S
M
T
W
T
F
S
28
89°
78°
29
85°
78°
30
87°
78°
1
87°
77°
2
91°
76°
3
90°
77°
4
88°
77°
5
87°
75°
6
88°
77°
7
90°
75°
8
89°
77°
9
88°
76°
10
88°
77°
11
91°
77°
12
95°
77°
13
97°
77°
14
98°
79°
15
94°
80°
16
91°
79°
17
92°
78°
18
91°
79°
19
87°
78°
20
88°
77°
21
94°
77°
22
91°
76°
23
90°
75°
24
86°
76°
25
97°
76°
26
101°
77°
27
96°
77°
28
89°
79°
29
92°
75°
30
90°
74°
31
88°
76°
1
87°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lang Son
Lang Son's July 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lang Son. See also: August | September | October.