Castro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Castro.
Climate overview of Castro
Castro, Lombardy, Italy, sees big temperature differences between seasons, with July peaking at 24°C (75°F) and January dropping to 5°C (41°F).
The city has a wet climate, receiving around 1512 mm (60 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. June is the wettest month.
Castro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castro - and find the best time to visit.
Monthly Temperature in Castro
Visitors to Castro can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 5°C (41°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Castro
Castro is known for its substantial rain/snowfall, with annual precipitation reaching 1512 mm (60 in). The seasons in Castro bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 169 mm (6.7 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 60 mm (2.4 in) over 11 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Castro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Castro by Month
The relative humidity is high throughout the year in Castro.
The city experiences its highest humidity in January, reaching 86%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Castro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Castro
What is the best time to visit Castro?
June, July, August and September typically offer the most optimal weather in Castro. In contrast, January, February, March, November and December tend to have less optimal conditions. Castro has warm summers and cold winters.
What temperatures can I expect in Castro?
Daytime highs range from 5°C (41°F) in January to 24°C (75°F) in July. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Castro get?
Annual rainfall is around 1512 mm (60 in). June is the wettest month with 169 mm (6.7 in), while January is the driest with 60 mm (2.4 in).
Castro 3-Day Forecast
Castro on the map
Castro is highlighted - select any city to see its climate.
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