April is one of the warmer months of the year in Cowell, with average highs near 23.3°C and lows around 12.8°C (mean 18.1°C). It is about average for rainfall, averaging 20 mm of rainfall and 62% relative humidity across the period.
April is one of the warmer months of the year in Cowell. Across 45 years of records, the warmest April in Cowell was 2018 — when the month averaged 21.4°C — while the coldest was 1983 at 15.3°C. Typical April days reach 23.3°C with nights near 12.8°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Cowell, averaging 20 mm of rainfall. The wettest April on record was 1983 with 68 mm, while the driest was 1997 at 0 mm.
Relative humidity in Cowell during April averages 62%. The most humid April was 1989 at 69%, and the least humid was 2019 at 52%.
April receives about 4.3 kWh/m²/day of solar energy in Cowell. The sunniest Aprils were 1999 and 2018 at 4.7 kWh/m²/day, and the cloudiest were 2014 and 2015 at 3.8.
Average wind speed in Cowell during April is 3.4 m/s. The windiest April was 1986 at 4.3 m/s, while the calmest were 2002 and 2010 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.6°C | 17.4°C | 18.4°C | 18.7°C | 18.4°C | +0.8°C |
| Avg High | 22.9°C | 22.5°C | 23.9°C | 23.9°C | 23.6°C | +0.7°C |
| Avg Low | 12.2°C | 12.4°C | 12.9°C | 13.5°C | 13.2°C | +1°C |
| Avg Rain | 21 mm | 17 mm | 19 mm | 24 mm | 19 mm | -2 mm |
April temperatures in Cowell have risen by about 1.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 5.9°C (1983) to a record high of 37°C (2018).
Rainfall in April is about average for rainfall, averaging 20 mm, with a wettest year of 68 mm.
A good time to visit Cowell
April is a good time to visit Cowell, with days averaging 23.3°C and nights around 12.8°C (mean 18.1°C, close to Cowell's yearly average) and low rainfall. December and March 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 | 25.4°C | 20.4°C | 15.4°C | 33.5°C | 11.8°C | 5 mm | 58% | 3.2 m/s | 4.3 |
| 2024 | 21.3°C | 16.7°C | 12.1°C | 27.2°C | 9.1°C | 12 mm | 66% | 3.4 m/s | 4.2 |
| 2023 | 23.4°C | 18.0°C | 12.6°C | 30.3°C | 9.5°C | 22 mm | 61% | 3.7 m/s | 4.2 |
| 2022 | 24.5°C | 19.3°C | 14.0°C | 31.6°C | 10.6°C | 28 mm | 63% | 3.3 m/s | 4 |
| 2021 | 24.5°C | 18.8°C | 13.1°C | 33.7°C | 9.9°C | 7 mm | 60% | 3 m/s | 4.4 |
| 2020 | 22.4°C | 17.2°C | 12.0°C | 29.4°C | 9.6°C | 39 mm | 66% | 3.6 m/s | 3.9 |
| 2019 | 25.4°C | 19.4°C | 13.4°C | 33.8°C | 9.6°C | 5 mm | 52% | 3.8 m/s | 4.5 |
| 2018 🔥 | 27.4°C | 21.4°C | 15.3°C | 37.0°C | 10.7°C | 4 mm | 57% | 3.6 m/s | 4.7 |
| 2017 | 23.4°C | 18.5°C | 13.6°C | 30.0°C | 9.8°C | 18 mm | 63% | 3 m/s | 4.1 |
| 2016 | 24.0°C | 18.8°C | 13.5°C | 29.6°C | 9.9°C | 22 mm | 63% | 3.3 m/s | 4.2 |
| 2015 | 20.3°C | 16.2°C | 12.2°C | 29.2°C | 8.3°C | 48 mm | 67% | 3.6 m/s | 3.8 |
| 2014 | 22.9°C | 18.2°C | 13.5°C | 34.5°C | 10.5°C | 49 mm | 69% | 3.5 m/s | 3.8 |
| 2013 | 24.3°C | 18.9°C | 13.4°C | 30.1°C | 10.0°C | 38 mm | 62% | 3.1 m/s | 4.1 |
| 2012 | 24.3°C | 18.9°C | 13.5°C | 34.2°C | 9.5°C | 18 mm | 58% | 3.2 m/s | 4.4 |
| 2011 | 22.6°C | 17.4°C | 12.2°C | 29.1°C | 10.1°C | 18 mm | 67% | 3.2 m/s | 4.5 |
| 2010 | 24.2°C | 19.1°C | 13.9°C | 29.5°C | 8.8°C | 17 mm | 64% | 2.9 m/s | 4 |
| 2009 | 23.3°C | 18.1°C | 13.0°C | 34.0°C | 10.0°C | 23 mm | 64% | 3.7 m/s | 4.3 |
| 2008 | 23.1°C | 17.6°C | 12.2°C | 30.4°C | 7.9°C | 20 mm | 57% | 3.5 m/s | 4.3 |
| 2007 | 24.0°C | 18.7°C | 13.4°C | 30.6°C | 9.2°C | 29 mm | 63% | 3.6 m/s | 4.4 |
| 2006 | 21.2°C | 16.4°C | 11.7°C | 28.1°C | 8.3°C | 27 mm | 65% | 4 m/s | 3.9 |
| 2005 | 26.7°C | 20.4°C | 14.2°C | 36.6°C | 8.5°C | 8 mm | 54% | 3.6 m/s | 4.6 |
| 2004 | 24.2°C | 19.0°C | 13.8°C | 34.0°C | 10.6°C | 11 mm | 61% | 3.3 m/s | 3.9 |
| 2003 | 23.7°C | 18.0°C | 12.4°C | 30.0°C | 9.1°C | 17 mm | 62% | 3.2 m/s | 4.2 |
| 2002 | 25.7°C | 19.7°C | 13.6°C | 31.9°C | 9.4°C | 7 mm | 59% | 2.9 m/s | 4 |
| 2001 | 23.4°C | 17.9°C | 12.4°C | 31.4°C | 9.1°C | 10 mm | 58% | 3.4 m/s | 4.4 |
| 2000 | 23.5°C | 18.1°C | 12.7°C | 29.2°C | 9.5°C | 35 mm | 66% | 3.4 m/s | 4.5 |
| 1999 | 21.8°C | 16.6°C | 11.4°C | 28.5°C | 7.2°C | 5 mm | 63% | 3 m/s | 4.7 |
| 1998 | 21.1°C | 16.4°C | 11.7°C | 33.8°C | 8.5°C | 48 mm | 65% | 3.6 m/s | 4.1 |
| 1997 | 24.2°C | 18.5°C | 12.9°C | 29.8°C | 9.0°C | 0 mm | 61% | 3.1 m/s | 4.5 |
| 1996 | 21.0°C | 16.6°C | 12.1°C | 33.5°C | 9.1°C | 6 mm | 65% | 3.8 m/s | 4.1 |
| 1995 | 21.1°C | 16.1°C | 11.1°C | 28.4°C | 7.8°C | 16 mm | 63% | 3.5 m/s | 4.3 |
| 1994 | 23.6°C | 18.4°C | 13.3°C | 30.6°C | 10.7°C | 5 mm | 58% | 3.3 m/s | 4.6 |
| 1993 | 24.8°C | 18.9°C | 13.0°C | 31.2°C | 10.4°C | 2 mm | 55% | 3 m/s | 4.6 |
| 1992 | 21.9°C | 17.3°C | 12.7°C | 32.3°C | 7.6°C | 53 mm | 66% | 3.1 m/s | 4.1 |
| 1991 | 23.1°C | 17.9°C | 12.8°C | 32.5°C | 8.9°C | 18 mm | 62% | 3.3 m/s | 4.3 |
| 1990 | 22.5°C | 17.7°C | 12.9°C | 30.6°C | 8.7°C | 15 mm | 65% | 4.2 m/s | 4.6 |
| 1989 | 22.6°C | 17.5°C | 12.4°C | 30.6°C | 9.6°C | 30 mm | 69% | 3.3 m/s | 4.2 |
| 1988 | 23.1°C | 17.8°C | 12.4°C | 27.9°C | 9.4°C | 4 mm | 66% | 3.6 m/s | 4.4 |
| 1987 | 24.0°C | 18.1°C | 12.2°C | 32.0°C | 8.4°C | 8 mm | 57% | 3.3 m/s | 4.4 |
| 1986 | 22.9°C | 17.5°C | 12.2°C | 36.0°C | 9.6°C | 11 mm | 59% | 4.3 m/s | 4.3 |
| 1985 | 22.8°C | 17.5°C | 12.2°C | 36.0°C | 9.1°C | 29 mm | 60% | 3.4 m/s | 4.4 |
| 1984 | 22.1°C | 16.9°C | 11.6°C | 29.6°C | 8.2°C | 23 mm | 66% | 3.4 m/s | 4.2 |
| 1983 ❄️ 🌧️ | 19.6°C | 15.3°C | 10.9°C | 24.7°C | 5.9°C | 68 mm | 69% | 4 m/s | — |
| 1982 | 23.2°C | 17.7°C | 12.3°C | 30.9°C | 8.9°C | 16 mm | 62% | 3.3 m/s | — |
| 1981 | 26.1°C | 19.7°C | 13.3°C | 32.1°C | 8.9°C | 3 mm | 59% | 3.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 23.3°C with lows near 12.8°C (mean 18.1°C), based on 45 years of NASA POWER data.
April averages 20 mm of rainfall in Cowell, about average for rainfall. The wettest on record was 68 mm in 1983.
The hottest April reached 37°C in 2018. The coldest dipped to 5.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.2°C. Daytime highs moved from 22.8°C to 23.8°C and overnight lows from 12.1°C to 13.4°C over the same span.
April is one of the warmer months of the year in Cowell and about average for rainfall, so plan for around 23.3°C daytime highs and 12.8°C at night.
Not quite — April is the 7th coolest month in Cowell, averaging 18.1°C.
For April in Cowell, pack light layers you can adjust through the day, with typical highs of 23.3°C and lows of 12.8°C.
Relative humidity in April averages 62% — moderately humid.
Average wind speed in April is 3.4 m/s. The windiest April on record averaged 4.3 m/s (1986).
The wettest April on record was 1983 with 68 mm. On average, April sees 20 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 Cowell 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.