Riga weather in August 2026

Expect daytime maximum temperatures of 70°F in Riga, Latvia in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in August in Riga70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in August in Riga15
    15 days with some rainfall
  • 54°F minimum night-time temperature in August in Riga54
    54°F min night temperature
  • 15 hours of daylight per day in August in Riga15
    15 hours of daylight per day
  • No heat & humidity in August in Riga0
    No heat & humidity
  • 3.0 inches monthly rainfall in August in Riga3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Riga5
    5 (Moderate) UV index
  • 57°F sea temperature in August in Riga57
    57°F sea temperature

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The August 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)  |  Imperial (°F)

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How hot is it in Riga in August?

Daytime temperatures usually reach 70°F in Riga in August, falling to 54°F at night.

How sunny is it in Riga in August?

There are normally 7 hours of bright sunshine each day in Riga in August - that's 49% of daylight hours.

How warm is the sea around Riga in August?

The average sea temperature around Riga in August is 57°F.

Does it rain in Riga in August?

There are usually 15 days with some rain in Riga in August and the average monthly rainfall is 3.0 inches.

Riga August sunrise & sunset times

Browse the sunrise and sunset times for Riga in August 2026. Select a month to view Riga sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 04:22 20:36
Sunday, 16th August 2026 04:53 20:02
Monday, 31st August 2026 05:24 19:23

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