July is one of the cooler months of the year in Dunedin, with average highs near 8.9°C and lows around 6.2°C (mean 7.6°C). It is about average for rainfall, averaging 50 mm of rainfall and 85% relative humidity across the period.
July is one of the cooler months of the year in Dunedin. Across 45 years of records, the warmest July in Dunedin was 2013 — when the month averaged 9°C — while the coldest was 1995 at 5.5°C. Typical July days reach 8.9°C with nights near 6.2°C. The long-term trend is warming, about 0.3°C per decade.
July is about average for rainfall in Dunedin, averaging 50 mm of rainfall. The wettest July on record was 2022 with 116 mm, while the driest was 2025 at 17 mm.
Relative humidity in Dunedin during July averages 85%. The most humid July was 2008 at 88%, and the least humid was 2016 at 81%.
July receives about 1.4 kWh/m²/day of solar energy in Dunedin. The sunniest Julys were 1989, 1993 and 2004 at 1.6 kWh/m²/day, and the cloudiest was 1984 at 1.
Average wind speed in Dunedin during July is 5.4 m/s. The windiest July was 1995 at 6.6 m/s, while the calmest was 1993 at 4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.3°C | 7.1°C | 7.4°C | 8.0°C | 8.3°C | +1°C |
| Avg High | 8.7°C | 8.5°C | 8.7°C | 9.5°C | 9.6°C | +0.9°C |
| Avg Low | 6.0°C | 5.7°C | 6.0°C | 6.5°C | 6.9°C | +0.9°C |
| Avg Rain | 60 mm | 46 mm | 51 mm | 40 mm | 58 mm | -2 mm |
July temperatures in Dunedin have risen by about 0.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 2.3°C (2007) to a record high of 14.5°C (2014).
Rainfall in July is about average for rainfall, averaging 50 mm, with a wettest year of 116 mm.
A quieter season to visit Dunedin
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Dunedin. That said, July — with days averaging 8.9°C and nights around 6.2°C (mean 7.6°C) and moderate rainfall (50 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 | 10.0°C | 8.7°C | 7.4°C | 12.9°C | 5.1°C | 17 mm | 87% | 4.2 m/s | 1.4 |
| 2024 | 9.5°C | 8.3°C | 7.1°C | 14.4°C | 4.9°C | 70 mm | 88% | 5.7 m/s | 1.3 |
| 2023 | 10.1°C | 8.7°C | 7.3°C | 13.4°C | 5.0°C | 61 mm | 84% | 6.4 m/s | 1.4 |
| 2022 🌧️ | 9.0°C | 7.7°C | 6.5°C | 14.2°C | 5.1°C | 116 mm | 85% | 6.1 m/s | 1.3 |
| 2021 | 9.6°C | 8.0°C | 6.5°C | 12.4°C | 4.5°C | 37 mm | 86% | 5.1 m/s | 1.4 |
| 2020 | 9.5°C | 8.1°C | 6.7°C | 12.8°C | 4.8°C | 44 mm | 86% | 5.8 m/s | 1.4 |
| 2019 | 10.2°C | 8.9°C | 7.6°C | 14.2°C | 6.1°C | 43 mm | 87% | 4.8 m/s | 1.2 |
| 2018 | 10.2°C | 8.6°C | 7.0°C | 12.3°C | 4.6°C | 45 mm | 84% | 5.1 m/s | 1.4 |
| 2017 | 8.7°C | 7.4°C | 6.2°C | 11.0°C | 4.5°C | 80 mm | 85% | 4.8 m/s | 1.3 |
| 2016 | 9.4°C | 7.8°C | 6.2°C | 12.8°C | 4.0°C | 52 mm | 81% | 6 m/s | 1.5 |
| 2015 | 8.7°C | 7.1°C | 5.5°C | 12.7°C | 3.6°C | 21 mm | 83% | 5.8 m/s | 1.5 |
| 2014 | 9.4°C | 8.2°C | 6.9°C | 14.5°C | 4.8°C | 31 mm | 84% | 6.2 m/s | 1.4 |
| 2013 🔥 | 10.5°C | 9.0°C | 7.5°C | 12.9°C | 5.2°C | 32 mm | 82% | 4.7 m/s | 1.4 |
| 2012 | 10.0°C | 8.4°C | 6.8°C | 12.8°C | 4.0°C | 44 mm | 85% | 4.4 m/s | 1.4 |
| 2011 | 8.9°C | 7.2°C | 5.5°C | 11.3°C | 2.3°C | 30 mm | 82% | 6.4 m/s | 1.5 |
| 2010 | 8.9°C | 7.4°C | 6.0°C | 11.1°C | 4.8°C | 20 mm | 87% | 4.8 m/s | 1.5 |
| 2009 | 8.2°C | 6.8°C | 5.4°C | 11.3°C | 3.4°C | 40 mm | 84% | 5.8 m/s | 1.4 |
| 2008 | 8.5°C | 7.4°C | 6.2°C | 11.5°C | 4.1°C | 82 mm | 88% | 5.6 m/s | 1.2 |
| 2007 | 8.0°C | 6.7°C | 5.5°C | 12.5°C | 2.3°C | 77 mm | 85% | 4.9 m/s | 1.4 |
| 2006 | 8.9°C | 7.6°C | 6.3°C | 12.2°C | 4.6°C | 58 mm | 83% | 5.4 m/s | 1.5 |
| 2005 | 9.6°C | 8.1°C | 6.6°C | 12.6°C | 4.1°C | 61 mm | 84% | 5.5 m/s | 1.4 |
| 2004 | 8.6°C | 7.1°C | 5.6°C | 9.6°C | 3.9°C | 37 mm | 83% | 5 m/s | 1.6 |
| 2003 | 8.5°C | 7.1°C | 5.6°C | 11.0°C | 2.5°C | 51 mm | 84% | 5.5 m/s | 1.4 |
| 2002 | 8.6°C | 7.2°C | 5.9°C | 12.5°C | 4.4°C | 26 mm | 85% | 4.9 m/s | 1.4 |
| 2001 | 8.5°C | 7.3°C | 6.1°C | 12.5°C | 3.6°C | 41 mm | 83% | 5.5 m/s | 1.5 |
| 2000 | 9.8°C | 8.5°C | 7.1°C | 12.6°C | 5.1°C | 35 mm | 87% | 4.9 m/s | 1.4 |
| 1999 | 9.0°C | 7.7°C | 6.5°C | 12.4°C | 4.6°C | 71 mm | 85% | 5.4 m/s | 1.2 |
| 1998 | 9.9°C | 8.3°C | 6.8°C | 13.8°C | 4.8°C | 29 mm | 84% | 5.2 m/s | 1.4 |
| 1997 | 8.6°C | 7.1°C | 5.6°C | 10.9°C | 3.7°C | 43 mm | 84% | 5.5 m/s | 1.3 |
| 1996 | 7.6°C | 6.5°C | 5.5°C | 9.9°C | 3.4°C | 42 mm | 87% | 4.9 m/s | 1.3 |
| 1995 ❄️ | 6.8°C | 5.5°C | 4.2°C | 9.5°C | 2.8°C | 54 mm | 83% | 6.6 m/s | 1.3 |
| 1994 | 8.0°C | 6.7°C | 5.4°C | 10.2°C | 3.8°C | 63 mm | 85% | 6.2 m/s | 1.3 |
| 1993 | 9.4°C | 7.9°C | 6.3°C | 12.3°C | 4.7°C | 33 mm | 86% | 4 m/s | 1.6 |
| 1992 | 8.6°C | 7.1°C | 5.6°C | 10.8°C | 3.2°C | 43 mm | 83% | 5.7 m/s | 1.3 |
| 1991 | 7.8°C | 6.4°C | 5.0°C | 10.6°C | 3.2°C | 35 mm | 83% | 4.5 m/s | 1.5 |
| 1990 | 8.9°C | 7.5°C | 6.2°C | 11.8°C | 4.3°C | 43 mm | 86% | 5.4 m/s | 1.4 |
| 1989 | 8.2°C | 7.0°C | 5.8°C | 10.7°C | 4.4°C | 34 mm | 86% | 5 m/s | 1.6 |
| 1988 | 9.1°C | 7.6°C | 6.1°C | 11.9°C | 3.9°C | 56 mm | 84% | 6.3 m/s | 1.4 |
| 1987 | 8.3°C | 7.1°C | 5.9°C | 10.8°C | 4.1°C | 34 mm | 86% | 6.2 m/s | 1.4 |
| 1986 | 8.5°C | 7.1°C | 5.7°C | 11.2°C | 4.0°C | 77 mm | 83% | 6.2 m/s | 1.4 |
| 1985 | 9.4°C | 8.0°C | 6.6°C | 12.5°C | 4.4°C | 57 mm | 85% | 5 m/s | 1.5 |
| 1984 | 9.0°C | 7.7°C | 6.5°C | 13.5°C | 4.3°C | 83 mm | 87% | 4.6 m/s | 1 |
| 1983 | 8.1°C | 6.8°C | 5.4°C | 11.2°C | 3.1°C | 86 mm | 87% | 4.9 m/s | — |
| 1982 | 8.6°C | 7.1°C | 5.6°C | 11.5°C | 4.2°C | 20 mm | 85% | 6 m/s | — |
| 1981 | 8.9°C | 7.6°C | 6.3°C | 13.3°C | 4.3°C | 93 mm | 86% | 4.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 8.9°C with lows near 6.2°C (mean 7.6°C), based on 45 years of NASA POWER data.
July averages 50 mm of rainfall in Dunedin, about average for rainfall. The wettest on record was 116 mm in 2022.
The hottest July reached 14.5°C in 2014. The coldest dipped to 2.3°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.9°C. Daytime highs moved from 8.8°C to 9.6°C and overnight lows from 6.1°C to 7°C over the same span.
July is one of the cooler months of the year in Dunedin and about average for rainfall, so plan for around 8.9°C daytime highs and 6.2°C at night.
Yes — July is the coldest month of the year in Dunedin, averaging 7.6°C.
For July in Dunedin, pack warm layers and a jacket for chilly mornings, with typical highs of 8.9°C and lows of 6.2°C.
Relative humidity in July averages 85% — quite humid.
Average wind speed in July is 5.4 m/s. The windiest July on record averaged 6.6 m/s (1995).
The wettest July on record was 2022 with 116 mm. On average, July sees 50 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 Dunedin 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.
