Average climate of San Juan
The climate of San Juan has an average yearly temperature of 27°C. Throughout the year, the average monthly temperature can drop to 26°C and rise to 28°C.
Annually, about 1796 mm of rain falls. This gives a good overview of how much rain to expect in San Juan.
- Average yearly temperature: 27°C
- Highest temperature: 28°C in March, April and May
- Lowest temperature: 26°C in January, November and December
- Precipitation: 1796 mm per year, averaging 150 mm per month
- Driest months: 1,2 mm in February, 5,2 mm in January and 36 mm in December
- Wettest months: 291 mm in October, 287 mm in September and 272 mm in May
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Climate table San Juan
The climate table for San Juan shows the average temperatures, precipitation, and UV index per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 |
| Nighttime temperature (°C) | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 |
| Precipitation (mm) | 5,2 | 1,2 | 44 | 79 | 272 | 234 | 172 | 205 | 287 | 291 | 169 | 36 |
| UV Index | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Temperature per month in San Juan
This graph shows the average high temperatures in degrees Celsius for each month in San Juan
Precipitation per month in San Juan
This graph shows the average monthly precipitation in millimeters in San Juan.
UV index per month in San Juan
This graph shows the average UV index per month in San Juan.
Yearly temperature in San Juan
This graph shows the average yearly temperature in San Juan, measured in degrees Celsius.
Yearly total precipitation in San Juan
This graph shows the average yearly precipitation in millimeters 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.