Riga Weather in August
In August, Riga averages a high of 22°C (71°F) and a low of 12°C (54°F), based on 45 years of historical weather data from RIGA.
22°C
Average high
71°F
12°C
Average low
54°F
33°C
Record high
92°F · 2002
0°C
Record low
32°F · 2026
What to Expect in Riga in August
Typical August days in Riga reach 22°C (71°F) during the afternoon and cool to around 12°C (54°F) overnight. On average, measurable rain falls on about 48% of days this month. Over the past 45 years, August temperatures in Riga have ranged from a record high of 33°C (2002) down to a record low of 0°C (2026).
For a day-by-day look or other months, see the full Riga weather history.