Mersin weather in August

In August, Mersin has daytime highs averaging 31 °C, nights around 23 °C, with 0.5 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar 12°
  4. Apr 16°
  5. May 20°
  6. Jun 24°
  7. Jul 27°
  8. Aug 27°
  9. Sep 25°
  10. Oct 21°
  11. Nov 15°
  12. Dec 10°

Daily temperatures through August

20° 27° 34° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 31.7 °C and lows bottom out at 22.5 °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.

Days Avg high Avg low Chance of rain
1–10 August 31.4 °C 23.5 °C 1 %
11–20 August 31.4 °C 23.4 °C 2 %
21–31 August 31.2 °C 22.8 °C 2 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 5, at 10 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 25 of 31 80 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 0.5 of 31 2 %

Conditions in August

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 38 °C
Record low (1991–2020) 18 °C
Relative humidity 72 %
Wind speed 18 km/h
Cloud cover 17 %

Where Mersin ranks in August

Ranking Position Value
Best beach destinations in Asia in August 33rd of 50 88/100

August compared with the months around it

Month Avg high Rainfall Cloud
June 28.0 °C 6 mm 21 %
July 30.7 °C 2 mm 17 %
August 31.3 °C 3 mm 17 %
September 29.2 °C 11 mm 15 %
October 25.5 °C 32 mm 28 %

See all twelve months for Mersin

QuestionsAugust in Mersin, answered

How warm is Mersin in August?

Daily highs average 31 °C and nights fall to about 23 °C, a spread of 8.1 °C between afternoon and dawn. That makes August the 1st warmest month of the year here.

Does it rain much in Mersin in August?

August averages 3 mm of rain, spread over about 1 of the 31 days — 2 % of the month. Cloud cover averages 17 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 29 °C off Mersin 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?

Mersin 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.