Riga weather in August
August in Riga: nice, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Riga · #176 of 604 destinations to visit in August · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Riga climate normals — August
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 99 mm / 3.9 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 15.1 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Riga in August — FAQ
- Is August a good time to visit Riga?
- August in Riga: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Riga on SeasonMap's comfort score (86/100).
- What is the weather like in Riga in August?
- In August, Riga averages a daily high of 22°C and a low of 14.8°C, with about 99.2 mm of rain over roughly 13.6 rainy days.
- What is the air quality in Riga in August?
- Riga has a mean US Air Quality Index of about 38 in August.