Normal weather on 18 December in San José
The weather on 18 December in San José has an average temperature of about 23°C during the day. The maximum temperature can reach up to 34°C, while the minimum temperature can be 18°C.
On average, 1,8 mm of rain falls in San José on 18 December. The wind speed is 2 Beaufort and mainly comes from Southeast.
18 December Averages for San José
 Average temperature | 23°C |
 Highest daytime temperature | 34°C |
| Lowest daytime temperature | 18°C |
 Total rainfall | 1,8 mm |
| Rainy days | 1 day |
Temperature on 18 December in San José per Year
This graph shows the measured temperature on 18 December in San José per year, measured in degrees Celsius, over the past years.
Rainfall on 18 December in San José per Year
This graph shows the total measured rainfall in millimeters on 18 December in San José per year over the past years.
Average weather in San José by month
Click on a month below to see in detail how the weather typically is in San José and what to expect. Based on the historical weather data of San José, you can view the average temperature, rainfall, wind, and UV index for each day of the month.