Late autumn · Weather & things to do
Aoraki / Mount Cook in May
Aoraki / Mount Cook cools off: highs slip to 48°F (9°C), from 52°F in April, with lows of 40°F (5°C) and about 7.0 in (178 mm) of rain.
Our comfort score puts it mid-table at 45/100, 7th of 12.
- Avg high
- 48°F (9°C)
- Avg low
- 40°F (5°C)
- Rain
- 7.0 in (178 mm)
- Humidity
- 88%
- Cloud cover
- 61%
- Daylight
- ~9 h 28 min
- Comfort score
- 45/100 · Fair
What May feels like
It's cool, with highs near 48°F (9°C), so a proper jacket stays on most of the day.
Lows average 40°F (5°C).
Rain is a real factor, with about 7.0 in (178 mm) across the month.
Daylight is short, roughly 9 h 28 min mid-month, so start sightseeing early.
Plan around May
May sits mid-table; the best months are February & March.
- Comfort slips from 56/100 in April to 45/100.
- Our South Island Alps & Fiords route recommends Nov – Mar, so May falls outside its suggested window.
What to pack for May
- Insulated jackethighs only 48°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Aoraki / Mount Cook in May
A mixed month: these picks balance outdoor stops with indoor fallbacks.
Sealy Tarns Track
Steep 2,200-step climb to alpine tarns with views of the Hooker Valley and glaciers.
Tasman Glacier View
Short climb to a lookout over the Tasman Glacier's terminal lake and moraine.
Glacier Explorers
Boat tours among icebergs on Tasman Glacier's terminal lake.
Why now Our curated notes say it's best Sep–May.
Peter's Lookout
Roadside stop on Lake Pukaki with the classic view up the lake to Aoraki.
Sir Edmund Hillary Alpine Centre
Museum and planetarium at The Hermitage on Hillary and Aoraki climbing history.
Nearby in May
- Queenstown in May~114 mi · highs 51°F, 4.8 in rain · 2°C (3°F) warmer by day, drier
- Milford Sound in May~126 mi · highs 53°F, 7.6 in rain · 3°C (5°F) warmer by day, about as wet
- Christchurch in May~128 mi · highs 57°F, 3.1 in rain · 5°C (9°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Aoraki / Mount Cook in May: quick answers
Is May a good time to visit Aoraki / Mount Cook?
It's middling, scoring 45/100. The best months are February & March, at up to 68. Expect highs of 48°F (9°C) and 7.0 in (178 mm) of rain. Our South Island Alps & Fiords route recommends Nov – Mar, so May is outside its suggested window.
How cold is Aoraki / Mount Cook in May?
Average highs are 48°F (9°C) and average lows 40°F (5°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Aoraki / Mount Cook in May?
Yes: about 7.0 in (178 mm) of rain falls across May on average, the 3rd-wettest month of the year. The annual total is about 78.7 in (1998 mm).
What should I pack for Aoraki / Mount Cook in May?
Bring insulated jacket (highs only 48°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
More on Aoraki / Mount Cook
Planning Aoraki / Mount Cook in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.