Yantai weather in May

In May, Yantai has daytime highs averaging 22 °C, nights around 14 °C, with 6.4 wet days, and a sea temperature of 13 °C. Figures are 1991–2020 climate normals.

  1. Jan -1°
  2. Feb
  3. Mar
  4. Apr 12°
  5. May 18°
  6. Jun 22°
  7. Jul 25°
  8. Aug 25°
  9. Sep 21°
  10. Oct 15°
  11. Nov
  12. Dec

Daily temperatures through May

19°29°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 26.1 °C and lows bottom out at 11.7 °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.

DaysAvg highAvg lowChance of rain
1–10 May20.5 °C12.1 °C24 %
11–20 May22.0 °C13.8 °C20 %
21–31 May24.5 °C15.9 °C18 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 10, at 33 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 9.0 of 31 29 %
Days above 30 °C 1.2 of 31 4 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 6.4 of 31 21 %

Conditions in May

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 38 °C
Record low (1991–2020) 5.1 °C
Relative humidity 65 %
Wind speed 20 km/h
Cloud cover 50 %

Where Yantai ranks in May

RankingPositionValue
Places with the best weather in Asia in May18thof 5094/100

May compared with the months around it

Month Avg high Rainfall Cloud
March 9.5 °C 20 mm 44 %
April 16.5 °C 35 mm 46 %
May 22.4 °C 59 mm 50 %
June 26.7 °C 73 mm 57 %
July 28.7 °C 171 mm 62 %

See all twelve months for Yantai

Nearby destinations in May

Destination Avg high Wet days Sea
Yantai 22 °C 6.4 13
Weihai 19 °C 6 13
Laixi 25 °C 7
Laizhou 24 °C 6 15
Pingdu 25 °C 7
Dalian 17 °C 7 12
Qingdao 18 °C 7 14
Gaomi 26 °C 7
Weifang 26 °C 7

QuestionsMay in Yantai, answered

How warm is Yantai in May?

Daily highs average 22 °C and nights fall to about 14 °C, a spread of 8.4 °C between afternoon and dawn. That makes May the 5th warmest month of the year here.

Does it rain much in Yantai in May?

May averages 59 mm of rain, spread over about 6 of the 31 days — 21 % of the month. Cloud cover averages 50 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 13 °C off Yantai 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?

Yantai averages 14 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.