Porirua weather in December

In December, Porirua sees average daytime highs of 16°C and overnight lows near 14°C, with 65 mm of rain across 9.6 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 16°C through the month. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of December to 14 h 54 min by month's end. Set against the rest of the year, December is Porirua's 12th-clearest and 4th-windiest month. For the whole year in context, see Porirua's year-round climate.

Daytime high: 16°; 4th warmest
Overnight low: 14°; 9th coldest
Rainfall: 65 mm; 9.6 wet days
Daylight: 14 h 54 min; 5:48 AM – 8:45 PM
Cloud cover: 57%; 12th clearest
Wind: 27 km/h; 4th windiest
Solar energy: 6.94 kWh/m²
Travel score: 5.0; out of 10

Porirua is city in New Zealand.

Air quality: Excellent; PM10 12.1 µg/m³ · 2012
Density: 337/km²; people per km²

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

← November Porirua 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 16°C through the month.

A typical December day in Porirua reaches about 16°C in the afternoon and slips back to 14°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°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)	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14

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

Porirua 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	17° / 15°	55	7.5	14.6	5.9
Feb	18° / 15°	56	6.1	13.6	6.4
Mar	17° / 14°	59	7.4	12.3	5.8
Apr	15° / 13°	73	9	10.9	4.8
May	14° / 12°	76	10.2	9.7	4.0
Jun	12° / 10°	95	12.1	9.1	3.1
Jul	11° / 9°	87	12.1	9.3	2.7
Aug	11° / 9°	82	12.6	10.4	2.7
Sep	12° / 10°	74	10.8	11.7	3.2
Oct	13° / 11°	83	11.3	13.1	3.6
Nov	14° / 12°	69	9.1	14.3	4.3
Dec	16° / 14°	65	9.6	14.9	5.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 49%.

	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 (%)	49	49	49	48	47	47	48	48	48	49	50	50	50	50	51	50	51	51	51	51	51	51	52	52	53	53	54	54	55	55	55
Cloudier (%)	51	51	51	52	53	53	52	52	52	51	50	50	50	50	49	50	49	49	49	49	49	49	48	48	47	47	46	46	45	45	45

	Clearer (%)	Cloudier (%)
1	49	51
2	49	51
3	49	51
4	48	52
5	47	53
6	47	53
7	48	52
8	48	52
9	48	52
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	50	50
17	51	49
18	51	49
19	51	49
20	51	49
21	51	49
22	51	49
23	52	48
24	52	48
25	53	47
26	53	47
27	54	46
28	54	46
29	55	45
30	55	45
31	55	45

Chance of precipitation in December

Any precipitation

Porirua gets around 65 mm of rain over 9.6 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 30% and peaks near 32% 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 (%)	32	32	32	32	32	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	30	30	30	29	28	28	28	27	27

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

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 64% 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 (%)	75	74	73	72	71	70	69	69	68	67	66	66	66	66	65	64	64	63	62	62	61	61	59	59	59	58	58	58	56	56	55
Comfortable (%)	24	25	26	27	28	29	30	30	31	31	32	32	32	32	33	33	33	34	35	35	36	36	37	37	37	38	38	38	39	39	40
Humid (%)	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	3	3	3	3	3	3	3	4	4	4	4	4	4	5	5	5

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	73	26	1
4	72	27	1
5	71	28	1
6	70	29	1
7	69	30	1
8	69	30	1
9	68	31	1
10	67	31	2
11	66	32	2
12	66	32	2
13	66	32	2
14	66	32	2
15	65	33	2
16	64	33	3
17	64	33	3
18	63	34	3
19	62	35	3
20	62	35	3
21	61	36	3
22	61	36	3
23	59	37	4
24	59	37	4
25	59	37	4
26	58	38	4
27	58	38	4
28	58	38	4
29	56	39	5
30	56	39	5
31	55	40	5

Wind in December

Winds average 27 km/h in December.

Across December, daily wind ranges from about 26 km/h on the calmest days to 27 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)	27	27	27	27	27	27	27	27	27	26	26	26	26	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
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	27	breezy
2	27	breezy
3	27	breezy
4	27	breezy
5	27	breezy
6	27	breezy
7	27	breezy
8	27	breezy
9	27	breezy
10	26	breezy
11	26	breezy
12	26	breezy
13	26	breezy
14	27	breezy
15	27	breezy
16	27	breezy
17	27	breezy
18	27	breezy
19	27	breezy
20	27	breezy
21	27	breezy
22	27	breezy
23	27	breezy
24	27	breezy
25	27	breezy
26	27	breezy
27	27	breezy
28	27	breezy
29	27	breezy
30	27	breezy
31	27	breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 42 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 12 minutes over December. Sunrise moves from 5:48 AM to 5:56 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)	14.7	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	14.9	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	14.9	14.9
Sunrise (AM)	5:48	5:48	5:48	5:47	5:47	5:47	5:47	5:47	5:47	5:47	5:47	5:47	5:48	5:48	5:48	5:48	5:49	5:49	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	5:53	5:54	5:55	5:55	5:56
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	14.7	5:48	8:33
2	14.8	5:48	8:34
3	14.8	5:48	8:35
4	14.8	5:47	8:36
5	14.8	5:47	8:37
6	14.8	5:47	8:37
7	14.9	5:47	8:38
8	14.9	5:47	8:39
9	14.9	5:47	8:40
10	14.9	5:47	8:41
11	14.9	5:47	8:42
12	14.9	5:47	8:42
13	14.9	5:48	8:43
14	14.9	5:48	8:44
15	14.9	5:48	8:45
16	14.9	5:48	8:45
17	15.0	5:49	8:46
18	15.0	5:49	8:46
19	15.0	5:49	8:47
20	15.0	5:50	8:48
21	15.0	5:50	8:48
22	15.0	5:51	8:49
23	15.0	5:51	8:49
24	15.0	5:52	8:49
25	15.0	5:52	8:50
26	15.0	5:53	8:50
27	15.0	5:53	8:51
28	14.9	5:54	8:51
29	14.9	5:55	8:51
30	14.9	5:55	8:51
31	14.9	5:56	8:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.94 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 7.3 kWh/m² in January across the year — December's 6.94 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)	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.9	6.9	6.9	6.9	6.9	7.0	7.0	7.0	7.1	7.1	7.1	7.2	7.2	7.3	7.3	7.4	7.4	7.5	7.5	7.6	7.6	7.6
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	6.8	Intense
2	6.8	Intense
3	6.8	Intense
4	6.8	Intense
5	6.8	Intense
6	6.8	Intense
7	6.8	Intense
8	6.8	Intense
9	6.8	Intense
10	6.9	Intense
11	6.9	Intense
12	6.9	Intense
13	6.9	Intense
14	6.9	Intense
15	7.0	Intense
16	7.0	Intense
17	7.0	Intense
18	7.1	Intense
19	7.1	Intense
20	7.1	Intense
21	7.2	Intense
22	7.2	Intense
23	7.3	Intense
24	7.3	Intense
25	7.4	Intense
26	7.4	Intense
27	7.5	Intense
28	7.5	Intense
29	7.6	Intense
30	7.6	Intense
31	7.6	Intense

Planning a trip in December

Is December a good time to visit Porirua?

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

5.0

Sightseeing

4th-best month of the year

0.5

Beach & pool

4th-best month of the year

December is a reasonable time to visit Porirua for sightseeing.

What to pack for Porirua in December

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

In December, Porirua sees daytime highs around 16°C and nights near 14°C. Pack sun protection. Worth having: a warm layer, rain gear and a windbreaker. About 10 days see rain.

sun protectiona warm layerrain geara windbreaker

Sea temperature near Porirua 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 19 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	17	16	15	14	13	12	13	13	14	15
Comfort	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool

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

UV index in Porirua 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 Porirua 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 Porirua?

Porirua sits at 41.1°S, 174.8°E, 58 m above sea level, in New Zealand. The nearest listed city is Lower Hutt, 11 km away.

Topography around Porirua

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

Within 3 km, the terrain around Porirua has significant variations in elevation — a maximum elevation change of 356 m around an average of 82 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 560 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,512 m.

The land around Porirua is covered by trees (43%), artificial surfaces (25%) and grassland (24%) within 3 km, water (40%), trees (32%) and grassland (22%) within 16 km, and water (57%) and trees (24%) within 80 km.

3 km

356 m

trees 43%

16 km

560 m

water 40%

80 km

1,512 m

water 57%

treesgrasslandcroplandartificial surfaceswater

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

December weather nearby: Lower Hutt 11 km · Upper Hutt 17 km · Wainuiomata 17 km · Wellington 18 km · Karori 19 km · Paraparaumu 28 km · Levin 66 km · Masterton 70 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 Porirua (-41.1333°, 174.85°, elevation 58 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	15	13
2	15	13
3	15	13
4	15	13
5	15	13
6	15	13
7	15	13
8	15	13
9	16	13
10	16	13
11	16	13
12	16	13
13	16	13
14	16	13
15	16	14
16	16	14
17	16	14
18	16	14
19	16	14
20	16	14
21	16	14
22	16	14
23	16	14
24	16	14
25	16	14
26	16	14
27	16	14
28	16	14
29	16	14
30	16	14
31	16	14

	Clearer (%)	Cloudier (%)
1	49	51
2	49	51
3	49	51
4	48	52
5	47	53
6	47	53
7	48	52
8	48	52
9	48	52
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	50	50
17	51	49
18	51	49
19	51	49
20	51	49
21	51	49
22	51	49
23	52	48
24	52	48
25	53	47
26	53	47
27	54	46
28	54	46
29	55	45
30	55	45
31	55	45

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

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	73	26	1
4	72	27	1
5	71	28	1
6	70	29	1
7	69	30	1
8	69	30	1
9	68	31	1
10	67	31	2
11	66	32	2
12	66	32	2
13	66	32	2
14	66	32	2
15	65	33	2
16	64	33	3
17	64	33	3
18	63	34	3
19	62	35	3
20	62	35	3
21	61	36	3
22	61	36	3
23	59	37	4
24	59	37	4
25	59	37	4
26	58	38	4
27	58	38	4
28	58	38	4
29	56	39	5
30	56	39	5
31	55	40	5

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

	Clearer (%)	Cloudier (%)
1	49	51
2	49	51
3	49	51
4	48	52
5	47	53
6	47	53
7	48	52
8	48	52
9	48	52
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	50	50
17	51	49
18	51	49
19	51	49
20	51	49
21	51	49
22	51	49
23	52	48
24	52	48
25	53	47
26	53	47
27	54	46
28	54	46
29	55	45
30	55	45
31	55	45

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

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	73	26	1
4	72	27	1
5	71	28	1
6	70	29	1
7	69	30	1
8	69	30	1
9	68	31	1
10	67	31	2
11	66	32	2
12	66	32	2
13	66	32	2
14	66	32	2
15	65	33	2
16	64	33	3
17	64	33	3
18	63	34	3
19	62	35	3
20	62	35	3
21	61	36	3
22	61	36	3
23	59	37	4
24	59	37	4
25	59	37	4
26	58	38	4
27	58	38	4
28	58	38	4
29	56	39	5
30	56	39	5
31	55	40	5

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

	Clearer (%)	Cloudier (%)
1	49	51
2	49	51
3	49	51
4	48	52
5	47	53
6	47	53
7	48	52
8	48	52
9	48	52
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	50	50
17	51	49
18	51	49
19	51	49
20	51	49
21	51	49
22	51	49
23	52	48
24	52	48
25	53	47
26	53	47
27	54	46
28	54	46
29	55	45
30	55	45
31	55	45

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

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	73	26	1
4	72	27	1
5	71	28	1
6	70	29	1
7	69	30	1
8	69	30	1
9	68	31	1
10	67	31	2
11	66	32	2
12	66	32	2
13	66	32	2
14	66	32	2
15	65	33	2
16	64	33	3
17	64	33	3
18	63	34	3
19	62	35	3
20	62	35	3
21	61	36	3
22	61	36	3
23	59	37	4
24	59	37	4
25	59	37	4
26	58	38	4
27	58	38	4
28	58	38	4
29	56	39	5
30	56	39	5
31	55	40	5