17.05
sun
sun
Day
55°F
NE 12 mph
Precip.
100%
100%
Night
48°F
N 5 mph
Precip.
82%
82%
18.05
mon
mon
Day
55°F
NE 10 mph
Precip.
100%
100%
Night
48°F
N 5 mph
Precip.
0%
0%
19.05
tue
tue
Day
59°F
N 16 mph
Precip.
89%
89%
Night
54°F
NE 11 mph
Precip.
0%
0%
20.05
wed
wed
Day
57°F
NE 17 mph
Precip.
81%
81%
Night
55°F
NE 14 mph
Precip.
100%
100%
21.05
thu
thu
Day
66°F
NE 11 mph
Precip.
0%
0%
Night
55°F
NE 4 mph
Precip.
0%
0%
22.05
fri
fri
Day
68°F
NE 6 mph
Precip.
0%
0%
Night
63°F
NW 6 mph
Precip.
0%
0%
23.05
sat
sat
Day
70°F
NE 6 mph
Precip.
0%
0%
Night
59°F
NE 9 mph
Precip.
0%
0%
24.05
sun
sun
Day
57°F
NE 23 mph
Precip.
100%
100%
Night
54°F
E 21 mph
Precip.
100%
100%
25.05
mon
mon
Day
55°F
E 18 mph
Precip.
100%
100%
Night
55°F
E 11 mph
Precip.
66%
66%
26.05
tue
tue
Day
59°F
E 16 mph
Precip.
0%
0%
Night
57°F
E 15 mph
Precip.
100%
100%
27.05
wed
wed
Day
59°F
E 11 mph
Precip.
0%
0%
Night
54°F
NE 5 mph
Precip.
49%
49%
28.05
thu
thu
Day
61°F
SE 7 mph
Precip.
0%
0%
Night
50°F
SW 9 mph
Precip.
0%
0%
29.05
fri
fri
Day
63°F
W 14 mph
Precip.
0%
0%
Night
57°F
W 11 mph
Precip.
22%
22%
30.05
sat
sat
Day
66°F
N 7 mph
Precip.
100%
100%
Night
66°F
E 3 mph
Precip.
100%
100%
sea water
temperature
temperature
| Rotterdam |
monthly
weather
weather
| Rotterdam |
current
weather
weather
| Rotterdam |
7 days
forecast
forecast
| Rotterdam |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 53.9°F. The highest and lowest sea temperatures during the month were 54.7°F and 52.9°F.
Air temperature in Rotterdam, °F
Precipitation total in Rotterdam, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rotterdam
Rotterdam on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Rotterdam
Local time: 12:26
May 17, sunday
1500
57°F
NE
12 mph
12 mph
1800
55°F
NE
7 mph
7 mph
2100
52°F
N
4 mph
4 mph
May 18, monday
0000
48°F
N
5 mph
5 mph
0300
48°F
NE
6 mph
6 mph
0600
48°F
NE
6 mph
6 mph
0900
52°F
NE
7 mph
7 mph
1200
55°F
NE
10 mph
10 mph
