SeasonMapSan Marino weather in April
San Marino
April in San Marino: cool, a little rain, with clean air — a great time to visit.
#6 of 12 months in San Marino · #742 of 1383 destinations to visit in April · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Marino in April
No notes yet. Open San Marino on the map to add the first one.
San Marino climate normals — April
| Daytime high | 14°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 13°C / 55°F | |
| Sea temperature | 14°C / 58°F | 🥶 cold sea |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 4°C / 40°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 13.5 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in San Marino in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 6 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for San Marino's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSan Marino's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in San Marino in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Investiture of the Captains Regent
1 AprMajor festivalTwice a year the republic swears in two new heads of state for six months. On 1 April the crossbowmen, the guard and the whole state parade up to the Palazzo Pubblico for it. Source ↗
- Season
In-cloud days on Monte Titano
15 Oct – 15 Apr · usuallyFog seasonRiskThe old town sits high enough that the cloud base often sits below it. On those days the famous view of the Adriatic is a white wall, while the coast below is clear.
Nearby, and something's on
Within 300 km of San Marino — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is San Marino?
San Marino in April — FAQ
- Is April a good time to visit San Marino?
- April in San Marino: cool, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for San Marino on SeasonMap's comfort score (78/100).
- What is the weather like in San Marino in April?
- In April, San Marino averages a daily high of 14.4°C and a low of 5°C, with about 55.4 mm of rain over roughly 9 rainy days.
- What is the air quality in San Marino in April?
- San Marino has a mean US Air Quality Index of about 46 in April.
Other months in San Marino
Compare San Marino in April
Warmer or cooler than San Marino in April
Similar destinations in Southern Europe — April
Within 300 km: Florence's Scoppio del Carro on 5 Apr, and Vatican City's Friday evening museum openings around 15 Apr – 31 Oct.