Tauranga weather in May

In May, Tauranga has daytime highs averaging 16 °C, nights around 11 °C, with 10 wet days, and a sea temperature of 18 °C. Figures are 1991–2020 climate normals.

  1. Jan 19°
  2. Feb 19°
  3. Mar 18°
  4. Apr 15°
  5. May 13°
  6. Jun 11°
  7. Jul 10°
  8. Aug 10°
  9. Sep 12°
  10. Oct 13°
  11. Nov 15°
  12. Dec 17°

Daily temperatures through May

7° 14° 20° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 17.4 °C and lows bottom out at 9.2 °C.

How May develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 May 16.9 °C 11.3 °C 31 %
11–20 May 16.1 °C 10.9 °C 31 %
21–31 May 15.1 °C 10.0 °C 36 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 22, at 50 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 0 of 31 0 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 10 of 31 33 %

Conditions in May

MeasureAverage
Mean temperature 13 °C
Record high (1991–2020) 20 °C
Record low (1991–2020) 3.2 °C
Relative humidity 82 %
Wind speed 21 km/h
Cloud cover 51 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 20.8 °C 99 mm 52 %
April 18.4 °C 122 mm 53 %
May 16.0 °C 118 mm 51 %
June 13.8 °C 135 mm 51 %
July 13.1 °C 134 mm 53 %

See all twelve months for Tauranga

QuestionsMay in Tauranga, answered

How warm is Tauranga in May?

Daily highs average 16 °C and nights fall to about 11 °C, a spread of 5.3 °C between afternoon and dawn. That makes May the 8th warmest month of the year here.

Does it rain much in Tauranga in May?

May averages 118 mm of rain, spread over about 10 of the 31 days — 33 % of the month. Cloud cover averages 51 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 18 °C off Tauranga in May. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in May?

Tauranga averages 10 hours between sunrise and sunset in May. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.