Riga, Latvia Climate & Monthly Averages
Riga has an oceanic climate. July is the hottest month, averaging 72° by day; January is the coldest at 32°.
Winter sets the pace 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.
July
72° by day 58° at nightJanuary
32° by day 24° at nightThe cold-weather pattern in numbers
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.
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.
More climate facts for Riga
- 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%
From snow season to the warmest stretch 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.
The coldest and warmest values in the dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
Planning around winter in Riga
The easier weather window
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.
Cold-weather packing
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.
Monthly highs, lows and seasonal change
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 32° | 24° | 14 | 2.1 in | 2.2 h/day | 7.4 h | 45% | 86% |
| February | 35° | 26° | 11 | 1.8 in | 4.2 h/day | 9.4 h | 39% | 84% |
| March | 42° | 29° | 11 | 1.7 in | 7.0 h/day | 11.6 h | 35% | 76% |
| April | 52° | 36° | 11 | 1.8 in | 10.1 h/day | 14.2 h | 36% | 71% |
| May | 63° | 45° | 9 | 2.1 in | 12.8 h/day | 16.5 h | 30% | 67% |
| June | 71° | 55° | 11 | 2.7 in | 13.9 h/day | 17.8 h | 37% | 69% |
| July | 72° | 58° | 15 | 3.5 in | 13.2 h/day | 17.2 h | 50% | 74% |
| August | 72° | 57° | 13 | 3.5 in | 11.4 h/day | 15.2 h | 43% | 75% |
| September | 64° | 51° | 11 | 2.5 in | 9.1 h/day | 12.7 h | 38% | 79% |
| October | 52° | 42° | 14 | 2.9 in | 5.5 h/day | 10.2 h | 45% | 82% |
| November | 42° | 35° | 13 | 2.3 in | 2.6 h/day | 8.0 h | 43% | 88% |
| December | 36° | 29° | 15 | 2.0 in | 1.7 h/day | 6.8 h | 47% | 88% |
The route from winter to summer, month by month
Each card shows the average high and low. The bar places that month between Riga's coldest night and warmest afternoon.
January
- Rain
- 14 days
- Sunshine
- 2.2 h
- Daylight
- 7.4 h
- Snow
- 8 days
February
- Rain
- 11 days
- Sunshine
- 4.2 h
- Daylight
- 9.4 h
- Snow
- 5 days
March
- Rain
- 11 days
- Sunshine
- 7.0 h
- Daylight
- 11.6 h
- Snow
- 4 days
April
- Rain
- 11 days
- Sunshine
- 10.1 h
- Daylight
- 14.2 h
- Snow
- 1 day
May
- Rain
- 9 days
- Sunshine
- 12.8 h
- Daylight
- 16.5 h
June
- Rain
- 11 days
- Sunshine
- 13.9 h
- Daylight
- 17.8 h
July
- Rain
- 15 days
- Sunshine
- 13.2 h
- Daylight
- 17.2 h
August
- Rain
- 13 days
- Sunshine
- 11.4 h
- Daylight
- 15.2 h
September
- Rain
- 11 days
- Sunshine
- 9.1 h
- Daylight
- 12.7 h
October
- Rain
- 14 days
- Sunshine
- 5.5 h
- Daylight
- 10.2 h
November
- Rain
- 13 days
- Sunshine
- 2.6 h
- Daylight
- 8.0 h
- Snow
- 4 days
December
- Rain
- 15 days
- Sunshine
- 1.7 h
- Daylight
- 6.8 h
- Snow
- 5 days
Looking for warmer alternatives? Browse warm places by month, or compare Riga's coolest part of the year: January, February, December.
Where Riga sits among other climates
- Riga averages 47°F (8°C) across the year - cooler than all but 4% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.