Weather in Auckland in January

Prime time. January is about as good as Auckland gets. Highs average 23.2 °C, lows 16.8 °C, and rain falls on 8 days — nothing in the month is working against you.

January is the highest-scoring month of the twelve. The nearest rival is February, and the month at the other end of the year is July.

Rain on 8 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average January reaches 30 °C. Across the twenty years measured, the hottest January day reached 28 °C and the coldest night fell to 11.2 °C, and the wettest single day dropped 61 mm — roughly 105% of the month's rain in one day.

January is moderately variable: 9 mm in the driest year against 155 mm in the wettest, around an average of 58 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 15.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How January sits in the year

Temperatures hold steady either side: 21.3 °C in December, 23.2 here, 23.7 in February. Nothing about the timing within the month matters much.

Daylight in January

January is at or near the longest days of Auckland's year: 14.4 hours of daylight, losing 0.6 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 19.9 °C in January — swimmable, but it takes a moment to commit. This is the warmest the water gets all year.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Auckland versus nearby

If Auckland is one option among several, the nearby comparison is worth making. Tauranga is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Paihia is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: January is the answer for Auckland. If it is booked out or priced out, February is the next best thing at 1 points behind, and July is the month to keep off the shortlist.

Every month in Auckland

See all twelve months in Auckland, or where else to go in January.