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Castel San Giorgio Weather and Climate: A Comprehensive Guide

The climate in Castel San Giorgio is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to mild in the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

In Castel San Giorgio, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 29°C in August, the warmest time of the year, to a moderate 12°C during cooler months like February.

At night, temperatures typically drop to an average of around 6°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Castel San Giorgio experiences significant rainfall throughout the year, averaging 1329 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives heavy rainfall, averaging 208 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, July brings less rainfall, with 23 mm over 5 rainy days. For more details, please visit our Castel San Giorgio Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Castel San Giorgio. While July receives considerable daily sunshine with up to 10.7 hours, January marks the darkest time of the year, where sunshine is scarce with only 3.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sorrento, Italy (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Sorrento, Italy (32 KM, 20 Miles).

Forecast for Castel San Giorgio

Sun   Dec 22
11°C | 3°C
W 2 m/s
8.9 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Mon   Dec 23
10°C | -1°C
NW 2 m/s
7.6 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
7°C | -1°C
N 4 m/s
1.9 mm
broken clouds and  chance of rain

broken clouds and chance of rain

The best time of year to visit Castel San Giorgio in Italy

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Castel San Giorgio?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Castel San Giorgio?
    Most rainfall (rainy season) is seen in October, November and December.
  • Which is the warmest month in Castel San Giorgio?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Castel San Giorgio?
    The coldest month is February with an average maximum temperature of 12°C.
  • Which is the wettest month in Castel San Giorgio?
    November tops the wettest month list with 208 mm of rainfall.
  • Which is the driest month in Castel San Giorgio?
    July is the driest month with 23 mm of precipitation.
  • Which is the sunniest month in Castel San Giorgio?
    July is the sunniest month with an average of 320 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.