Oreti Beach — Water Temperature in May

Water Temperature Range

11°C

minimum

13°C

average

15°C

maximum

Water Temperature Chart for May

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

	2025	2024	2023	2022
MAY 1	13°C	14°C	14°C	13°C
MAY 2	14°C	14°C	14°C	13°C
MAY 3	14°C	14°C	14°C	13°C
MAY 4	13°C	14°C	14°C	13°C
MAY 5	14°C	14°C	14°C	13°C
MAY 6	14°C	14°C	14°C	13°C
MAY 7	13°C	14°C	14°C	13°C
MAY 8	14°C	13°C	14°C	13°C
MAY 9	13°C	13°C	14°C	13°C
MAY 10	13°C	14°C	14°C	13°C
MAY 11	13°C	14°C	14°C	13°C
MAY 12	14°C	13°C	14°C	13°C
MAY 13	13°C	13°C	14°C	13°C
MAY 14	13°C	13°C	14°C	13°C
MAY 15	13°C	13°C	14°C	13°C
MAY 16	13°C	13°C	14°C	12°C
MAY 17	13°C	13°C	14°C	13°C
MAY 18	13°C	13°C	13°C	13°C
MAY 19	13°C	14°C	14°C	13°C
MAY 20	13°C	13°C	13°C	13°C
MAY 21	13°C	13°C	13°C	13°C
MAY 22	13°C	13°C	13°C	13°C
MAY 23	13°C	13°C	13°C	12°C
MAY 24	13°C	13°C	13°C	13°C
MAY 25	13°C	13°C	13°C	13°C
MAY 26	13°C	12°C	13°C	12°C
MAY 27	13°C	13°C	13°C	12°C
MAY 28	13°C	13°C	13°C	12°C
MAY 29	13°C	13°C	13°C	13°C
MAY 30	13°C	13°C	12°C	13°C
MAY 31	13°C	13°C	13°C	12°C

Climate and Swimming Opportunities in Oreti Beach in May

Average Day Air Temperature

13°C

Average Night Air Temperature

2°C

Precipitation Amount per Month

89 mm

Number of Rainy Days

Daylight per Day

9 hrs

Sunshine per Day

3 hrs

Average Wind Speed

11 km/h

Average Humidity

80%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.