Isiro weather in August

In August, Isiro has daytime highs averaging 27 °C, nights around 19 °C, with 26 wet days. Figures are 1991–2020 climate normals.

  1. Jan 25°
  2. Feb 25°
  3. Mar 24°
  4. Apr 24°
  5. May 23°
  6. Jun 23°
  7. Jul 22°
  8. Aug 22°
  9. Sep 22°
  10. Oct 22°
  11. Nov 23°
  12. Dec 24°

Daily temperatures through August

17° 24° 30° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 27.4 °C and lows bottom out at 19.2 °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 26.6 °C 19.2 °C 82 %
11–20 August 26.8 °C 19.3 °C 85 %
21–31 August 26.9 °C 19.3 °C 84 %
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 29, at 97 %. 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 85 %
Days above 30 °C 0.1 of 31 0 %
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 22 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) 18 °C
Relative humidity 91 %
Wind speed 7.1 km/h
Cloud cover 85 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 27.1 °C 131 mm 85 %
July 26.7 °C 144 mm 84 %
August 26.7 °C 180 mm 85 %
September 27.2 °C 185 mm 87 %
October 26.8 °C 229 mm 90 %

See all twelve months for Isiro

QuestionsAugust in Isiro, answered

How warm is Isiro in August?

Daily highs average 27 °C and nights fall to about 19 °C, a spread of 7.4 °C between afternoon and dawn. That makes August the 11th warmest month of the year here.

Does it rain much in Isiro in August?

August averages 180 mm of rain, spread over about 26 of the 31 days — 84 % of the month. Cloud cover averages 85 % of the sky.

How long are the days in August?

Isiro 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.