Tanjungbalai weather in August

In August, Tanjungbalai has daytime highs averaging 30 °C, nights around 24 °C, with 26 wet days, and a sea temperature of 30 °C. Figures are 1991–2020 climate normals.

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

Daily temperatures through August

21°27°33°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 30.3 °C and lows bottom out at 24.0 °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 August30.0 °C24.3 °C77 %
11–20 August29.8 °C24.1 °C86 %
21–31 August29.5 °C24.1 °C89 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 22, at 100 %. 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 12 of 31 38 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 26 of 31 84 %

Conditions in August

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 34 °C
Record low (1991–2020) 22 °C
Relative humidity 89 %
Wind speed 9.5 km/h
Cloud cover 86 %

Where Tanjungbalai ranks in August

RankingPositionValue
Warmest sea temperatures in Asia in August42ndof 5030 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 30.1 °C 185 mm 82 %
July 29.9 °C 197 mm 83 %
August 29.8 °C 233 mm 86 %
September 29.5 °C 294 mm 89 %
October 29.1 °C 354 mm 92 %

See all twelve months for Tanjungbalai

Nearby destinations in August

Destination Avg high Wet days Sea
Tanjungbalai 30 °C 26 30
Pematangsiantar 28 °C 28
Perbaungan 30 °C 22 30
Percut 30 °C 26 30
Medan 30 °C 26
Sunggal 30 °C 27
Binjai 30 °C 27
Sitiawan 29 °C 23 30
Kapar 30 °C 19 30

QuestionsAugust in Tanjungbalai, answered

How warm is Tanjungbalai in August?

Daily highs average 30 °C and nights fall to about 24 °C, a spread of 5.6 °C between afternoon and dawn. That makes August the 6th warmest month of the year here.

Does it rain much in Tanjungbalai in August?

August averages 233 mm of rain, spread over about 26 of the 31 days — 84 % of the month. Cloud cover averages 86 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 30 °C off Tanjungbalai 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?

Tanjungbalai averages 12 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.