Normal weather on 18 January in San Juan
The weather on 18 January in San Juan has an average temperature of about 17°C during the day. The maximum temperature can reach up to 24°C, while the minimum temperature can be 12°C.
On average, 0,5 mm of rain falls in San Juan on 18 January. The wind speed is 7 Beaufort and mainly comes from Southwest.
18 January Averages for San Juan
 Average temperature | 17°C |
 Highest daytime temperature | 24°C |
| Lowest daytime temperature | 12°C |
 Total rainfall | 0,5 mm |
| Rainy days | 1 day |
Temperature on 18 January in San Juan per Year
This graph shows the measured temperature on 18 January in San Juan per year, measured in degrees Celsius, over the past years.
Precipitation on 18 January in San Juan per Year
This graph shows the total measured precipitation in millimeters on 18 January in San Juan per year over the past years.
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.