S
M
T
W
T
F
S
29
44°
16°
30
52°
21°
31
38°
18°
1
49°
26°
2
46°
28°
3
41°
20°
4
N/A
5
30°
17°
6
48°
27°
7
57°
34°
8
47°
29°
9
53°
28°
10
44°
20°
11
42°
19°
12
47°
10°
13
43°
18°
14
53°
31°
15
48°
29°
16
47°
28°
17
53°
28°
18
56°
30°
19
57°
24°
20
44°
18°
21
42°
18°
22
43°
25°
23
43°
19°
24
44°
19°
25
45°
21°
26
46°
21°
27
50°
27°
28
52°
26°
29
57°
35°
30
61°
25°
1
48°
24°
2
47°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Ulan Bator
Ulan Bator's April 2026 forecast shows daily high temperatures ranging from 30° to 61°, with overnight lows between 10° and 35°. The average high for April is 48° with an average low of 24°. 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 Ulan Bator. See also: May | June | July.