San Marino weather

Our guide to the weather in San Marino during May

21

Average high

5

UV Index

117mm

Monthly rainfall

71%

Humidity

We've looked at the most up-to-date weather data for San Marino, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about San Marino weather in May.

How warm is it in San Marino during May?

The temperature reaches around 21℃ during the daytime in May, falling away to 14℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in San Marino during May?

May is typically the wettest month in San Marino. On average, there will be 7 rainy days during the month, amounting to 117.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in San Marino during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

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San Marino Blog posts

From the Ireland's most popular travel bloggers

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Bologna to San Marino: A San Marino day trip

11th July 2022 by Eat Sleep Breathe Travel

During my most recent trip to Italy in November of 2019, I had planned on spending a few days in Venice. Unfortunately, that was also when Venice suffered from the horrific flooding so those plans were quickly cut. However, I still had a flight to Italy and needed to spend a few days in the country before moving onto France for the Strasbourg Christmas Markets. So, I decided I’d spend a few days in Bologna. I’ll admit, as excited as I was to eat my way through Bologna, a big part of why I...

Weather in San Marino

Our month-by-month guide to the weather and climate in San Marino

9.4

San Marino weather in

January
10.4

San Marino weather in

February
13.2

San Marino weather in

March
16.9

San Marino weather in

April
20.8

San Marino weather in

May
25.9

San Marino weather in

June
29.0

San Marino weather in

July
29.2

San Marino weather in

August
24.7

San Marino weather in

September
19.6

San Marino weather in

October
14.9

San Marino weather in

November
10.7

San Marino weather in

December