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Weather & Climate

Riano, Lazio, Italy

Overview

Climate data and monthly weather averages for Riano.

Key Metrics

Annual Avg
15.9°C
Summer Avg
25°C
Winter Avg
7.6°C
Record High
40.9°C
Record Low
-5.1°C
Annual Precipitation
774.2 mm
Avg Humidity
71%
Summer Humidity
57%
Winter Humidity
80%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan18°-4.1°72.581%5354.1
Feb19.4°7.6°-5.1°76.479%7347.9
Mar24.1°10.3°-4.2°68.576%11756.7
Apr27.2°13.9°-2°56.472%15145.9
May31.6°18°4.5°5768%18843.2
Jun37.3°22.8°8.5°34.262%21041.8
Jul39°26°13.5°25.755%22436.9
Aug40.9°26.1°12.6°26.355%19640.1
Sep36.5°21.4°7.8°69.664%13841.4
Oct29.6°17.2°3.7°81.873%9765.9
Nov25.8°12.4°-1.4°114.380%5760.1
Dec18.9°8.1°-4.3°91.581%4753.8

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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