July is one of the cooler months of the year in Napier, with average highs near 12.5°C and lows around 6.7°C (mean 9.6°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 84% relative humidity across the period.
July is one of the cooler months of the year in Napier. Across 45 years of records, the warmest July in Napier was 1998 — when the month averaged 11.3°C — while the coldest were 1982, 1994 and 2009 at 8.6°C. Typical July days reach 12.5°C with nights near 6.7°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Napier, averaging 96 mm of rainfall. The wettest July on record was 1985 with 206 mm, while the driest was 1993 at 20 mm.
Relative humidity in Napier during July averages 84%. The most humid July was 1996 at 88%, and the least humid was 2016 at 78%.
July receives about 1.9 kWh/m²/day of solar energy in Napier. The sunniest Julys were 2003, 2013 and 2018, among others at 2.1 kWh/m²/day, and the cloudiest were 1984, 1998 and 2002 at 1.6.
Average wind speed in Napier during July is 3.1 m/s. The windiest July was 2016 at 3.8 m/s, while the calmest was 1993 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.3°C | 9.4°C | 9.7°C | 9.6°C | 10.1°C | +0.8°C |
| Avg High | 12.3°C | 12.3°C | 12.4°C | 12.7°C | 13.1°C | +0.8°C |
| Avg Low | 6.4°C | 6.5°C | 6.9°C | 6.6°C | 7.3°C | +0.9°C |
| Avg Rain | 91 mm | 100 mm | 108 mm | 85 mm | 93 mm | +2 mm |
July temperatures in Napier have risen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 1.6°C (1994) to a record high of 18.8°C (1999).
Rainfall in July is a relatively wet time of year, averaging 96 mm, with a wettest year of 206 mm.
A quieter season to visit Napier
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Napier. That said, July — with days averaging 12.5°C and nights around 6.7°C (mean 9.6°C) and higher rainfall (96 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.2°C | 10.2°C | 7.3°C | 18.3°C | 3.8°C | 117 mm | 86% | 2.6 m/s | 1.9 |
| 2024 | 12.7°C | 9.9°C | 7.2°C | 15.9°C | 4.0°C | 81 mm | 87% | 2.7 m/s | 1.9 |
| 2023 | 13.3°C | 10.3°C | 7.2°C | 16.2°C | 3.7°C | 104 mm | 84% | 3.6 m/s | 1.9 |
| 2022 | 13.2°C | 10.5°C | 7.9°C | 16.7°C | 4.5°C | 138 mm | 84% | 3.1 m/s | 1.8 |
| 2021 | 13.4°C | 10.2°C | 7.1°C | 16.8°C | 3.9°C | 40 mm | 83% | 2.7 m/s | 2 |
| 2020 | 12.6°C | 9.7°C | 6.9°C | 15.6°C | 4.6°C | 76 mm | 85% | 3.2 m/s | 2 |
| 2019 | 14.0°C | 10.7°C | 7.5°C | 16.3°C | 4.2°C | 93 mm | 87% | 2.6 m/s | 1.8 |
| 2018 | 13.4°C | 10.0°C | 6.6°C | 15.8°C | 4.6°C | 38 mm | 83% | 2.9 m/s | 2.1 |
| 2017 | 12.1°C | 9.3°C | 6.5°C | 15.4°C | 2.2°C | 121 mm | 84% | 3 m/s | 1.8 |
| 2016 | 13.2°C | 10.0°C | 6.8°C | 17.4°C | 2.8°C | 67 mm | 78% | 3.8 m/s | 2 |
| 2015 | 12.0°C | 8.8°C | 5.7°C | 16.0°C | 2.2°C | 55 mm | 84% | 3.3 m/s | 2 |
| 2014 | 12.2°C | 9.3°C | 6.4°C | 16.5°C | 1.8°C | 41 mm | 84% | 3.7 m/s | 1.9 |
| 2013 | 13.7°C | 10.1°C | 6.5°C | 17.3°C | 3.8°C | 98 mm | 84% | 2.6 m/s | 2.1 |
| 2012 | 12.1°C | 9.5°C | 6.8°C | 14.7°C | 3.9°C | 134 mm | 87% | 2.7 m/s | 1.8 |
| 2011 | 12.1°C | 9.2°C | 6.3°C | 14.4°C | 2.3°C | 116 mm | 83% | 3.7 m/s | 2 |
| 2010 | 12.0°C | 9.3°C | 6.5°C | 14.4°C | 2.6°C | 82 mm | 85% | 2.9 m/s | 2 |
| 2009 | 11.4°C | 8.6°C | 5.7°C | 14.6°C | 2.6°C | 80 mm | 85% | 3 m/s | 1.8 |
| 2008 | 12.3°C | 9.7°C | 7.0°C | 15.9°C | 2.9°C | 144 mm | 86% | 3.6 m/s | 1.7 |
| 2007 | 12.7°C | 10.3°C | 7.8°C | 16.4°C | 3.5°C | 191 mm | 85% | 3.2 m/s | 1.7 |
| 2006 | 13.0°C | 10.0°C | 6.9°C | 16.6°C | 3.1°C | 145 mm | 84% | 2.9 m/s | 2 |
| 2005 | 13.3°C | 10.1°C | 6.9°C | 16.5°C | 3.1°C | 88 mm | 86% | 2.9 m/s | 1.7 |
| 2004 | 11.6°C | 8.8°C | 5.9°C | 15.3°C | 3.0°C | 114 mm | 85% | 3.2 m/s | 1.9 |
| 2003 | 12.0°C | 9.0°C | 6.1°C | 14.4°C | 2.3°C | 52 mm | 82% | 3 m/s | 2.1 |
| 2002 | 12.4°C | 10.1°C | 7.7°C | 15.8°C | 3.8°C | 126 mm | 86% | 3.4 m/s | 1.6 |
| 2001 | 11.8°C | 9.1°C | 6.4°C | 15.3°C | 3.2°C | 60 mm | 81% | 2.8 m/s | 1.9 |
| 2000 | 13.7°C | 11.2°C | 8.6°C | 17.0°C | 4.9°C | 76 mm | 84% | 3.2 m/s | 1.9 |
| 1999 | 13.1°C | 10.0°C | 6.9°C | 18.8°C | 3.2°C | 70 mm | 84% | 3.2 m/s | 1.9 |
| 1998 🔥 | 14.0°C | 11.3°C | 8.6°C | 18.6°C | 4.3°C | 146 mm | 85% | 2.8 m/s | 1.6 |
| 1997 | 12.0°C | 8.9°C | 5.7°C | 15.8°C | 3.1°C | 117 mm | 83% | 2.9 m/s | 2 |
| 1996 | 11.7°C | 9.3°C | 6.9°C | 15.8°C | 2.9°C | 157 mm | 88% | 2.8 m/s | 1.7 |
| 1995 | 11.5°C | 8.7°C | 5.9°C | 14.0°C | 3.3°C | 96 mm | 83% | 3.7 m/s | 1.8 |
| 1994 | 11.6°C | 8.6°C | 5.5°C | 14.3°C | 1.6°C | 126 mm | 86% | 3.3 m/s | 1.9 |
| 1993 | 12.2°C | 9.1°C | 6.0°C | 14.3°C | 2.7°C | 20 mm | 83% | 2.3 m/s | 2.1 |
| 1992 | 12.7°C | 9.8°C | 6.8°C | 15.1°C | 2.4°C | 58 mm | 83% | 3.5 m/s | 1.8 |
| 1991 | 11.9°C | 8.9°C | 5.9°C | 14.8°C | 2.3°C | 33 mm | 82% | 2.7 m/s | 1.9 |
| 1990 | 12.2°C | 9.6°C | 7.0°C | 15.8°C | 3.1°C | 180 mm | 86% | 3.1 m/s | 1.8 |
| 1989 | 11.8°C | 8.8°C | 5.8°C | 15.1°C | 2.8°C | 50 mm | 82% | 2.4 m/s | 2.1 |
| 1988 | 12.8°C | 9.9°C | 6.9°C | 17.1°C | 3.4°C | 121 mm | 84% | 3.4 m/s | 1.9 |
| 1987 | 11.8°C | 9.1°C | 6.4°C | 14.5°C | 2.4°C | 116 mm | 86% | 3.3 m/s | 1.9 |
| 1986 | 11.9°C | 8.7°C | 5.5°C | 14.8°C | 2.7°C | 74 mm | 81% | 3.4 m/s | 2 |
| 1985 🌧️ | 13.2°C | 10.1°C | 7.0°C | 16.5°C | 4.3°C | 206 mm | 86% | 2.9 m/s | 2 |
| 1984 | 13.2°C | 10.1°C | 6.9°C | 17.0°C | 3.5°C | 55 mm | 85% | 2.8 m/s | 1.6 |
| 1983 | 11.7°C | 8.7°C | 5.7°C | 16.5°C | 2.5°C | 69 mm | 84% | 3 m/s | — |
| 1982 ❄️ | 11.4°C | 8.6°C | 5.7°C | 15.4°C | 2.6°C | 50 mm | 83% | 3.1 m/s | — |
| 1981 | 12.6°C | 10.0°C | 7.4°C | 17.1°C | 4.6°C | 79 mm | 84% | 3.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 12.5°C with lows near 6.7°C (mean 9.6°C), based on 45 years of NASA POWER data.
July averages 96 mm of rainfall in Napier, a relatively wet time of year. The wettest on record was 206 mm in 1985.
The hottest July reached 18.8°C in 1999. The coldest dipped to 1.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.7°C. Daytime highs moved from 12.4°C to 13.2°C and overnight lows from 6.5°C to 7.3°C over the same span.
July is one of the cooler months of the year in Napier and a relatively wet time of year, so plan for around 12.5°C daytime highs and 6.7°C at night.
Yes — July is the coldest month of the year in Napier, averaging 9.6°C.
For July in Napier, pack warm layers and a jacket for chilly mornings, with typical highs of 12.5°C and lows of 6.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 3.1 m/s. The windiest July on record averaged 3.8 m/s (2016).
The wettest July on record was 1985 with 206 mm. On average, July sees 96 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.