Riga, Latvia Climate & Monthly Averages

Latvia 🇱🇻 · oceanic climate
Annual avg
47°
Hottest month
July
Coldest month
January
Rainy days / yr
148
Sunshine
7.8 h/day
Right now: 56° and overcast - see live conditions

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

Monthly averages for Riga based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
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%

Riga month by month

Average high and low for each month, with the bar showing where it sits in Riga's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
32°24°
Rain
14 days
Sunshine
2.2 h
Daylight
7.4 h
Snow
8 days

February

35°26°
Rain
11 days
Sunshine
4.2 h
Daylight
9.4 h
Snow
5 days

March

Driest
42°29°
Rain
11 days
Sunshine
7.0 h
Daylight
11.6 h
Snow
4 days

April

52°36°
Rain
11 days
Sunshine
10.1 h
Daylight
14.2 h
Snow
1 day

May

63°45°
Rain
9 days
Sunshine
12.8 h
Daylight
16.5 h

June

Sunniest
71°55°
Rain
11 days
Sunshine
13.9 h
Daylight
17.8 h

July

Hottest
72°58°
Rain
15 days
Sunshine
13.2 h
Daylight
17.2 h

August

Wettest
72°57°
Rain
13 days
Sunshine
11.4 h
Daylight
15.2 h

September

64°51°
Rain
11 days
Sunshine
9.1 h
Daylight
12.7 h

October

52°42°
Rain
14 days
Sunshine
5.5 h
Daylight
10.2 h

November

42°35°
Rain
13 days
Sunshine
2.6 h
Daylight
8.0 h
Snow
4 days

December

36°29°
Rain
15 days
Sunshine
1.7 h
Daylight
6.8 h
Snow
5 days

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?
Relative humidity averages 78% across the year, which reads as very humid. The most comfortable stretch falls in the drier half of the year.
How many rainy days does Riga get in a year?
About 148 days bring measurable precipitation, totalling 29.0 inches (736 mm). That works out at roughly 5.0 mm on an average wet day.
Are nights cold in Riga?
By about 7°C on an average day - a narrower day-to-night gap than most of the 3496 cities we track. In July that means 72°F (22°C) down to 58°F (15°C).
Is Riga hot in summer?
July averages 72°F (22°C). Summers here stay temperate rather than hot.
How warm is Riga on average?
47°F (8°C) across all twelve months - about 53°F (12°C) by day and 41°F (5°C) after dark.

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)

Highest recorded
93°
in July
Lowest recorded
-12°
in February
Annual precipitation
29.0"
Snowy days / yr
28

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.