Mataram weather in August

In August, Mataram has daytime highs averaging 30 °C, nights around 22 °C, with 1.7 wet days, and a sea temperature of 27 °C. Figures are 1991–2020 climate normals.

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

Daily temperatures through August

20°27°33°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 30.8 °C and lows bottom out at 22.3 °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 August29.9 °C22.4 °C4 %
11–20 August30.1 °C22.5 °C5 %
21–31 August30.5 °C22.5 °C7 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 28, at 13 %. 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 18 of 31 57 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 1.7 of 31 6 %

Conditions in August

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 33 °C
Record low (1991–2020) 19 °C
Relative humidity 74 %
Wind speed 21 km/h
Cloud cover 45 %

Where Mataram ranks in August

RankingPositionValue
Best beach destinations in Asia in August9thof 5095/100
Best beach destinations in the world in August40thof 5095/100

August compared with the months around it

Month Avg high Rainfall Cloud
June 29.7 °C 34 mm 46 %
July 29.7 °C 19 mm 47 %
August 30.2 °C 8 mm 45 %
September 30.9 °C 23 mm 49 %
October 31.1 °C 64 mm 55 %

See all twelve months for Mataram

Nearby destinations in August

Destination Avg high Wet days Sea
Mataram 30 °C 1.7 27
Klungkung 28 °C 10 26
Denpasar 26 °C 9 26
Situbondo 31 °C 2 28
Jember 29 °C 6
Bima 31 °C 1
Probolinggo 30 °C 1 28

QuestionsAugust in Mataram, answered

How warm is Mataram in August?

Daily highs average 30 °C and nights fall to about 22 °C, a spread of 7.7 °C between afternoon and dawn. That makes August the 11th warmest month of the year here.

Does it rain much in Mataram in August?

August averages 8 mm of rain, spread over about 2 of the 31 days — 6 % of the month. Cloud cover averages 45 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 27 °C off Mataram 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?

Mataram 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.