Average data for 10 years
1 December
Monday
+22°
+13°
2 December
Tuesday
+22°
+13°
3 December
Wednesday
+22°
+13°
4 December
Thursday
+23°
+13°
5 December
Friday
+23°
+13°
6 December
Saturday
+23°
+13°
7 December
Sunday
+23°
+13°
8 December
Monday
+23°
+14°
9 December
Tuesday
+23°
+13°
10 December
Wednesday
+25°
+13°
11 December
Thursday
+24°
+15°
12 December
Friday
+23°
+14°
13 December
Saturday
+24°
+13°
14 December
Sunday
+24°
+14°
15 December
Monday
+24°
+15°
16 December
Tuesday
+25°
+15°
17 December
Wednesday
+25°
+15°
18 December
Thursday
+25°
+15°
19 December
Friday
+25°
+15°
20 December
Saturday
+24°
+15°
21 December
Sunday
+24°
+15°
22 December
Monday
+25°
+15°
23 December
Tuesday
+25°
+15°
24 December
Wednesday
+25°
+16°
25 December
Thursday
+25°
+15°
26 December
Friday
+26°
+15°
27 December
Saturday
+26°
+16°
28 December
Sunday
+25°
+16°
29 December
Monday
+26°
+16°
30 December
Tuesday
+25°
+16°
31 December
Wednesday
+25°
+16°
Cities with similar weather in December
Mexico
Cancun
Dominican Republic
Boca Chica
Cuba
Holguin
Cuba
Santiago de Cuba
Cameroon
Yaoundé
In December, the weather in San Juan is typically warm. Average daily high temperature in December is about 24 degrees above zero. On average, San Juan has 17 rainy, 12 sunny, and 2 partly cloudy days in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit San Juan.