Weather by month for central San Marino, the best months to go and how San Marino's regions differ, scored from 10 years of climate data.
Jun, Sep
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 22°C to 25°C · 10–11 rain days
Apr, May, Jul, Aug, Oct
Still good weather, just not quite the top months.
Highs 15°C to 28°C · 7–15 rain days
Jan, Feb, Dec
The weakest weather of the year: too hot, too cold or too wet.
Highs 7°C to 9°C · 10–11 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 7°C / 1°C | 11 days (81 mm) | 5.9 h/day | 2.4/10 |
| February | 9°C / 2°C | 10 days (96 mm) | 7.0 h/day | 3.3/10 |
| March | 11°C / 3°C | 12 days (86 mm) | 8.8 h/day | 4.2/10 |
| April | 15°C / 6°C | 12 days (76 mm) | 10.5 h/day | 6.0/10 |
| May | 19°C / 10°C | 15 days (121 mm) | 11.1 h/day | 7.1/10 |
| Best month: June | 25°C / 15°C | 10 days (65 mm) | 13.1 h/day | 8.0/10 |
| July | 28°C / 18°C | 7 days (46 mm) | 13.7 h/day | 7.4/10 |
| August | 28°C / 18°C | 9 days (59 mm) | 12.4 h/day | 7.4/10 |
| Best month: September | 22°C / 13°C | 11 days (85 mm) | 10.4 h/day | 7.9/10 |
| October | 18°C / 10°C | 12 days (111 mm) | 8.0 h/day | 7.4/10 |
| November | 12°C / 5°C | 13 days (114 mm) | 6.0 h/day | 4.0/10 |
| December | 9°C / 2°C | 10 days (76 mm) | 5.7 h/day | 2.8/10 |
Figures for central San Marino; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
7°C / 1°C · 11 rain days · 5.9 h sun
Days top out at 6.9°C with lows near 0.5°C, and rain falls on about 11 days. Sun hours are the lowest of the year at 5.9. With a score of 2.4, this month ranks among the weakest for a visit, mainly due to cold, damp, grey conditions. New Year's Day and Epiphany fall this month, so some sights may run on holiday hours.
9°C / 2°C · 10 rain days · 7.0 h sun
Highs reach 9.1°C with lows around 1.7°C, and rain still falls on roughly 10 days. Sun hours creep up slightly to 7. The score of 3.3 keeps February in the weaker tier of the year, cold and still fairly wet. The Feast of Saint Agatha is marked on February 5.
11°C / 3°C · 12 rain days · 8.8 h sun
Temperatures climb to an 11.1°C high and 3°C low, with rain days rising slightly to 11.5. Sun hours reach 8.8 as spring light starts to build. The score of 4.2 marks March as an okay month, a transition point before warmer, sunnier weather arrives. The Anniversary of the Arengo falls on March 25.
15°C / 6°C · 12 rain days · 10.5 h sun
Highs reach 14.8°C with lows of 5.9°C, and rain falls on about 12 days this month. Sun hours rise to 10.5, giving longer bright spells. With a score of 6, April is rated good, offering mild, fresh conditions. Easter Sunday and Easter Monday both fall in April.
19°C / 10°C · 15 rain days · 11.1 h sun
Highs reach 18.6°C with lows of 10.1°C, but May is the wettest month, with 14.7 rain days and 121mm of rain. Sun hours climb to 11.1. The score of 7.1 keeps May in the good range despite the showers, since warmth and daylight both increase. Labour Day falls on May 1.
25°C / 15°C · 10 rain days · 13.1 h sun
Highs hit 24.5°C with lows of 14.9°C, while rain days drop to 10.1 and sun hours rise to 13.1. This mix of warmth, long daylight and fewer wet days gives June the year's top score of 8, rated best. Corpus Christi is marked on June 4.
28°C / 18°C · 7 rain days · 13.7 h sun
July brings the hottest highs so far at 28.3°C, with lows of 17.7°C. Rain is scarce, just 7.3 days and 46mm, the driest month of the year, and sun hours peak at 13.7. The score of 7.4 keeps July in the good tier, strong for sunny, dry days despite the heat. Liberation from Fascism is marked on July 28.
28°C / 18°C · 9 rain days · 12.4 h sun
Highs stay high at 27.6°C with lows of 17.6°C, and rain remains light at 9 days and 59mm. Sun hours sit at 12.4. The score of 7.4 keeps August rated good, similar to July but slightly cooler and a touch wetter. Ferragosto, the Assumption holiday, falls on August 15.
22°C / 13°C · 11 rain days · 10.4 h sun
Highs ease to 22.1°C with lows of 13.4°C, while rain days rise slightly to 10.5 and sun hours fall to 10.4. The score of 7.9 makes September one of the two best-rated months, combining comfortable warmth with manageable rain. The Feast of San Marino and the Republic is celebrated on September 3.
18°C / 10°C · 12 rain days · 8.0 h sun
Highs drop to 17.5°C with lows of 10°C, and rain becomes more frequent, 11.9 days and 111mm. Sun hours fall to 8. The score of 7.4 still rates October as good, cooler and wetter than summer but mild overall.
12°C / 5°C · 13 rain days · 6.0 h sun
Highs fall to 11.9°C with lows of 5.4°C, and rain remains frequent at 12.5 days with 114mm. Sun hours drop to 6, among the lowest of the year. The score of 4 marks November as only okay, with cold, grey, damp weather setting in. All Saints' Day falls on November 1 and the war commemoration on November 2.
9°C / 2°C · 10 rain days · 5.7 h sun
Highs reach just 8.7°C with lows of 2.1°C, and rain falls on about 10 days. Sun hours sink to 5.7, tied for the year's darkest stretch. The score of 2.8 puts December among the weakest months, cold and short on daylight. Christmas Eve, Christmas Day, St. Stephen's Day and New Year's Eve all fall this month.
By trip type
City sightseeing
June and September suit walking around the old town. June has average highs of 24.5°C, 13.1 hours of sun a day and 10.1 rain days. September is a little cooler at 22.1°C, with 10.4 hours of sun.
Hiking & nature
September is the best month for hiking. Highs of 22.1°C are cooler than July's 28.3°C, and lows of 13.4°C keep mornings mild. Expect about 10.5 rain days and 85 mm of rain, so pack a light rain jacket.
Events calendar
Public holidays: New Year's Day (1 Jan), Epiphany (6 Jan)
Public holidays: Feast of Saint Agatha (5 Feb)
Public holidays: Anniversary of the Arengo (25 Mar)
Public holidays: Easter Sunday (5 Apr), Easter Monday (6 Apr)
Public holidays: Labour Day (1 May)
Public holidays: Corpus Christi (4 Jun)
Public holidays: Liberation from Fascism (28 Jul)
Public holidays: Ferragosto (Assumption) (15 Aug)
Public holidays: The Feast of San Marino and the Republic (3 Sep)
Public holidays: All Saints' Day (1 Nov), Commemoration of all those who died at war (2 Nov)
Public holidays: Immaculate Conception (8 Dec), Christmas Eve (24 Dec), Christmas Day (25 Dec), St. Stephen's Day (26 Dec), New Year's Eve (31 Dec)
Keep planning
FAQ
June and September are the best months to visit San Marino. In June, highs reach 24.5°C and lows 14.9°C, with 10.1 rain days and 13.1 sun hours. September is a little cooler, with highs of 22.1°C, lows of 13.4°C and 10.5 rain days. Both months are warm without the peak heat of July and August.
Yes, August is a good month for San Marino, but it is hot. Highs average 27.6°C and nights stay mild at 17.6°C. There are 9 rain days, 59 mm of rain and 12.4 sun hours. July is slightly hotter at 28.3°C, and it is also the driest month, with 7.3 rain days and 46 mm of rain.
Yes, May is a good month, but expect showers. It is the wettest month of the year, with 14.7 rain days and 121 mm of rain. Temperatures are pleasant for walking, with highs of 18.6°C and lows of 10.1°C. The days are also long, with 11.1 sun hours.
January is the coldest month in San Marino, with highs of 6.9°C and lows of 0.5°C. It gets 10.6 rain days and 81 mm of rain. It also has little sun, at 5.9 sun hours. December is similar, with highs of 8.7°C and the fewest sun hours of the year, at 5.7. Bring warm layers and a waterproof jacket.
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