Picton weather in December

In December, Picton sees average daytime highs of 19°C and overnight lows near 13°C, with 75 mm of rain across 10.4 wet days and about 14.9 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of December to 14 h 54 min by month's end. Set against the rest of the year, December is Picton's 12th-clearest and 3rd-windiest month. For the whole year in context, see Picton's year-round climate.

Daytime high
19°
4th warmest
Overnight low
13°
10th coldest
Rainfall
75 mm
10.4 wet days
Daylight
15 hours
5:51 AM – 8:49 PM
Cloud cover
60%
12th clearest
Wind
18 km/h
3rd windiest
Solar energy
7.27 kWh/m²
Travel score
6.0
out of 10

Picton is town in New Zealand.

Density
144/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical December day in Picton reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11812
21812
31812
41812
51812
61812
71812
81812
91812
101812
111912
121912
131912
141912
151913
161913
171913
181913
191913
201913
211913
221913
231913
241913
251913
261913
271913
281913
291913
301913
312013

Picton weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°607.414.66.8
Feb20° / 14°525.713.77.1
Mar19° / 13°587.112.36.7
Apr17° / 11°788.210.95.6
May14° / 758.59.74.5
Jun12° / 919.79.13.3
Jul11° / 8310.19.32.9
Aug12° / 7910.810.33.2
Sep14° / 7710.111.73.9
Oct15° / 8911.313.14.5
Nov17° / 11°739.514.35.5
Dec19° / 13°7510.414.96.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54357
64357
74357
84357
94357
104357
114357
124456
134357
144357
154555
164555
174555
184654
194654
204753
214753
224852
234852
244951
255050
265050
275050
285149
295149
305248
315248

Chance of precipitation in December

Any precipitation

Picton gets around 75 mm of rain over 10.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
533
633
734
834
934
1034
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2134
2234
2333
2433
2532
2631
2730
2830
2929
3028
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179192
279192
377203
476213
575223
674233
773243
873243
972253
1071263
1171263
1270273
1370273
1469283
1569283
1669283
1768293
1868293
1968293
2068293
2168293
2268293
2368293
2467294
2567294
2667294
2767294
2867294
2966304
3065305
3164315

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 48 min at the start of December to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:51 AM to 5:59 AM, and sunset from 8:37 PM to 8:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:518:37
214.85:518:38
314.85:508:38
414.85:508:39
514.85:508:40
614.95:508:41
714.95:508:42
814.95:508:43
914.95:508:44
1014.95:508:45
1114.95:508:46
1214.95:508:46
1314.95:508:47
1415.05:518:48
1515.05:518:48
1615.05:518:49
1715.05:518:50
1815.05:528:50
1915.05:528:51
2015.05:538:51
2115.05:538:52
2215.05:538:52
2315.05:548:53
2415.05:548:53
2515.05:558:54
2615.05:568:54
2715.05:568:54
2815.05:578:55
2915.05:578:55
3015.05:588:55
3114.95:598:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.27 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.55 kWh/m² in January across the year — December's 7.27 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.4Intense
207.4Intense
217.5Intense
227.5Intense
237.6Intense
247.7Intense
257.7Intense
267.8Intense
277.8Intense
287.8Intense
297.9Intense
307.9Intense
317.9Intense
Planning a trip in December

Is December a good time to visit Picton?

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

6.0
Sightseeing
4th-best month of the year
2.4
Beach & pool
4th-best month of the year

December is a reasonable time to visit Picton for sightseeing.

What to pack for Picton in December

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

In December, Picton sees daytime highs around 19°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 10 days see rain.

sun protectionrain gear

Sea temperature near Picton in December

The nearest coast averages about 15°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 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 Picton in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Picton peaks around January 1 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 1UV 11Jun 17UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Low
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov9Very high
Dec11Extreme
Location & terrain

Where is Picton?

Picton sits at 41.3°S, 174.0°E, 0 m above sea level, in New Zealand. The nearest listed city is Blenheim, 25 km away.

Topography around Picton

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

Within 3 km, the terrain around Picton has large variations in elevation — a maximum elevation change of 675 m around an average of 157 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,051 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,066 m.

The land around Picton is covered by trees (79%) within 3 km, trees (60%) and water (31%) within 16 km, and water (57%) and trees (25%) within 80 km.

3 km
675 m
16 km
1,051 m
80 km
2,066 m
treesgrasslandartificial surfaceswater
December weather nearby: Blenheim 25 km · Nelson 61 km · Karori 61 km · Wellington 64 km · Stoke 65 km · Richmond 69 km · Porirua 73 km · Lower Hutt 76 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 Picton (-41.2907°, 174.008°, 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).