Weather in Dunedin in April

Shoulder season. April is shoulder season in Dunedin — cheaper, quieter, and a genuine gamble. Highs sit at 13.8 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

April ranks 4 of 12 in Dunedin: past the worst of the year but short of February, which is the month to book if the dates are open.

Rain on 10 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 13.8 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: the day barely swings — 3.9 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest April day reached 20.3 °C and the coldest night fell to 5.9 °C, and the wettest single day dropped 61 mm — roughly 111% of the month's rain in one day.

April is moderately variable: 20 mm in the driest year against 173 mm in the wettest, around an average of 55 mm. Roughly two Aprils in three land near that average, and the third does something else entirely.

Wind sits around 18 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity runs at 82%, which at 13.8 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How April sits in the year

The month is on the way down: 1.9 °C cooler than March, with May dropping another 2 °C. The first week and the last are not the same trip.

Daylight in April

10.8 hours of daylight, losing 1.5 hours across the month. That is between Dunedin's extremes of 15.7 and 8.7 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 11.7 °C in April — too cold to swim without a wetsuit. The sea peaks at 13 °C in February and bottoms out at 8.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Busy. Popular without being frantic; book the things you care about, improvise the rest.

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

April in Dunedin versus nearby

If Dunedin is one option among several, the nearby comparison is worth making. Papatowai is close enough to be a coin toss — within a degree on temperature, 4 days more rain. Wanaka is close enough to be a coin toss — within a degree on temperature, 4 days more rain.

So: April works, with February the better month by 7 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Dunedin

See all twelve months in Dunedin, or where else to go in April.