Current Weather and Forecast in San Marino, San Marino
San Marino 🇸🇲
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Explore San Marino's typical temperatures and climate below - Live data returns shortly.
About the weather in San Marino
San Marino has a humid subtropical climate. July is the warmest month, with average highs of 82°, and January the coldest, when nights fall to around 31°. May brings the most rain, on about 14 days, while July is the sunniest, with 13.7 hours of sunshine a day. Over a whole year it rains on roughly 123 days.
San Marino climate guide: monthly averages, seasons and the best time to visit
Common questions
What is the coldest month in San Marino?
January, with highs of 44°F (6°C) and lows near 31°F (-1°C). The coldest day in the 2015-2024 record fell to 10°F (-12°C).
When does it rain most in San Marino?
May, at 5.1 inches (130 mm) over about 14 days. July is the driest month, at 1.8 inches (46 mm).
How humid does San Marino get?
Relative humidity averages 73% across the year, which reads as fairly humid. The most comfortable stretch falls in the drier half of the year.
When should I visit San Marino?
Aim for June to October if you get the choice: the dry season is running but the afternoons are still bearable, and highs average 74°F (23°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in June.
What is the hottest month in San Marino?
July, averaging 82°F (28°C) by day and 63°F (17°C) overnight. The hottest single day in our 2015-2024 record for this location reached 98°F (37°C).
Is there snow in San Marino?
Yes - about 7 days a year carry measurable snowfall, concentrated December through March.