January weather forecast
Auckland, New Zealand

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The city of Auckland, New Zealand, viewed across the water early morning
The city of Auckland, New Zealand, viewed across the water early morning

Weather in January

Auckland, New Zealand, welcomes the new year with a characteristic maritime climate. The highest temperature in January reaches about 21.9°C (71.4°F), signifying the delightful warmth of the peak summer season. Humidity remains high, and the city experiences frequent summer rainfall, all trademarks of the subtropical nature of Auckland's climate. Contrastingly, the sea temperature hovers around a comfortable 20.3°C (68.5°F). The ample daylight availability of about 14.4 hours makes it a great time to bask under the sun.

Temperature

The transition into January shows a subtle variation to a still pleasant 21.9°C (71.4°F) from December's 20.3°C (68.5°F) in the average high-temperature. The average temperature drops to a refreshing 16.7°C (62.1°F) during the night in the month of January.

Humidity

The months with the lowest humidity are January through March and November, with an average relative humidity of 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 11.1 days and typically collects 34mm (1.34") of precipitation.

Sea temperature

In January, the average sea temperature is 20.3°C (68.5°F).
Note: Most people do not find swimming enjoyable in water of 20.3°C (68.5°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

In January, the average length of the day is 14h and 22min.
On the first day of January, sunrise is at 6:04 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:33 pm NZDT.

Sunshine

In January, the average sunshine is 7.9h.

UV index

The months with the highest UV index are January through April and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in January translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What are January temperatures?

In January, in Auckland, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 16.7°C (62.1°F).

What is the least humid month?

The months with the lowest humidity in Auckland are January through March and November, with an average relative humidity of 77%.

What is the average humidity in January?

In Auckland, the average relative humidity in January is 77%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 11.1 days and accumulates 34mm (1.34") of precipitation.

How much does it rain in January?

In Auckland, in January, during 11.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

What is the sea temperature in January?

In Auckland, New Zealand, in January, the average water temperature is 20.3°C (68.5°F). For swimming, a surface water temperature of 20.3°C (68.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Auckland?

The average day length in January is 14h and 22min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 6:04 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:33 pm NZDT.

How long on average sun shines in January?

The average sunshine duration in January is 7.9h.

What are the months with the highest UV index?

The months with the highest UV index are January through April and December, with an average maximum UV index of 5.

How high is the UV index in January?

The average daily maximum UV index in January is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in January
Auckland, New Zealand

Average temperature in January - Auckland, New Zealand
  • Average high temperature in January: 21.9°C

The warmest month (with the highest average high temperature) is February (22.6°C).
The month with the lowest average high temperature is July (13.8°C).

  • Average low temperature in January: 16.7°C

The month with the highest average low temperature is February (17.5°C).
The coldest month (with the lowest average low temperature) is July (10.4°C).

Average pressure in January
Auckland, New Zealand

Average pressure in January - Auckland, New Zealand
  • Average pressure in January: 1014.8mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The months with the lowest atmospheric pressure are January and September (1014.8mbar).

Average wind speed in January
Auckland, New Zealand

Average wind speed in January - Auckland, New Zealand
  • Average wind speed in January: 15.5km/h

The windiest month (with the highest average wind speed) is September (19km/h).
The calmest month (with the lowest average wind speed) is February (13.9km/h).

Average humidity in January
Auckland, New Zealand

Average humidity in January - Auckland, New Zealand
  • Average humidity in January: 77%

The months with the highest relative humidity are August and September (79%).
The months with the lowest relative humidity are January, February, March and November (77%).

Average rainfall in January
Auckland, New Zealand

Average rainfall in January - Auckland, New Zealand
  • Average rainfall in January: 34mm

The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is January (34mm).

Average rainfall days in January
Auckland, New Zealand

Average rainfall days in January - Auckland, New Zealand
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (11.1 days).

Average sea temperature in January
Auckland, New Zealand

Average sea temperature in January - Auckland, New Zealand
  • Average sea temperature in January: 20.3°C

The best month for swimming (with the highest average sea temperature) is February (21.3°C).
The coldest month (with the lowest average sea temperature) is August (14.7°C).

Average daylight in January /
Average sunshine in January
Auckland, New Zealand

Average daylight in January / Average sunshine in January - Auckland, New Zealand
  • Average daylight in January: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).

  • Average sunshine in January: 7h and 5min

The month with the most sunshine is December (Average sunshine: 8h and 18min).
The month with the least sunshine is August (Average sunshine: 6h and 24min).

Average sunshine days in January
Auckland, New Zealand

Average sunshine days in January - Auckland, New Zealand
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.7 days).

Average UV index in January
Auckland, New Zealand

Average UV index in January - Auckland, New Zealand
  • Average UV index in January: 5

The months with the highest UV index are January, February, March, April and December (UV index 5).
The month with the lowest UV index is June (UV index 3).

Average cloud cover in January
Auckland, New Zealand

Average cloud cover in January - Auckland, New Zealand
  • Average cloud cover in January: 37

The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 37).

Average visibility in January
Auckland, New Zealand

Average visibility in January - Auckland, New Zealand
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Auckland, New Zealand

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