San Juan weather in January 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun
29 December
+28°+24°
30 December
+28°+24°
31 December
+28°+24°
1 January
+28°+24°
2 January
+28°+23°
3 January
+28°+23°
4 January
+28°+23°
5 January
+28°+24°
6 January
+28°+24°
7 January
+28°+24°
8 January
+28°+24°
9 January
+28°+23°
10 January
+28°+23°
11 January
+28°+23°
12 January
+28°+23°
13 January
+28°+23°
14 January
+27°+23°
15 January
+28°+23°
16 January
+28°+23°
17 January
+28°+23°
18 January
+28°+23°
19 January
+28°+23°
20 January
+28°+23°
21 January
+28°+23°
22 January
+28°+23°
23 January
+28°+23°
24 January
+28°+23°
25 January
+28°+23°
26 January
+28°+23°
27 January
+28°+23°
28 January
+28°+23°
29 January
+28°+23°
30 January
+28°+23°
31 January
+28°+23°
1 February
+27°+23°
* weather forecast is calculated based on historical data over the past 70 years

January in San Juan

Max. temperature +30.6°C
Min. temperature +18.6°C
Monthly precipitation 84.63mm
Wind speed 17.1m/s
  • Max. temp…
  • Min. temp…

Forecast in other regions

San Juan
+31°
Bayamon
+30°
Carolina
+31°
Ponce
+31°
Guaynabo
+31°
Arecibo
+32°
Caguas
+29°
Mayaguez
+30°
Aguadilla
+30°
Cabo Rojo
+30°
Cidra
+29°
Fajardo
+30°
Catano
+31°
Guayama
+31°
Humacao
+30°
Yauco
+31°
Cayey
+29°
Rio Grande
+29°
Dorado
+31°
Isabela
+31°
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