Current sea water temperature:
+40.8°F
| Minimum sea water temperature in December: | 46.0°F |
| Maximum sea water temperature in December: | 33.8°F |
| Average sea water temperature in December: | 39.4°F |
| more information | |
14 days
forecast
forecast
| Riga |
monthly
weather
weather
| Riga |
Sea water temperature for the last 10 days:
| December 17 | 40.8°F | December 12 | 41.2°F |
| December 16 | 41.2°F | December 11 | 38.7°F |
| December 15 | 41.5°F | December 10 | 40.1°F |
| December 14 | 41.7°F | December 9 | 40.3°F |
| December 13 | 42.1°F | December 8 | 40.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Riga?
Based on the data about daily sea water temperature for the last three years the warmest sea in Riga was noticed in August, July and September.
Monthly Sea Temperatures in Riga, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.1°F. The highest and lowest sea temperatures during the month were 72.3°F and 62.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.3°F. The highest and lowest sea temperatures during the month were 73.0°F and 58.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.1°F. The highest and lowest sea temperatures during the month were 65.3°F and 58.3°F.
current
weather
weather
| Riga |
weather in
December
December
| Riga |
Best time for vacation in Riga
Riga on a weather map
Places in Latvia:
Name
°F
24 Hours Forecast
Riga
Local time: 21:08
December 18, thursday
0000
36°F
NE
6 mph
6 mph
0300
37°F
E
6 mph
6 mph
0600
37°F
E
6 mph
6 mph
0900
36°F
NE
5 mph
5 mph
1200
39°F
NE
5 mph
5 mph
1500
39°F
N
6 mph
6 mph
1800
39°F
N
6 mph
6 mph
2100
41°F
N
7 mph
7 mph
