Capital city, San Marino
San Marino weather by month and the best time to visit
When to go to San Marino
May–June and September–October are mild with clear views. July–August is hot and crowded with day-trippers; winter is cold, foggy and quiet.
San Marino weather by month
Average daily high, rainfall and conditions.
- Jan5°55 mm
- Feb6°71 mm
- Mar9°69 mm
- Apr13°63 mm
- May18°69 mm
- Jun23°46 mm
- Jul26°38 mm
- Aug26°47 mm
- Sep21°79 mm
- Oct16°79 mm
- Nov11°88 mm
- Dec6°68 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 5°C41°F | 0°C33°F | 55 mm | 84% | Cold |
| February | 6°C43°F | 0°C33°F | 71 mm | 82% | Cold |
| March | 9°C49°F | 3°C37°F | 69 mm | 79% | Cold |
| April | 13°C56°F | 6°C43°F | 63 mm | 76% | Cool |
| May | 18°C64°F | 10°C51°F | 69 mm | 72% | Cool |
| June | 23°C73°F | 15°C59°F | 46 mm | 65% | Pleasant |
| July | 26°C79°F | 18°C64°F | 38 mm | 58% | Pleasant |
| August | 26°C79°F | 18°C64°F | 47 mm | 60% | Pleasant |
| September | 21°C69°F | 14°C56°F | 79 mm | 69% | Pleasant |
| October | 16°C61°F | 10°C49°F | 79 mm | 78% | Cool |
| November | 11°C51°F | 6°C42°F | 88 mm | 84% | Cold |
| December | 6°C43°F | 2°C35°F | 68 mm | 85% | Cold |
Quick answers
What is the best month to visit San Marino?
May–Jun, Sep–Oct. May–June and September–October are mild with clear views. July–August is hot and crowded with day-trippers; winter is cold, foggy and quiet.
When is the rainy season in San Marino?
Rain peaks in November with about 88 mm. No month averages 150 mm or more.
What is the hottest month in San Marino?
July, with average highs of 26°C (79°F).
How cold does San Marino get?
The coolest nights are in January, averaging 0°C (33°F).
More about San Marino
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 2.9°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.