Christchurch weather in January

In January, Christchurch sees average daytime highs of 19°C and overnight lows near 14°C, with 49 mm of rain across 8.1 wet days and about 14.9 hours of daylight. It is the 2nd-warmest and 5th-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 29% of the time in January, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of January to 14 h 24 min by month's end. Set against the rest of the year, January is Christchurch's 10th-clearest and 2nd-windiest month. For the whole year in context, see Christchurch's year-round climate.

Daytime high
19°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
49 mm
8.1 wet days
Daylight
14 h 54 min
6:12 AM – 9:06 PM
Cloud cover
59%
10th clearest
Wind
17 km/h
2nd windiest
Solar energy
6.97 kWh/m²
Travel score
6.3
out of 10

Christchurch is largest city in the South Island of New Zealand.

Air quality
Moderate
PM2.5 10.2 µg/m³ · 2012
Density
1,420/km²
people per km²
Founded
1848

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Christchurch reaches about 19°C in the afternoon and slips back to 14°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 23°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11813
21813
31813
41813
51813
61813
71813
81913
91913
101914
111914
121914
131914
141914
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251914
261914
271914
281914
291914
301914
311914

Christchurch weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°498.114.96.3
Feb19° / 14°396.613.86.5
Mar17° / 13°456.812.46.1
Apr15° / 10°528.810.84.8
May13° / 488.29.53.8
Jun11° / 588.98.82.6
Jul10° / 528.49.12.2
Aug10° / 488.810.22.5
Sep12° / 438.111.73.3
Oct14° / 489.413.24.1
Nov16° / 10°49914.54.9
Dec17° / 12°539.415.25.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54753
64654
74654
84654
94555
104654
114654
124654
134654
144654
154753
164753
174753
184753
194753
204753
214753
224852
234852
244852
254852
264852
274753
284852
294852
304852
314951

Chance of precipitation in January

Any precipitation

Christchurch gets around 49 mm of rain over 8.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
430
530
630
730
830
930
1030
1130
1229
1329
1428
1528
1627
1727
1826
1926
2025
2125
2224
2324
2423
2523
2623
2723
2823
2922
3022
3122

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179201
278211
378211
477221
577221
677221
775232
875232
975232
1075232
1175232
1274242
1373243
1472253
1572253
1671263
1771263
1869274
1969274
2068284
2167285
2266295
2365296
2465296
2564306
2663307
2763307
2863307
2963298
3063298
3163298

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 15 h 12 min at the start of January to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over January. Sunrise moves from 5:57 AM to 6:30 AM, and sunset from 9:08 PM to 8:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.25:579:08
215.25:589:08
315.25:599:08
415.16:009:08
515.16:009:08
615.16:019:08
715.16:029:08
815.16:039:08
915.16:049:08
1015.06:059:08
1115.06:069:07
1215.06:079:07
1315.06:089:07
1415.06:109:07
1514.96:119:06
1614.96:129:06
1714.96:139:05
1814.86:149:05
1914.86:159:04
2014.86:169:04
2114.86:189:03
2214.76:199:02
2314.76:209:02
2414.76:219:01
2514.66:239:00
2614.66:249:00
2714.66:258:59
2814.56:278:58
2914.56:288:57
3014.46:298:56
3114.46:308:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.97 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 6.97 kWh/m² in January across the year — January's 6.97 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.3Intense
57.3Intense
67.2Intense
77.1Intense
87.1Intense
97.0Intense
107.0Intense
116.9Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in January

Is January a good time to visit Christchurch?

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

6.3
Sightseeing
2nd-best month of the year
2.5
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Christchurch for sightseeing.

What to pack for Christchurch in January

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

In January, Christchurch sees daytime highs around 19°C and nights near 14°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Christchurch in January

The nearest coast averages about 17°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in February at about 17°C and coldest in August near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar16Cool
Apr14Bracing
May13Bracing
Jun11Bracing
Jul10Bracing
Aug9Bracing
Sep10Bracing
Oct12Bracing
Nov14Bracing
Dec15Cool

UV index in Christchurch in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Christchurch peaks around January 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highJan 15UV 11Jun 17UV 1
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct6High
Nov8Very high
Dec10Very high

Air quality in Christchurch in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Christchurch is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (May, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Christchurch's WHO annual average of 10.2 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodFeb 1816 µg/m³May 197 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb17Moderate
Mar14Moderate
Apr8Good
May7Good
Jun7Good
Jul9Good
Aug10Good
Sep11Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Christchurch?

Christchurch sits at 43.5°S, 172.6°E, 14 m above sea level, in New Zealand. The nearest listed city is Rolleston, 21 km away.

TimaruKaikouraTekapoFranz JosefRichmond

Topography around Christchurch

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

Within 3 km, the terrain around Christchurch has only modest variations in elevation — a maximum elevation change of 26 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 547 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,955 m.

The land around Christchurch is covered by artificial surfaces (74%) within 3 km, grassland (33%) and water (22%) within 16 km, and water (43%) and grassland (34%) within 80 km.

3 km
26 m
16 km
547 m
80 km
1,955 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Rolleston 21 km · Rangiora 26 km · Ashburton 83 km · Timaru 146 km · Kaikoura 151 km · Tekapo 181 km · Franz Josef 198 km · Richmond 249 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 Christchurch (-43.5333°, 172.6333°, elevation 14 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).