Ashburton weather in July

In July, Ashburton sees average daytime highs of 10°C and overnight lows near 3°C, with 57 mm of precipitation across 8.2 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 8th-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 39% of the time in July, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of July to 9 h 30 min by month's end. Set against the rest of the year, July is Ashburton's 2nd-clearest and 12th-windiest month. For the whole year in context, see Ashburton's year-round climate.

Daytime high
10°
12th warmest
Overnight low
1st coldest
Precipitation
57 mm
8.2 wet days
Daylight
9 hours
9:08 AM – 6:09 PM
Cloud cover
54%
2nd clearest
Wind
11 km/h
12th windiest
Solar energy
1.65 kWh/m²
Travel score
2.5
out of 10

Ashburton is town in New Zealand's South Island.

Air quality
Good
PM10 21.2 µg/m³ · 2012
Density
569/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Ashburton reaches about 10°C in the afternoon and slips back to 3°C overnight — a 8°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, July runs on par with June and about 1°C cooler than August.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1102
2102
3102
4102
5102
6102
7102
8102
9102
10102
11102
12102
13102
14102
15102
16102
17103
18103
19103
20103
21103
22113
23113
24113
25113
26113
27113
28113
29113
30113
31113

How July really feels in Ashburton

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

Ashburton weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45545
55545
65545
75545
85446
95446
105347
115248
125149
135248
145149
155149
165050
175050
185050
195149
205149
215149
225149
235149
245149
255149
265149
275248
285248
295248
305248
315248

Chance of precipitation in July

Any precipitation

Ashburton gets around 57 mm of rain and snow over 8.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 28% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
325
425
525
625
725
825
925
1026
1126
1227
1327
1427
1528
1628
1728
1828
1928
2028
2128
2228
2328
2428
2527
2627
2727
2827
2927
3027
3127

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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 July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 8 h 48 min at the start of July to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over July. Sunrise moves from 9:14 AM to 8:54 AM, and sunset from 5:59 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.89:145:59
28.89:146:00
38.89:146:00
48.89:136:01
58.89:136:01
68.89:136:02
78.89:126:02
88.89:126:03
98.99:126:04
108.99:116:05
118.99:116:05
128.99:106:06
139.09:106:07
149.09:096:08
159.09:096:09
169.09:086:09
179.09:076:10
189.19:076:11
199.19:066:12
209.19:056:13
219.29:046:14
229.29:036:15
239.29:036:16
249.39:026:17
259.39:016:18
269.39:006:19
279.48:596:20
289.48:586:21
299.48:566:22
309.58:556:23
319.58:546:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 1.65 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.6 kWh/m² in January across the year — July's 1.65 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
312.0Dim
Planning a trip in July

Is July a good time to visit Ashburton?

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

2.5
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Ashburton.

What to pack for Ashburton in July

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

In July, Ashburton sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Ashburton in July

The nearest coast averages about 9°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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
July 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. 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).