S
M
T
W
T
F
S
26
67°
53°
27
67°
57°
28
68°
57°
29
68°
56°
30
69°
53°
1
67°
51°
2
67°
53°
3
68°
54°
4
69°
58°
5
70°
56°
6
69°
56°
7
69°
57°
8
70°
58°
9
71°
58°
10
71°
59°
11
72°
59°
12
72°
60°
13
73°
60°
14
72°
59°
15
72°
60°
16
73°
61°
17
75°
60°
18
78°
60°
19
80°
58°
20
78°
58°
21
77°
59°
22
78°
62°
23
80°
62°
24
83°
61°
25
83°
63°
26
82°
63°
27
83°
62°
28
83°
63°
29
82°
64°
30
83°
63°
31
82°
65°
1
84°
64°
2
85°
64°
3
84°
63°
4
85°
64°
5
85°
64°
6
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Datca
Datca's May 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 51° and 65°. The average high for May is 76° with an average low of 60°. 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 Datca. See also: June | July | August.