Measurements:
°C
°F
Riga
68°F
S 7 mph
Feels like: 68°F
Precip: 7%
World Resorts Latvia Riga Weather

Riga Sea Water Temperature

Current Sea Water Temperature:
+69.4°F
Maximum Sea Water Temperature in August: 77.2°F
Minimum Sea Water Temperature in August: 51.6°F
Average water temperature in August: 68.4°F

Sea Water Temperature for the Last 10 Days:

August 19 69.4°F August 14 69.2°F
August 18 68.8°F August 13 69.0°F
August 17 70.2°F August 12 70.0°F
August 16 70.6°F August 11 71.0°F
August 15 71.0°F August 10 70.6°F

When is the Warmest Sea for Riga?

According to our data for the last three years for Riga the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Riga was 70.6°F. The maximum and minimum values were 68.8°F and 72.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Riga was 69.7°F. The maximum and minimum values were 65.4°F and 74.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Riga was 63.5°F. The maximum and minimum values were 59.2°F and 67.0°F respectively.

Best Time to Visit Riga
The most sunny months:
May 14 days
June 12 days
July 12 days
The most warm months:
July 73.8 °F
August 72.8 °F
June 69.4 °F
Warmest sea temperature:
August 68.3 °F
July 67.1 °F
September 62.7 °F
The most cold months:
January 26.7 °F
February 28.7 °F
December 32.9 °F
The most rainy months:
July 5 days
August 4 days
October 4 days
The most windy months:
December 11 mph
January 11 mph
October 10 mph

Riga on the Weather Map

Latvia Resorts:
NAME
Cesis +70
Daugavpils +66
Jurmala +68
Kuldiga +70
Liepaja +66
Madona +68
Rezekne +64
Riga +68
Saldus +70
Saulkrasti +68
Ventspils +64
24 Hours Weather Forecast
Riga
Local time: 15:36
19 aug, wednesday
1800 66°F
N
2 mph
2100 62°F
NE
7 mph
20 aug, thursday
0000 58°F
N
7 mph
0300 56°F
N
7 mph
0600 56°F
N
9 mph
0900 60°F
NE
12 mph
1200 62°F
NE
16 mph
1500 68°F
NE
16 mph