Waitangi Weather in August (1981–2025)

📍 43.95°S, 176.56°W •
📊

August at a Glance in Waitangi

(1981–2025)
Avg High
🔥
10.5°C
Avg Low
❄️
8.6°C
Avg Temp
🌡️
9.6°C
Avg Rain
🌧️
70 mm
Avg Humidity
💧
83%
Avg Wind
🌬️
6.9 m/s
Avg Solar
☀️
2.2
kWh/m²/day
vs Annual
📈
-2.5°C
temp difference
❄️Cool afternoons❄️Cold mornings☁️Cloudier skies🌧️Wet month🌬️Windy💦Humid air

Waitangi August Weather Overview

August is one of the cooler months of the year in Waitangi, with average highs near 10.5°C and lows around 8.6°C (mean 9.6°C). It is about average for rainfall, averaging 70 mm of rainfall and 83% relative humidity across the period.

Waitangi August Temperature History (1981–2025)

Range

August is one of the cooler months of the year in Waitangi. Across 45 years of records, the warmest August in Waitangi was 2017 — when the month averaged 11.1°C — while the coldest was 1992 at 8.5°C. Typical August days reach 10.5°C with nights near 8.6°C. The long-term trend is warming, about 0.2°C per decade.

1981–1985 vs 2021–2025

Avg Temp9.4°C→10.0°C+0.6°C
Max Temp10.3°C→10.8°C+0.5°C
Min Temp8.5°C→9.1°C+0.6°C

Trend (per decade)

Avg Temp+0.2°C/decade ↗
Max Temp+0.1°C/decade ↗
Min Temp+0.2°C/decade ↗

Distribution of Avg Temp

8.0°C–9.0°C6 yr (13%)
9.0°C–10.0°C31 yr (69%)
10.0°C–11.0°C7 yr (16%)
11.0°C–12.0°C1 yr (2%)

Waitangi August Rainfall History (1981–2025)

Range

August is about average for rainfall in Waitangi, averaging 70 mm of rainfall. The wettest August on record was 1986 with 148 mm, while the driest was 2003 at 16 mm.

Waitangi August Humidity History (1981–2025)

Range

Relative humidity in Waitangi during August averages 83%. The most humid August was 2017 at 88%, and the least humid was 1985 at 79%.

Waitangi August Solar History (1981–2025)

Range

August receives about 2.2 kWh/m²/day of solar energy in Waitangi. The sunniest August was 2003 at 2.6 kWh/m²/day, and the cloudiest was 2014 at 1.9.

Waitangi August Wind History (1981–2025)

Range

Average wind speed in Waitangi during August is 6.9 m/s. The windiest August was 1999 at 8.2 m/s, while the calmest was 2003 at 5.2 m/s.

What August Feels Like in Waitangi

🌅
Cold
Morning
🌞
Cool
Afternoon
🌆
Cold
Evening
Rain chanceModerate
Outdoor comfort★★★☆☆

How August Ranks in Waitangi

🥶1st coolest month of the year
🌧️4th wettest month of the year
☀️9th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Waitangi Weather by Month

Waitangi August Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp9.4°C9.2°C9.5°C9.7°C10.0°C+0.6°C
Avg High10.3°C10.2°C10.5°C10.6°C10.9°C+0.6°C
Avg Low8.5°C8.2°C8.6°C8.9°C9.2°C+0.7°C
Avg Rain76 mm73 mm73 mm65 mm61 mm-15 mm

Extreme August Records in Waitangi

🔥Warmest August13.8°C2014
🧊Coldest August4.2°C1992
🌧️Wettest August148 mm1986
🏜️Driest August16 mm2003
🌬️Windiest August8.2 m/s1999

Key Insights for August

✅

August temperatures in Waitangi have risen by about 0.6°C between 1981–1985 and 2021–2025.

✅

August has ranged from a record low of 4.2°C (1992) to a record high of 13.8°C (2014).

✅

Rainfall in August is about average for rainfall, averaging 70 mm, with a wettest year of 148 mm.

Is August a Good Time to Visit Waitangi?

A quieter season to visit Waitangi

If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Waitangi. That said, August — with days averaging 10.5°C and nights around 8.6°C (mean 9.6°C) and moderate rainfall (70 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.

See Waitangi's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Waitangi Weather in August — In Depth

☀️ August climate overview

August is one of the cooler months of the year in Waitangi, with average highs near 10.5°C and lows around 8.6°C (mean 9.6°C). It is about average for rainfall, averaging 70 mm of rainfall and 83% relative humidity across the period.

🌧️ Rain, humidity & wind in August

August averages 70 mm of rainfall in Waitangi, about average for rainfall compared with the rest of the year. The wettest August on record saw 148 mm (1986), and the driest just 16 mm (2003). Humidity sits around 83% and average wind speed is 6.9 m/s, with solar radiation averaging 2.2 kWh/m²/day.

📈 How August has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.6°C. Daytime highs moved from 10.3°C to 10.8°C and overnight lows from 8.5°C to 9.1°C over the same span.
August Weather in Waitangi, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202510.7°C9.9°C9.1°C12.9°C7.4°C56 mm83%6.8 m/s2.2
202410.7°C9.8°C8.9°C13.2°C6.1°C61 mm85%7.1 m/s2.3
202311.0°C10.1°C9.1°C13.1°C7.7°C66 mm82%7 m/s2.2
202211.2°C10.5°C9.8°C13.4°C7.4°C71 mm86%6.9 m/s2
202110.4°C9.5°C8.7°C12.6°C5.4°C79 mm83%7.7 m/s2.2
202011.1°C10.2°C9.3°C13.0°C6.7°C35 mm84%7.3 m/s2.3
201910.6°C9.6°C8.7°C12.2°C6.3°C63 mm82%7.9 m/s2.2
201811.6°C10.9°C10.1°C13.0°C7.7°C71 mm87%6.8 m/s2.1
2017 🔥11.8°C11.1°C10.4°C13.0°C8.5°C73 mm88%6.2 m/s2.2
20169.5°C8.8°C8.1°C11.9°C6.0°C41 mm81%6.3 m/s2.1
20159.8°C8.9°C8.0°C12.3°C6.2°C60 mm82%6.3 m/s2.1
201410.2°C9.0°C7.9°C13.8°C6.4°C87 mm82%7.4 m/s1.9
201311.1°C10.4°C9.7°C12.9°C8.1°C45 mm85%6.7 m/s2.3
20129.9°C9.2°C8.4°C11.9°C6.4°C63 mm84%6.1 m/s2.1
201110.1°C9.2°C8.3°C12.1°C7.0°C52 mm83%6.7 m/s2.1
201011.0°C10.1°C9.2°C13.0°C7.1°C91 mm84%7.4 m/s2
200910.4°C9.4°C8.5°C13.1°C6.3°C50 mm86%5.8 m/s2.3
200810.3°C9.4°C8.4°C13.2°C5.7°C97 mm83%7.8 m/s2
200710.4°C9.4°C8.5°C12.6°C5.9°C100 mm84%8.1 m/s2.2
200610.7°C9.5°C8.3°C12.6°C6.5°C50 mm83%6.6 m/s2.3
200511.0°C10.0°C9.0°C12.8°C6.5°C29 mm84%6.2 m/s2.4
200410.8°C9.8°C8.8°C12.9°C5.8°C109 mm84%7.7 m/s2.3
200310.4°C9.5°C8.7°C11.6°C7.8°C16 mm79%5.2 m/s2.6
200210.2°C9.1°C7.9°C12.5°C5.8°C95 mm82%7.9 m/s2.1
200110.8°C9.9°C9.0°C12.7°C6.5°C117 mm85%7.1 m/s2.1
200010.2°C9.3°C8.4°C12.5°C5.8°C66 mm80%8.1 m/s2.2
199910.3°C9.2°C8.1°C12.7°C5.5°C95 mm81%8.2 m/s2.1
19989.8°C8.6°C7.4°C13.0°C5.0°C41 mm80%7.8 m/s2.2
199710.8°C9.8°C8.8°C12.2°C5.7°C42 mm84%6.8 m/s2.4
199610.1°C9.2°C8.3°C12.3°C6.3°C98 mm85%7.2 m/s2.1
19959.6°C8.6°C7.7°C12.1°C5.1°C106 mm81%6.9 m/s2.3
199410.5°C9.5°C8.5°C11.7°C5.3°C57 mm84%7.7 m/s2.3
19939.7°C8.7°C7.7°C11.7°C5.9°C46 mm82%7 m/s2.2
1992 ❄️9.7°C8.5°C7.3°C11.4°C4.2°C76 mm84%6.7 m/s2.1
199110.8°C9.8°C8.8°C13.3°C7.1°C55 mm84%7.2 m/s2.4
199010.7°C9.9°C9.1°C13.2°C7.4°C108 mm82%6.9 m/s2.1
198910.6°C9.9°C9.2°C12.5°C6.5°C114 mm85%5.9 m/s2.2
198810.1°C9.0°C8.0°C12.1°C5.1°C95 mm83%7.7 m/s2.1
198710.4°C9.5°C8.5°C12.3°C6.6°C46 mm83%5.7 m/s2.3
1986 🌧️9.9°C9.1°C8.3°C11.6°C6.2°C148 mm83%6.8 m/s2.1
198510.4°C9.6°C8.7°C12.9°C5.8°C37 mm79%6.5 m/s2.3
198410.2°C9.4°C8.6°C12.5°C4.8°C83 mm82%7.2 m/s2.2
198310.5°C9.5°C8.5°C12.6°C6.0°C43 mm84%5.8 m/s—
198210.4°C9.3°C8.2°C11.8°C5.1°C33 mm83%6.6 m/s—
198110.0°C9.3°C8.6°C12.7°C7.2°C87 mm81%6.9 m/s—

Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.

Waitangi August Weather — FAQ

What is the average temperature in Waitangi in August?▼

The average high in August is around 10.5°C with lows near 8.6°C (mean 9.6°C), based on 45 years of NASA POWER data.

Does it rain a lot in Waitangi in August?▼

August averages 70 mm of rainfall in Waitangi, about average for rainfall. The wettest on record was 148 mm in 1986.

What was the hottest August on record in Waitangi?▼

The hottest August reached 13.8°C in 2014. The coldest dipped to 4.2°C in 1992.

Has August in Waitangi gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.6°C. Daytime highs moved from 10.3°C to 10.8°C and overnight lows from 8.5°C to 9.1°C over the same span.

Is August a good time to visit Waitangi?▼

August is one of the cooler months of the year in Waitangi and about average for rainfall, so plan for around 10.5°C daytime highs and 8.6°C at night.

Is August the coldest month in Waitangi?▼

Yes — August is the coldest month of the year in Waitangi, averaging 9.6°C.

What should I pack for Waitangi in August?▼

For August in Waitangi, pack light layers you can adjust through the day, with typical highs of 10.5°C and lows of 8.6°C. Bring an umbrella or light rain jacket too.

Is Waitangi humid in August?▼

Relative humidity in August averages 83% — quite humid.

How windy is Waitangi in August?▼

Average wind speed in August is 6.9 m/s. The windiest August on record averaged 8.2 m/s (1999).

Which August had the most rainfall in Waitangi?▼

The wettest August on record was 1986 with 148 mm. On average, August sees 70 mm.

Where does this August weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Chatham Islands cities

Explore how the weather in Waitangi behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.