July is one of the warmer months of the year in Mau, with average highs near 39°C and lows around 25.5°C (mean 32.3°C). It is a relatively wet time of year, averaging 277 mm of rainfall and 75% relative humidity across the period.
July is one of the warmer months of the year in Mau. Across 45 years of records, the warmest July in Mau was 1987 — when the month averaged 36.1°C — while the coldest was 1990 at 29.3°C. Typical July days reach 39°C with nights near 25.5°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.5°C | 32.7°C | 31.9°C | 32.1°C | 31.6°C | -0.9°C |
| Avg High | 40.0°C | 39.9°C | 38.3°C | 39.0°C | 37.3°C | -2.7°C |
| Avg Low | 25.1°C | 25.6°C | 25.6°C | 25.2°C | 26.0°C | +0.9°C |
| Avg Rain | 304 mm | 268 mm | 278 mm | 280 mm | 247 mm | -57 mm |
July temperatures in Mau have fallen by about 0.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 24°C (1986) to a record high of 47°C (1987).
Rainfall in July is a relatively wet time of year, averaging 277 mm, with a wettest year of 574 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Mau
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Mau. That said, July — with days averaging 39°C and nights around 25.5°C (mean 32.3°C) and higher rainfall (277 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.8°C | 25.9°C | 32.3°C | 235 mm | 74% | 2.8 m/s | 4.4 |
| 2024 | 36.6°C | 26.9°C | 31.7°C | 330 mm | 80% | 2.2 m/s | 4.6 |
| 2023 | 38.6°C | 27.0°C | 32.8°C | 159 mm | 68% | 2.7 m/s | 5.1 |
| 2022 | 40.2°C | 25.6°C | 32.9°C | 158 mm | 68% | 3 m/s | 5.1 |
| 2021 | 35.5°C | 25.4°C | 30.5°C | 253 mm | 84% | 2.3 m/s | 4.6 |
| 2020 | 34.1°C | 25.4°C | 29.7°C | 348 mm | 87% | 2.2 m/s | 3.8 |
| 2019 | 40.6°C | 25.6°C | 33.1°C | 364 mm | 76% | 2.8 m/s | 4.3 |
| 2018 | 41.8°C | 25.3°C | 33.5°C | 233 mm | 66% | 3.3 m/s | 4 |
| 2017 | 36.0°C | 24.9°C | 30.4°C | 380 mm | 82% | 2.7 m/s | 4 |
| 2016 | 38.7°C | 25.6°C | 32.1°C | 343 mm | 77% | 2.7 m/s | 4.2 |
| 2015 | 41.2°C | 25.3°C | 33.2°C | 283 mm | 76% | 2.8 m/s | 4.9 |
| 2014 | 38.9°C | 25.9°C | 32.4°C | 219 mm | 74% | 2.2 m/s | 5 |
| 2013 | 34.7°C | 25.3°C | 30.0°C | 135 mm | 80% | 2.3 m/s | 5.2 |
| 2012 | 41.5°C | 24.6°C | 33.0°C | 333 mm | 75% | 2.6 m/s | 4.5 |
| 2011 | 35.0°C | 25.3°C | 30.2°C | 212 mm | 82% | 2.6 m/s | 5.1 |
| 2010 | 41.5°C | 24.3°C | 32.9°C | 293 mm | 70% | 3 m/s | 4.9 |
| 2009 | 39.3°C | 26.6°C | 32.9°C | 262 mm | 68% | 2.8 m/s | 5.4 |
| 2008 | 33.9°C | 25.3°C | 29.6°C | 486 mm | 89% | 2.3 m/s | 4.3 |
| 2007 | 38.9°C | 24.9°C | 31.9°C | 365 mm | 75% | 2.6 m/s | 4 |
| 2006 | 38.8°C | 25.7°C | 32.3°C | 304 mm | 79% | 2.9 m/s | 4.6 |
| 2005 | 38.9°C | 25.5°C | 32.2°C | 319 mm | 78% | 2.6 m/s | 5 |
| 2004 | 38.7°C | 24.7°C | 31.7°C | 206 mm | 80% | 2.9 m/s | 4.9 |
| 2003 | 37.7°C | 25.8°C | 31.8°C | 211 mm | 76% | 2.6 m/s | 4.9 |
| 2002 | 42.3°C | 26.7°C | 34.5°C | 168 mm | 59% | 2.5 m/s | 4.7 |
| 2001 | 36.9°C | 25.5°C | 31.2°C | 226 mm | 78% | 2.6 m/s | 4.7 |
| 2000 | 37.5°C | 25.2°C | 31.3°C | 229 mm | 80% | 2.3 m/s | 5 |
| 1999 | 40.6°C | 25.4°C | 33.0°C | 237 mm | 72% | 2.6 m/s | 4.9 |
| 1998 | 39.5°C | 26.0°C | 32.7°C | 371 mm | 81% | 2.6 m/s | 4.8 |
| 1997 | 39.2°C | 26.1°C | 32.6°C | 376 mm | 79% | 2.2 m/s | 5 |
| 1996 | 39.4°C | 24.5°C | 31.9°C | 201 mm | 75% | 2.4 m/s | 4.9 |
| 1995 | 41.2°C | 25.3°C | 33.3°C | 210 mm | 71% | 2.7 m/s | 5.4 |
| 1994 | 39.7°C | 25.7°C | 32.7°C | 226 mm | 69% | 3 m/s | 5 |
| 1993 | 41.3°C | 26.4°C | 33.8°C | 134 mm | 62% | 3.1 m/s | 5.4 |
| 1992 | 44.3°C | 25.6°C | 34.9°C | 191 mm | 65% | 2.6 m/s | 5 |
| 1991 | 39.7°C | 26.6°C | 33.2°C | 159 mm | 64% | 3.1 m/s | 5.1 |
| 1990 ❄️ 🌧️ | 33.9°C | 24.8°C | 29.3°C | 574 mm | 85% | 2.4 m/s | 4.1 |
| 1989 | 38.7°C | 24.1°C | 31.4°C | 291 mm | 73% | 2.4 m/s | 4.8 |
| 1988 | 37.8°C | 25.5°C | 31.6°C | 297 mm | 80% | 2.6 m/s | 4.7 |
| 1987 🔥 | 47.0°C | 25.2°C | 36.1°C | 344 mm | 74% | 2.4 m/s | 4.7 |
| 1986 | 37.7°C | 24.0°C | 30.9°C | 279 mm | 82% | 3.1 m/s | 5.2 |
| 1985 | 39.1°C | 24.5°C | 31.8°C | 370 mm | 74% | 2.7 m/s | 4.5 |
| 1984 | 35.3°C | 24.9°C | 30.1°C | 256 mm | 81% | 2.4 m/s | 5.2 |
| 1983 | 43.5°C | 26.4°C | 35.0°C | 140 mm | 57% | 2.3 m/s | — |
| 1982 | 45.3°C | 25.8°C | 35.5°C | 187 mm | 56% | 2.7 m/s | — |
| 1981 | 35.3°C | 25.5°C | 30.4°C | 570 mm | 85% | 2.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 39°C with lows near 25.5°C (mean 32.3°C), based on 45 years of NASA POWER data.
July averages 277 mm of rainfall in Mau, a relatively wet time of year. The wettest on record was 574 mm in 1990.
The hottest July reached 47°C in 1987. The coldest dipped to 24°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.6°C. Daytime highs moved from 39.7°C to 37.9°C and overnight lows from 25.4°C to 26.2°C over the same span.
July is one of the warmer months of the year in Mau and a relatively wet time of year, so plan for around 39°C daytime highs and 25.5°C at night.
Not quite — July is the 10th coolest month in Mau, averaging 32.3°C.
For July in Mau, pack light, breathable clothing and sun protection, with typical highs of 39°C and lows of 25.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 75% — moderately humid.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.3 m/s (2018).
The wettest July on record was 1990 with 574 mm. On average, July sees 277 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 Mau 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.
