Rotorua weather in December

In December, Rotorua sees average daytime highs of 20°C and overnight lows near 11°C, with 113 mm of rain across 13 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Rotorua's 12th-clearest and 4th-windiest month. For the whole year in context, see Rotorua's year-round climate.

Daytime high
20°
4th warmest
Overnight low
11°
10th coldest
Rainfall
113 mm
13 wet days
Daylight
14 h 36 min
5:52 AM – 8:30 PM
Cloud cover
69%
12th clearest
Wind
12 km/h
4th windiest
Solar energy
6.05 kWh/m²
Travel score
5.7
out of 10

Rotorua is city in Bay of Plenty, New Zealand.

Air quality
Good
PM10 18.2 µg/m³ · 2012
Density
25/km²
people per km²
Founded
1883

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical December day in Rotorua reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°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)
11910
21910
31911
41911
51911
61911
71911
82011
92011
102011
112011
122011
132011
142011
152011
162011
172011
182012
192012
202012
212012
222012
232012
242012
252012
262012
272112
282112
292112
302112
312112

Rotorua 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
Jan22° / 13°8410.214.36.5
Feb22° / 13°818.913.56.6
Mar20° / 11°859.612.36.3
Apr17° / 1009.5115.5
May14° / 10110.3104.1
Jun12° / 10910.99.42.9
Jul11° / 11812.39.62.5
Aug12° / 11313.210.52.8
Sep14° / 1141311.73.5
Oct15° / 10312.7134.4
Nov18° / 9311.414.15.4
Dec20° / 11°1131314.65.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23367
33367
43367
53367
63367
73367
83367
93367
103466
113466
123466
133466
143466
153466
163466
173466
183367
193367
203268
213268
223268
233268
243268
253367
263367
273466
283466
293565
303763
313763

Chance of precipitation in December

Any precipitation

Rotorua gets around 113 mm of rain over 13 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 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
342
442
542
642
742
842
942
1042
1142
1242
1342
1442
1542
1642
1742
1842
1942
2041
2141
2241
2341
2441
2540
2640
2740
2839
2938
3038
3137

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179192
278202
376213
475223
573234
672244
772244
870255
970255
1069265
1169265
1268266
1367276
1467276
1567276
1667276
1767276
1866286
1966286
2066286
2166286
2266286
2365287
2465287
2565287
2665287
2764288
2864288
2964288
3064288
3162299

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 30 min at the start of December to 14 h 36 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 6:00 AM, and sunset from 8:18 PM to 8:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:518:18
214.55:518:19
314.55:518:20
414.55:518:21
514.55:518:22
614.55:518:23
714.65:518:24
814.65:518:25
914.65:518:25
1014.65:518:26
1114.65:518:27
1214.65:518:28
1314.65:518:28
1414.65:528:29
1514.65:528:30
1614.65:528:30
1714.65:528:31
1814.65:538:32
1914.65:538:32
2014.75:538:33
2114.75:548:33
2214.75:548:34
2314.75:558:34
2414.75:558:34
2514.65:568:35
2614.65:568:35
2714.65:578:36
2814.65:588:36
2914.65:588:36
3014.65:598:36
3114.66:008:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.05 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.59 kWh/m² in January across the year — December's 6.05 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.6Intense
286.7Intense
296.7Intense
306.8Intense
316.8Intense
Planning a trip in December

Is December a good time to visit Rotorua?

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

5.7
Sightseeing
4th-best month of the year
3.0
Beach & pool
4th-best month of the year

December is a reasonable time to visit Rotorua for sightseeing.

What to pack for Rotorua in December

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

In December, Rotorua sees daytime highs around 20°C and nights near 11°C. Pack sun protection. Worth having: rain gear. About 13 days see rain.

sun protectionrain gear

Sea temperature near Rotorua in December

The nearest coast averages about 18°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 44 km away) is warmest in February at about 21°C and coldest in August near 14°C.

It's comfortable for a long swim from Jan 22 to Mar 25 — about 2.1 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb21Refreshing
Mar20Refreshing
Apr19Cool
May18Cool
Jun16Cool
Jul15Bracing
Aug14Bracing
Sep14Bracing
Oct15Cool
Nov16Cool
Dec18Cool

UV index in Rotorua in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rotorua peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateHighVery highExtremeDec 22UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Rotorua?

Rotorua sits at 38.1°S, 176.2°E, 287 m above sea level, in New Zealand. The nearest listed city is Tauranga, 51 km away.

Pukekohe EastNapier

Topography around Rotorua

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

Within 3 km, the terrain around Rotorua has only modest variations in elevation — a maximum elevation change of 84 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 572 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Rotorua is covered by artificial surfaces (36%), trees (22%) and water (22%) within 3 km, trees (46%) and grassland (37%) within 16 km, and trees (44%) and grassland (36%) within 80 km.

3 km
84 m
16 km
572 m
80 km
1,180 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tauranga 51 km · Taupo 62 km · Whakatane 68 km · Cambridge 76 km · Hamilton East 92 km · Hamilton 93 km · Pukekohe East 155 km · Napier 161 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 Rotorua (-38.1387°, 176.2452°, elevation 287 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).