Climate and monthly weather forecast
Chatham Islands, New Zealand

The sandstone cliffs located in the Chatham Islands in New Zealand
The sandstone cliffs located in the Chatham Islands in New Zealand

Weather in January

January, the same as December, is another comfortable summer month in Chatham Islands, New Zealand, with an average temperature fluctuating between 11.9°C (53.4°F) and 17.9°C (64.2°F). In Chatham Islands, New Zealand, the average high-temperature in January is practically the same as in December - a still comfortable 17.9°C (64.2°F). Weather in January »

Weather in February

February, the last month of the summer in Chatham Islands, is also an enjoyable month, with an average temperature fluctuating between 12.3°C (54.1°F) and 18.2°C (64.8°F). February is the warmest month, with an average high-temperature of 18.2°C (64.8°F) and an average low-temperature of 12.3°C (54.1°F). Weather in February »

Weather in March

March, the first month of the autumn in Chatham Islands, is also an enjoyable month, with temperature in the range of an average high of 17.1°C (62.8°F) and an average low of 11.5°C (52.7°F). In March, the average high-temperature is essentially the same as in February - a still comfortable 17.1°C (62.8°F). Weather in March »

Weather in April

April, the same as March, in Chatham Islands, New Zealand, is a moderate autumn month, with temperature in the range of an average high of 14.9°C (58.8°F) and an average low of 9.9°C (49.8°F). In April, the average high-temperature is almost the same as in March - a moderate 14.9°C (58.8°F). Weather in April »

Weather in May

May, the last month of the autumn in Chatham Islands, is another mild month, with an average temperature ranging between min 8.1°C (46.6°F) and max 13°C (55.4°F). In Chatham Islands, the average high-temperature in May is essentially the same as in April - a still moderate 13°C (55.4°F). Weather in May »

Weather in June

The first month of the winter, June, is still a cool month in Chatham Islands, New Zealand, with temperature in the range of an average high of 11.3°C (52.3°F) and an average low of 6.8°C (44.2°F). In Chatham Islands, the average high-temperature in June is almost the same as in May - a fresh 11.3°C (52.3°F). Weather in June »

Weather in July

July, the same as June, is a cool winter month in Chatham Islands, New Zealand, with temperature in the range of an average high of 10.5°C (50.9°F) and an average low of 5.9°C (42.6°F). July is the coldest month, with an average high-temperature of 10.5°C (50.9°F) and an average low-temperature of 5.9°C (42.6°F). Weather in July »

Weather in August

August, the last month of the winter in Chatham Islands, is another cool month, with an average temperature fluctuating between 11°C (51.8°F) and 6.2°C (43.2°F). In August, the average high-temperature is essentially the same as in July - a still cool 11°C (51.8°F). Weather in August »

Weather in September

The first month of the spring, September, is still a cool month in Chatham Islands, New Zealand, with an average temperature fluctuating between 11.9°C (53.4°F) and 6.9°C (44.4°F). In September, the average high-temperature is almost the same as in August - a still fresh 11.9°C (53.4°F). Weather in September »

Weather in October

October in Chatham Islands, New Zealand, is a mild spring month, with temperature in the range of an average high of 13.1°C (55.6°F) and an average low of 8°C (46.4°F). In Chatham Islands, the average high-temperature in October is practically the same as in September - a moderate 13.1°C (55.6°F). Weather in October »

Weather in November

The last month of the spring, November, is also a moderate month in Chatham Islands, New Zealand, with an average temperature ranging between max 14.4°C (57.9°F) and min 9.1°C (48.4°F). In November, the average high-temperature is essentially the same as in October - a still moderate 14.4°C (57.9°F). Weather in November »

Weather in December

December, the first month of the summer in Chatham Islands, is a comfortable month, with an average temperature varying between 16.4°C (61.5°F) and 10.7°C (51.3°F). In Chatham Islands, the average high-temperature in December is almost the same as in November - a comfortable 16.4°C (61.5°F). Weather in December »
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FAQ

What is the least humid month in Chatham Islands?

The least humid month in Chatham Islands, New Zealand, is January, with an average relative humidity of 82.2%.

What is the driest month in Chatham Islands?

January is the month with the least rainfall in Chatham Islands, New Zealand. Rain falls for 7.9 days and accumulates 54.9mm (2.16") of precipitation.

How many days does it rain in Chatham Islands?

In Chatham Islands, New Zealand, during the entire year, the rain falls for 140 days and collects up to 911.5mm (35.89") of precipitation.

What month has the most sunshine in Chatham Islands?

The month with the most sunshine in Chatham Islands is January, with an average of 6.2h of sunshine.

What is the month with the highest UV index in Chatham Islands?

The months with the highest UV index in Chatham Islands, New Zealand, are January and December, with an average maximum UV index of 10.

What is the warmest month in Chatham Islands?

The warmest month in Chatham Islands is February, with an average high-temperature of 18.2°C (64.8°F) and an average low-temperature of 12.3°C (54.1°F).

What is the month with the warmest sea water in Chatham Islands?

February is the month with the warmest seawater, with an average sea temperature of 17°C (62.6°F).

When is Daylight Saving Time (DST) in Chatham Islands?

On Sunday, 03. April 2022, at 3:45 am, Daylight Saving Time ends in Chatham Islands, New Zealand, and the time zone changes from +1345 to +1245. The next Daylight Saving Time starts on Sunday, 25. September 2022, at 2:45 am, and the time zone reverts from +1245 to +1345.

What is the rainiest month in Chatham Islands?

June is the month with the most rainfall in Chatham Islands, New Zealand. Rain falls for 16 days and accumulates 107.8mm (4.24") of precipitation.

What is the month with the shortest days in Chatham Islands?

With an average of 8h and 57min of daylight, June has the shortest days of the year in Chatham Islands, New Zealand.

What is the month with the least sunshine in Chatham Islands?

With an average of 2.1h of sunshine, June has the least sunshine of the year in Chatham Islands.

What is the month with the lowest UV index in Chatham Islands?

June and July, with an average maximum UV index of 1, are months with the lowest UV index in Chatham Islands.

What is the coldest month in Chatham Islands?

With an average high-temperature of 10.5°C (50.9°F) and an average low-temperature of 5.9°C (42.6°F), July is the coldest month in Chatham Islands.

What is the most humid month in Chatham Islands?

With an average relative humidity of 86.9%, July is the most humid month in Chatham Islands.

When is the sea coldest in Chatham Islands?

August and September, with an average sea temperature of 11°C (51.8°F), are months with the coldest seawater in Chatham Islands, New Zealand.

When are the longest days in Chatham Islands?

With an average of 15h and 25min of daylight, December has the longest days of the year in Chatham Islands.

Average temperature
Chatham Islands, New Zealand

Average temperature - Chatham Islands, New Zealand

The warmest month (with the highest average high temperature) is February (18.2°C).
The month with the lowest average high temperature is July (10.5°C).

The month with the highest average low temperature is February (12.3°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).

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Average humidity
Chatham Islands, New Zealand

Average humidity - Chatham Islands, New Zealand

The month with the highest relative humidity is July (86.9%).
The month with the lowest relative humidity is January (82.2%).

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Average rainfall
Chatham Islands, New Zealand

Average rainfall - Chatham Islands, New Zealand

The wettest month (with the highest rainfall) is June (107.8mm).
The driest month (with the least rainfall) is January (54.9mm).

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Average rainfall days
Chatham Islands, New Zealand

Average rainfall days - Chatham Islands, New Zealand

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (7.7 days).

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Average sea temperature
Chatham Islands, New Zealand

Average sea temperature - Chatham Islands, New Zealand

The best month for swimming (with the highest average sea temperature) is February (17°C).
The coldest months (with the lowest average sea temperature) are August and September (11°C).

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Average daylight / Average sunshine
Chatham Islands, New Zealand

Average daylight / Average sunshine - Chatham Islands, New Zealand

The month with the longest days is December (Average daylight: 15h and 25min).
The month with the shortest days is June (Average daylight: 8h and 57min).

The month with the most sunshine is January (Average sunshine: 6.2h).
The month with the least sunshine is June (Average sunshine: 2.1h).

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Average UV index
Chatham Islands, New Zealand

Average UV index - Chatham Islands, New Zealand

The months with the highest UV index are January and December (UV index 10).
The months with the lowest UV index are June and July (UV index 1).

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