Blenheim weather in June

In June, Blenheim sees average daytime highs of 12°C and overnight lows near 5°C, with 81 mm of precipitation across 9.4 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 42% of the time in June, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of June to 9 hours by month's end. Set against the rest of the year, June is Blenheim's 3rd-clearest and 10th-windiest month. For the whole year in context, see Blenheim's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Precipitation
81 mm
9.4 wet days
Daylight
9 hours
8:54 AM – 5:55 PM
Cloud cover
52%
3rd clearest
Wind
13 km/h
10th windiest
Solar energy
1.7 kWh/m²
Travel score
3.1
out of 10

Blenheim is town in New Zealand.

Air quality
Good
PM10 18.5 µg/m³ · 2012
Density
287/km²
people per km²
Founded
1850

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical June day in Blenheim reaches about 12°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 14°C. Set against its neighbours, June runs about 3°C cooler than May and on par with July.

10°15°151015202530
Avg high (°C)Avg low (°C)
1126
2126
3126
4126
5126
6126
7126
8126
9126
10126
11126
12126
13125
14125
15125
16125
17115
18115
19115
20115
21115
22115
23115
24115
25115
26115
27115
28115
29115
30115

Blenheim weather by month

How June compares with the rest of the year at a glance. June is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 13°608.114.76.6
Feb20° / 13°536.313.76.9
Mar19° / 11°537.112.36.6
Apr16° / 678.210.95.5
May14° / 638.49.74.4
Jun12° / 819.49.13.1
Jul11° / 769.79.32.7
Aug12° / 7410.810.33.1
Sep13° / 7310.311.73.8
Oct15° / 8311.113.14.6
Nov17° / 10°739.914.35.4
Dec19° / 12°7310.414.96.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45743
55743
65743
75644
85545
95545
105446
115446
125446
135446
145446
155347
165446
175446
185446
195545
205545
215545
225644
235644
245644
255644
265644
275644
285545
295545
305545

Chance of precipitation in June

Any precipitation

Blenheim gets around 81 mm of rain and snow over 9.4 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)
129
229
329
429
529
630
730
830
931
1031
1131
1231
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2931
3031

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June 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%151015202530
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

Wind in June

Winds average 13 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 9 h 12 min at the start of June to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over June. Sunrise moves from 8:45 AM to 8:57 AM, and sunset from 5:59 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
19.28:455:59
29.28:465:58
39.28:465:58
49.28:475:57
59.18:485:57
69.18:495:56
79.18:495:56
89.18:505:56
99.18:505:56
109.18:515:55
119.18:525:55
129.08:525:55
139.08:535:55
149.08:535:55
159.08:545:55
169.08:545:55
179.08:545:55
189.08:555:55
199.08:555:55
209.08:555:55
219.08:565:55
229.08:565:55
239.08:565:56
249.08:565:56
259.08:565:56
269.08:575:56
279.08:575:57
289.08:575:57
299.08:575:58
309.08:575:58

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 1.7 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.31 kWh/m² in January across the year — June's 1.7 kWh/m² sits near the bottom.

00.511.522.5151015202530
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
Planning a trip in June

Is June a good time to visit Blenheim?

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

3.1
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

June is a weaker month for outdoor sightseeing in Blenheim.

What to pack for Blenheim in June

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

In June, Blenheim sees daytime highs around 12°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Blenheim in June

The nearest coast averages about 13°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in February at about 17°C and coldest in August near 12°C.

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

10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb17Cool
Mar16Cool
Apr15Cool
May14Bracing
Jun13Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov14Bracing
Dec15Bracing

UV index in Blenheim in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Blenheim peaks around January 11 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 11UV 11Jun 16UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Low
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov9Very high
Dec11Extreme
Location & terrain

Where is Blenheim?

Blenheim sits at 41.5°S, 174.0°E, 9 m above sea level, in New Zealand. The nearest listed city is Picton, 25 km away.

Topography around Blenheim

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

Within 3 km, the terrain around Blenheim has only modest variations in elevation — a maximum elevation change of 79 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 899 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,829 m.

The land around Blenheim is covered by grassland (47%) and artificial surfaces (32%) within 3 km, grassland (53%) and trees (24%) within 16 km, and water (47%), trees (28%) and grassland (21%) within 80 km.

3 km
79 m
16 km
899 m
80 km
2,829 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Picton 25 km · Nelson 62 km · Stoke 64 km · Richmond 67 km · Karori 71 km · Wellington 73 km · Porirua 86 km · Lower Hutt 87 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 Blenheim (-41.516°, 173.9528°, elevation 9 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).