Climate Insights for San Giuliano Milanese

The climate in San Giuliano Milanese is temperate. The average annual temperature is 14°C and approximately 1025mm of precipitation falls per year. February is the wettest month, receiving around 174mm of rainfall. San Giuliano Milanese is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, December, February, when temperatures can drop to 1°C. Light snow can occur between January and January.

Temperatures in San Giuliano Milanese vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 1°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

San Giuliano Milanese is a moderately rainy area, receiving approximately 1025mm of precipitation annually, which averages out to around 85mm per month. The wettest month is February, averaging 174mm of rainfall. November and May also tend to see above-average precipitation. The driest month is December, with just 15mm. That's 159mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and January, totalling around 8cm annually. January is the snowiest month with approximately 7cm.

San Giuliano Milanese is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 0km/h gap between the calmest and windiest months.

It is currently summer in San Giuliano Milanese, which began on June 21, 2026. San Giuliano Milanese is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 31°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit San Giuliano Milanese is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 66mm per month. By contrast, July can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for San Giuliano Milanese based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.