Trieste weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Trieste in May. Check more long-term weather averages for Trieste in May before you book your next holiday to Italy in 2025/2026.

  • 21°C maximum daytime temperature in May in Trieste21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in May in Trieste14
    14 days with some rainfall
  • 12°C minimum night-time temperature in May in Trieste12
    12°C min night temperature
  • 15 hours of daylight per day in May in Trieste15
    15 hours of daylight per day
  • No heat & humidity in May in Trieste0
    No heat & humidity
  • 86 mm monthly rainfall in May in Trieste86
    86 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Trieste7
    7 (High) UV index

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The May weather guide for Italy (Trieste) 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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More about Italy

How hot is it in Trieste in May?

Daytime temperatures usually reach 21°C in Trieste in May, falling to 12°C at night.

How sunny is it in Trieste in May?

There are normally 8 hours of bright sunshine each day in Trieste in May - that's 51% of daylight hours.

Does it rain in Trieste in May?

There are usually 14 days with some rain in Trieste in May and the average monthly rainfall is 86mm.

Trieste May sunrise & sunset times

Browse the sunrise and sunset times for Trieste in May 2025. Select a month to view Trieste sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:53 19:12
Friday, 16th May 2025 04:33 19:31
Saturday, 31st May 2025 04:20 19:46

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