SummerDec–Feb
- January is the driest month, February the warmest
- Explorer bus runs every day
- Highs above 22°C in every month of the season
December to March is the best time for a Waiheke wine tour: average highs of 22–25°C and the island’s driest month, January. The main cellar doors open every day all year, so a winter tour still works, with cooler days and about twice the rain.
Updated Oct 2026 · climate: NIWA normals 1991–2020 · timetables checked Oct 2026

Average daily high, °C, by monthBest stretch: Dec–Mar
The best time for a Waiheke wine tour is December to March, when average highs are 22–25°C and rain is lowest, with January the driest month at about 67 mm. July is the wettest and coolest at about 154 mm and 15°C. Mudbrick, Stonyridge and Cable Bay open every day all year, so any month works.
Source: NIWA climate normals 1991–2020 (via Wikipedia); GetYourGuide listings 105619, 253627; Fullers360 fares; cellar door websites, Oct 2026
The best time for a Waiheke wine tour is December to March, the island’s warmest months. Average highs sit between 22 and 25°C, and January is the driest month at about 67 mm of rain. July is the wettest and coolest, at about 154 mm and 15°C. The big cellar doors stay open every day all year, so a winter tour still works, just cooler and wetter.
Source: NIWA climate normals 1991–2020, Awaroa Valley station on Waiheke (via Wikipedia), Oct 2026 · opening hours: mudbrick.co.nz, waihekewine.co.nz, cablebay.nz, newzealand.com (Batch) · bus days: GetYourGuide listing 105619, Oct 2026
Summer is the best season for a Waiheke wine tour, autumn the next best, and winter the quiet option. Summer brings the driest and warmest weeks and the bus every day. Autumn starts just as warm in March but gets wetter each month. Spring warms from about 17 to 20°C and dries out towards November. Winter is the wettest, but the main cellar doors stay open.
SummerDec–Feb
AutumnMar–May
WinterJun–Aug
“Quieter, easier to get around”Fullers360 blog, an author’s view, not a measured figure
SpringSep–Nov
Source: NIWA climate normals 1991–2020 (via Wikipedia), Oct 2026 · bus days: GetYourGuide listing 105619 · winter quote: Fullers360 blog, Oct 2026
Morning is the best time of day for a first Waiheke wine tour, because many tours leave on the 9:00 or 10:00 ferry and fit four wineries into the day. Afternoon tours suit a long seafront lunch and the cheaper off-peak ferry. Evening tours add food and wine at golden hour, and boats home run until 00:30 on weekdays and Saturdays, 23:00 on Sundays.

A tour for this slot
Luxury Afternoon Seafront Wine + Dine3 wineries, gourmet lunch with a glass · 5 h
Source: GetYourGuide listings 388036, 1013745, 1147213, 253627; Fullers360 Waiheke ferry fares, Oct 2026
Wednesday to Saturday is the best stretch of the week for a Waiheke wine tour outside summer, because every service runs and ferries keep full hours. From April to November the Explorer bus skips Monday and Tuesday. Sundays and public holidays have later first boats and earlier last ones, and Mudbrick adds a surcharge on public holidays.
Explorer bus off from April to November; guided tours still listed by date
Stonyridge runs its vineyard tour at 11:30, NZ$10 with two tastings
Ferries from Auckland 7:00–22:15, last boat from Waiheke 23:00
Surcharge on Mudbrick tastings; no Explorer bus on Christmas Day, ANZAC Day, Good Friday, Easter Sunday
Source: GetYourGuide listings 105619, 253627; mudbrick.co.nz; waihekewine.co.nz (Stonyridge), Oct 2026
Rain does not have to stop a Waiheke wine tour: most of the day is spent in tasting rooms, restaurants and the van. You lose the sea views and the beach rather than the day. In the wetter months from May to August, a tour with lunch booked indoors and a waterproof layer make the day easier than a hop-on hop-off plan.
Sailings leave every 30 to 60 minutes, so check the boat on the day. The Wineries’ Tour allows free cancellation up to 24 hours before, if the forecast puts you off. A guest who toured in heavy September rain still rated the day five stars and praised the beachside lunch. A bus day is harder in rain: you wait at stops between 80-minute loops, and the beach part of the plan disappears.

Summer highs average 24–25°C in January and February, and much of a tour day is spent outdoors on vineyard terraces and at beach restaurants. Bring a hat, sunscreen and water, and eat before the first tasting: one guest on the Wineries’ Tour wished for bread or crackers between pours. Evening tours such as the Epic Sundowner avoid the hottest hours of the day.
Source: GetYourGuide listings 388036, 253627, 105619; NIWA climate normals 1991–2020 (via Wikipedia); guest reviews, Oct 2026
Yes, if you accept cooler, wetter days. Average highs drop to 15–16°C and July brings about 154 mm of rain, but Mudbrick, Stonyridge and Cable Bay keep their cellar doors open every day. A Fullers360 blog author found the island quieter and easier to get around in winter, an impression rather than a count. Tours with lunch.
The data we have does not settle it. A Fullers360 blog author puts Waiheke at about 2°C warmer than Auckland, a personal estimate rather than a measured figure, and we hold no Auckland normals to compare. The NIWA normals for the island itself show February highs of 25.0°C and July highs of 15.2°C. Month by month.
Check each tour’s calendar, because dates are set by the operator. What we know: the Explorer bus does not run on Christmas Day, ANZAC Day, Good Friday or Easter Sunday, ferries follow the shorter Sunday and holiday timetable, and Mudbrick adds a public holiday surcharge to tastings. See tour dates.
The sailing your tour names: 9:00 for Sip and Savor and the Explorer bus, 10:00 for the Wineries’ Tour. Ferries leave every 30–60 minutes from 6:00 on weekdays, so an earlier boat is easy if you want coffee in Oneroa first. Afternoon tours can use the off-peak fare for boats from 13:00. Ferry guide.
Less so than in summer. Winter evenings are the coolest part of the island’s coolest months, with July highs around 15°C, and a sunset tour loses its main view on a wet night. Return boats still run late, until 00:30 on weekdays and Saturdays. In summer the evenings are warmer, with January and February highs of 24–25°C. Evening tours.
Not on the tour listings we track: we have no seasonal price data for them, so check the price for your date. The ferry is different: the off-peak return costs NZ$48.50 against NZ$65 for boats leaving Auckland from 13:00, so an afternoon start saves money. Price guide.
For the warmest, driest day, book a Waiheke wine tour between December and March and take a morning departure: the Wineries’ Tour from NZ$185 plus the NZ$65 ferry. Outside summer, pick a Wednesday to Saturday and a tour with lunch booked indoors, so the weather matters less.
Cancellation terms are shown on each tour before you pay.