On average, April sees 79 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 Waco 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.
