Measurements:
°C
°F
Riga
38°F
SE 5 mph
Feels like: 32°F
Precip: 0%
World Resorts Latvia Riga Weather

Riga Sea Water Temperature

Current Sea Water Temperature:
+44.0°F
Maximum Sea Water Temperature in May: 65.4°F
Minimum Sea Water Temperature in May: 39.6°F
Average water temperature in May: 48.7°F

Sea Water Temperature for the Last 10 Days:

April 30 44.0°F April 25 44.2°F
April 29 43.4°F April 24 43.0°F
April 28 43.2°F April 23 42.6°F
April 27 42.8°F April 22 41.4°F
April 26 43.2°F April 21 40.0°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 +34
Daugavpils +40
Jurmala +38
Kuldiga +38
Liepaja +40
Madona +34
Rezekne +36
Riga +38
Saldus +36
Saulkrasti +38
Ventspils +40
24 Hours Weather Forecast
Riga
Local time: 04:42
01 may, friday
0600 38°F
SE
5 mph
0900 46°F
SE
6 mph
1200 52°F
SE
6 mph
1500 58°F
SE
6 mph
1800 58°F
S
3 mph
2100 52°F
NW
1 mph
02 may, saturday
0000 48°F
NE
6 mph
0300 44°F
NE
7 mph