Italy / San Felice Circeo / 17 August

Weather in San Felice Circeo on 17 August 2026

Preliminary outlook for 17 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +29°C and nighttime around +23°C, average precipitation 0.1 mm, wind around 3 m/s, humidity around 69%.

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.

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+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 0.2 mm Wind: 4 — 8 m/s Humidity: 68%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 27%
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.) +18°C
Heat index (avg.) +25°C Wind chill (avg.) +24°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 75° ↓ (S)
Sunrise
06:19
Duration
13 h 44 min
Sunset
20:03
Moonrise
Does not rise today
Moonset
15:22
Moon phase
Last Quarter
Illumination
37%
+27°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +24°C Sea temperature: +26°C Precipitation: 0.2 mm Wind: 3 — 4 m/s
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 28%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +26°C
Feels like (avg.) +29°C Dew point (avg.) +20°C
Heat index (avg.) +29°C Wind chill (avg.) +28°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 209° ↙ (SW)
Sunrise
06:19
Duration
13 h 44 min
Sunset
20:03
Moonrise
19:03
Moonset
03:01
Moon phase
Waxing Gibbous
Illumination
86%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C Precipitation: 0 mm Wind: 3 — 3 m/s Humidity: 69%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 761 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.) +27°C Wind chill (avg.) +25°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 213° ↙ (SW)
Sunrise
06:18
Duration
13 h 46 min
Sunset
20:04
Moonrise
07:19
Moonset
21:02
Moon phase
Waxing Crescent
Illumination
1%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 20%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +23°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 126° ↓ (SSW)
Sunrise
06:19
Duration
13 h 45 min
Sunset
20:04
Moonrise
23:05
Moonset
12:18
Moon phase
Waning Gibbous
Illumination
61%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 66%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 2%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +19°C
Heat index (avg.) +27°C Wind chill (avg.) +26°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 178° ↙ (SW)
Sunrise
06:19
Duration
13 h 45 min
Sunset
20:04
Moonrise
15:47
Moonset
00:22
Moon phase
First Quarter
Illumination
61%
+25°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +23°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 65%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 22%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +19°C
Heat index (avg.) +27°C Wind chill (avg.) +25°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 214° ↓ (S)
Sunrise
06:19
Duration
13 h 44 min
Sunset
20:03
Moonrise
04:06
Moonset
19:24
Moon phase
Waning Crescent
Illumination
1%

Weather in San Felice Circeo on 17 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +28°C +20°C +24°C 11 h 6 68% 4 — 8 m/s
2024 +29°C +24°C +27°C 13 h 7 65% 3 — 4 m/s
2023 +28°C +23°C +25°C 13 h 7 69% 3 — 3 m/s
2022 +32°C +24°C +28°C 14 h 7 79% 3 — 4 m/s
2021 +28°C +23°C +25°C 13 h 7 66% 3 — 4 m/s
2020 +28°C +23°C +25°C 14 h 7 65% 2 — 3 m/s