Kaikoura weather in August

In August, Kaikoura sees average daytime highs of 10°C and overnight lows near 7°C, with 79 mm of precipitation across 11.3 wet days and about 10.3 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of August to 10 h 54 min by month's end. Set against the rest of the year, August is Kaikoura's 7th-clearest and 4th-windiest month. For the whole year in context, see Kaikoura's year-round climate.

Daytime high
10°
11th warmest
Overnight low
2nd coldest
Precipitation
79 mm
11.3 wet days
Daylight
10 h 18 min
8:21 AM – 6:37 PM
Cloud cover
54%
7th clearest
Wind
14 km/h
4th windiest
Solar energy
2.67 kWh/m²
Travel score
2.4
out of 10

Kaikoura is town in New Zealand.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical August day in Kaikoura reaches about 10°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 13°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

10°15°151015202531
Avg high (°C)Avg low (°C)
1106
2106
3106
4106
5106
6106
7106
8106
9106
10106
11106
12106
13106
14106
15106
16106
17106
18106
19106
20107
21107
22107
23107
24117
25117
26117
27117
28117
29117
30117
31117

Kaikoura weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan18° / 14°6910.1014.75.9
Feb18° / 14°608.6013.76.1
Mar17° / 13°709.2012.45.6
Apr15° / 11°8010.1010.94.5
May13° / 6910.20.29.63.7
Jun11° / 9611.60.892.5
Jul10° / 9311.81.19.22.1
Aug10° / 7911.30.910.32.4
Sep12° / 659.80.511.73.1
Oct13° / 8212.50.413.23.6
Nov15° / 11°7110.8014.44.4
Dec17° / 13°6511.20155.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45347
55248
65248
75149
85149
95050
105050
115050
125050
134951
144951
155050
165050
175149
185149
195248
205248
215347
225347
235347
245347
255446
265446
275446
285446
295446
305248
315248

Chance of precipitation in August

Any precipitationSnow

Kaikoura gets around 79 mm of rain and snow over 11.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1343
2343
3343
4353
5353
6363
7363
8373
9373
10383
11383
12394
13393
14393
15393
16393
17393
18393
19393
20383
21383
22373
23373
24363
25352
26352
27342
28342
29332
30332
31332

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 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 9 h 42 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 72 minutes over August. Sunrise moves from 8:41 AM to 7:57 AM, and sunset from 6:21 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.78:416:21
29.78:406:22
39.78:396:23
49.88:386:24
59.88:376:25
69.98:356:26
79.98:346:28
89.98:336:29
910.08:316:30
1010.08:306:31
1110.18:296:32
1210.18:276:33
1310.18:266:34
1410.28:246:35
1510.28:236:36
1610.38:216:37
1710.38:206:38
1810.48:186:39
1910.48:176:41
2010.48:156:42
2110.58:146:43
2210.58:126:44
2310.68:106:45
2410.68:096:46
2510.78:076:47
2610.78:066:48
2710.88:046:49
2810.88:026:50
2910.98:006:51
3010.97:596:53
3110.97:576:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 2.67 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 7.08 kWh/m² in January across the year — August's 2.67 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.8Moderate
202.8Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.3Moderate
Planning a trip in August

Is August a good time to visit Kaikoura?

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

2.4
Sightseeing
11th-best month of the year
0.0
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Kaikoura.

What to pack for Kaikoura in August

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

In August, Kaikoura sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Kaikoura in August

The nearest coast averages about 10°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in February at about 17°C and coldest in August near 10°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb17Cool
Mar16Cool
Apr14Bracing
May13Bracing
Jun12Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec15Bracing

UV index in Kaikoura in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kaikoura peaks around January 14 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateHighVery highExtremeJan 14UV 11Jun 16UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Low
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov9Very high
Dec11Extreme
Location & terrain

Where is Kaikoura?

Kaikoura sits at 42.4°S, 173.7°E, 0 m above sea level, in New Zealand. The nearest listed city is Blenheim, 103 km away.

BlenheimRichmondStokePictonNelsonRangioraChristchurchKarori

Topography around Kaikoura

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

Within 3 km, the terrain around Kaikoura has only modest variations in elevation — a maximum elevation change of 131 m around an average of 13 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,593 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,828 m.

The land around Kaikoura is covered by water (64%) and grassland (25%) within 3 km, water (64%) within 16 km, and grassland (42%) and water (33%) within 80 km.

3 km
131 m
16 km
1,593 m
80 km
2,828 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Blenheim 103 km · Richmond 127 km · Stoke 128 km · Picton 128 km · Nelson 132 km · Rangiora 133 km · Christchurch 151 km · Karori 153 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 Kaikoura (-42.4167°, 173.6833°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).