Ashburton in Winter

In winter (June, July and August), Ashburton sees average daytime highs around 11°C and overnight lows near 3°C, with 172 mm of precipitation over about 26 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.

Across winter, daytime highs hold fairly steady around 11°C. The sky is clear or mostly clear about 38% of the time across winter, and the air most often feels dry.

Winter is Ashburton's weakest season of the year to visit on our travel score. For the whole year in context, see Ashburton's year-round climate.

Avg daytime high
11°C
coldest season of the year
Avg overnight low
3°C
Precipitation
172 mm
26 wet days
Avg wind
11 km/h
Travel score
2.8
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Ashburton in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 11°C.

A typical winter day in Ashburton reaches about 11°C and drops to 3°C overnight. The warmest of the three months is August, the coolest July.

-5°10°15°20°JunJulAug

How winter really feels in Ashburton

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 37 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
37
wind chill below the day's low

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

Ashburton weather by month

How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 13°589.214.96.4
Feb20° / 12°517.313.86.6
Mar19° / 11°517.412.46.4
Apr16° / 599.410.85.2
May14° / 528.29.54.1
Jun11° / 588.78.82.7
Jul10° / 578.29.12.5
Aug12° / 589.410.23.1
Sep14° / 498.711.74.1
Oct15° / 5810.713.24.6
Nov17° / 6610.814.55.2
Dec19° / 11°661115.25.8

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time across winter.

0%25%50%75%100%JunJulAug

Chance of precipitation in Winter

Any precipitation

Ashburton gets around 172 mm of rain and snow over 26 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%JunJulAug

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Winter

Winds average 11 km/h across winter.

051015JunJulAug

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 hours in early June to 10 h 54 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 1.9 kWh/m².

01234JunJulAug
Planning a trip in winter

Is winter a good time to visit Ashburton?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.8
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Ashburton.

What to pack for Ashburton in Winter

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

In winter, Ashburton sees daytime highs around 11°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 26 days see rain.

a warm layerrain gear

Sea temperature near Ashburton in Winter

The nearest coast averages about 9°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in February at about 17°C and coldest in August near 9°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar16Cool
Apr14Bracing
May12Bracing
Jun10Bracing
Jul9Bracing
Aug9Bracing
Sep10Bracing
Oct11Bracing
Nov14Bracing
Dec15Cool

UV index in Ashburton in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ashburton peaks around January 16 at about 10 (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 16UV 10Jun 16UV 1
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul2Low
Aug2Moderate
Sep3Moderate
Oct6High
Nov8Very high
Dec10Very high
Location & terrain

Where is Ashburton?

Ashburton sits at 43.9°S, 171.7°E, 106 m above sea level, in New Zealand. The nearest listed city is Rolleston, 63 km away.

RangioraTekapoFranz JosefWanakaKaikoura

Topography around Ashburton

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

Within 3 km, the terrain around Ashburton has only modest variations in elevation — a maximum elevation change of 42 m around an average of 103 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,287 m.

The land around Ashburton is covered by grassland (40%) and artificial surfaces (25%) within 3 km, grassland (50%) and cropland (42%) within 16 km, and grassland (46%) and water (27%) within 80 km.

3 km
42 m
16 km
195 m
80 km
2,287 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Rolleston 63 km · Timaru 67 km · Christchurch 83 km · Rangiora 95 km · Tekapo 101 km · Franz Josef 137 km · Wanaka 224 km · Kaikoura 229 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 Ashburton (-43.8983°, 171.7301°, elevation 106 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.