December weather forecast
Napier, New Zealand

As the calendar turns to December, the seasonal cycle completes with the baton being passed on to summer in Napier. Heightened daylight hours perfectly complement the growing heat intensity. The noticeable climb in sea temperature draws crowds to the idyllic beaches once again. During this month, Napier's temperature ranges from 13°C (55.4°F) in the cool of night to a summery 23.2°C (73.8°F) at its zenith. Napier's December weather paints vibrant strokes of summer's arrival, beckoning travelers towards the city's captivating coastlines once again.

Temperature

As November transitions into December, the average high-temperature rests at a warm 23.2°C (73.8°F), maintaining a close resemblance to the previous month. Throughout December, Napier's nights cool down to an average of 13°C (55.4°F).

Humidity

The least humid month in Napier is December, with an average relative humidity of 67%.

Rainfall

In December, in Napier, the rain falls for 6.5 days. Throughout December, 54mm (2.13") of precipitation is accumulated. In Napier, during the entire year, the rain falls for 87.9 days and collects up to 785mm (30.91") of precipitation.

Sea temperature

In Napier, in December, the average water temperature is 17.8°C (64°F).
Note: Swimming is not a pleasurable activity for most people when the water temperature is 17.8°C (64°F). Breathing control gets harder as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the longest days of the year, with an average of 14h and 54min of daylight.
On the first day of December, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:42 pm NZDT.

Sunshine

In Napier, the average sunshine in December is 7.5h.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 11. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 11 during December morphs into the following directions:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.