San Marino weather in May 2026

Expect daytime maximum temperatures of 20°C in San Marino in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 64 mm of rainfall in the month.

  • 20°C maximum daytime temperature in May in San Marino20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in May in San Marino13
    13 days with some rainfall
  • 11°C minimum night-time temperature in May in San Marino11
    11°C min night temperature
  • 15 hours of daylight per day in May in San Marino15
    15 hours of daylight per day
  • No heat & humidity in May in San Marino0
    No heat & humidity
  • 64 mm monthly rainfall in May in San Marino64
    64 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in San Marino7
    7 (High) UV index

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The May weather guide for San Marino shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in San Marino in May?

Daytime temperatures usually reach 20°C in San Marino in May, falling to 11°C at night.

How sunny is it in San Marino in May?

There are normally 7 hours of bright sunshine each day in San Marino in May - that's 50% of daylight hours.

Does it rain in San Marino in May?

There are usually 13 days with some rain in San Marino in May and the average monthly rainfall is 64mm.

San Marino May sunrise & sunset times

Browse the sunrise and sunset times for San Marino in May 2026. Select a month to view San Marino sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:02 19:13
Saturday, 16th May 2026 04:43 19:30
Sunday, 31st May 2026 04:31 19:45

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