Average climate of San Juan
The climate of San Juan has an average yearly temperature of 10°C. Throughout the year, the average monthly temperature can drop to 5°C and rise to 14°C.
Annually, about 277 mm of rain falls. This gives a good overview of how much rain to expect in San Juan. Additionally, about 31 cm of snow falls each year.
There are no best months to visit San Juan.
5 to 14°C
277 mm
31 cm
Table of contents
- Average yearly temperature: 10°C
- Highest temperature: 14°C in January and February
- Lowest temperature: 5°C in July
- Precipitation: 277 mm per year, averaging 23 mm per month
- Driest months: 13 mm in September, 19 mm in January and October
- Wettest months: 33 mm in April, 29 mm in May and 28 mm in March
- Snowfall: 31 cm per year
Climate table San Juan
The climate table for San Juan shows the average temperatures, precipitation, snowfall, and UV index per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 14 | 14 | 12 | 9 | 7 | 6 | 5 | 7 | 9 | 9 | 12 | 12 |
| Nighttime temperature (°C) | 7 | 7 | 5 | 3 | 2 | 1 | 0 | 1 | 3 | 3 | 5 | 6 |
| Precipitation (mm) | 19 | 22 | 28 | 33 | 29 | 28 | 26 | 22 | 13 | 19 | 19 | 19 |
| Snowfall (cm) | 0 | 0 | 0,1 | 1,7 | 1,5 | 7,4 | 11 | 5,7 | 1,8 | 1,1 | 0,4 | 0 |
| UV Index | 7 | 6 | 4 | 3 | 2 | 1 | 2 | 3 | 4 | 6 | 7 | 7 |
Temperature per month in San Juan
This graph shows the average high temperatures in degrees Celsius for each month in San Juan, Chile
Precipitation per month in San Juan
This graph shows the average monthly precipitation in millimeters in San Juan, Chile.
Snowfall per month in San Juan
This graph shows the average snowfall in centimeters per month in San Juan, Chile.
UV index per month in San Juan
This graph shows the average UV index per month in San Juan, Chile.
Yearly temperature in San Juan
This graph shows the average yearly temperature in San Juan, Chile, measured in degrees Celsius.
Yearly total precipitation in San Juan
This graph shows the average yearly precipitation in millimeters in San Juan, Chile.
Yearly snowfall in San Juan
This graph shows the average yearly snowfall in San Juan, Chile, measured in centimeters.
Weather experiences in San Juan
Write your own reviewHave you ever been to San Juan?
Share your weather experiences in San Juan.
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.