April is one of the cooler months of the year in Newark, with average highs near 16.5°C and lows around 5.5°C (mean 11°C). It is about average for rainfall, averaging 94 mm of rainfall and 78% relative humidity across the period.
April is one of the cooler months of the year in Newark. Across 45 years of records, the warmest April in Newark was 2017 — when the month averaged 14.3°C — while the coldest was 1982 at 8.6°C. Typical April days reach 16.5°C with nights near 5.5°C. The long-term trend is warming, about 0.5°C per decade.
April is about average for rainfall in Newark, averaging 94 mm of rainfall. The wettest April on record was 1983 with 205 mm, while the driest was 1985 at 17 mm.
Relative humidity in Newark during April averages 78%. The most humid April was 1984 at 84%, and the least humid was 2012 at 72%.
April receives about 4.9 kWh/m²/day of solar energy in Newark. The sunniest April was 2010 at 5.7 kWh/m²/day, and the cloudiest was 2000 at 4.1.
Average wind speed in Newark during April is 3.1 m/s. The windiest April was 1996 at 3.7 m/s, while the calmest was 2010 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.0°C | 10.5°C | 11.3°C | 11.7°C | 11.9°C | +1.9°C |
| Avg High | 15.6°C | 16.0°C | 16.8°C | 17.3°C | 17.3°C | +1.7°C |
| Avg Low | 4.5°C | 4.9°C | 5.8°C | 6.1°C | 6.4°C | +1.9°C |
| Avg Rain | 102 mm | 85 mm | 100 mm | 85 mm | 104 mm | +3 mm |
April temperatures in Newark have risen by about 2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -6.6°C (1982) to a record high of 32.6°C (2002).
Rainfall in April is about average for rainfall, averaging 94 mm, with a wettest year of 205 mm.
A good time to visit Newark
April is a good time to visit Newark, with days averaging 16.5°C and nights around 5.5°C (mean 11°C, cooler than Newark's yearly average) and higher rainfall. June and September 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 | 17.9°C | 12.4°C | 7.0°C | 25.2°C | -2.9°C | 83 mm | 75% | 3.2 m/s | 4.8 |
| 2024 | 17.4°C | 12.4°C | 7.3°C | 29.4°C | 1.8°C | 97 mm | 81% | 2.9 m/s | 4.8 |
| 2023 | 19.7°C | 13.9°C | 8.1°C | 27.3°C | 0.9°C | 167 mm | 76% | 2.9 m/s | 5.2 |
| 2022 | 16.4°C | 10.8°C | 5.1°C | 25.7°C | 0.2°C | 111 mm | 74% | 3.2 m/s | 5.2 |
| 2021 | 17.3°C | 11.7°C | 6.0°C | 27.2°C | -3.6°C | 53 mm | 77% | 2.9 m/s | 5.2 |
| 2020 | 15.2°C | 10.1°C | 5.0°C | 24.7°C | -0.9°C | 115 mm | 76% | 3.5 m/s | 4.5 |
| 2019 | 18.9°C | 13.4°C | 7.9°C | 23.9°C | -2.3°C | 80 mm | 79% | 3.2 m/s | 5 |
| 2018 | 14.8°C | 9.4°C | 4.0°C | 24.6°C | -1.8°C | 89 mm | 76% | 3.3 m/s | 4.8 |
| 2017 🔥 | 19.7°C | 14.3°C | 8.8°C | 29.1°C | 0.3°C | 71 mm | 80% | 3 m/s | 4.8 |
| 2016 | 16.0°C | 10.5°C | 4.9°C | 25.7°C | -3.9°C | 59 mm | 77% | 3 m/s | 5.2 |
| 2015 | 16.6°C | 11.1°C | 5.5°C | 23.5°C | -2.8°C | 81 mm | 78% | 3.1 m/s | 5.1 |
| 2014 | 15.7°C | 9.9°C | 4.1°C | 22.7°C | -2.3°C | 156 mm | 80% | 3.1 m/s | 5.2 |
| 2013 | 17.2°C | 11.4°C | 5.5°C | 28.2°C | -3.5°C | 72 mm | 78% | 3.1 m/s | 5.5 |
| 2012 | 17.2°C | 11.4°C | 5.6°C | 27.4°C | 0.6°C | 66 mm | 72% | 2.9 m/s | 5.5 |
| 2011 | 17.7°C | 12.5°C | 7.2°C | 26.8°C | 0.2°C | 113 mm | 82% | 3.5 m/s | 4.3 |
| 2010 | 18.8°C | 13.0°C | 7.1°C | 28.4°C | 2.6°C | 59 mm | 78% | 2.5 m/s | 5.7 |
| 2009 | 16.7°C | 11.3°C | 6.0°C | 30.5°C | -2.3°C | 120 mm | 78% | 3.2 m/s | 4.8 |
| 2008 | 17.4°C | 12.2°C | 7.0°C | 26.5°C | -1.5°C | 89 mm | 80% | 2.8 m/s | 4.8 |
| 2007 | 14.8°C | 9.7°C | 4.5°C | 24.8°C | -2.3°C | 166 mm | 79% | 3.1 m/s | 4.5 |
| 2006 | 18.5°C | 12.5°C | 6.6°C | 25.3°C | 0.1°C | 76 mm | 74% | 2.9 m/s | 5.5 |
| 2005 | 17.2°C | 11.4°C | 5.5°C | 26.7°C | 0.1°C | 112 mm | 78% | 3.1 m/s | 5.3 |
| 2004 | 16.4°C | 11.3°C | 6.1°C | 26.2°C | -2.5°C | 137 mm | 81% | 3.1 m/s | 4.8 |
| 2003 | 15.4°C | 10.1°C | 4.8°C | 26.1°C | -3.0°C | 77 mm | 82% | 3.2 m/s | 4.6 |
| 2002 | 19.0°C | 13.1°C | 7.1°C | 32.6°C | -3.9°C | 83 mm | 73% | 3 m/s | 5.2 |
| 2001 | 17.0°C | 11.3°C | 5.6°C | 27.0°C | -1.3°C | 47 mm | 79% | 2.6 m/s | 5 |
| 2000 | 15.5°C | 10.2°C | 5.0°C | 23.2°C | -0.5°C | 98 mm | 81% | 3.3 m/s | 4.1 |
| 1999 | 16.6°C | 10.7°C | 4.7°C | 24.2°C | 0.3°C | 77 mm | 77% | 2.7 m/s | 5 |
| 1998 | 16.9°C | 11.5°C | 6.1°C | 23.4°C | 0.1°C | 95 mm | 79% | 2.7 m/s | 5.2 |
| 1997 | 14.7°C | 9.2°C | 3.7°C | 20.5°C | -4.0°C | 71 mm | 76% | 3.1 m/s | 5.3 |
| 1996 | 14.8°C | 9.7°C | 4.5°C | 24.8°C | -2.4°C | 124 mm | 83% | 3.7 m/s | 4.9 |
| 1995 | 15.9°C | 9.8°C | 3.7°C | 25.3°C | -3.9°C | 55 mm | 74% | 3 m/s | 5.2 |
| 1994 | 18.0°C | 12.3°C | 6.5°C | 26.5°C | -1.7°C | 76 mm | 82% | 2.9 m/s | 5.5 |
| 1993 | 15.5°C | 9.9°C | 4.4°C | 21.5°C | -2.0°C | 129 mm | 82% | 3.3 m/s | 4.8 |
| 1992 | 15.1°C | 9.7°C | 4.3°C | 23.0°C | -2.2°C | 41 mm | 79% | 2.6 m/s | 4.6 |
| 1991 | 16.6°C | 11.2°C | 5.9°C | 24.5°C | -2.5°C | 80 mm | 82% | 2.9 m/s | 4.6 |
| 1990 | 15.9°C | 10.6°C | 5.3°C | 28.5°C | -3.5°C | 97 mm | 80% | 3 m/s | 4.7 |
| 1989 | 15.0°C | 9.4°C | 3.9°C | 22.9°C | -2.3°C | 97 mm | 77% | 2.7 m/s | 5.1 |
| 1988 | 14.5°C | 9.1°C | 3.8°C | 20.3°C | -0.7°C | 73 mm | 79% | 3.4 m/s | 5.1 |
| 1987 | 15.1°C | 10.0°C | 4.9°C | 22.8°C | -2.2°C | 79 mm | 83% | 3.1 m/s | 4.4 |
| 1986 | 15.8°C | 10.5°C | 5.2°C | 23.0°C | 1.1°C | 77 mm | 80% | 2.7 m/s | 4.5 |
| 1985 | 17.9°C | 11.9°C | 5.9°C | 28.6°C | -4.9°C | 17 mm | 75% | 2.8 m/s | 5.1 |
| 1984 | 14.6°C | 9.4°C | 4.3°C | 21.1°C | -2.0°C | 119 mm | 84% | 2.8 m/s | 4.2 |
| 1983 🌧️ | 14.8°C | 9.8°C | 4.7°C | 24.9°C | -1.8°C | 205 mm | 84% | 3.3 m/s | — |
| 1982 ❄️ | 14.7°C | 8.6°C | 2.4°C | 22.5°C | -6.6°C | 131 mm | 75% | 3.6 m/s | — |
| 1981 | 17.9°C | 11.5°C | 5.2°C | 26.0°C | -1.8°C | 115 mm | 75% | 3.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 16.5°C with lows near 5.5°C (mean 11°C), based on 45 years of NASA POWER data.
April averages 94 mm of rainfall in Newark, about average for rainfall. The wettest on record was 205 mm in 1983.
The hottest April reached 32.6°C in 2002. The coldest dipped to -6.6°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 16°C to 17.7°C and overnight lows from 4.5°C to 6.7°C over the same span.
April is one of the cooler months of the year in Newark and about average for rainfall, so plan for around 16.5°C daytime highs and 5.5°C at night.
Not quite — April is the 6th coolest month in Newark, averaging 11°C.
For April in Newark, pack warm layers and a jacket for chilly mornings, with typical highs of 16.5°C and lows of 5.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 3.1 m/s. The windiest April on record averaged 3.7 m/s (1996).
The wettest April on record was 1983 with 205 mm. On average, April sees 94 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 Newark 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.
