Normal weather in San Juan in January
The weather in San Juan in January has an average temperature of around 14°C during the day. On average, January sees 19 mm of rain in San Juan. The wind speed is 6 Beaufort and mainly comes from West.
After December, January in San Juan starts with a temperature of 13°C and ends around February at 14°C.
January averages for San Juan
Average temperature | 14°C |
Highest daytime temperature | 17°C |
Lowest daytime temperature | 11°C |
Total rainfall | 19 mm |
Rainy days | 11 days |
Temperature per day in January in San Juan
This graph shows the average daily maximum temperatures in January in San Juan, indicated in degrees Celsius.
Precipitation per day in January in San Juan
This graph shows the average daily precipitation in January in San Juan, indicated in millimeters.
UV index per day in January in San Juan
This graph shows the average daily UV index in January in San Juan.
Yearly temperature in January in San Juan
This graph shows the average yearly temperature in January in San Juan, measured in degrees Celsius, over the past years.
Yearly total precipitation in January in San Juan
This graph shows the average yearly precipitation in millimeters in January in San Juan, over the past years.
Average daily weather in January
Click on a day to get more information about the average weather on that day.
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Average weather in San Juan per month
Click on a month below to see in detail how the weather typically is in San Juan and what to expect. Based on the historical weather data of San Juan, you can view the average temperature, precipitation, wind, and UV index for each day of the month.