S
M
T
W
T
F
S
26
86°
68°
27
85°
66°
28
86°
64°
29
89°
67°
30
89°
70°
1
85°
69°
2
88°
67°
3
88°
67°
4
85°
68°
5
84°
68°
6
88°
68°
7
88°
68°
8
88°
69°
9
89°
69°
10
88°
71°
11
88°
70°
12
85°
71°
13
86°
70°
14
88°
72°
15
86°
72°
16
85°
68°
17
81°
68°
18
82°
67°
19
81°
67°
20
79°
66°
21
79°
66°
22
82°
65°
23
81°
65°
24
80°
64°
25
79°
65°
26
80°
65°
27
79°
65°
28
81°
66°
29
75°
67°
30
74°
68°
31
75°
67°
1
76°
68°
2
74°
68°
3
74°
67°
4
73°
68°
5
74°
68°
6
76°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heredia
Heredia's May 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 64° and 68°. The average high for May is 78° with an average low of 67°. 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 Heredia. See also: June | July | August.
