S
M
T
W
T
F
S
26
49°
36°
27
50°
38°
28
49°
36°
29
48°
36°
30
50°
28°
1
68°
38°
2
73°
45°
3
77°
46°
4
76°
51°
5
69°
45°
6
57°
34°
7
53°
39°
8
61°
32°
9
55°
46°
10
60°
44°
11
65°
41°
12
70°
49°
13
56°
45°
14
64°
39°
15
72°
44°
16
69°
48°
17
58°
47°
18
68°
47°
19
N/A
20
59°
47°
21
60°
47°
22
67°
45°
23
71°
52°
24
66°
48°
25
66°
47°
26
63°
45°
27
60°
46°
28
64°
46°
29
72°
47°
30
76°
50°
31
73°
49°
1
60°
45°
2
61°
46°
3
61°
49°
4
64°
53°
5
64°
53°
6
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Riga
Riga's May 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 45° and 53°. The average high for May is 65° with an average low of 48°. 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 Riga. See also: June | July | August.
