April is one of the warmer months of the year in Napier, with average highs near 19.1°C and lows around 11.6°C (mean 15.4°C). It is about average for rainfall, averaging 72 mm of rainfall and 77% relative humidity across the period.
April is one of the warmer months of the year in Napier. Across 45 years of records, the warmest April in Napier was 2025 — when the month averaged 17°C — while the coldest was 1993 at 12.9°C. Typical April days reach 19.1°C with nights near 11.6°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Napier, averaging 72 mm of rainfall. The wettest April on record was 1991 with 229 mm, while the driest was 1986 at 18 mm.
Relative humidity in Napier during April averages 77%. The most humid April was 1995 at 85%, and the least humid was 2020 at 72%.
April receives about 3.1 kWh/m²/day of solar energy in Napier. The sunniest April was 2010 at 3.7 kWh/m²/day, and the cloudiest was 1996 at 2.6.
Average wind speed in Napier during April is 2.7 m/s. The windiest April was 1991 at 3.3 m/s, while the calmest were 2004 and 2010 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.2°C | 15.0°C | 15.2°C | 15.5°C | 15.9°C | +0.7°C |
| Avg High | 19.1°C | 18.7°C | 18.9°C | 19.2°C | 19.8°C | +0.7°C |
| Avg Low | 11.2°C | 11.4°C | 11.5°C | 11.8°C | 12.1°C | +0.9°C |
| Avg Rain | 57 mm | 82 mm | 69 mm | 96 mm | 42 mm | -15 mm |
April temperatures in Napier have risen by about 0.8°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 5.1°C (1991) to a record high of 27.1°C (2021).
Rainfall in April is about average for rainfall, averaging 72 mm, with a wettest year of 229 mm.
A good time to visit Napier
April is a good time to visit Napier, with days averaging 19.1°C and nights around 11.6°C (mean 15.4°C, warmer than Napier's yearly average) and moderate rainfall. February and January 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 🔥 | 20.6°C | 17.0°C | 13.5°C | 24.6°C | 10.4°C | 64 mm | 79% | 3 m/s | 2.9 |
| 2024 | 19.7°C | 15.6°C | 11.6°C | 25.2°C | 7.6°C | 33 mm | 75% | 2.5 m/s | 3.2 |
| 2023 | 19.1°C | 15.8°C | 12.6°C | 24.4°C | 6.9°C | 57 mm | 83% | 2.7 m/s | 3 |
| 2022 | 19.2°C | 15.4°C | 11.7°C | 24.2°C | 8.6°C | 44 mm | 81% | 2.5 m/s | 3.5 |
| 2021 | 20.4°C | 16.0°C | 11.6°C | 27.1°C | 8.1°C | 36 mm | 74% | 2.5 m/s | 3.2 |
| 2020 | 19.7°C | 15.7°C | 11.6°C | 22.8°C | 8.6°C | 18 mm | 72% | 2.5 m/s | 3.4 |
| 2019 | 18.3°C | 14.9°C | 11.6°C | 24.6°C | 7.8°C | 67 mm | 79% | 3 m/s | 3 |
| 2018 | 19.4°C | 15.3°C | 11.2°C | 25.2°C | 6.7°C | 92 mm | 77% | 3 m/s | 3.1 |
| 2017 | 19.2°C | 15.9°C | 12.5°C | 26.5°C | 9.4°C | 191 mm | 82% | 2.5 m/s | 3 |
| 2016 | 19.9°C | 15.9°C | 11.9°C | 26.6°C | 7.7°C | 40 mm | 76% | 2.4 m/s | 3.2 |
| 2015 | 19.3°C | 15.5°C | 11.7°C | 26.1°C | 5.9°C | 77 mm | 77% | 2.8 m/s | 3.1 |
| 2014 | 19.2°C | 16.2°C | 13.1°C | 22.6°C | 8.8°C | 135 mm | 83% | 2.8 m/s | 2.8 |
| 2013 | 20.0°C | 16.2°C | 12.5°C | 26.0°C | 9.0°C | 69 mm | 75% | 2.8 m/s | 2.9 |
| 2012 | 18.3°C | 15.0°C | 11.6°C | 23.3°C | 8.1°C | 58 mm | 80% | 2.8 m/s | 3.2 |
| 2011 | 17.8°C | 14.3°C | 10.9°C | 22.0°C | 6.6°C | 187 mm | 81% | 3 m/s | 2.9 |
| 2010 | 20.1°C | 15.6°C | 11.1°C | 24.2°C | 7.5°C | 40 mm | 74% | 2.3 m/s | 3.7 |
| 2009 | 18.7°C | 14.8°C | 10.9°C | 23.6°C | 6.4°C | 32 mm | 74% | 2.5 m/s | 3.4 |
| 2008 | 18.8°C | 15.5°C | 12.3°C | 22.6°C | 7.4°C | 108 mm | 80% | 2.7 m/s | 3 |
| 2007 | 18.8°C | 14.9°C | 11.0°C | 25.0°C | 6.3°C | 44 mm | 74% | 2.4 m/s | 3.4 |
| 2006 | 20.0°C | 16.3°C | 12.7°C | 24.2°C | 9.3°C | 114 mm | 79% | 2.8 m/s | 3.1 |
| 2005 | 18.4°C | 14.4°C | 10.5°C | 23.9°C | 5.7°C | 64 mm | 78% | 3.1 m/s | 3.4 |
| 2004 | 18.0°C | 14.2°C | 10.5°C | 22.4°C | 6.7°C | 45 mm | 78% | 2.3 m/s | 3.2 |
| 2003 | 18.7°C | 15.4°C | 12.2°C | 24.5°C | 8.8°C | 62 mm | 78% | 2.9 m/s | 2.9 |
| 2002 | 18.5°C | 14.9°C | 11.3°C | 23.1°C | 8.1°C | 33 mm | 76% | 2.8 m/s | 3.1 |
| 2001 | 19.0°C | 15.0°C | 11.1°C | 25.6°C | 7.4°C | 75 mm | 75% | 2.8 m/s | 3.2 |
| 2000 | 20.0°C | 16.2°C | 12.4°C | 26.5°C | 8.0°C | 110 mm | 77% | 2.7 m/s | 3 |
| 1999 | 19.1°C | 15.7°C | 12.2°C | 27.0°C | 7.0°C | 77 mm | 77% | 2.8 m/s | 2.9 |
| 1998 | 20.9°C | 16.9°C | 12.9°C | 25.8°C | 9.8°C | 35 mm | 76% | 2.7 m/s | 3.1 |
| 1997 | 18.1°C | 14.3°C | 10.5°C | 24.2°C | 6.9°C | 56 mm | 76% | 3 m/s | 3.2 |
| 1996 | 19.2°C | 15.8°C | 12.4°C | 23.0°C | 8.6°C | 95 mm | 81% | 2.4 m/s | 2.6 |
| 1995 | 19.1°C | 16.4°C | 13.7°C | 25.0°C | 9.4°C | 135 mm | 85% | 2.9 m/s | 2.9 |
| 1994 | 19.5°C | 15.1°C | 10.7°C | 24.1°C | 5.9°C | 45 mm | 75% | 2.5 m/s | 3.3 |
| 1993 ❄️ | 16.2°C | 12.9°C | 9.7°C | 22.3°C | 6.1°C | 79 mm | 81% | 2.9 m/s | 3 |
| 1992 | 16.8°C | 13.3°C | 9.9°C | 24.1°C | 6.9°C | 21 mm | 74% | 3.2 m/s | 3.4 |
| 1991 🌧️ | 17.7°C | 14.0°C | 10.3°C | 26.2°C | 5.1°C | 229 mm | 79% | 3.3 m/s | 3 |
| 1990 | 20.0°C | 15.8°C | 11.7°C | 23.4°C | 5.4°C | 52 mm | 76% | 2.9 m/s | 3.2 |
| 1989 | 19.8°C | 15.6°C | 11.3°C | 24.3°C | 8.5°C | 23 mm | 73% | 2.6 m/s | 3.5 |
| 1988 | 18.1°C | 14.4°C | 10.6°C | 23.4°C | 8.2°C | 65 mm | 78% | 2.8 m/s | 3.2 |
| 1987 | 18.0°C | 14.4°C | 10.8°C | 24.4°C | 6.7°C | 102 mm | 80% | 3 m/s | 3.2 |
| 1986 | 20.8°C | 16.2°C | 11.5°C | 23.5°C | 9.1°C | 18 mm | 73% | 2.6 m/s | 3.5 |
| 1985 | 18.2°C | 14.6°C | 11.0°C | 23.4°C | 7.5°C | 65 mm | 77% | 2.6 m/s | 3.2 |
| 1984 | 19.4°C | 15.3°C | 11.2°C | 25.5°C | 7.7°C | 33 mm | 75% | 2.7 m/s | 3.2 |
| 1983 | 19.4°C | 15.5°C | 11.5°C | 25.2°C | 7.0°C | 89 mm | 76% | 2.8 m/s | — |
| 1982 | 17.2°C | 14.0°C | 10.8°C | 24.2°C | 7.4°C | 20 mm | 76% | 3 m/s | — |
| 1981 | 20.8°C | 16.5°C | 12.3°C | 24.6°C | 9.0°C | 99 mm | 77% | 2.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 19.1°C with lows near 11.6°C (mean 15.4°C), based on 45 years of NASA POWER data.
April averages 72 mm of rainfall in Napier, about average for rainfall. The wettest on record was 229 mm in 1991.
The hottest April reached 27.1°C in 2021. The coldest dipped to 5.1°C in 1991.
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 19°C to 19.8°C and overnight lows from 11.4°C to 12.2°C over the same span.
April is one of the warmer months of the year in Napier and about average for rainfall, so plan for around 19.1°C daytime highs and 11.6°C at night.
Not quite — April is the 7th coolest month in Napier, averaging 15.4°C.
For April in Napier, pack light layers you can adjust through the day, with typical highs of 19.1°C and lows of 11.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 77% — quite humid.
Average wind speed in April is 2.7 m/s. The windiest April on record averaged 3.3 m/s (1991).
The wettest April on record was 1991 with 229 mm. On average, April sees 72 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 Napier 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.
