18.12
thu
thu
Day
39°F
NE 5 mph
Precip.
0%
0%
Night
41°F
NE 7 mph
Precip.
0%
0%
19.12
fri
fri
Day
39°F
N 11 mph
Precip.
0%
0%
Night
37°F
N 11 mph
Precip.
0%
0%
20.12
sat
sat
Day
43°F
NE 11 mph
Precip.
0%
0%
Night
37°F
NE 6 mph
Precip.
0%
0%
21.12
sun
sun
Day
37°F
NE 6 mph
Precip.
0%
0%
Night
36°F
NE 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
36°F
N 5 mph
Precip.
23%
23%
Night
36°F
N 8 mph
Precip.
0%
0%
23.12
tue
tue
Day
37°F
NE 9 mph
Precip.
100%
100%
Night
37°F
NE 13 mph
Precip.
70%
70%
24.12
wed
wed
Day
32°F
NW 9 mph
Precip.
100%
100%
Night
27°F
S 11 mph
Precip.
73%
73%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 40.9°F. The highest and lowest sea temperatures during the month were 42.1°F and 38.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.1°F. The highest and lowest sea temperatures during the month were 37.8°F and 33.4°F.
Air temperature in Riga, °F
Precipitation total in Riga, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Riga
Riga on a weather map
Places in Latvia:
Name
°F
24 Hours Forecast
Riga
Local time: 00:44
December 18, thursday
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
December 19, friday
0000
41°F
NE
7 mph
7 mph
