S
M
T
W
T
F
S
26
90°
79°
27
88°
81°
28
90°
81°
29
90°
81°
30
88°
81°
1
88°
81°
2
88°
81°
3
88°
81°
4
91°
81°
5
90°
81°
6
88°
81°
7
88°
81°
8
90°
81°
9
90°
79°
10
90°
79°
11
90°
81°
12
88°
81°
13
90°
77°
14
90°
81°
15
88°
81°
16
88°
81°
17
88°
81°
18
90°
81°
19
88°
79°
20
88°
81°
21
88°
81°
22
88°
81°
23
88°
81°
24
88°
81°
25
90°
81°
26
88°
81°
27
88°
81°
28
90°
81°
29
90°
79°
30
88°
81°
31
92°
80°
1
91°
80°
2
91°
80°
3
91°
80°
4
91°
79°
5
90°
79°
6
91°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Willemstad
Willemstad's May 2026 forecast shows daily high temperatures ranging from 90° to 92°, with overnight lows between 78° and 80°. The average high for May is 91° with an average low of 79°. 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 Willemstad. See also: June | July | August.
