Wanaka weather in August

In August, Wanaka sees average daytime highs of 5°C and overnight lows near -1°C, with 78 mm of precipitation across 10.6 wet days and about 10.1 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 4°C in the first days to 6°C by the end. The sky is clear or mostly clear about 10% of the time in August, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of August to 10 h 54 min by month's end. Set against the rest of the year, August is Wanaka's 10th-clearest and 10th-windiest month. For the whole year in context, see Wanaka's year-round climate.

Daytime high
10th warmest
Overnight low
-1°
3rd coldest
Precipitation
78 mm
10.6 wet days
Daylight
10 h 06 min
8:44 AM – 6:51 PM
Cloud cover
74%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
2.32 kWh/m²
Travel score
0.2
out of 10

Wanaka is ski and summer resort town in the Otago region of the South Island of New Zealand.

Density
461/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 4°C in the first days to 6°C by the end.

A typical August day in Wanaka reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 8°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C cooler than September.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
14-2
24-2
34-2
44-2
54-2
64-2
74-2
84-2
94-2
104-2
114-2
124-2
134-1
145-1
155-1
165-1
175-1
185-1
195-1
205-1
215-1
226-1
236-1
246-1
256-1
2660
2760
2860
2960
3070
3170

How August really feels in Wanaka

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Wanaka weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan17° / 11311.20.1155.4
Feb18° / 819.30.113.95.6
Mar15° / 9610.50.112.44.6
Apr12° / 8910.20.510.83.2
May / 10412.72.29.41.4
Jun / -1°8510.64.38.70.0
Jul / -3°799.7590.0
Aug / -1°7810.64.610.10.2
Sep / 11012.83.911.71.3
Oct11° / 118142.713.32.4
Nov13° / 11613.41.214.63.4
Dec16° / 12414.10.315.34.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
72080
82179
92179
102377
112377
122476
132476
142575
152575
162674
172674
182773
192872
202971
212971
223169
233169
243268
253367
263367
273367
283466
293466
303466
313466

Chance of precipitation in August

Any precipitationSnow

Wanaka gets around 78 mm of rain and snow over 10.6 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13315
23315
33315
43415
53415
63516
73516
83616
93616
103616
113616
123616
133616
143716
153716
163716
173615
183615
193615
203615
213514
223514
233514
243414
253414
263514
273514
283614
293614
303714
313714

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 9 h 30 min at the start of August to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over August. Sunrise moves from 9:06 AM to 8:18 AM, and sunset from 6:33 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.59:066:33
29.59:046:35
39.59:036:36
49.69:026:37
59.69:006:38
69.78:596:39
79.78:586:40
89.88:566:41
99.88:556:43
109.88:536:44
119.98:526:45
129.98:506:46
1310.08:496:47
1410.08:476:49
1510.18:466:50
1610.18:446:51
1710.28:426:52
1810.28:416:53
1910.38:396:55
2010.38:376:56
2110.48:366:57
2210.48:346:58
2310.58:326:59
2410.58:307:01
2510.68:297:02
2610.68:277:03
2710.78:257:04
2810.78:237:05
2910.88:217:07
3010.88:207:08
3110.98:187:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 2.32 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.66 kWh/m² in January across the year — August's 2.32 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.9Dim
51.9Dim
61.9Dim
72.0Dim
82.0Moderate
92.0Moderate
102.1Moderate
112.1Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.3Moderate
162.3Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.5Moderate
212.5Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.8Moderate
282.8Moderate
292.9Moderate
302.9Moderate
313.0Moderate
Planning a trip in August

Is August a good time to visit Wanaka?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Wanaka.

What to pack for Wanaka in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Wanaka sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Wanaka in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wanaka peaks around January 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highJan 15UV 11Jun 16UV 1
UV index (midday)Level
Jan11Extreme
Feb9Very high
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul2Low
Aug2Moderate
Sep5Moderate
Oct6High
Nov8Very high
Dec10Very high
Location & terrain

Where is Wanaka?

Wanaka sits at 44.7°S, 169.2°E, 0 m above sea level, in New Zealand. The nearest listed city is Queenstown, 53 km away.

TekapoFranz JosefDunedinTimaruInvercargillAshburtonRolleston

Topography around Wanaka

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Wanaka.

Within 3 km, the terrain around Wanaka has significant variations in elevation — a maximum elevation change of 258 m around an average of 325 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,573 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,837 m.

The land around Wanaka is covered by grassland (49%) and trees (23%) within 3 km, grassland (64%) within 16 km, and grassland (68%) and trees (20%) within 80 km.

3 km
258 m
16 km
1,573 m
80 km
2,837 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
August weather nearby: Queenstown 53 km · Tekapo 131 km · Franz Josef 167 km · Dunedin 168 km · Timaru 170 km · Invercargill 199 km · Ashburton 224 km · Rolleston 286 km

New Zealand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 86% of US
price level, 2025
GDP per capita
$49,591
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.5
per 100k, 2022
Road deaths
9.6
per 100k/yr, 2019
Income group
High
World Bank
Religion
no religion 49%Christian 37%objected to answering 7%Hindu 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Wanaka (-44.7°, 169.15°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).