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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 excellent, 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.
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).
San Marino Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Marino - and find the best time to visit.
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
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
Historical weather records 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.
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).
Best Places in San Marino in October
Find out more about the weather in San Marino and which places have the best travel conditions in this month. See all of San Marino in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
San Marino 3-Day Forecast
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.
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Where to go in October - average daytime high across popular destinations.
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