18.05
mon
mon
Day
59°F
SW 10 mph
Precip.
0%
0%
Night
50°F
SW 14 mph
Precip.
100%
100%
19.05
tue
tue
Day
66°F
N 9 mph
Precip.
100%
100%
Night
46°F
NE 13 mph
Precip.
73%
73%
20.05
wed
wed
Day
57°F
E 6 mph
Precip.
0%
0%
Night
50°F
SW 3 mph
Precip.
0%
0%
21.05
thu
thu
Day
59°F
NE 7 mph
Precip.
0%
0%
Night
48°F
NE 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
57°F
NE 12 mph
Precip.
86%
86%
Night
48°F
SE 8 mph
Precip.
0%
0%
23.05
sat
sat
Day
61°F
E 9 mph
Precip.
0%
0%
Night
50°F
NE 6 mph
Precip.
0%
0%
24.05
sun
sun
Day
59°F
NE 14 mph
Precip.
100%
100%
Night
50°F
SE 12 mph
Precip.
0%
0%
25.05
mon
mon
Day
59°F
S 14 mph
Precip.
0%
0%
Night
46°F
S 6 mph
Precip.
0%
0%
26.05
tue
tue
Day
59°F
S 8 mph
Precip.
0%
0%
Night
50°F
W 5 mph
Precip.
0%
0%
27.05
wed
wed
Day
59°F
NE 7 mph
Precip.
0%
0%
Night
52°F
N 5 mph
Precip.
0%
0%
28.05
thu
thu
Day
54°F
E 14 mph
Precip.
83%
83%
Night
45°F
E 9 mph
Precip.
0%
0%
29.05
fri
fri
Day
57°F
E 9 mph
Precip.
88%
88%
Night
46°F
NE 4 mph
Precip.
0%
0%
30.05
sat
sat
Day
59°F
N 4 mph
Precip.
0%
0%
Night
50°F
N 7 mph
Precip.
100%
100%
31.05
sun
sun
Day
50°F
NE 16 mph
Precip.
79%
79%
Night
50°F
N 9 mph
Precip.
60%
60%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 48.0°F. The highest and lowest sea temperatures during the month were 54.0°F and 41.2°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 61.0°F. The highest and lowest sea temperatures during the month were 63.1°F and 58.8°F.
Air temperature in Parnu, °F
Precipitation total in Parnu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Parnu
Parnu on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Parnu
Local time: 16:02
May 18, monday
1800
48°F
SW
11 mph
11 mph
2100
48°F
SW
13 mph
13 mph
May 19, tuesday
0000
50°F
SW
14 mph
14 mph
0300
52°F
SW
9 mph
9 mph
0600
52°F
W
6 mph
6 mph
0900
59°F
NW
7 mph
7 mph
1200
66°F
N
9 mph
9 mph
1500
59°F
NE
7 mph
7 mph
