Weather in Ermoupolis on 20 August 2026
Preliminary outlook for 20 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +26°C and nighttime around +23°C, average precipitation 0 mm, wind around 7 m/s, humidity around 72%.
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.
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +22°C
Precipitation: 0 mm
Wind: 9 — 11 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 17 m/s | Wind direction (avg.) | 337° ↖ (NNW) |
Sunrise
06:40
Duration
13 h 26 min
Sunset
20:06
Moonrise
02:47
Moonset
18:27
Moon phase
Waning Crescent
Illumination
15%
+26°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +25°C
Sea temperature: +24°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +24°C |
| Feels like (avg.) | +28°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 233° ↙ (SW) |
Sunrise
06:41
Duration
13 h 24 min
Sunset
20:05
Moonrise
20:40
Moonset
06:54
Moon phase
Full Moon
Illumination
100%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 8 — 9 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 321° ↖ (NNW) |
Sunrise
06:40
Duration
13 h 26 min
Sunset
20:06
Moonrise
10:30
Moonset
22:14
Moon phase
Waxing Crescent
Illumination
23%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 337° ↖ (NNW) |
Sunrise
06:40
Duration
13 h 26 min
Sunset
20:06
Moonrise
00:31
Moonset
15:41
Moon phase
Last Quarter
Illumination
39%
+24°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 10 — 11 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| 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.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 18 m/s | Wind direction (avg.) | 349° ↖ (NNW) |
Sunrise
06:40
Duration
13 h 26 min
Sunset
20:06
Moonrise
18:57
Moonset
03:32
Moon phase
Waxing Gibbous
Illumination
83%
+24°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 8 — 10 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 300° ↖ (NNW) |
Sunrise
06:41
Duration
13 h 24 min
Sunset
20:05
Moonrise
07:40
Moonset
21:13
Moon phase
Waxing Crescent
Illumination
6%
Weather in Ermoupolis on 20 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+25°C
|
+22°C
|
+24°C | 14 h | 6 | 76% | 9 — 11 m/s |
| 2024 |
+27°C
|
+25°C
|
+26°C | 14 h | 7 | 70% | 3 — 6 m/s |
| 2023 |
+27°C
|
+24°C
|
+25°C | 14 h | 7 | 76% | 8 — 9 m/s |
| 2022 |
+28°C
|
+26°C
|
+27°C | 14 h | 7 | 69% | 6 — 7 m/s |
| 2021 |
+25°C
|
+22°C
|
+24°C | 14 h | 6 | 72% | 10 — 11 m/s |
| 2020 |
+25°C
|
+21°C
|
+24°C | 14 h | 6 | 71% | 8 — 10 m/s |