S
M
T
W
T
F
S
26
86°
68°
27
87°
69°
28
85°
70°
29
86°
70°
30
87°
70°
1
85°
72°
2
86°
72°
3
86°
71°
4
87°
71°
5
86°
70°
6
86°
71°
7
87°
71°
8
85°
72°
9
85°
71°
10
84°
71°
11
84°
70°
12
86°
71°
13
86°
70°
14
85°
72°
15
86°
72°
16
85°
71°
17
84°
72°
18
83°
72°
19
83°
71°
20
84°
72°
21
85°
72°
22
84°
71°
23
85°
72°
24
85°
72°
25
84°
71°
26
85°
72°
27
85°
72°
28
86°
71°
29
86°
69°
30
87°
69°
31
86°
70°
1
84°
68°
2
87°
67°
3
84°
69°
4
83°
70°
5
86°
68°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Salvador
San Salvador's May 2026 forecast shows daily high temperatures ranging from 83° to 87°, with overnight lows between 67° and 72°. The average high for May is 85° with an average low of 71°. 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 San Salvador. See also: June | July | August.
