BestDateWeather
✈️ Plan my tripPlan trip
New Zealand, New Zealand · Temperate oceanic

New Zealand: best months to visit

January (7.8/10) · August (4.1/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 41.29°S · 174.78°E
⚡ Quick answer
January
Depends on your goals
7.8/10
☀️ Jan
Top score (7.8/10)
🌤️ Feb
Alt. (7.7/10)
Aug
Plus rude (4.1/10)
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo par Aaron Birch via Unsplash
Decide

When to visit New Zealand?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In New Zealand, January and February clearly stand out. August concentrates the least favourable conditions.
Top & avoid
🏆 January · 7.8 February · 7.7 March · 7.4 December · 7.4 ⚠️ August · 4.1
7.8
Jan
7.7
Feb
7.4
Mar
4.5
Apr
4.3
May
4.1
Jun
4.1
Jul
4.1
Aug
4.2
Sep
4.4
Oct
7.2
Nov
7.4
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

New Zealand offers 5 comfortable months, without any month really to avoid. The gap stays moderate: 7.8 in January vs 4.1 in August.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 5 comfortable months (Jan · Feb · Mar · Nov · Dec)
MonthT° minT° maxRain %mm/daySunScoreVerdict
☀️ January →15°C20°C22%1.5mm8.4h7.8/10Best period
☀️ February →16°C20°C23%2.8mm7.8h7.7/10Best period
⛅ March →14°C19°C25%2.3mm6.7h7.4/10Best period
🌥️ April →13°C17°C32%3.3mm5.9h4.5/10Decent period
🌥️ May →11°C15°C42%3.3mm5.0h4.3/10Decent period
🌥️ June →10°C13°C48%3.6mm4.3h4.1/10Decent period
🌥️ July →9°C12°C49%3.7mm4.5h4.1/10Decent period
🌥️ August →9°C12°C47%3.2mm5.2h4.1/10Decent period
🌥️ September →10°C14°C42%2.9mm6.0h4.2/10Decent period
🌥️ October →11°C15°C37%2.5mm6.6h4.4/10Decent period
⛅ November →13°C17°C31%2.8mm7.4h7.2/10Best period
⛅ December →14°C18°C29%2.7mm7.7h7.4/10Best period
📊 Quick read
Optimal window
Jan → Mar
Good transition
Apr · Oct
Tough period
none
🌡️ Detailed conditions (January)
🌡️ Feel
Comfortable
☀️ UV
8.2 · Very strong
💧 Humidity feel
14°C · Pleasant
☔ Rain
22% · 1.5 mm/day
🌅 Sunshine
8.4h/day
Week by week

New Zealand week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Jan 22 to Jan 28, mostly dry in 10 years out of 10 (1.6 rainy day(s) on average).

Most exposed: Jun 18 to Jun 24, mostly dry in 0 years out of 10 (3.6 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
JanJan 15/1019°CJan 88/1019°CJan 158/1020°CJan 2210/1021°CJan 298/1020°C
FebFeb 59/1020°CFeb 127/1020°CFeb 197/1020°CFeb 268/1020°C
MarMar 58/1019°CMar 128/1018°CMar 195/1018°CMar 264/1018°C
AprApr 26/1017°CApr 94/1017°CApr 167/1017°CApr 238/1016°CApr 304/1016°C
MayMay 76/1016°CMay 144/1015°CMay 215/1014°CMay 284/1014°C
JunJun 44/1013°CJun 112/1014°CJun 180/1013°CJun 252/1013°C
JulJul 23/1012°CJul 93/1012°CJul 161/1013°CJul 236/1012°CJul 303/1012°C
AugAug 61/1012°CAug 134/1012°CAug 203/1013°CAug 276/1013°C
SepSep 31/1013°CSep 104/1013°CSep 175/1014°CSep 242/1014°C
OctOct 15/1014°COct 84/1014°COct 158/1015°COct 226/1016°COct 294/1016°C
NovNov 57/1016°CNov 126/1017°CNov 197/1017°CNov 266/1018°C
DecDec 38/1018°CDec 107/1019°CDec 174/1018°CDec 247/1018°C

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — New Zealand

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min10°12°14°16°18°201620172018201920202021202220232024202516.1° — decade peak (2018)+0.05°C / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · New Zealand

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · New Zealand

🗣️LanguageEnglish
💶CurrencyNew Zealand Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 20°C
❄️Coolest monthJuly · 12°C
🌧️Rainiest month ⓘJuly · 49%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is New Zealand ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Temperate oceanic climate with a 7.8 → 4.1 gap between best and worst month. 10 years of ERA5 data to choose by project.
41.29°S · 174.78°E
Questions

Frequently asked questions

What is the best time to visit New Zealand?
January is the best month with 20.0°C highs, 15.0°C lows, 8.4h of sunshine and 22.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does New Zealand get in January?
New Zealand averages 8.4 sunshine hours per day in January. It is the sunniest month with a climate score of 7.3/10.
What is the rainiest month in New Zealand?
June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in New Zealand in January?
In January, overnight lows reach 15.0°C, while afternoon highs average 20.0°C.
Is New Zealand good in winter?
In winter (December-February), New Zealand scores 7.2/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 7.3/10.
When should you avoid New Zealand?
June is the most difficult month to visit New Zealand, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.