18.05
mon
mon
Day
50°F
SW 9 mph
Precip.
0%
0%
Night
48°F
SW 16 mph
Precip.
100%
100%
19.05
tue
tue
Day
63°F
NW 8 mph
Precip.
89%
89%
Night
50°F
N 12 mph
Precip.
0%
0%
20.05
wed
wed
Day
54°F
E 11 mph
Precip.
0%
0%
Night
46°F
NE 2 mph
Precip.
0%
0%
21.05
thu
thu
Day
59°F
N 3 mph
Precip.
0%
0%
Night
48°F
NE 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
55°F
E 14 mph
Precip.
70%
70%
Night
50°F
E 17 mph
Precip.
0%
0%
23.05
sat
sat
Day
55°F
E 12 mph
Precip.
0%
0%
Night
54°F
NE 9 mph
Precip.
0%
0%
24.05
sun
sun
Day
50°F
E 15 mph
Precip.
0%
0%
Night
50°F
SE 14 mph
Precip.
0%
0%
25.05
mon
mon
Day
52°F
S 14 mph
Precip.
0%
0%
Night
48°F
S 6 mph
Precip.
0%
0%
26.05
tue
tue
Day
52°F
SW 7 mph
Precip.
0%
0%
Night
46°F
SW 2 mph
Precip.
0%
0%
27.05
wed
wed
Day
59°F
S 3 mph
Precip.
0%
0%
Night
52°F
N 7 mph
Precip.
0%
0%
28.05
thu
thu
Day
52°F
E 14 mph
Precip.
0%
0%
Night
46°F
E 15 mph
Precip.
0%
0%
29.05
fri
fri
Day
52°F
E 10 mph
Precip.
0%
0%
Night
45°F
NE 6 mph
Precip.
0%
0%
30.05
sat
sat
Day
57°F
N 6 mph
Precip.
0%
0%
Night
50°F
W 10 mph
Precip.
100%
100%
31.05
sun
sun
Day
54°F
N 16 mph
Precip.
100%
100%
Night
50°F
N 7 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 42.7°F. The highest and lowest sea temperatures during the month were 44.8°F and 39.0°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 54.6°F. The highest and lowest sea temperatures during the month were 57.9°F and 51.3°F.
Air temperature in Tallinn, °F
Precipitation total in Tallinn, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tallinn
Tallinn on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Tallinn
Local time: 17:24
May 18, monday
1800
50°F
W
7 mph
7 mph
2100
48°F
SW
11 mph
11 mph
May 19, tuesday
0000
48°F
SW
16 mph
16 mph
0300
46°F
SW
14 mph
14 mph
0600
48°F
SW
11 mph
11 mph
0900
54°F
W
9 mph
9 mph
1200
63°F
NW
8 mph
8 mph
1500
66°F
NW
9 mph
9 mph
