Riga weather in May 2025

Expect 17°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Riga in May. Check more long-term weather averages for Riga in May before you book your next holiday to Latvia in 2025/2026.

  • 17°C maximum daytime temperature in May in Riga17
    17°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Riga11
    11 days with some rainfall
  • 6°C minimum night-time temperature in May in Riga6
    6°C min night temperature
  • 17 hours of daylight per day in May in Riga17
    17 hours of daylight per day
  • No heat & humidity in May in Riga0
    No heat & humidity
  • 48 mm monthly rainfall in May in Riga48
    48 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Riga5
    5 (Moderate) UV index
  • 2°C sea temperature in May in Riga2
    2°C sea temperature

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The May weather guide for Latvia (Riga) 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 warm is it in Riga in May?

Daytime temperatures usually reach 17°C in Riga in May, falling to 6°C at night.

How sunny is it in Riga in May?

There are normally 9 hours of bright sunshine each day in Riga in May - that's 51% of daylight hours.

Is the sea cold around Riga in May?

The average sea temperature around Riga in May is 2°C.

Does it rain in Riga in May?

There are usually 11 days with some rain in Riga in May and the average monthly rainfall is 48mm.

Riga May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:36 20:07
Friday, 16th May 2025 04:03 20:38
Saturday, 31st May 2025 03:40 21:04

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