New Zealand · Regional climate

Chatham Islandswhen to go

Regional slice of New Zealand with its own temperature profile. Best months here: Jan · Feb · Mar.

Range: 11–16 °C
Compare: −1.3°C vs. New Zealand mean
Country: New Zealand
TZ: Pacific/Auckland

Region match

Acceptable

Free-tier default preferences. Tune preferences on the map to reshape this score.

12-month climate · Chatham Islands

How the year moves in Chatham Islands

Ten years of ERA5, aggregated over Chatham Islands itself rather than over New Zealand as a whole — the same series the month-by-month scores below are built from.

Temperature°C

View data table

Month	Average daytime high (°C)
January	15.8
February	16.4
March	15.9
April	14.9
May	13.7
June	12.4
July	11.5
August	11.2
September	11.5
October	11.9
November	13.3
December	14.9

Rainfallmm

View data table

Month	Rainfall (mm)
January	50
February	54
March	69
April	79
May	81
June	81
July	111
August	87
September	80
October	62
November	61
December	81

Sunshinehr / day

View data table

Month	Sunshine hours (hr / day)
January	8.4
February	7.5
March	5.7
April	4.4
May	3.5
June	2.9
July	3.3
August	4.0
September	5.4
October	6.8
November	8.0
December	8.2

Month by month · Chatham Islands

Pick your window

Other regions · New Zealand

Nearby and comparable

Safety · 6 governments

What the governments say about New Zealand

Combined advisory · most-cautious-wins

Exercise normal precautions

Highest level across 6 governments · Advisory last changed 2026-10-18

See breakdown by country