Average data for 10 years
1 May
Wednesday
+34°
+27°
2 May
Thursday
+34°
+28°
3 May
Friday
+33°
+28°
4 May
Saturday
+33°
+27°
5 May
Sunday
+33°
+28°
6 May
Monday
+33°
+28°
7 May
Tuesday
+34°
+28°
8 May
Wednesday
+33°
+28°
9 May
Thursday
+33°
+27°
10 May
Friday
+32°
+27°
11 May
Saturday
+32°
+27°
12 May
Sunday
+32°
+26°
13 May
Monday
+31°
+26°
14 May
Tuesday
+32°
+27°
15 May
Wednesday
+33°
+27°
16 May
Thursday
+32°
+28°
17 May
Friday
+30°
+26°
18 May
Saturday
+31°
+26°
19 May
Sunday
+31°
+27°
20 May
Monday
+30°
+26°
21 May
Tuesday
+32°
+27°
22 May
Wednesday
+31°
+27°
23 May
Thursday
+31°
+26°
24 May
Friday
+30°
+26°
25 May
Saturday
+30°
+25°
26 May
Sunday
+31°
+26°
27 May
Monday
+30°
+26°
28 May
Tuesday
+30°
+26°
29 May
Wednesday
+30°
+26°
30 May
Thursday
+30°
+26°
31 May
Friday
+31°
+26°
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In May, the weather in Vientiane is typically hot. Average daily high temperature in May is about 32 degrees above zero. On average, Vientiane has 28 rainy, 2 cloudy, and 1 sunny day in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Vientiane.