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Monthly climate guide

Riga weather in August

With highs near 21°C (70°F) and lows around 13°C (56°F), August feels warm in Riga. Rainfall averages about 70 mm (some rain) and the sky is often cloudy. Daytime highs are about the same as July and 4°C warmer than September.

What stands out in August

  • Temperatures are falling — expect highs around 4°C lower by September.
  • August is Riga's second warmest month.
  • Seasonally, August counts as late summer in Riga.

Avg high

21°C

70°F

Avg low

13°C

56°F

Rainfall

70 mm

some rain

Humidity

80%

relative

Sky

64%

cloud · often cloudy

Riga weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Riga
MonthAvg highAvg lowRainHumidityCloud cover
January-2°C / 28°F-6°C / 20°F61 mm96%87%
February-2°C / 29°F-7°C / 20°F48 mm95%84%
March3°C / 37°F-4°C / 25°F41 mm89%75%
April10°C / 49°F1°C / 34°F50 mm82%63%
May16°C / 61°F7°C / 45°F53 mm79%59%
June20°C / 67°F12°C / 53°F66 mm78%64%
July21°C / 71°F14°C / 57°F80 mm81%69%
August21°C / 70°F13°C / 56°F70 mm80%64%
September17°C / 63°F10°C / 50°F62 mm84%67%
October10°C / 50°F5°C / 40°F70 mm89%74%
November5°C / 40°F1°C / 34°F64 mm94%84%
December1°C / 33°F-2°C / 28°F58 mm95%85%

What to pack for August

  • T-shirts plus a light layer for the evening
  • Comfortable trainers or sandals for long walks
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is August a good time to visit Riga?

Compare the months in the chart above to find your ideal window.

Best time to visit Riga →

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Riga in August: quick answers

Is August a good time to visit Riga?

August is a reasonable time for Riga: highs around 21°C and about 70 mm of rain, though not one of the three best months.

How warm is Riga in August?

Average highs are about 21°C (70°F) and average lows about 13°C (56°F), based on 10 years of daily data.

Does it rain a lot in Riga in August?

Riga typically gets around 70 mm of rain in August — some rain.

Figures are long-term averages for the area around Riga (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.