Measurements:
°C
°F
Riga
36°F
SW 6 mph
Feels like: 32°F
Precip: 0%
World Resorts Latvia Riga Weather

Riga Sea Water Temperature

Current Sea Water Temperature:
+37.8°F
Maximum Sea Water Temperature in April: 50.0°F
Minimum Sea Water Temperature in April: 26.8°F
Average water temperature in April: 37.5°F

Sea Water Temperature for the Last 10 Days:

April 09 37.8°F April 04 35.8°F
April 08 36.4°F April 03 37.8°F
April 07 35.4°F April 02 33.4°F
April 06 37.2°F April 01 28.6°F
April 05 35.2°F March 31 33.8°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 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 +36
Daugavpils +36
Jurmala +36
Kuldiga +36
Liepaja +36
Madona +36
Rezekne +34
Riga +36
Saldus +36
Saulkrasti +36
Ventspils +36
24 Hours Weather Forecast
Riga
Local time: 10:16
10 apr, friday
1200 42°F
S
8 mph
1500 44°F
S
10 mph
1800 44°F
S
8 mph
2100 38°F
SW
6 mph
11 apr, saturday
0000 34°F
SW
6 mph
0300 32°F
W
5 mph
0600 30°F
W
5 mph
0900 38°F
SW
7 mph