Overview
Riga is in Latvia. The figures below are long-term monthly averages (2014-2023), not a forecast.
- Warmest month: July, with daytime highs around 22°C.
- Coolest month: January, with daytime highs around -0°C.
- Driest month: April, about 41 mm of rain.
- Wettest month: August, about 96 mm of rain.
- Sunniest month: June, about 13.7 hr of sunshine per day.
Climate by month
| Month | Day high | Night low | Rain (mm) | Rainy days | Sun (h/day) | Humidity | Wind (km/h) |
|---|---|---|---|---|---|---|---|
| January | -0°C | -4°C | 54 mm | 14 | 2.2 | 85% | 17 km/h |
| February | 2°C | -3°C | 44 mm | 10 | 4.2 | 84% | 16 km/h |
| March | 6°C | -1°C | 45 mm | 11 | 7.1 | 76% | 15 km/h |
| April | 11°C | 3°C | 41 mm | 10 | 10.4 | 70% | 15 km/h |
| May | 17°C | 7°C | 55 mm | 10 | 12.4 | 67% | 13 km/h |
| June | 21°C | 13°C | 70 mm | 12 | 13.7 | 70% | 13 km/h |
| July | 22°C | 15°C | 79 mm | 14 | 13.4 | 74% | 13 km/h |
| August | 22°C | 14°C | 96 mm | 14 | 11.3 | 75% | 13 km/h |
| September | 17°C | 11°C | 61 mm | 11 | 9.1 | 78% | 14 km/h |
| October | 11°C | 6°C | 80 mm | 14 | 5.4 | 82% | 16 km/h |
| November | 5°C | 2°C | 55 mm | 12 | 2.6 | 87% | 15 km/h |
| December | 2°C | -2°C | 51 mm | 15 | 1.8 | 87% | 17 km/h |
Similar destinations
Data and sources
- Air climate: Open-Meteo Historical Weather API (ERA5 / ERA5-Land reanalysis), 2014-2023. CC BY 4.0 (Open-Meteo); underlying ERA5 data: Copernicus licence
- Sea temperature: not available for this destination.
- Last updated October 8, 2026.