Greece / Korinthos / 21 August

Weather in Korinthos on 21 August 2026

Preliminary outlook for 21 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +34°C and nighttime around +22°C, average precipitation 0 mm, wind around 3 m/s, humidity around 45%.

This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.

← 20 August
Nearby days
22 August →
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 47%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 3%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +26°C Dew point (avg.) +13°C
Heat index (avg.) +27°C Wind chill (avg.) +26°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 216° ↗ (ENE)
Sunrise
06:48
Duration
13 h 25 min
Sunset
20:13
Moonrise
04:09
Moonset
19:20
Moon phase
Waning Crescent
Illumination
8%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +21°C Sea temperature: +25°C Precipitation: 0.1 mm Wind: 2 — 4 m/s
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 26%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +25°C
Feels like (avg.) +27°C Dew point (avg.) +16°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 216° ↗ (NE)
Sunrise
06:49
Duration
13 h 24 min
Sunset
20:13
Moonrise
21:15
Moonset
08:12
Moon phase
Waxing Gibbous
Illumination
85%
+29°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C Precipitation: 0 mm Wind: 5 — 8 m/s Humidity: 28%
MetricValue MetricValue
Day temperature (max.) +35°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 1%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +9°C
Heat index (avg.) +28°C Wind chill (avg.) +29°C
Wind gusts (max.) 14 m/s Wind direction (avg.) 178° ↑ (NNE)
Sunrise
06:48
Duration
13 h 26 min
Sunset
20:14
Moonrise
11:36
Moonset
22:44
Moon phase
Waxing Crescent
Illumination
30%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +23°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 51%
MetricValue MetricValue
Day temperature (max.) +35°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 17%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +16°C
Heat index (avg.) +28°C Wind chill (avg.) +28°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 153° → (E)
Sunrise
06:48
Duration
13 h 25 min
Sunset
20:13
Moonrise
01:19
Moonset
16:51
Moon phase
Last Quarter
Illumination
32%
+28°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 41%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 8%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +11°C
Heat index (avg.) +28°C Wind chill (avg.) +28°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 154° ↑ (NNE)
Sunrise
06:48
Duration
13 h 25 min
Sunset
20:13
Moonrise
19:55
Moonset
04:52
Moon phase
Waxing Gibbous
Illumination
91%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +22°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 47%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 8%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +15°C
Heat index (avg.) +27°C Wind chill (avg.) +27°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 147° ↑ (NNE)
Sunrise
06:49
Duration
13 h 24 min
Sunset
20:13
Moonrise
08:54
Moonset
21:52
Moon phase
Waxing Crescent
Illumination
13%

Weather in Korinthos on 21 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +36°C +20°C +27°C 14 h 7 47% 2 — 3 m/s
2024 +33°C +21°C +27°C 11 h 7 53% 2 — 4 m/s
2023 +35°C +24°C +29°C 14 h 7 28% 5 — 8 m/s
2022 +35°C +23°C +28°C 11 h 7 51% 2 — 4 m/s
2021 +32°C +23°C +28°C 14 h 7 41% 3 — 5 m/s
2020 +33°C +22°C +27°C 14 h 7 47% 3 — 5 m/s