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