Weather in Wanaka in March
New Zealand · 20-year averages, March
A good month. March is a solid month to be in Wanaka. Highs average 18.9 °C, lows 9 °C, and rain falls on 14 days — nothing in the month is working against you.
March ranks 3 of 12 in Wanaka. Only February scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain on 14 days, 3 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 March reaches 30 °C. Across the twenty years measured, the hottest March day reached 26.3 °C and the coldest night fell to 1 °C, and the wettest single day dropped 43 mm — roughly 41% of the month's rain in one day.
March is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest March on record still delivered 148 mm against 45 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 104 mm average is a reasonable planning figure, not a promise.
Wind is light at 8.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, high enough to notice on the warm days without dominating them.
How March sits in the year
The month is on the way down: 1.9 °C cooler than February, with April dropping another 3.7 °C. The first week and the last are not the same trip.
Daylight in March
12.5 hours of daylight, losing 1.6 hours across the month. That is between Wanaka's extremes of 15.5 and 8.8 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 16.8 °C in March — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. This is the warmest the water gets all year.
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.
March in Wanaka versus nearby
If Wanaka is one option among several, the nearby comparison is worth making. Queenstown is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Te Anau is the weaker option in March — 2.4 °C cooler, 4 days more rain.
So: March 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 Wanaka
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 20.7 | 10.2 | 15 | 134 | 77 | 15.2 | 16.4 | 70 |
| February | 20.8 | 10.4 | 12 | 101 | 78 | 13.9 | 17.1 | 77 |
| March | 18.9 | 9 | 14 | 104 | 82 | 12.5 | 16.8 | 70 |
| April | 15.2 | 6.8 | 14 | 101 | 86 | 10.9 | 16 | 58 |
| May | 11.3 | 4.7 | 17 | 124 | 92 | 9.6 | 14.9 | 39 |
| June | 8.1 | 2.4 | 15 | 115 | 94 | 8.8 | 13.7 | 32 |
| July | 7.4 | 1.7 | 15 | 105 | 94 | 9.1 | 13 | 31 |
| August | 9.4 | 2.9 | 17 | 101 | 91 | 10.2 | 12.6 | 35 |
| September | 12 | 3.8 | 17 | 121 | 86 | 11.7 | 12.6 | 42 |
| October | 14.1 | 4.9 | 17 | 123 | 83 | 13.3 | 12.8 | 48 |
| November | 16.8 | 6.9 | 16 | 117 | 80 | 14.7 | 13.7 | 59 |
| December | 19.2 | 9.2 | 16 | 136 | 78 | 15.5 | 15.2 | 66 |
See all twelve months in Wanaka, or where else to go in March.
Planning the rest of the trip
- Where to eat & stay in Wanaka every café, restaurant and hotel
- Flight time to Wanaka how long you are actually in the air
- Wanaka time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Wanaka keep training while you are there