Costa RicaThe climate of San José
The current climate in San José features temperatures ranging from a high of 29°C to a low of 27°C throughout the year. The average yearly temperature is around 28°C. At night, temperatures in the colder months average around 19°C and in the warmer months around 20°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for San José, Costa Rica.
Temperature records
The highest temperature recorded in San José in recent years was 33°C in October 2017. The lowest daytime temperature recorded was 19°C in October 2017.
Rainfall amount
On average, San José receives 1795 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in San José runs from June to November.
Best time to visit San José?
The best time to visit San José for sunny weather is January through April and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit San José. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of San José
The climate table of San José shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Temp. min (°C) | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 |
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| Precipitation (mm) | 7,5 | 1,6 | 45 | 83 | 273 | 239 | 170 | 201 | 284 | 287 | 166 | 37 |
| UV Index | 8 | 8 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in San José, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in San José
Yearly Temperature in San José
Precipitation charts
These charts show the average amount of precipitation in San José, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in San José
Total Yearly Precipitation in San José
UV index chart
This chart shows the average UV index per month in San José, Costa Rica. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in San José
Weather experiences in San José
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Average weather in San José by month
Click on a month below to see detailed weather info for San José. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.