April is close to Woomera's year-round average, with average highs near 27.2°C and lows around 13.2°C (mean 20.2°C). It is about average for rainfall, averaging 12 mm of rainfall and 45% relative humidity across the period.
April is close to Woomera's year-round average. Across 45 years of records, the warmest April in Woomera was 2018 — when the month averaged 24.1°C — while the coldest was 1983 at 17.8°C. Typical April days reach 27.2°C with nights near 13.2°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Woomera, averaging 12 mm of rainfall. The wettest April on record was 2010 with 84 mm, while the driest were 1993, 1994 and 1997, among others at 0 mm.
Relative humidity in Woomera during April averages 45%. The most humid April was 1989 at 68%, and the least humid was 2005 at 34%.
April receives about 4.7 kWh/m²/day of solar energy in Woomera. The sunniest Aprils were 1986, 1994 and 1999, among others at 5.1 kWh/m²/day, and the cloudiest was 2015 at 4.1.
Average wind speed in Woomera during April is 3 m/s. The windiest Aprils were 1983, 1986 and 1990 at 3.5 m/s, while the calmest was 2013 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.6°C | 19.6°C | 20.8°C | 20.6°C | 20.2°C | +0.6°C |
| Avg High | 26.8°C | 26.7°C | 28.0°C | 27.5°C | 27.1°C | +0.3°C |
| Avg Low | 12.4°C | 12.5°C | 13.7°C | 13.8°C | 13.4°C | +1°C |
| Avg Rain | 7 mm | 8 mm | 8 mm | 20 mm | 19 mm | +12 mm |
April temperatures in Woomera have risen by about 0.6°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 4.7°C (1983) to a record high of 39.5°C (1986).
Rainfall in April is about average for rainfall, averaging 12 mm, with a wettest year of 84 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 Woomera
April is one of the best times to visit Woomera. Expect days averaging 27.2°C and nights around 13.2°C (mean 20.2°C) — close to Woomera's yearly average — with low rainfall (12 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 | 28.6°C | 21.9°C | 15.2°C | 34.1°C | 10.2°C | 7 mm | 42% | 2.8 m/s | 4.8 |
| 2024 | 25.8°C | 18.7°C | 11.6°C | 32.0°C | 8.6°C | 8 mm | 48% | 3.1 m/s | 4.8 |
| 2023 | 26.2°C | 19.4°C | 12.6°C | 31.0°C | 8.7°C | 22 mm | 50% | 3.1 m/s | 4.6 |
| 2022 | 28.2°C | 21.6°C | 15.0°C | 36.0°C | 10.0°C | 28 mm | 45% | 2.9 m/s | 4.3 |
| 2021 | 27.5°C | 20.3°C | 13.1°C | 34.7°C | 9.6°C | 7 mm | 41% | 2.6 m/s | 4.9 |
| 2020 | 26.0°C | 19.5°C | 13.1°C | 32.1°C | 8.2°C | 41 mm | 52% | 2.9 m/s | 4.4 |
| 2019 | 28.7°C | 21.3°C | 13.8°C | 35.3°C | 8.2°C | 3 mm | 37% | 3.4 m/s | 4.8 |
| 2018 🔥 | 31.4°C | 24.1°C | 16.7°C | 37.9°C | 11.7°C | 1 mm | 36% | 3.1 m/s | 4.8 |
| 2017 | 26.4°C | 19.9°C | 13.4°C | 34.7°C | 7.1°C | 9 mm | 46% | 2.6 m/s | 4.2 |
| 2016 | 28.6°C | 21.4°C | 14.3°C | 35.1°C | 8.6°C | 3 mm | 43% | 3.2 m/s | 4.6 |
| 2015 | 24.0°C | 17.9°C | 11.8°C | 35.2°C | 5.4°C | 21 mm | 53% | 3.1 m/s | 4.1 |
| 2014 | 26.5°C | 20.1°C | 13.7°C | 37.5°C | 9.4°C | 61 mm | 59% | 3 m/s | 4.3 |
| 2013 | 28.3°C | 21.4°C | 14.6°C | 32.3°C | 11.2°C | 8 mm | 43% | 2.4 m/s | 4.6 |
| 2012 | 27.0°C | 20.2°C | 13.4°C | 35.8°C | 7.2°C | 1 mm | 47% | 2.8 m/s | 4.8 |
| 2011 | 26.4°C | 19.2°C | 12.0°C | 31.6°C | 8.1°C | 4 mm | 49% | 2.9 m/s | 4.9 |
| 2010 🌧️ | 27.2°C | 20.6°C | 14.1°C | 32.9°C | 9.2°C | 84 mm | 56% | 2.5 m/s | 4.5 |
| 2009 | 27.1°C | 20.3°C | 13.5°C | 36.4°C | 9.0°C | 5 mm | 43% | 3.1 m/s | 4.7 |
| 2008 | 26.4°C | 19.3°C | 12.1°C | 31.9°C | 6.1°C | 3 mm | 37% | 3.2 m/s | 4.6 |
| 2007 | 28.3°C | 21.3°C | 14.3°C | 34.0°C | 10.0°C | 16 mm | 44% | 3.2 m/s | 4.7 |
| 2006 | 25.6°C | 18.7°C | 11.8°C | 31.5°C | 7.5°C | 11 mm | 47% | 3.4 m/s | 4.4 |
| 2005 | 31.1°C | 23.3°C | 15.6°C | 39.0°C | 9.9°C | 2 mm | 34% | 3 m/s | 4.9 |
| 2004 | 28.8°C | 21.8°C | 14.8°C | 36.8°C | 7.3°C | 0 mm | 37% | 3.2 m/s | 4.5 |
| 2003 | 27.6°C | 20.3°C | 13.0°C | 32.3°C | 8.2°C | 16 mm | 43% | 2.7 m/s | 4.6 |
| 2002 | 30.4°C | 23.0°C | 15.6°C | 36.0°C | 9.0°C | 2 mm | 35% | 2.9 m/s | 4.4 |
| 2001 | 27.5°C | 20.1°C | 12.8°C | 34.0°C | 8.3°C | 5 mm | 41% | 2.9 m/s | 5 |
| 2000 | 26.7°C | 20.1°C | 13.5°C | 32.7°C | 8.5°C | 17 mm | 50% | 3.2 m/s | 4.8 |
| 1999 | 25.9°C | 18.5°C | 11.1°C | 31.1°C | 5.6°C | 5 mm | 40% | 2.7 m/s | 5.1 |
| 1998 | 24.9°C | 18.4°C | 12.0°C | 34.9°C | 6.4°C | 26 mm | 48% | 2.9 m/s | 4.5 |
| 1997 | 28.5°C | 20.7°C | 13.0°C | 32.4°C | 7.8°C | 0 mm | 38% | 2.8 m/s | 5 |
| 1996 | 26.0°C | 19.0°C | 12.1°C | 36.7°C | 8.4°C | 0 mm | 47% | 3.2 m/s | 4.8 |
| 1995 | 24.8°C | 17.9°C | 11.0°C | 30.7°C | 7.3°C | 17 mm | 47% | 3 m/s | 4.6 |
| 1994 | 27.4°C | 20.0°C | 12.6°C | 32.1°C | 9.3°C | 0 mm | 41% | 3 m/s | 5.1 |
| 1993 | 29.0°C | 21.4°C | 13.8°C | 35.6°C | 10.3°C | 0 mm | 37% | 2.8 m/s | 4.8 |
| 1992 | 26.5°C | 20.1°C | 13.7°C | 36.1°C | 8.1°C | 12 mm | 49% | 2.9 m/s | 4.5 |
| 1991 | 27.6°C | 20.3°C | 13.0°C | 34.7°C | 7.9°C | 2 mm | 42% | 2.9 m/s | 4.9 |
| 1990 | 26.5°C | 19.8°C | 13.0°C | 31.7°C | 6.6°C | 22 mm | 48% | 3.5 m/s | 4.7 |
| 1989 | 24.4°C | 18.0°C | 11.6°C | 30.5°C | 8.5°C | 25 mm | 68% | 2.7 m/s | 4.8 |
| 1988 | 26.9°C | 19.8°C | 12.7°C | 30.3°C | 8.5°C | 3 mm | 51% | 3.1 m/s | 4.8 |
| 1987 | 27.8°C | 20.3°C | 12.7°C | 34.4°C | 8.5°C | 1 mm | 40% | 2.8 m/s | 4.7 |
| 1986 | 27.1°C | 19.5°C | 11.9°C | 39.5°C | 6.9°C | 0 mm | 43% | 3.5 m/s | 5.1 |
| 1985 | 26.8°C | 19.3°C | 11.8°C | 38.5°C | 8.2°C | 0 mm | 39% | 2.8 m/s | 5.1 |
| 1984 | 26.3°C | 19.0°C | 11.7°C | 33.1°C | 7.8°C | 18 mm | 50% | 3.2 m/s | 4.6 |
| 1983 ❄️ | 24.1°C | 17.8°C | 11.4°C | 30.2°C | 4.7°C | 13 mm | 49% | 3.5 m/s | — |
| 1982 | 27.3°C | 19.9°C | 12.5°C | 33.7°C | 7.9°C | 1 mm | 41% | 2.8 m/s | — |
| 1981 | 30.5°C | 22.8°C | 15.1°C | 35.6°C | 7.6°C | 5 mm | 40% | 2.5 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 27.2°C with lows near 13.2°C (mean 20.2°C), based on 45 years of NASA POWER data.
April averages 12 mm of rainfall in Woomera, about average for rainfall. The wettest on record was 84 mm in 2010.
The hottest April reached 39.5°C in 1986. The coldest dipped to 4.7°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.6°C. Daytime highs moved from 27°C to 27.3°C and overnight lows from 12.5°C to 13.5°C over the same span.
April is close to Woomera's year-round average and about average for rainfall, so plan for around 27.2°C daytime highs and 13.2°C at night.
Not quite — April is the 6th coolest month in Woomera, averaging 20.2°C.
For April in Woomera, pack light layers you can adjust through the day, with typical highs of 27.2°C and lows of 13.2°C.
Relative humidity in April averages 45% — relatively dry.
Average wind speed in April is 3 m/s. The windiest April on record averaged 3.5 m/s (1983).
The wettest April on record was 2010 with 84 mm. On average, April sees 12 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 Woomera 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.
