Weihai weather in August

In August, Weihai has daytime highs averaging 27 °C, nights around 23 °C, with 9.3 wet days, and a sea temperature of 24 °C. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar
  4. Apr 10°
  5. May 16°
  6. Jun 21°
  7. Jul 24°
  8. Aug 25°
  9. Sep 22°
  10. Oct 16°
  11. Nov
  12. Dec

Daily temperatures through August

19°25°31°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 28.1 °C and lows bottom out at 21.9 °C.

How August 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 August27.7 °C24.1 °C36 %
11–20 August27.2 °C23.8 °C28 %
21–31 August25.9 °C22.4 °C26 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 5, at 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 26 of 31 83 %
Days above 30 °C 2.6 of 31 8 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 9.3 of 31 30 %

Conditions in August

MeasureAverage
Mean temperature 25 °C
Record high (1991–2020) 34 °C
Record low (1991–2020) 17 °C
Relative humidity 84 %
Wind speed 22 km/h
Cloud cover 55 %

Where Weihai ranks in August

RankingPositionValue
Best beach destinations in Asia in August40thof 5086/100

August compared with the months around it

Month Avg high Rainfall Cloud
June 23.6 °C 70 mm 56 %
July 26.6 °C 155 mm 61 %
August 26.9 °C 136 mm 55 %
September 23.6 °C 58 mm 47 %
October 18.1 °C 36 mm 43 %

See all twelve months for Weihai

Nearby destinations in August

Destination Avg high Wet days Sea
Weihai 27 °C 9.3 24
Yantai 28 °C 11 24
Laixi 29 °C 13
Dalian 27 °C 9 24
Laizhou 29 °C 11 27
Pingdu 29 °C 13
Qingdao 27 °C 12 26
Wafangdian 28 °C 12
Gaomi 30 °C 13

QuestionsAugust in Weihai, answered

How warm is Weihai in August?

Daily highs average 27 °C and nights fall to about 23 °C, a spread of 3.6 °C between afternoon and dawn. That makes August the 1st warmest month of the year here.

Does it rain much in Weihai in August?

August averages 136 mm of rain, spread over about 9 of the 31 days — 30 % of the month. Cloud cover averages 55 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 24 °C off Weihai in August. 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 August?

Weihai averages 14 hours between sunrise and sunset in August. 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.