San Marino Weather in October

October in San Marino averages 20°C (68°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 90 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in San Marino in October

Typically, about 12 days will experience rainfall, with an average of 90 mm (3.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in San Marino in October

October is a good time to be in San Marino. Days are perfect, reaching 20°C (68°F), with nights around 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in San Marino in October

The area enjoys a balanced 165 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Average water temperature in October

At 19°C (66°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit San Marino.

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For a detailed overview over the year and the best time to visit San Marino, check out our San Marino's climate page.

San Marino Temperature in October

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 38%  

Precipitation 90 mm (3.5 in)  

Rainy days 12 days  

Humidity 80% *  

Sunshine 165 hours *  

Percentage Sunshine 41% *  

* Data from: Rimini, Italy (17 KM, 10 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in San Marino typically drop from around 22°C (72°F) at the start of October to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Historical weather for San Marino in October

Browse day-by-day weather records for San Marino spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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San Marino historical weather extremes in October

Based on weather observations in San Marino between 1976 and 2025, these are the recorded extremes during October.

• San Marino recorded its highest October temperature of 29°C (84°F) on October 5, 1981.
• San Marino experienced its chilliest October day on October 31, 1997, reaching only 7°C (45°F).
• The lowest overnight temperature recorded in October was 2°C (36°F) (October 26, 2003).

What to Wear in San Marino in October

For San Marino in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 19°C (66°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in San Marino in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit San Marino, check out our San Marino's climate page.

More climate data for San Marino

Temperature Rainfall Sunshine Humidity Water Temp

See the full San Marino climate overview or explore weather in San Marino.