Hamilton Weather in December
During December, Hamilton experiences high daytime temperatures of 22°C (72°F) and cooler nights around 14°C (57°F). Expect quite a bit of rainfall. Around 106 mm (4.2 in) is typical.
Rainfall in Hamilton in December
Climate statistics over the past 30 years suggest around 14 days of rain, with 106 mm (4.2 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Hamilton in December
In December, Hamilton gets high temperatures, with highs of 22°C (72°F). Nights cool to around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Hamilton in December
Expect a lot of sunshine this month, with about 208 hours of sun. These sunny conditions add to the overall experience.If your ideal day consists of dry skies and pleasant temperatures, January, February, March and November typically offer the best circumstances for Hamilton.
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 December
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
46%
Precipitation
106 mm (4.2 in)
Rainy days
14 days
Humidity
80%
Sunshine
208 hours
Percentage Sunshine
Historical weather for Hamilton in December
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 December
According to our 19 years of weather records for Hamilton, the following extremes were recorded between 2006 and 2025.
- The warmest day in December was on December 25, 2021, with a maximum of 28°C (82°F).
- On December 14, 2014, Hamilton saw its coldest December day with temperatures maxing out at 16°C (61°F).
- Hamilton registered its coldest December night on December 10, 2006, with temperatures dropping to 6°C (43°F).
- The wettest December day on record brought 36 mm (1.4 in) of precipitation to Hamilton (December 15, 2011).
Best Places in New Zealand in December
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 December →
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What to Wear in Hamilton in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Hamilton in December
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.
