Riga, Latvia Climate & Monthly Averages
The climate of 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.
Climate 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.
How Riga compares
- Riga averages 47°F (8°C) across the year - cooler than all but 4% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| 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% |
Riga month by month
Riga weather in January
January brings highs around 32°F (0°C), lows near 24°F (-4°C), about 14 wet days and roughly 8 snowy days - typically the coldest month of the year in Riga.
Riga weather in February
February brings highs around 35°F (2°C), lows near 26°F (-3°C), about 11 wet days and roughly 5 snowy days.
Riga weather in March
March brings highs around 42°F (6°C), lows near 29°F (-1°C), about 11 wet days and roughly 4 snowy days - typically the driest month of the year in Riga.
Riga weather in April
April brings highs around 52°F (11°C), lows near 36°F (2°C), about 11 wet days and roughly 1 snowy days.
Riga weather in May
May brings highs around 63°F (17°C), lows near 45°F (7°C), about 9 wet days.
Riga weather in June
June brings highs around 71°F (22°C), lows near 55°F (13°C), about 11 wet days - typically the sunniest month of the year in Riga.
Riga weather in July
July brings highs around 72°F (22°C), lows near 58°F (15°C), about 15 wet days - typically the hottest month of the year in Riga.
Riga weather in August
August brings highs around 72°F (22°C), lows near 57°F (14°C), about 13 wet days - typically the wettest month of the year in Riga.
Riga weather in September
September brings highs around 64°F (18°C), lows near 51°F (11°C), about 11 wet days.
Riga weather in October
October brings highs around 52°F (11°C), lows near 42°F (6°C), about 14 wet days.
Riga weather in November
November brings highs around 42°F (6°C), lows near 35°F (2°C), about 13 wet days and roughly 4 snowy days.
Riga weather in December
December brings highs around 36°F (2°C), lows near 29°F (-2°C), about 15 wet days and roughly 5 snowy days.
Seasons in Riga
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.
Climate questions, answered
How humid does Riga get?
How many rainy days does Riga get in a year?
Are nights cold in Riga?
Is Riga hot in summer?
How warm is Riga on average?
Best time to visit Riga
April to June and September is the sweet spot for Riga - these are the warmest and brightest weeks of the year. Expect 63°F (17°C) in the afternoon and around 11 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in April.
Pack for Riga with a heavy insulated coat, hat and gloves for winter and proper waterproofs rather than an umbrella - wet days are the norm here. July nights average 58°F (15°C), so evenings rarely match the afternoons.
Riga temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.