Bitung weather in August

In August, Bitung has daytime highs averaging 29 °C, nights around 25 °C, with 14 wet days, and a sea temperature of 28 °C. Figures are 1991–2020 climate normals.

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

Daily temperatures through August

22° 27° 32° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 29.1 °C and lows bottom out at 25.0 °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.

Days Avg high Avg low Chance of rain
1–10 August 28.6 °C 25.1 °C 42 %
11–20 August 28.7 °C 25.0 °C 45 %
21–31 August 29.0 °C 25.1 °C 52 %
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 28, at 63 %. 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 1.0 of 31 3 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 14 of 31 47 %

Conditions in August

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) 23 °C
Relative humidity 83 %
Wind speed 11 km/h
Cloud cover 65 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 28.8 °C 303 mm 75 %
July 28.4 °C 216 mm 71 %
August 28.8 °C 138 mm 65 %
September 29.5 °C 141 mm 67 %
October 29.8 °C 239 mm 74 %

See all twelve months for Bitung

QuestionsAugust in Bitung, answered

How warm is Bitung in August?

Daily highs average 29 °C and nights fall to about 25 °C, a spread of 3.7 °C between afternoon and dawn. That makes August the 11th warmest month of the year here.

Does it rain much in Bitung in August?

August averages 138 mm of rain, spread over about 14 of the 31 days — 47 % of the month. Cloud cover averages 65 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 28 °C off Bitung 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?

Bitung 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.