S
M
T
W
T
F
S
26
71°
54°
27
73°
58°
28
71°
57°
29
69°
58°
30
70°
58°
31
69°
56°
1
67°
55°
2
65°
56°
3
69°
57°
4
71°
58°
5
71°
59°
6
70°
58°
7
70°
57°
8
71°
57°
9
68°
55°
10
66°
54°
11
64°
52°
12
67°
56°
13
66°
56°
14
66°
54°
15
63°
50°
16
66°
56°
17
69°
56°
18
69°
55°
19
68°
55°
20
66°
54°
21
65°
54°
22
66°
53°
23
63°
53°
24
64°
50°
25
65°
51°
26
62°
52°
27
64°
53°
28
60°
53°
29
63°
52°
30
65°
51°
31
60°
50°
1
58°
49°
2
58°
48°
3
57°
44°
4
59°
44°
5
57°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lappeenranta
Lappeenranta's August 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 44° and 59°. The average high for August is 66° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lappeenranta. See also: September | October | November.
