S
M
T
W
T
F
S
29
33°
6°
30
26°
17°
31
27°
10°
1
31°
-1°
2
35°
24°
3
37°
20°
4
42°
25°
5
35°
11°
6
29°
6°
7
29°
9°
8
29°
13°
9
37°
8°
10
42°
21°
11
45°
18°
12
41°
31°
13
39°
28°
14
48°
26°
15
49°
18°
16
18°
10°
17
19°
16°
18
34°
10°
19
39°
14°
20
54°
27°
21
61°
30°
22
57°
41°
23
53°
31°
24
41°
27°
25
35°
25°
26
36°
24°
27
40°
26°
28
41°
27°
29
45°
30°
30
44°
30°
1
44°
28°
2
47°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Reykjavik
Reykjavik's April 2026 forecast shows daily high temperatures ranging from 35° to 61°, with overnight lows between 24° and 41°. The average high for April is 46° with an average low of 29°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Reykjavik. See also: May | June | July.
