Measurements:
°C
°F
Riga
20°F
SW 12 mph
Feels like: 6°F
Precip: 100%
World Resorts Latvia Riga Weather

Riga Sea Water Temperature

Current Sea Water Temperature:
+33.6°F
Maximum Sea Water Temperature in January: 39.4°F
Minimum Sea Water Temperature in January: 27.6°F
Average water temperature in January: 33.2°F

Sea Water Temperature for the Last 10 Days:

January 10 33.6°F January 05 34.2°F
January 09 33.8°F January 04 36.4°F
January 08 34.4°F January 03 36.0°F
January 07 34.6°F January 02 36.2°F
January 06 34.2°F January 01 36.6°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Riga was 67.0°F. The maximum and minimum values were 59.2°F and 75.6°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 13 days
July 13 days
The most warm months:
July 74.0 °F
August 72.8 °F
June 69.4 °F
Warmest sea temperature:
August 68.3 °F
July 66.9 °F
September 62.7 °F
The most cold months:
January 27.4 °F
February 29.3 °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 +14
Daugavpils +8
Jurmala +22
Kuldiga +20
Liepaja +22
Madona +10
Rezekne +8
Riga +20
Saldus +18
Saulkrasti +18
Ventspils +24
24 Hours Weather Forecast
Riga
Local time: 22:28
11 jan, sunday
0000 18°F
SW
9 mph
0300 20°F
S
14 mph
0600 20°F
S
14 mph
0900 20°F
S
14 mph
1200 22°F
S
12 mph
1500 22°F
S
13 mph
1800 22°F
S
12 mph
2100 22°F
S
12 mph