Wainuiomata weather in December

In December, Wainuiomata sees average daytime highs of 17°C and overnight lows near 12°C, with 69 mm of rain across 10.6 wet days and about 14.9 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°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 Wainuiomata's 12th-clearest and 4th-windiest month. For the whole year in context, see Wainuiomata's year-round climate.

Daytime high: 17°; 4th warmest
Overnight low: 12°; 9th coldest
Rainfall: 69 mm; 10.6 wet days
Daylight: 15 hours; 5:47 AM – 8:45 PM
Cloud cover: 62%; 12th clearest
Wind: 21 km/h; 4th windiest
Solar energy: 6.78 kWh/m²
Travel score: 5.5; out of 10

Wainuiomata is town in New Zealand.

Air quality: Excellent; PM10 10.1 µg/m³ · 2012

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

← November Wainuiomata year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical December day in Wainuiomata reaches about 17°C in the afternoon and slips back to 12°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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	16	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18
Avg low (°C)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	16	12
2	17	12
3	17	12
4	17	12
5	17	12
6	17	12
7	17	12
8	17	12
9	17	12
10	17	12
11	17	12
12	17	12
13	17	12
14	17	12
15	17	12
16	17	13
17	17	13
18	17	13
19	17	13
20	18	13
21	18	13
22	18	13
23	18	13
24	18	13
25	18	13
26	18	13
27	18	13
28	18	13
29	18	13
30	18	13
31	18	13

Wainuiomata weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 14°	58	8.3	14.6	6.3
Feb	19° / 14°	56	7.3	13.7	6.6
Mar	18° / 13°	59	8.1	12.3	6.2
Apr	16° / 11°	70	9.7	10.9	5.1
May	14° / 9°	70	10.4	9.7	4.1
Jun	12° / 8°	88	11.9	9.1	3.1
Jul	11° / 7°	84	12	9.3	2.7
Aug	12° / 7°	81	13.3	10.3	2.8
Sep	13° / 8°	76	11.6	11.7	3.4
Oct	14° / 9°	88	11.7	13.1	3.9
Nov	15° / 11°	73	10.5	14.3	4.7
Dec	17° / 12°	69	10.6	14.9	5.5

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 17% of December, with mostly cloudy or overcast conditions the remaining 55%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	43	41	41	41	42	41	41	41	42	42	42	43	43	44	44	45	45	45	45	45	46	46	46	47	47	48	47	48	48	49	49
Cloudier (%)	57	59	59	59	58	59	59	59	58	58	58	57	57	56	56	55	55	55	55	55	54	54	54	53	53	52	53	52	52	51	51

	Clearer (%)	Cloudier (%)
1	43	57
2	41	59
3	41	59
4	41	59
5	42	58
6	41	59
7	41	59
8	41	59
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	45	55
20	45	55
21	46	54
22	46	54
23	46	54
24	47	53
25	47	53
26	48	52
27	47	53
28	48	52
29	48	52
30	49	51
31	49	51

Chance of precipitation in December

Any precipitation

Wainuiomata gets around 69 mm of rain over 10.6 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 34% and peaks near 36% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	36	36	36	35	35	34	34	34	33	33	33	34	34	34	34	34	35	35	35	35	35	35	35	35	34	34	33	32	32	32	31

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	34
8	34
9	33
10	33
11	33
12	34
13	34
14	34
15	34
16	34
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	34
26	34
27	33
28	32
29	32
30	32
31	31

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	77	76	74	73	72	72	71	69	69	69	68	68	68	67	67	67	66	66	66	64	64	63	63	62	62	61	61	60	59	59	59
Comfortable (%)	22	23	24	25	26	26	27	28	28	28	29	29	29	29	29	29	30	30	30	31	31	32	32	33	33	34	34	34	35	35	35
Humid (%)	1	1	2	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	4	5	5	5	5	5	5	5	5	6	6	6	6

	Dry (%)	Comfortable (%)	Humid (%)
1	77	22	1
2	76	23	1
3	74	24	2
4	73	25	2
5	72	26	2
6	72	26	2
7	71	27	2
8	69	28	3
9	69	28	3
10	69	28	3
11	68	29	3
12	68	29	3
13	68	29	3
14	67	29	4
15	67	29	4
16	67	29	4
17	66	30	4
18	66	30	4
19	66	30	4
20	64	31	5
21	64	31	5
22	63	32	5
23	63	32	5
24	62	33	5
25	62	33	5
26	61	34	5
27	61	34	5
28	60	34	6
29	59	35	6
30	59	35	6
31	59	35	6

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 21 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	21	breezy
2	21	breezy
3	21	breezy
4	21	breezy
5	21	breezy
6	21	breezy
7	21	breezy
8	21	breezy
9	21	breezy
10	21	breezy
11	21	breezy
12	21	breezy
13	21	breezy
14	21	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	21	breezy
25	21	breezy
26	21	breezy
27	21	breezy
28	21	breezy
29	21	breezy
30	21	breezy
31	21	breezy

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 5:47 AM to 5:55 AM, and sunset from 8:33 PM to 8:52 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	14.8	14.8	14.8	14.8	14.8	14.9	14.9	14.9	14.9	14.9	14.9	14.9	14.9	14.9	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	15.0	14.9	14.9
Sunrise (AM)	5:47	5:47	5:47	5:47	5:47	5:46	5:46	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:47	5:47	5:48	5:48	5:48	5:49	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	5:54	5:54	5:55
Sunset (PM)	8:33	8:34	8:35	8:36	8:37	8:37	8:38	8:39	8:40	8:41	8:42	8:42	8:43	8:44	8:45	8:45	8:46	8:46	8:47	8:48	8:48	8:49	8:49	8:49	8:50	8:50	8:51	8:51	8:51	8:51	8:52

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.8	5:47	8:33
2	14.8	5:47	8:34
3	14.8	5:47	8:35
4	14.8	5:47	8:36
5	14.8	5:47	8:37
6	14.9	5:46	8:37
7	14.9	5:46	8:38
8	14.9	5:46	8:39
9	14.9	5:46	8:40
10	14.9	5:46	8:41
11	14.9	5:47	8:42
12	14.9	5:47	8:42
13	14.9	5:47	8:43
14	14.9	5:47	8:44
15	15.0	5:47	8:45
16	15.0	5:47	8:45
17	15.0	5:48	8:46
18	15.0	5:48	8:46
19	15.0	5:48	8:47
20	15.0	5:49	8:48
21	15.0	5:49	8:48
22	15.0	5:50	8:49
23	15.0	5:50	8:49
24	15.0	5:51	8:49
25	15.0	5:51	8:50
26	15.0	5:52	8:50
27	15.0	5:52	8:51
28	15.0	5:53	8:51
29	15.0	5:54	8:51
30	14.9	5:54	8:51
31	14.9	5:55	8:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.78 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 7.16 kWh/m² in January across the year — December's 6.78 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.6	6.6	6.6	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.8	6.8	6.8	6.8	6.8	6.9	6.9	6.9	7.0	7.0	7.1	7.1	7.2	7.2	7.3	7.3	7.4	7.4	7.5	7.5
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.6	Intense
2	6.6	Intense
3	6.6	Intense
4	6.7	Intense
5	6.7	Intense
6	6.7	Intense
7	6.7	Intense
8	6.7	Intense
9	6.7	Intense
10	6.7	Intense
11	6.7	Intense
12	6.8	Intense
13	6.8	Intense
14	6.8	Intense
15	6.8	Intense
16	6.8	Intense
17	6.9	Intense
18	6.9	Intense
19	6.9	Intense
20	7.0	Intense
21	7.0	Intense
22	7.1	Intense
23	7.1	Intense
24	7.2	Intense
25	7.2	Intense
26	7.3	Intense
27	7.3	Intense
28	7.4	Intense
29	7.4	Intense
30	7.5	Intense
31	7.5	Intense

Planning a trip in December

Is December a good time to visit Wainuiomata?

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

5.5

Sightseeing

4th-best month of the year

1.5

Beach & pool

4th-best month of the year

December is a reasonable time to visit Wainuiomata for sightseeing.

What to pack for Wainuiomata in December

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

In December, Wainuiomata sees daytime highs around 17°C and nights near 12°C. Pack sun protection. Worth having: rain gear and a windbreaker. About 11 days see rain.

sun protectionrain geara windbreaker

Sea temperature near Wainuiomata 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	16	17	16	15	14	13	12	12	12	13	14	15
Comfort	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	16	Cool
Feb	17	Cool
Mar	16	Cool
Apr	15	Cool
May	14	Bracing
Jun	13	Bracing
Jul	12	Bracing
Aug	12	Bracing
Sep	12	Bracing
Oct	13	Bracing
Nov	14	Bracing
Dec	15	Bracing

UV index in Wainuiomata 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 Wainuiomata 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	10	6	4	2	1	2	3	4	6	9	11
Level	Extreme	Extreme	High	Moderate	Low	Low	Low	Moderate	Moderate	High	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	10	Extreme
Mar	6	High
Apr	4	Moderate
May	2	Low
Jun	1	Low
Jul	2	Low
Aug	3	Moderate
Sep	4	Moderate
Oct	6	High
Nov	9	Very high
Dec	11	Extreme

Location & terrain

Where is Wainuiomata?

Wainuiomata sits at 41.3°S, 174.9°E, 93 m above sea level, in New Zealand. The nearest listed city is Lower Hutt, 6.0 km away.

Topography around Wainuiomata

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

Within 3 km, the terrain around Wainuiomata has significant variations in elevation — a maximum elevation change of 386 m around an average of 178 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 923 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,512 m.

The land around Wainuiomata is covered by trees (81%) within 3 km, trees (64%) within 16 km, and water (59%) and trees (23%) within 80 km.

3 km

386 m

trees 81%

16 km

923 m

trees 64%

80 km

1,512 m

water 59%

treesgrasslandcroplandartificial surfaceswater

← November Wainuiomata year-round climate January →Best places to visit in December

December weather nearby: Lower Hutt 6.0 km · Wellington 15 km · Upper Hutt 17 km · Porirua 17 km · Karori 18 km · Paraparaumu 39 km · Masterton 68 km · Levin 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

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 Wainuiomata (-41.2667°, 174.95°, elevation 93 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).

	Avg high (°C)	Avg low (°C)
1	16	12
2	17	12
3	17	12
4	17	12
5	17	12
6	17	12
7	17	12
8	17	12
9	17	12
10	17	12
11	17	12
12	17	12
13	17	12
14	17	12
15	17	12
16	17	13
17	17	13
18	17	13
19	17	13
20	18	13
21	18	13
22	18	13
23	18	13
24	18	13
25	18	13
26	18	13
27	18	13
28	18	13
29	18	13
30	18	13
31	18	13

	Clearer (%)	Cloudier (%)
1	43	57
2	41	59
3	41	59
4	41	59
5	42	58
6	41	59
7	41	59
8	41	59
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	45	55
20	45	55
21	46	54
22	46	54
23	46	54
24	47	53
25	47	53
26	48	52
27	47	53
28	48	52
29	48	52
30	49	51
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	34
8	34
9	33
10	33
11	33
12	34
13	34
14	34
15	34
16	34
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	34
26	34
27	33
28	32
29	32
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)
1	77	22	1
2	76	23	1
3	74	24	2
4	73	25	2
5	72	26	2
6	72	26	2
7	71	27	2
8	69	28	3
9	69	28	3
10	69	28	3
11	68	29	3
12	68	29	3
13	68	29	3
14	67	29	4
15	67	29	4
16	67	29	4
17	66	30	4
18	66	30	4
19	66	30	4
20	64	31	5
21	64	31	5
22	63	32	5
23	63	32	5
24	62	33	5
25	62	33	5
26	61	34	5
27	61	34	5
28	60	34	6
29	59	35	6
30	59	35	6
31	59	35	6

	Avg high (°C)	Avg low (°C)
1	16	12
2	17	12
3	17	12
4	17	12
5	17	12
6	17	12
7	17	12
8	17	12
9	17	12
10	17	12
11	17	12
12	17	12
13	17	12
14	17	12
15	17	12
16	17	13
17	17	13
18	17	13
19	17	13
20	18	13
21	18	13
22	18	13
23	18	13
24	18	13
25	18	13
26	18	13
27	18	13
28	18	13
29	18	13
30	18	13
31	18	13

	Clearer (%)	Cloudier (%)
1	43	57
2	41	59
3	41	59
4	41	59
5	42	58
6	41	59
7	41	59
8	41	59
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	45	55
20	45	55
21	46	54
22	46	54
23	46	54
24	47	53
25	47	53
26	48	52
27	47	53
28	48	52
29	48	52
30	49	51
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	34
8	34
9	33
10	33
11	33
12	34
13	34
14	34
15	34
16	34
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	34
26	34
27	33
28	32
29	32
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)
1	77	22	1
2	76	23	1
3	74	24	2
4	73	25	2
5	72	26	2
6	72	26	2
7	71	27	2
8	69	28	3
9	69	28	3
10	69	28	3
11	68	29	3
12	68	29	3
13	68	29	3
14	67	29	4
15	67	29	4
16	67	29	4
17	66	30	4
18	66	30	4
19	66	30	4
20	64	31	5
21	64	31	5
22	63	32	5
23	63	32	5
24	62	33	5
25	62	33	5
26	61	34	5
27	61	34	5
28	60	34	6
29	59	35	6
30	59	35	6
31	59	35	6

	Avg high (°C)	Avg low (°C)
1	16	12
2	17	12
3	17	12
4	17	12
5	17	12
6	17	12
7	17	12
8	17	12
9	17	12
10	17	12
11	17	12
12	17	12
13	17	12
14	17	12
15	17	12
16	17	13
17	17	13
18	17	13
19	17	13
20	18	13
21	18	13
22	18	13
23	18	13
24	18	13
25	18	13
26	18	13
27	18	13
28	18	13
29	18	13
30	18	13
31	18	13

	Clearer (%)	Cloudier (%)
1	43	57
2	41	59
3	41	59
4	41	59
5	42	58
6	41	59
7	41	59
8	41	59
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	45	55
20	45	55
21	46	54
22	46	54
23	46	54
24	47	53
25	47	53
26	48	52
27	47	53
28	48	52
29	48	52
30	49	51
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	34
8	34
9	33
10	33
11	33
12	34
13	34
14	34
15	34
16	34
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	34
26	34
27	33
28	32
29	32
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)
1	77	22	1
2	76	23	1
3	74	24	2
4	73	25	2
5	72	26	2
6	72	26	2
7	71	27	2
8	69	28	3
9	69	28	3
10	69	28	3
11	68	29	3
12	68	29	3
13	68	29	3
14	67	29	4
15	67	29	4
16	67	29	4
17	66	30	4
18	66	30	4
19	66	30	4
20	64	31	5
21	64	31	5
22	63	32	5
23	63	32	5
24	62	33	5
25	62	33	5
26	61	34	5
27	61	34	5
28	60	34	6
29	59	35	6
30	59	35	6
31	59	35	6