Riga, Latvia Weather
Riga hourly forecast: next 24 hours
Today's high of 69°F (20°C) is about 5°F (3°C) above the typical September high of 64°F (18°C).
Current conditions in detail
Riga weather tomorrow (Thursday, September 17)
Tomorrow in Riga looks patchy rain nearby, with a high of 64° and an overnight low of 53°. There is a 62% chance of rain - plan accordingly. Winds top out near 13 mph, and the UV index reaches 2 (low).
Riga 14-day forecast
About the weather in Riga
Riga spends most of the year cold. July, the warmest month, averages 72°F (22°C) by day - a figure many cities in our dataset pass in early spring - while January holds at 32°F (0°C) with 148 wet days a year across the whole calendar.
Riga weather: quick facts
- Hottest month: July - highs near 72°F (22°C)
- Coldest month: January - highs near 32°F (0°C)
- Decade extremes (2015-2024): 93°F (34°C) high · -12°F (-24°C) low
- Wettest month: August (13 rainy days) · Sunniest: June (13.9 h sun/day)
- Climate type: oceanic
- Annual swing: 21°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 28 days a year
- Months with freezing average lows: 4
- Average humidity: 78%
Temperatures through the year
July is the warm end of the year, averaging 72°F (22°C) by day and 58°F (15°C) overnight. January sits at the other end of the year: 32°F (0°C) by day, 24°F (-4°C) at night. Snow falls on roughly 28 days a year, mostly October through April.
Rain, sun and snow
Sunshine averages 7.8 hours a day over the year - duller than about 87% of the cities we track, peaking in June at 13.9 hours. August is the wettest month at 3.5 inches (89 mm) over 13 days; March is the driest. The gridded 2015-2024 daily record for this location tops out at 93°F (34°C) and bottoms at -12°F (-24°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Through spring, Riga stays firmly cold: 52°F (11°C) by day, 37°F (3°C) after dark, and rain falls on around 31 of the 90 days, plus about 5 snowy days.
Summer (June through August)
Summer settles into easy warmth here - highs near 72°F (22°C), nights near 57°F (14°C), and rain falls on around 40 of the 90 days. Daylight is generous - around 12.8 hours of sun a day.
Fall (September through November)
Fall is brisk and cold here - highs near 53°F (11°C), nights near 43°F (6°C), and rain falls on around 38 of the 90 days, plus about 4 snowy days.
Winter (December through February)
Through winter, Riga brings deep cold: 34°F (1°C) by day, 26°F (-3°C) after dark, and rain falls on around 39 of the 90 days, plus about 18 snowy days. Sun is scarce, averaging 2.7 hours a day. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Riga by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 24° | 14 | 2.1 in | 2.2 h/day | 86% |
| February | 35° | 26° | 11 | 1.8 in | 4.2 h/day | 84% |
| March | 42° | 29° | 11 | 1.7 in | 7.0 h/day | 76% |
| April | 52° | 36° | 11 | 1.8 in | 10.1 h/day | 71% |
| May | 63° | 45° | 9 | 2.1 in | 12.8 h/day | 67% |
| June | 71° | 55° | 11 | 2.7 in | 13.9 h/day | 69% |
| July | 72° | 58° | 15 | 3.5 in | 13.2 h/day | 74% |
| August | 72° | 57° | 13 | 3.5 in | 11.4 h/day | 75% |
| September | 64° | 51° | 11 | 2.5 in | 9.1 h/day | 79% |
| October | 52° | 42° | 14 | 2.9 in | 5.5 h/day | 82% |
| November | 42° | 35° | 13 | 2.3 in | 2.6 h/day | 88% |
| December | 36° | 29° | 15 | 2.0 in | 1.7 h/day | 88% |