Riga weather in December
December in Riga: freezing, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Riga · #561 of 604 destinations to visit in December · comfort 33/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Riga climate normals — December
| Daytime high | 1°C / 33°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Feels like (high) | -4°C / 25°F | |
| Rainfall | 54 mm / 2.1 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | -4°C / 25°F | |
| Sunshine | 1.4 h/day | |
| Daylight | 6.8 h | |
| Wind | 25 km/h / 15 mph | |
| Snowfall | 17.5 cm / 6.9 in | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Riga in December — FAQ
- Is December a good time to visit Riga?
- December in Riga: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Riga on SeasonMap's comfort score (33/100).
- What is the weather like in Riga in December?
- In December, Riga averages a daily high of 0.8°C and a low of -2.8°C, with about 53.7 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Riga in December?
- Riga has a mean US Air Quality Index of about 28 in December.
- Does it snow in Riga in December?
- Riga sees roughly 17.5 cm of snowfall in December.