S
M
T
W
T
F
S
26
67°
40°
27
75°
39°
28
70°
49°
29
68°
48°
30
59°
46°
1
61°
41°
2
56°
37°
3
57°
36°
4
73°
44°
5
85°
55°
6
62°
45°
7
58°
40°
8
57°
40°
9
56°
39°
10
66°
49°
11
61°
41°
12
62°
37°
13
60°
44°
14
60°
49°
15
67°
47°
16
80°
43°
17
86°
58°
18
92°
57°
19
91°
71°
20
81°
56°
21
62°
50°
22
65°
43°
23
61°
48°
24
55°
48°
25
73°
54°
26
87°
61°
27
83°
55°
28
69°
51°
29
70°
54°
30
63°
43°
31
67°
48°
1
69°
49°
2
73°
51°
3
77°
55°
4
79°
57°
5
81°
59°
6
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rotterdam
Rotterdam's May 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 43° and 61°. The average high for May is 75° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Rotterdam. See also: June | July | August.
