April is one of the warmer months of the year in Newcastle, with average highs near 22.3°C and lows around 17.8°C (mean 20.1°C). It is a relatively wet time of year, averaging 102 mm of rainfall and 74% relative humidity across the period.
April is one of the warmer months of the year in Newcastle. Across 45 years of records, the warmest Aprils in Newcastle were 2016 and 2018 — when the month averaged 21.9°C — while the coldest were 1983 and 1995 at 18.5°C. Typical April days reach 22.3°C with nights near 17.8°C. The long-term trend is warming, about 0.2°C per decade.
April is a relatively wet time of year in Newcastle, averaging 102 mm of rainfall. The wettest April on record was 1988 with 372 mm, while the driest was 1991 at 13 mm.
Relative humidity in Newcastle during April averages 74%. The most humid April was 1990 at 83%, and the least humid was 2006 at 63%.
April receives about 3.9 kWh/m²/day of solar energy in Newcastle. The sunniest April was 2006 at 4.6 kWh/m²/day, and the cloudiest was 1988 at 2.9.
Average wind speed in Newcastle during April is 2.8 m/s. The windiest April was 1999 at 3.6 m/s, while the calmest was 2021 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.8°C | 19.7°C | 20.1°C | 20.6°C | 20.2°C | +0.4°C |
| Avg High | 22.0°C | 22.0°C | 22.3°C | 22.9°C | 22.3°C | +0.3°C |
| Avg Low | 17.6°C | 17.3°C | 18.0°C | 18.3°C | 18.1°C | +0.5°C |
| Avg Rain | 146 mm | 94 mm | 97 mm | 83 mm | 89 mm | -57 mm |
April temperatures in Newcastle have risen by about 0.8°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 10.4°C (2008) to a record high of 31.1°C (1986).
Rainfall in April is a relatively wet time of year, averaging 102 mm, with a wettest year of 372 mm.
A good time to visit Newcastle
April is a good time to visit Newcastle, with days averaging 22.3°C and nights around 17.8°C (mean 20.1°C, warmer than Newcastle's yearly average) and higher 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 | 23.7°C | 21.5°C | 19.4°C | 27.2°C | 17.8°C | 122 mm | 73% | 3 m/s | 3.9 |
| 2024 | 22.6°C | 20.6°C | 18.5°C | 26.6°C | 15.9°C | 203 mm | 77% | 2.9 m/s | 3.8 |
| 2023 | 22.3°C | 20.2°C | 18.1°C | 26.3°C | 14.0°C | 61 mm | 72% | 3 m/s | 3.9 |
| 2022 | 22.1°C | 20.4°C | 18.6°C | 24.5°C | 16.0°C | 67 mm | 79% | 2.8 m/s | 3.7 |
| 2021 | 20.9°C | 18.6°C | 16.3°C | 24.7°C | 12.3°C | 26 mm | 75% | 2.2 m/s | 4.4 |
| 2020 | 22.3°C | 19.8°C | 17.4°C | 24.8°C | 13.1°C | 56 mm | 75% | 2.8 m/s | 4 |
| 2019 | 23.8°C | 21.4°C | 18.9°C | 28.6°C | 15.4°C | 23 mm | 72% | 2.4 m/s | 4.3 |
| 2018 | 24.3°C | 21.9°C | 19.5°C | 28.4°C | 17.1°C | 27 mm | 73% | 2.8 m/s | 4.4 |
| 2017 | 22.0°C | 19.8°C | 17.6°C | 25.6°C | 13.7°C | 33 mm | 73% | 2.9 m/s | 4.2 |
| 2016 🔥 | 24.4°C | 21.9°C | 19.4°C | 30.0°C | 17.8°C | 27 mm | 72% | 2.6 m/s | 3.9 |
| 2015 | 22.0°C | 19.6°C | 17.3°C | 27.8°C | 14.3°C | 233 mm | 77% | 3 m/s | 3.5 |
| 2014 | 22.9°C | 20.7°C | 18.5°C | 26.6°C | 15.0°C | 91 mm | 75% | 2.8 m/s | 3.7 |
| 2013 | 22.2°C | 19.8°C | 17.4°C | 25.9°C | 15.2°C | 103 mm | 72% | 2.4 m/s | 4.2 |
| 2012 | 22.3°C | 20.0°C | 17.8°C | 25.8°C | 13.0°C | 132 mm | 77% | 2.7 m/s | 3.8 |
| 2011 | 22.0°C | 19.9°C | 17.9°C | 26.4°C | 14.6°C | 125 mm | 72% | 2.9 m/s | 3.8 |
| 2010 | 23.4°C | 20.9°C | 18.4°C | 26.9°C | 14.9°C | 38 mm | 70% | 2.6 m/s | 4.1 |
| 2009 | 21.6°C | 19.8°C | 18.1°C | 24.6°C | 13.5°C | 81 mm | 75% | 3.2 m/s | 3.6 |
| 2008 | 20.4°C | 18.6°C | 16.8°C | 25.8°C | 10.4°C | 220 mm | 74% | 3.1 m/s | 3.5 |
| 2007 | 22.2°C | 20.2°C | 18.2°C | 25.8°C | 16.1°C | 148 mm | 75% | 2.6 m/s | 3.8 |
| 2006 | 23.1°C | 20.0°C | 17.0°C | 29.6°C | 12.5°C | 46 mm | 63% | 2.9 m/s | 4.6 |
| 2005 | 23.3°C | 21.0°C | 18.7°C | 27.0°C | 16.1°C | 35 mm | 77% | 2.5 m/s | 4.2 |
| 2004 | 23.3°C | 20.9°C | 18.5°C | 27.9°C | 14.9°C | 35 mm | 72% | 2.6 m/s | 4.3 |
| 2003 | 21.5°C | 19.8°C | 18.1°C | 24.4°C | 15.7°C | 158 mm | 77% | 3.2 m/s | 3.4 |
| 2002 | 22.8°C | 20.5°C | 18.3°C | 25.2°C | 16.5°C | 57 mm | 76% | 2.7 m/s | 3.9 |
| 2001 | 23.0°C | 20.5°C | 18.1°C | 26.5°C | 15.0°C | 102 mm | 76% | 2.7 m/s | 3.9 |
| 2000 | 21.7°C | 20.0°C | 18.2°C | 25.6°C | 15.2°C | 88 mm | 79% | 2.8 m/s | 3.6 |
| 1999 | 20.5°C | 18.9°C | 17.4°C | 23.1°C | 13.7°C | 251 mm | 78% | 3.6 m/s | 3.5 |
| 1998 | 23.4°C | 21.1°C | 18.8°C | 28.6°C | 14.9°C | 131 mm | 72% | 2.9 m/s | 3.7 |
| 1997 | 23.3°C | 20.4°C | 17.5°C | 27.7°C | 15.5°C | 37 mm | 69% | 2.6 m/s | 4.4 |
| 1996 | 22.7°C | 19.6°C | 16.6°C | 28.9°C | 11.5°C | 25 mm | 64% | 2.7 m/s | 4.2 |
| 1995 | 21.1°C | 18.5°C | 16.0°C | 24.2°C | 12.0°C | 25 mm | 68% | 3 m/s | 4.3 |
| 1994 | 22.1°C | 19.5°C | 17.0°C | 25.3°C | 11.4°C | 74 mm | 74% | 2.9 m/s | 4.2 |
| 1993 | 22.4°C | 20.0°C | 17.5°C | 27.9°C | 15.6°C | 30 mm | 73% | 2.5 m/s | 4.1 |
| 1992 | 20.9°C | 19.1°C | 17.3°C | 24.0°C | 13.6°C | 114 mm | 79% | 2.9 m/s | 3.6 |
| 1991 | 22.2°C | 19.5°C | 16.9°C | 27.5°C | 13.8°C | 13 mm | 66% | 2.7 m/s | 4.4 |
| 1990 | 21.5°C | 19.9°C | 18.4°C | 24.8°C | 13.1°C | 243 mm | 83% | 3.3 m/s | 3 |
| 1989 | 21.9°C | 20.4°C | 19.0°C | 23.9°C | 16.6°C | 218 mm | 82% | 3.4 m/s | 3.4 |
| 1988 🌧️ | 21.3°C | 19.8°C | 18.3°C | 24.4°C | 16.0°C | 372 mm | 82% | 2.9 m/s | 2.9 |
| 1987 | 22.6°C | 19.9°C | 17.3°C | 27.2°C | 15.2°C | 63 mm | 73% | 2.5 m/s | 4.1 |
| 1986 | 24.0°C | 20.7°C | 17.4°C | 31.1°C | 14.2°C | 57 mm | 66% | 2.6 m/s | 4.5 |
| 1985 | 21.9°C | 19.8°C | 17.7°C | 26.4°C | 14.0°C | 216 mm | 74% | 2.9 m/s | 3.9 |
| 1984 | 21.1°C | 18.9°C | 16.7°C | 24.0°C | 12.6°C | 98 mm | 76% | 2.6 m/s | 3.9 |
| 1983 ❄️ | 20.5°C | 18.5°C | 16.6°C | 24.7°C | 12.8°C | 162 mm | 77% | 3.1 m/s | — |
| 1982 | 22.1°C | 19.7°C | 17.3°C | 25.3°C | 13.0°C | 18 mm | 71% | 2.5 m/s | — |
| 1981 | 22.8°C | 20.4°C | 18.0°C | 25.5°C | 14.6°C | 110 mm | 72% | 2.7 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 22.3°C with lows near 17.8°C (mean 20.1°C), based on 45 years of NASA POWER data.
April averages 102 mm of rainfall in Newcastle, a relatively wet time of year. The wettest on record was 372 mm in 1988.
The hottest April reached 31.1°C in 1986. The coldest dipped to 10.4°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.8°C. Daytime highs moved from 21.7°C to 22.3°C and overnight lows from 17.3°C to 18.2°C over the same span.
April is one of the warmer months of the year in Newcastle and a relatively wet time of year, so plan for around 22.3°C daytime highs and 17.8°C at night.
Not quite — April is the 7th coolest month in Newcastle, averaging 20.1°C.
For April in Newcastle, pack light layers you can adjust through the day, with typical highs of 22.3°C and lows of 17.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 74% — moderately humid.
Average wind speed in April is 2.8 m/s. The windiest April on record averaged 3.6 m/s (1999).
The wettest April on record was 1988 with 372 mm. On average, April sees 102 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 Newcastle 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.
