Central Coast weather in May

In May, Central Coast has daytime highs averaging 19 °C, nights around 14 °C, with 8.7 wet days, and a sea temperature of 21 °C. Figures are 1991–2020 climate normals.

  1. Jan 23°
  2. Feb 22°
  3. Mar 21°
  4. Apr 19°
  5. May 16°
  6. Jun 14°
  7. Jul 13°
  8. Aug 14°
  9. Sep 16°
  10. Oct 18°
  11. Nov 19°
  12. Dec 21°

Daily temperatures through May

10° 17° 23° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 20.5 °C and lows bottom out at 12.1 °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 19.8 °C 14.4 °C 27 %
11–20 May 18.7 °C 13.6 °C 29 %
21–31 May 18.1 °C 12.8 °C 29 %
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 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 0.1 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 8.7 of 31 28 %

Conditions in May

MeasureAverage
Mean temperature 16 °C
Record high (1991–2020) 27 °C
Record low (1991–2020) 5.7 °C
Relative humidity 74 %
Wind speed 18 km/h
Cloud cover 44 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 23.8 °C 90 mm 50 %
April 21.6 °C 76 mm 46 %
May 18.8 °C 68 mm 44 %
June 16.6 °C 84 mm 45 %
July 16.1 °C 48 mm 37 %

See all twelve months for Central Coast

QuestionsMay in Central Coast, answered

How warm is Central Coast in May?

Daily highs average 19 °C and nights fall to about 14 °C, a spread of 5.3 °C between afternoon and dawn. That makes May the 9th warmest month of the year here.

Does it rain much in Central Coast in May?

May averages 68 mm of rain, spread over about 9 of the 31 days — 28 % of the month. Cloud cover averages 44 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 21 °C off Central Coast 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?

Central Coast 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.