Postojna Weather in August
Average highs run from 27°C on August 1 to 24°C on August 31, and lows from 16°C to 14°C. Normal precipitation for the month is 90 mm over about 13 wet days.
August day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 26°C
- Average low
- 16°C
- Precipitation
- 90 mm
- Record high
- 38°CAug 5, 2017
- Record low
- 12°CAug 27, 1966
- Daylight
- 14 h 46 min to 13 h 20 min
- Cloud cover
- 55%
- Humidity
- 66%
- Dew point
- 14°C
- Wind
- 6.8 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 27°C | 16°C | 34°C 2001 | 17°C 1989 | 42% |
| Aug 2 | 27°C | 16°C | 35°C 1990 | 15°C 1976 | 41% |
| Aug 3 | 27°C | 16°C | 37°C 2003 | 15°C 1989 | 41% |
| Aug 4 | 27°C | 16°C | 37°C 2018 | 17°C 1983 | 42% |
| Aug 5 | 27°C | 16°C | 38°C 2017 | 15°C 2006 | 41% |
| Aug 6 | 27°C | 16°C | 37°C 2015 | 13°C 1987 | 40% |
| Aug 7 | 27°C | 16°C | 38°C 2015 | 14°C 1985 | 41% |
| Aug 8 | 27°C | 16°C | 37°C 2015 | 16°C 1985 | 42% |
| Aug 9 | 27°C | 16°C | 38°C 2015 | 15°C 2011 | 43% |
| Aug 10 | 27°C | 16°C | 36°C 2015 | 16°C 1984 | 42% |
| Aug 11 | 27°C | 16°C | 35°C 2015 | 15°C 1974 | 42% |
| Aug 12 | 27°C | 16°C | 35°C 2015 | 16°C 1974 | 41% |
| Aug 13 | 27°C | 16°C | 34°C 2015 | 15°C 2006 | 41% |
| Aug 14 | 27°C | 16°C | 36°C 1988 | 16°C 1978 | 41% |
| Aug 15 | 27°C | 16°C | 35°C 1985 | 14°C 1997 | 41% |
| Aug 16 | 27°C | 16°C | 34°C 1985 | 17°C 1978 | 40% |
| Aug 17 | 27°C | 16°C | 35°C 1985 | 18°C 1976 | 40% |
| Aug 18 | 26°C | 16°C | 34°C 2018 | 16°C 1990 | 41% |
| Aug 19 | 26°C | 16°C | 34°C 2018 | 13°C 1968 | 41% |
| Aug 20 | 26°C | 16°C | 35°C 2003 | 15°C 1968 | 41% |
| Aug 21 | 26°C | 15°C | 35°C 2023 | 16°C 1968 | 42% |
| Aug 22 | 26°C | 15°C | 35°C 2018 | 14°C 1976 | 41% |
| Aug 23 | 26°C | 15°C | 34°C 2018 | 15°C 1968 | 40% |
| Aug 24 | 26°C | 15°C | 34°C 2023 | 16°C 1976 | 40% |
| Aug 25 | 25°C | 15°C | 34°C 2011 | 14°C 1966 | 42% |
| Aug 26 | 25°C | 15°C | 33°C 2011 | 13°C 1969 | 42% |
| Aug 27 | 25°C | 14°C | 34°C 2011 | 12°C 1966 | 43% |
| Aug 28 | 25°C | 14°C | 33°C 2017 | 14°C 1969 | 44% |
| Aug 29 | 24°C | 14°C | 33°C 2020 | 13°C 1969 | 44% |
| Aug 30 | 24°C | 14°C | 32°C 2019 | 13°C 1986 | 43% |
| Aug 31 | 24°C | 14°C | 35°C 2019 | 13°C 2010 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- August 1
- sunrise 5:46 AM, sunset 8:32 PM
- August 31
- sunrise 6:23 AM, sunset 7:43 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ITM00016110, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.