San Gimignano Temperature by Month
San Gimignano in Tuscany, Italy sees significant seasonal temperature differences, with daytime highs between 10°C (50°F) in January and 31°C (88°F) in August, averaging 20°C (68°F) annually. Explore the full monthly breakdown below.
San Gimignano Monthly Temperatures
With significant temperature fluctuations, San Gimignano enjoys distinct seasons year-round. Nighttime lows range from 18°C (64°F) in August to 2°C (36°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in San Gimignano by month:
Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating. August, the warmest month of the year, receives 320 hours of sunshine.
The chart below shows the average temperature throughout the year:
Daily Historical Temperatures
50-year average (1976-2025)
Average high and low temperatures for each day of the month based on long-term records.
Average temperatures in June
Historical San Gimignano Temperatures: 1976-2026
Browse day-by-day temperature records for San Gimignano spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: San Gimignano vs Italy
The map below shows the annual temperature across Italy. You can also select individual months if you want to compare a specific time of year.
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San Gimignano vs World: Temperature Compared
San Gimignano's average annual maximum temperature is 20°C (68°F). To put that in context, here's how it compares to a few well-known destinations:
Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.
Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.
Seoul, South Korea averages 18°C (64°F) a year, with four clear seasons, cold winters, and hot humid summers.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on San Gimignano's weather — including monthly rainfall, sunshine hours, and humidity — visit our San Gimignano climate page.
