Measurements:
°C
°F
Riga
78°F
NE 4 mph
Feels like: 80°F
Precip: 5%
World Resorts Latvia Riga Weather

Riga Sea Water Temperature

Current Sea Water Temperature:
+68.8°F
Maximum Sea Water Temperature in July: 77.6°F
Minimum Sea Water Temperature in July: 46.0°F
Average water temperature in July: 67.1°F

Sea Water Temperature for the Last 10 Days:

July 30 68.8°F July 25 70.4°F
July 29 68.2°F July 24 69.2°F
July 28 68.6°F July 23 67.0°F
July 27 68.4°F July 22 67.8°F
July 26 68.6°F July 21 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Riga was 67.8°F. The maximum and minimum values were 63.8°F and 74.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Riga was 69.6°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 +76
Daugavpils +76
Jurmala +76
Kuldiga +80
Liepaja +72
Madona +76
Rezekne +72
Riga +78
Saldus +78
Saulkrasti +72
Ventspils +68
24 Hours Weather Forecast
Riga
Local time: 12:52
30 jul, thursday
1500 82°F
E
2 mph
1800 84°F
SE
1 mph
2100 76°F
N
4 mph
31 jul, friday
0000 70°F
N
6 mph
0300 66°F
N
7 mph
0600 66°F
N
9 mph
0900 74°F
N
11 mph
1200 84°F
N
14 mph