July is one of the cooler months of the year in Whangarei, with average highs near 14.6°C and lows around 10.5°C (mean 12.6°C). It is a relatively wet time of year, averaging 142 mm of rainfall and 83% relative humidity across the period.
July is one of the cooler months of the year in Whangarei. Across 45 years of records, the warmest July in Whangarei was 1998 — when the month averaged 14.7°C — while the coldest was 1983 at 11.3°C. Typical July days reach 14.6°C with nights near 10.5°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Whangarei, averaging 142 mm of rainfall. The wettest July on record was 1998 with 362 mm, while the driest was 1997 at 52 mm.
Relative humidity in Whangarei during July averages 83%. The most humid July was 1985 at 85%, and the least humid was 1986 at 80%.
July receives about 2.2 kWh/m²/day of solar energy in Whangarei. The sunniest July was 2018 at 2.5 kWh/m²/day, and the cloudiest was 1998 at 1.8.
Average wind speed in Whangarei during July is 5.8 m/s. The windiest July was 2000 at 7.4 m/s, while the calmest was 2013 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.2°C | 12.4°C | 12.6°C | 12.6°C | 13.2°C | +1°C |
| Avg High | 14.4°C | 14.5°C | 14.6°C | 14.7°C | 15.1°C | +0.7°C |
| Avg Low | 10.1°C | 10.3°C | 10.6°C | 10.5°C | 11.2°C | +1.1°C |
| Avg Rain | 124 mm | 134 mm | 160 mm | 113 mm | 201 mm | +76 mm |
July temperatures in Whangarei have risen by about 1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.1°C (1986) to a record high of 19°C (1998).
Rainfall in July is a relatively wet time of year, averaging 142 mm, with a wettest year of 362 mm.
A quieter season to visit Whangarei
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Whangarei. That said, July — with days averaging 14.6°C and nights around 10.5°C (mean 12.6°C) and higher rainfall (142 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 | 15.4°C | 13.5°C | 11.7°C | 18.6°C | 9.3°C | 270 mm | 85% | 5.7 m/s | 2.3 |
| 2024 | 15.1°C | 13.1°C | 11.0°C | 17.0°C | 7.5°C | 145 mm | 84% | 5.2 m/s | 2.2 |
| 2023 | 14.7°C | 12.8°C | 10.8°C | 16.3°C | 8.1°C | 95 mm | 84% | 6.4 m/s | 2.4 |
| 2022 | 15.6°C | 13.8°C | 12.0°C | 18.2°C | 9.6°C | 284 mm | 85% | 6.1 m/s | 2 |
| 2021 | 14.8°C | 12.8°C | 10.8°C | 17.7°C | 7.1°C | 177 mm | 83% | 6.2 m/s | 2.2 |
| 2020 | 14.9°C | 13.0°C | 11.1°C | 17.5°C | 8.2°C | 233 mm | 83% | 5.4 m/s | 2.2 |
| 2019 | 15.7°C | 13.5°C | 11.3°C | 18.5°C | 8.0°C | 131 mm | 84% | 5.2 m/s | 2.4 |
| 2018 | 15.3°C | 13.0°C | 10.6°C | 17.3°C | 7.4°C | 72 mm | 81% | 4.6 m/s | 2.5 |
| 2017 | 14.6°C | 12.6°C | 10.5°C | 17.4°C | 6.4°C | 131 mm | 83% | 5.8 m/s | 2.3 |
| 2016 | 15.4°C | 13.4°C | 11.3°C | 17.8°C | 7.8°C | 148 mm | 81% | 6.5 m/s | 2.3 |
| 2015 | 14.1°C | 11.9°C | 9.8°C | 16.8°C | 5.6°C | 109 mm | 82% | 5.6 m/s | 2.3 |
| 2014 | 14.4°C | 12.3°C | 10.3°C | 16.9°C | 6.7°C | 132 mm | 83% | 6.2 m/s | 2.3 |
| 2013 | 14.4°C | 12.2°C | 10.0°C | 16.7°C | 7.1°C | 77 mm | 81% | 4.1 m/s | 2.3 |
| 2012 | 14.7°C | 12.7°C | 10.7°C | 17.2°C | 7.0°C | 146 mm | 83% | 5.3 m/s | 2.1 |
| 2011 | 14.5°C | 12.5°C | 10.5°C | 16.3°C | 5.4°C | 89 mm | 82% | 6.9 m/s | 2.3 |
| 2010 | 14.3°C | 12.2°C | 10.1°C | 16.5°C | 7.8°C | 92 mm | 83% | 5.1 m/s | 2.4 |
| 2009 | 14.3°C | 12.1°C | 10.0°C | 16.9°C | 6.2°C | 179 mm | 84% | 6.3 m/s | 2.2 |
| 2008 | 14.7°C | 12.7°C | 10.7°C | 17.3°C | 6.5°C | 208 mm | 83% | 6.8 m/s | 2.1 |
| 2007 | 15.1°C | 13.3°C | 11.5°C | 17.5°C | 6.4°C | 233 mm | 85% | 6 m/s | 2 |
| 2006 | 14.3°C | 12.0°C | 9.6°C | 16.1°C | 6.2°C | 112 mm | 83% | 5.2 m/s | 2.4 |
| 2005 | 15.4°C | 13.3°C | 11.2°C | 17.5°C | 8.1°C | 125 mm | 83% | 5.8 m/s | 2.2 |
| 2004 | 14.1°C | 12.0°C | 9.9°C | 16.8°C | 6.2°C | 187 mm | 82% | 6 m/s | 2.2 |
| 2003 | 14.3°C | 12.1°C | 10.0°C | 15.9°C | 6.5°C | 86 mm | 80% | 4.9 m/s | 2.2 |
| 2002 | 14.6°C | 12.5°C | 10.4°C | 16.9°C | 7.1°C | 147 mm | 82% | 6.5 m/s | 2.3 |
| 2001 | 14.1°C | 12.2°C | 10.4°C | 17.2°C | 6.3°C | 141 mm | 81% | 6.1 m/s | 2.2 |
| 2000 | 15.5°C | 13.8°C | 12.2°C | 17.4°C | 9.1°C | 180 mm | 82% | 7.4 m/s | 2.1 |
| 1999 | 14.9°C | 12.7°C | 10.5°C | 18.7°C | 7.6°C | 102 mm | 83% | 5.4 m/s | 2.3 |
| 1998 🔥 🌧️ | 16.4°C | 14.7°C | 13.0°C | 19.0°C | 9.3°C | 362 mm | 84% | 6.5 m/s | 1.8 |
| 1997 | 13.9°C | 11.7°C | 9.4°C | 17.3°C | 6.6°C | 52 mm | 82% | 4.6 m/s | 2.3 |
| 1996 | 14.5°C | 12.6°C | 10.6°C | 17.0°C | 7.7°C | 176 mm | 84% | 6.1 m/s | 2.1 |
| 1995 | 13.9°C | 11.8°C | 9.7°C | 16.0°C | 5.8°C | 112 mm | 83% | 6.2 m/s | 2.2 |
| 1994 | 13.9°C | 11.6°C | 9.3°C | 16.3°C | 6.0°C | 105 mm | 81% | 6.3 m/s | 2.4 |
| 1993 | 13.9°C | 11.7°C | 9.6°C | 17.0°C | 5.3°C | 87 mm | 81% | 4.5 m/s | 2.4 |
| 1992 | 14.3°C | 12.3°C | 10.2°C | 16.9°C | 6.8°C | 126 mm | 84% | 6.9 m/s | 2.2 |
| 1991 | 14.0°C | 12.2°C | 10.3°C | 16.2°C | 7.1°C | 126 mm | 83% | 5.8 m/s | 2.3 |
| 1990 | 15.1°C | 12.7°C | 10.4°C | 18.1°C | 7.5°C | 93 mm | 84% | 5.7 m/s | 2.3 |
| 1989 | 14.5°C | 12.2°C | 9.9°C | 17.1°C | 6.8°C | 118 mm | 81% | 5 m/s | 2.4 |
| 1988 | 14.9°C | 12.9°C | 10.9°C | 17.2°C | 5.9°C | 177 mm | 83% | 6.5 m/s | 2.2 |
| 1987 | 14.3°C | 12.1°C | 10.0°C | 16.1°C | 7.0°C | 100 mm | 81% | 5.6 m/s | 2.3 |
| 1986 | 13.9°C | 11.6°C | 9.3°C | 15.9°C | 5.1°C | 119 mm | 80% | 6.2 m/s | 2.4 |
| 1985 | 14.8°C | 12.9°C | 11.1°C | 17.6°C | 9.4°C | 175 mm | 85% | 5.3 m/s | 2.3 |
| 1984 | 15.0°C | 12.9°C | 10.7°C | 17.5°C | 6.9°C | 92 mm | 85% | 5.4 m/s | 2.1 |
| 1983 ❄️ | 13.5°C | 11.3°C | 9.1°C | 16.8°C | 5.7°C | 66 mm | 83% | 5 m/s | — |
| 1982 | 13.9°C | 11.9°C | 9.8°C | 17.3°C | 5.9°C | 142 mm | 81% | 5.7 m/s | — |
| 1981 | 14.4°C | 12.2°C | 9.9°C | 17.0°C | 6.6°C | 131 mm | 84% | 5.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 14.6°C with lows near 10.5°C (mean 12.6°C), based on 45 years of NASA POWER data.
July averages 142 mm of rainfall in Whangarei, a relatively wet time of year. The wettest on record was 362 mm in 1998.
The hottest July reached 19°C in 1998. The coldest dipped to 5.1°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1°C. Daytime highs moved from 14.3°C to 15.1°C and overnight lows from 10.1°C to 11.3°C over the same span.
July is one of the cooler months of the year in Whangarei and a relatively wet time of year, so plan for around 14.6°C daytime highs and 10.5°C at night.
Not quite — July is the 2nd coolest month in Whangarei, averaging 12.6°C.
For July in Whangarei, pack light layers you can adjust through the day, with typical highs of 14.6°C and lows of 10.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 83% — quite humid.
Average wind speed in July is 5.8 m/s. The windiest July on record averaged 7.4 m/s (2000).
The wettest July on record was 1998 with 362 mm. On average, July sees 142 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 Whangarei 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.
