Best time to go to Stewart Island Average weather of Stewart Island, New Zealand

When is the best time to go to Stewart Island?

When is the best time to go to Stewart Island? Here's some information to help you in your decision:

The best months for good weather in Stewart Island are January, February, March and December
On average, the warmest months are January, February, March and December
The coldest months are July, August and September
The rainiest months are January, May, September, October and November

Annual weather in Stewart Island

For full information about the climate and weather in Stewart Island a specific month, click on the corresponding line below:

Month			Our opinion
January	52°F/65°F	7in	good weather	Stewart Island in january
February	52°F/65°F	5.4in	good weather	Stewart Island in february
March	52°F/63°F	5.3in	good weather	Stewart Island in march
April	50°F/59°F	5.3in	tolerable weather	Stewart Island in april
May	47°F/54°F	6in	bad weather	Stewart Island in may
June	45°F/50°F	4.4in	bad weather	Stewart Island in june
July	43°F/50°F	5in	bad weather	Stewart Island in july
August	43°F/52°F	4.2in	bad weather	Stewart Island in august
September	43°F/54°F	5.9in	bad weather	Stewart Island in september
October	45°F/58°F	6.6in	tolerable weather	Stewart Island in october
November	49°F/59°F	6.4in	tolerable weather	Stewart Island in november
December	52°F/63°F	5.4in	good weather	Stewart Island in december

Weather and climate in Stewart Island

Stewart Island enjoys a temperate oceanic climate (with warm summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Stewart Island is 58°F (ranging from 50°F in july to 65°F in february). Annual rainfall is 66.6in, with a minimum of 4.2in in august and a maximum of 7in in january.

In the month of january the climate is okay. By early evening, the temperature averages 61°F and it rains about 33% of the time in january.
Between the months of february and march the climate is beautiful. It is for example 63°F as maximum temperature in march and it rains about 26% of the time in march.
In the month of april the climate is just OK. By early evening, the temperature averages 54°F and it rains about 5.3in each month.
Between the months of may and september the climate is not good. By early evening, the temperature averages 50°F and it rains about 35% of the time in september.
Between the months of october and november the climate is not good, but still OK. By early evening, the temperature averages 56°F and it rains in november about 6.4in.
In december the climate is beautiful. By early evening, the temperature averages 59°F.

Charts: temperature and rainfall in Stewart Island

In the charts below, you can see the following seasonal norms for the city of Stewart Island: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

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