Climate of Chatham Islands, New Zealand
Area-weighted average across Chatham Islands. For where people actually live and travel, see the cities below.
Chatham Islands, a subdivision of New Zealand, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 7.4°C / 45.3°F in July to 15.2°C / 59.4°F in February, with rainfall from 63 mm / 2.5 in to 113 mm / 4.4 in depending on the season (1037 mm / 40.8 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 14.8°C58.6°F | 63 mm2.5″ | — |
| February | 15.2°C59.4°F | 64 mm2.5″ | — |
| March | 14.2°C57.6°F | 85 mm3.3″ | — |
| April | 12.3°C54.1°F | 80 mm3.1″ | — |
| May | 9.9°C49.8°F | 101 mm4″ | — |
| June | 8.3°C46.9°F | 113 mm4.4″ | — |
| July | 7.4°C45.3°F | 106 mm4.2″ | — |
| August | 8.1°C46.6°F | 98 mm3.9″ | — |
| September | 9.2°C48.6°F | 98 mm3.9″ | — |
| October | 10.5°C50.9°F | 77 mm3″ | — |
| November | 11.8°C53.2°F | 74 mm2.9″ | — |
| December | 13.5°C56.3°F | 78 mm3.1″ | — |
Frequently asked questions
What is the best time to visit Chatham Islands?
Chatham Islands, New Zealand does not have a clear sunny-and-dry window by our cutoffs. The warmest month is February at 15.2°C / 59.4°F, and the driest is January at 63 mm / 2.5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Chatham Islands?
Chatham Islands, New Zealand has area-weighted monthly average temperatures ranging from 7.4°C / 45.3°F in July to 15.2°C / 59.4°F in February. Annual rainfall averages about 1037 mm / 40.8 in, with the wettest month being June (113 mm / 4.4 in) and the driest January (63 mm / 2.5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Chatham Islands?
The hottest month in Chatham Islands is February, with an area-wide average temperature of 15.2°C / 59.4°F.
What is the coldest month in Chatham Islands?
The coldest month in Chatham Islands is July, with an area-wide average temperature of 7.4°C / 45.3°F.
When does it rain most in Chatham Islands?
The wettest month in Chatham Islands is June, averaging about 113 mm / 4.4 in of rainfall. The driest is January with about 63 mm / 2.5 in.