Hamilton Weather in May
May in Hamilton sees daytime temperatures around 18°C (64°F) and lows of 9°C (48°F) at night. With around 114 mm (4.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Hamilton in May
Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 114 mm (4.5 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Hamilton in May
Expect highs of 18°C (64°F) in Hamilton in May, with nights dropping to around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Hamilton in May
The city usually sees around 138 hours of sunlight, indicating a moderately sunny period.For Hamilton itself, January, February, March and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Hamilton's climate page.
Hamilton Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
50%
Precipitation
114 mm (4.5 in)
Rainy days
15 days
Humidity
89%
Sunshine
138 hours
Percentage Sunshine
Historical weather for Hamilton in May
Browse day-by-day weather records for Hamilton spanning 23 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hamilton historical weather extremes in May
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Hamilton.
- Hamilton recorded its highest May temperature of 23°C (73°F) on May 2, 2023.
- The coldest May day was on May 28, 2013, with a maximum of 11°C (52°F).
- Nighttime temperatures dropped to -5°C (23°F) on May 28, 2014, marking the coldest May night on record.
- The wettest day in May Hamilton was on May 12, 2017 with 65 mm (2.6 in) of precipitation.
Best Places in New Zealand in May
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in May →
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What to Wear in Hamilton in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Hamilton in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Hamilton's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hamilton climate overview or explore weather in New Zealand.
