July is one of the cooler months of the year in Wanaka, with average highs near 3.2°C and lows around -2.4°C (mean 0.4°C). It is one of the drier months, averaging 124 mm of rainfall and 94% relative humidity across the period.
July is one of the cooler months of the year in Wanaka. Across 45 years of records, the warmest July in Wanaka was 2019 — when the month averaged 2.4°C — while the coldest was 1995 at -4°C. Typical July days reach 3.2°C with nights near -2.4°C. The long-term trend is warming, about 0.5°C per decade.
July is one of the drier months in Wanaka, averaging 124 mm of rainfall. The wettest July on record was 1984 with 254 mm, while the driest was 2002 at 27 mm.
Relative humidity in Wanaka during July averages 94%. The most humid July was 1986 at 96%, and the least humid was 2001 at 89%.
July receives about 1.5 kWh/m²/day of solar energy in Wanaka. The sunniest July was 2010 at 1.9 kWh/m²/day, and the cloudiest was 1984 at 0.9.
Average wind speed in Wanaka during July is 1.7 m/s. The windiest July was 2011 at 2.5 m/s, while the calmest were 2010 and 2025 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -0.2°C | -0.5°C | 0.5°C | 1.0°C | 1.4°C | +1.6°C |
| Avg High | 2.6°C | 2.3°C | 3.4°C | 3.8°C | 4.1°C | +1.5°C |
| Avg Low | -2.9°C | -3.3°C | -2.4°C | -1.9°C | -1.3°C | +1.6°C |
| Avg Rain | 160 mm | 140 mm | 78 mm | 127 mm | 113 mm | -47 mm |
July temperatures in Wanaka have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -12.4°C (1995) to a record high of 10.4°C (1998).
Rainfall in July is one of the drier months, averaging 124 mm, with a wettest year of 254 mm.
A quieter season to visit Wanaka
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Wanaka. That said, July — with days averaging 3.2°C and nights around -2.4°C (mean 0.4°C) and higher rainfall (124 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 | 4.9°C | 2.3°C | -0.3°C | 8.8°C | -3.8°C | 61 mm | 93% | 1.3 m/s | 1.5 |
| 2024 | 4.3°C | 1.5°C | -1.3°C | 8.2°C | -6.8°C | 83 mm | 93% | 1.5 m/s | 1.6 |
| 2023 | 4.3°C | 1.6°C | -1.1°C | 7.6°C | -3.7°C | 66 mm | 93% | 2.1 m/s | 1.7 |
| 2022 | 2.8°C | 0.4°C | -2.1°C | 7.3°C | -6.7°C | 163 mm | 95% | 1.8 m/s | 1.5 |
| 2021 | 4.4°C | 1.3°C | -1.8°C | 9.4°C | -8.3°C | 155 mm | 95% | 1.7 m/s | 1.6 |
| 2020 | 3.9°C | 1.2°C | -1.5°C | 8.4°C | -7.4°C | 148 mm | 94% | 1.5 m/s | 1.6 |
| 2019 🔥 | 4.9°C | 2.4°C | -0.2°C | 8.4°C | -3.2°C | 135 mm | 95% | 1.6 m/s | 1.3 |
| 2018 | 4.7°C | 2.0°C | -0.7°C | 7.9°C | -3.5°C | 153 mm | 94% | 2 m/s | 1.6 |
| 2017 | 2.6°C | -0.2°C | -3.1°C | 5.9°C | -9.2°C | 152 mm | 95% | 1.6 m/s | 1.6 |
| 2016 | 3.7°C | 0.7°C | -2.2°C | 7.4°C | -5.5°C | 170 mm | 92% | 2.3 m/s | 1.6 |
| 2015 | 3.3°C | 0.3°C | -2.8°C | 6.7°C | -7.8°C | 107 mm | 93% | 2 m/s | 1.7 |
| 2014 | 3.4°C | 0.7°C | -2.1°C | 7.3°C | -4.9°C | 60 mm | 92% | 1.6 m/s | 1.6 |
| 2013 | 5.2°C | 2.2°C | -0.7°C | 8.4°C | -5.9°C | 169 mm | 93% | 2.3 m/s | 1.5 |
| 2012 | 4.6°C | 1.6°C | -1.4°C | 9.1°C | -7.7°C | 121 mm | 95% | 1.5 m/s | 1.6 |
| 2011 | 2.2°C | -0.7°C | -3.7°C | 5.0°C | -9.0°C | 131 mm | 94% | 2.5 m/s | 1.5 |
| 2010 | 3.6°C | 0.9°C | -1.8°C | 6.2°C | -7.0°C | 76 mm | 95% | 1.3 m/s | 1.9 |
| 2009 | 2.6°C | -0.3°C | -3.1°C | 4.9°C | -7.9°C | 117 mm | 95% | 1.9 m/s | 1.6 |
| 2008 | 3.3°C | 0.7°C | -1.8°C | 7.2°C | -5.0°C | 127 mm | 95% | 2 m/s | 1.3 |
| 2007 | 2.3°C | -0.9°C | -4.1°C | 6.4°C | -10.0°C | 87 mm | 95% | 1.5 m/s | 1.7 |
| 2006 | 3.1°C | 0.5°C | -2.1°C | 6.0°C | -6.8°C | 84 mm | 95% | 2.1 m/s | 1.6 |
| 2005 | 4.5°C | 1.6°C | -1.2°C | 7.7°C | -7.2°C | 84 mm | 94% | 1.7 m/s | 1.5 |
| 2004 | 3.2°C | 0.3°C | -2.7°C | 5.5°C | -5.5°C | 48 mm | 91% | 1.5 m/s | 1.7 |
| 2003 | 3.2°C | 0.4°C | -2.5°C | 8.0°C | -7.8°C | 75 mm | 94% | 1.8 m/s | 1.5 |
| 2002 | 3.4°C | 0.8°C | -1.8°C | 6.7°C | -5.4°C | 27 mm | 93% | 1.5 m/s | 1.6 |
| 2001 | 3.1°C | -0.3°C | -3.7°C | 6.0°C | -7.7°C | 33 mm | 89% | 1.4 m/s | 1.6 |
| 2000 | 4.9°C | 2.0°C | -1.0°C | 7.6°C | -4.3°C | 96 mm | 93% | 1.5 m/s | 1.6 |
| 1999 | 2.9°C | 0.3°C | -2.3°C | 6.3°C | -9.5°C | 146 mm | 95% | 1.8 m/s | 1.5 |
| 1998 | 4.6°C | 1.9°C | -0.9°C | 10.4°C | -3.6°C | 91 mm | 93% | 2.1 m/s | 1.5 |
| 1997 | 2.4°C | -0.5°C | -3.3°C | 6.9°C | -7.1°C | 87 mm | 95% | 1.7 m/s | 1.5 |
| 1996 | 1.5°C | -1.2°C | -4.0°C | 4.9°C | -8.8°C | 49 mm | 95% | 1.4 m/s | 1.5 |
| 1995 ❄️ | -0.5°C | -4.0°C | -7.4°C | 1.2°C | -12.4°C | 119 mm | 94% | 1.7 m/s | 1.3 |
| 1994 | 1.6°C | -1.2°C | -3.9°C | 4.4°C | -9.4°C | 243 mm | 95% | 1.8 m/s | 1.5 |
| 1993 | 3.8°C | 1.1°C | -1.6°C | 7.3°C | -5.9°C | 194 mm | 93% | 1.5 m/s | 1.6 |
| 1992 | 2.3°C | -0.4°C | -3.1°C | 4.9°C | -8.8°C | 154 mm | 95% | 2.3 m/s | 1.5 |
| 1991 | 1.4°C | -1.4°C | -4.2°C | 3.4°C | -10.9°C | 156 mm | 92% | 1.4 m/s | 1.6 |
| 1990 | 3.1°C | 0.3°C | -2.4°C | 6.7°C | -7.5°C | 157 mm | 93% | 1.5 m/s | 1.5 |
| 1989 | 2.6°C | -0.3°C | -3.2°C | 5.7°C | -7.0°C | 80 mm | 94% | 1.6 m/s | 1.7 |
| 1988 | 3.8°C | 1.2°C | -1.5°C | 8.9°C | -5.2°C | 230 mm | 94% | 2.3 m/s | 1.6 |
| 1987 | 1.6°C | -1.2°C | -4.0°C | 5.2°C | -8.6°C | 124 mm | 95% | 1.4 m/s | 1.6 |
| 1986 | 1.4°C | -1.1°C | -3.6°C | 4.2°C | -9.1°C | 185 mm | 96% | 2.2 m/s | 1.5 |
| 1985 | 3.1°C | 0.6°C | -1.9°C | 5.2°C | -6.4°C | 190 mm | 95% | 1.7 m/s | 1.6 |
| 1984 🌧️ | 3.5°C | 1.3°C | -0.9°C | 7.4°C | -5.5°C | 254 mm | 95% | 1.6 m/s | 0.9 |
| 1983 | 2.1°C | -0.7°C | -3.5°C | 7.6°C | -8.3°C | 165 mm | 95% | 1.6 m/s | — |
| 1982 | 2.2°C | -1.2°C | -4.5°C | 5.7°C | -8.6°C | 82 mm | 94% | 1.6 m/s | — |
| 1981 | 2.7°C | 0.0°C | -2.7°C | 8.0°C | -7.2°C | 127 mm | 95% | 1.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 3.2°C with lows near -2.4°C (mean 0.4°C), based on 45 years of NASA POWER data.
July averages 124 mm of rainfall in Wanaka, one of the drier months. The wettest on record was 254 mm in 1984.
The hottest July reached 10.4°C in 1998. The coldest dipped to -12.4°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 2.7°C to 4.1°C and overnight lows from -2.7°C to -1.3°C over the same span.
July is one of the cooler months of the year in Wanaka and one of the drier months, so plan for around 3.2°C daytime highs and -2.4°C at night.
Yes — July is the coldest month of the year in Wanaka, averaging 0.4°C.
For July in Wanaka, pack warm layers and a jacket for chilly mornings, with typical highs of 3.2°C and lows of -2.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 94% — quite humid.
Average wind speed in July is 1.7 m/s. The windiest July on record averaged 2.5 m/s (2011).
The wettest July on record was 1984 with 254 mm. On average, July sees 124 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 Wanaka 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.
