147.4 mm on 21 January 2026
136 mm on 1 April 2026
134.6 mm on 14 December 2020
125–135 mm on 30 December 2012
108.2 mm on 14 October 2021
87.6 mm on 22 October 2015
77 mm on 4 December 2025
76.8 mm on 11 December 2009
75 mm on 29 September 2018
71.2 mm on 6 December 2024
70.8 mm on 26 January 2023
70 mm on 3 February 2011
70–80 mm on 22 February 2013
65.6 mm on 30 December 2019
62.6 mm on 12 December 2014
💧 Highest precipitation per weather episode:
235 mm, 10–16 December 2020
169.6 mm, 6–12 December 2014
169.4 mm, 1–5 April 2026
162 mm, 21–23 January 2026
150–160 mm, 29–31 December 2012
140.2 mm, 22–24 October 2015
136 mm, 29 September–1 October 2018
131.4 mm, 23–29 December 2024
131 mm, 14–15 October 2021
126.2 mm, 4–5 December 2025
123.2 mm, 10–13 December 2009
⛈️ Highest recorded rainfall intensity:
960 mm/h on 4 July 2024
🌧 Highest monthly precipitation:
297.1 mm in December 2020
☔︎︎ Mean annual precipitation since 2008:
685.3 mm
💨 Highest wind speed:
82.1 km/h, WSW, on 16 January 2016
Agios Stefanos Climate Data and Weather Station Archive
/ Climatological Data - Agios Stefanos Weather Station Archive
Yearly and Monthly Precipitation
Weather Station Updates and Upgrades
November 2018:
New temperature/humidity sensor; rain collector calibration (estimated previous undercatch:
18%).
October 2024:
New fan for the temperature/humidity sensor’s daytime fan-aspirated radiation shield.
New AeroCone rain collector.
New solar panel.
November 2025:
New WeatherLink Data Logger and WeatherLink Envoy. The data logger failed in October 2025. The
console also stopped for two days and resumed after being disconnected from power for an hour.
Minimum/maximum temperature, precipitation and peak wind-gust data are available for the period
without logger recording.
Agios Stefanos, Attica — Climate Reports and Weather Station Archive /
Climatological Data - Weather Station Archive for Agios Stefanos, Attica
