Richmond weather in December

In December, Richmond sees average daytime highs of 18°C and overnight lows near 13°C, with 125 mm of rain across 12.8 wet days and about 14.9 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 27% 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 Richmond's 12th-clearest and 3rd-windiest month. For the whole year in context, see Richmond's year-round climate.

Daytime high
18°
4th warmest
Overnight low
13°
10th coldest
Rainfall
125 mm
12.8 wet days
Daylight
15 hours
5:54 AM – 8:53 PM
Cloud cover
60%
12th clearest
Wind
11 km/h
3rd windiest
Solar energy
6.71 kWh/m²
Travel score
5.4
out of 10

Richmond is town in Tasman District, New Zealand.

Air quality
Good
PM10 19.9 µg/m³ · 2012
Density
1,149/km²
people per km²
Founded
1854

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 18°C through the month.

A typical December day in Richmond reaches about 18°C in the afternoon and slips back to 13°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 20°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11712
21712
31712
41712
51712
61712
71712
81712
91712
101712
111712
121812
131812
141812
151813
161813
171813
181813
191813
201813
211813
221813
231813
241813
251813
261813
271813
281813
291813
301813
311913

Richmond weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°1029.814.66.3
Feb20° / 14°808.113.76.5
Mar18° / 13°938.812.36.2
Apr16° / 11°10810.510.94.9
May13° / 12010.79.73.9
Jun11° / 12710.69.12.8
Jul10° / 1109.49.32.5
Aug11° / 11411.810.32.6
Sep12° / 11712.211.73.2
Oct14° / 1311313.13.9
Nov16° / 10°10911.614.34.7
Dec18° / 13°12512.814.95.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44555
54555
64555
74654
84555
94555
104654
114753
124852
134852
144852
154852
164852
174951
184951
194951
204951
215050
225050
235050
245050
255050
265149
275149
285248
295248
305347
315347

Chance of precipitation in December

Any precipitation

Richmond gets around 125 mm of rain over 12.8 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 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
242
342
442
543
643
743
843
943
1043
1143
1243
1342
1442
1542
1642
1741
1841
1941
2041
2140
2240
2340
2439
2539
2638
2738
2837
2936
3036
3135

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 (%)
180182
279192
378202
476213
575223
674233
774233
873243
972253
1072253
1171263
1271263
1370273
1470273
1570273
1669283
1769283
1869283
1968293
2068293
2168293
2268293
2367294
2467294
2567294
2667294
2766295
2866295
2965305
3064306
3164306

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 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
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:54 AM to 6:02 AM, and sunset from 8:40 PM to 8:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:548:40
214.85:548:41
314.85:548:42
414.85:548:43
514.85:538:44
614.95:538:45
714.95:538:46
814.95:538:46
914.95:538:47
1014.95:538:48
1114.95:538:49
1214.95:538:50
1314.95:548:50
1415.05:548:51
1515.05:548:52
1615.05:548:53
1715.05:558:53
1815.05:558:54
1915.05:558:54
2015.05:568:55
2115.05:568:55
2215.05:578:56
2315.05:578:56
2415.05:588:57
2515.05:588:57
2615.05:598:58
2715.05:598:58
2815.06:008:58
2915.06:018:58
3015.06:018:59
3114.96:028:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.71 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 7.08 kWh/m² in January across the year — December's 6.71 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.1Intense
247.1Intense
257.2Intense
267.2Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.4Intense
Planning a trip in December

Is December a good time to visit Richmond?

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

5.4
Sightseeing
4th-best month of the year
1.7
Beach & pool
4th-best month of the year

December is a reasonable time to visit Richmond for sightseeing.

What to pack for Richmond in December

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

In December, Richmond sees daytime highs around 18°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 13 days see rain.

sun protectionrain gear

Sea temperature near Richmond in December

The nearest coast averages about 17°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 24 km away) is warmest in February at about 20°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°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan19Cool
Feb20Cool
Mar19Cool
Apr17Cool
May15Cool
Jun14Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct14Bracing
Nov16Cool
Dec17Cool

UV index in Richmond 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 Richmond 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 Richmond?

Richmond sits at 41.3°S, 173.2°E, 10 m above sea level, in New Zealand. The nearest listed city is Stoke, 5.0 km away.

KaikouraKaroriWellingtonPorirua

Topography around Richmond

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

Within 3 km, the terrain around Richmond has significant variations in elevation — a maximum elevation change of 330 m around an average of 24 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,512 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,288 m.

The land around Richmond is covered by grassland (27%), water (27%) and artificial surfaces (22%) within 3 km, trees (48%), grassland (24%) and water (22%) within 16 km, and trees (52%), water (23%) and grassland (22%) within 80 km.

3 km
330 m
16 km
1,512 m
80 km
2,288 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Stoke 5.0 km · Nelson 11 km · Blenheim 67 km · Picton 69 km · Kaikoura 127 km · Karori 130 km · Wellington 133 km · Porirua 141 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 Richmond (-41.3333°, 173.1833°, elevation 10 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).