Weather in San Juan in januari
Climate normals based on 10 years of historical data for San Juan, Puerto Rico.
Average high
28°C
Average low
22°C
Rainfall
54 mm
13 rainy days
Sunshine
1.9h/day
Luftfuktighet
76%
How Hot Is San Juan in januari?
The month-long average for San Juan in January is 25°C, ranging between 28°C highs and 22°C lows.
Sunshine Hours in januari
January is mostly overcast in San Juan: just 1.9h of direct sun, despite 11h of daylight.
Does It Rain In San Juan In januari?
San Juan averages a rainy day every other day in January — 54mm in total, across 13 days.
Is San Juan Humid In januari?
San Juan is sticky and humid throughout January: 76% humidity makes the heat feel relentless.
Wind In San Juan In januari
Expect a breezy January in San Juan — winds average 21 kph.
Cloud Cover In San Juan In januari
Cloudy skies dominate San Juan in January — averaging 71% cloud cover.
Cities With Similar Weather In januari
Weather in San Juan, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 28°C / 22°C | 54mm | |
| Vädret i februari | 28°C / 22°C | 61mm | Details → |
| Vädret i mars | 28°C / 22°C | 62mm | Details → |
| Vädret i april | 29°C / 23°C | 86mm | Details → |
| Vädret i maj | 30°C / 24°C | 92mm | Details → |
| Vädret i juni | 31°C / 25°C | 63mm | Details → |
| Vädret i juli | 31°C / 26°C | 89mm | Details → |
| Vädret i augusti | 31°C / 26°C | 106mm | Details → |
| Vädret i september | 31°C / 26°C | 191mm | Details → |
| Vädret i oktober | 30°C / 25°C | 148mm | Details → |
| Vädret i november | 29°C / 24°C | 146mm | Details → |
| Vädret i december | 28°C / 24°C | 76mm | Details → |