May weather forecast
New Plymouth, New Zealand

In May, the chills of winter begin to crawl into New Plymouth, with temperatures dropping to an average of 16°C (60.8°F), marking a significant difference from the warm climes of the previous month. Nights become colder and the city starts to experience an amplified number of rainy days. Days shorten further while the monthly rainfall tally rises slightly. The cooling sea temperature brings a halt to water activities. With winter on the horizon, May serves as a bridge between autumn and the impending cold.

Temperature

The arrival of May in New Plymouth marks a slight shift to an average high-temperature of a still comfortable 16°C (60.8°F) from April's 18.6°C (65.5°F). New Plymouth reports an average low-temperature of 8.5°C (47.3°F) during the nights of May.

Humidity

In May, the average relative humidity in New Plymouth, New Zealand, is 85.4%.

Rainfall

In New Plymouth, in May, it is raining for 12.3 days, with typically 97mm (3.82") of accumulated precipitation. Throughout the year, in New Plymouth, there are 134.8 rainfall days, and 1386mm (54.57") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature in New Plymouth is 17°C (62.6°F).
Note: When the surface water temperature is 17°C (62.6°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).

Daylight

In New Plymouth, the average length of the day in May is 10h and 1min.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:34 pm. On the last day of May, sunrise is at 7:32 am and sunset at 5:09 pm NZST.

Sunshine

In New Plymouth, the average sunshine in May is 4.6h.

UV index

The months with the lowest UV index are May through July, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 2 suggests these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.