Qionghai weather in May

In May, Qionghai has daytime highs averaging 30 °C, nights around 26 °C, with 17 wet days, and a sea temperature of 27 °C. Figures are 1991–2020 climate normals.

  1. Jan 20°
  2. Feb 21°
  3. Mar 23°
  4. Apr 26°
  5. May 28°
  6. Jun 29°
  7. Jul 28°
  8. Aug 28°
  9. Sep 27°
  10. Oct 25°
  11. Nov 23°
  12. Dec 20°

Daily temperatures through May

22° 28° 34° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 31.1 °C and lows bottom out at 24.9 °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 30.1 °C 25.4 °C 46 %
11–20 May 30.4 °C 25.7 °C 47 %
21–31 May 30.7 °C 26.0 °C 68 %
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 73 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 18 of 31 59 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 17 of 31 54 %

Conditions in May

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 20 °C
Relative humidity 84 %
Wind speed 18 km/h
Cloud cover 71 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 25.9 °C 44 mm 62 %
April 28.5 °C 73 mm 59 %
May 30.4 °C 152 mm 71 %
June 31.1 °C 148 mm 81 %
July 31.0 °C 185 mm 74 %

See all twelve months for Qionghai

QuestionsMay in Qionghai, answered

How warm is Qionghai in May?

Daily highs average 30 °C and nights fall to about 26 °C, a spread of 4.7 °C between afternoon and dawn. That makes May the 4th warmest month of the year here.

Does it rain much in Qionghai in May?

May averages 152 mm of rain, spread over about 17 of the 31 days — 54 % of the month. Cloud cover averages 71 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 27 °C off Qionghai 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?

Qionghai averages 13 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.