Weather in Palmerston North in August

New Zealand · 20-year averages, August

A hard month. August is a hard month in Palmerston North, and worth planning around. Highs sit at 12.8 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

August ranks 11 of 12 — near the bottom of Palmerston North's year. January is the month that works, and the swing between the two is 38 points, which is a different holiday rather than a slightly better one.

This is persistent light rain rather than storms: 16 wet days but only 2 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Layers, and a genuinely waterproof outer — at 12.8 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest August day reached 18 °C and the coldest night fell to 0.1 °C.

August is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest August on record still delivered 122 mm against 34 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 86 mm average is a reasonable planning figure, not a promise.

Wind is light at 12.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 90%, which at 12.8 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How August sits in the year

Temperatures hold steady either side: 11.8 °C in July, 12.8 here, 14.4 in September. Nothing about the timing within the month matters much.

Daylight in August

10.5 hours of daylight, gaining 1.1 hours across the month. That is between Palmerston North's extremes of 15 and 9.3 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 17.7 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

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

August in Palmerston North versus nearby

If Palmerston North is one option among several, the nearby comparison is worth making. Wellington is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Taupo is close enough to be a coin toss — within a degree on temperature, 2 days less rain.

So: August is a compromise. January is 34 points better and is what Palmerston North is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Palmerston North

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January23.313.5 10587514.783
February23.813.8 9627513.783
March21.912.5 10637812.481
April18.610.3 11788311.174
May15.58.8 1586889.959
June12.97 1599919.349
July11.86.1 1693919.545
August12.86.4 16869010.549
September14.47.4 14828711.857
October15.98.5 15908513.160
November18.19.9 12708214.372
December20.912.2 1482791575

See all twelve months in Palmerston North, or where else to go in August.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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