What’s the climate like in San José?
The current climate of San José features average monthly temperatures ranging from highs of 29°C during the day to lows of 27°C. 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.
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.
On average, San José receives 1795 mm of precipitation each year. For comparison, London gets 701 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 good 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.
Climate Table of San José
The climate table of San José shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 28°C
- Highest temperature: 29°C in April
- Lowest temperature: 27°C in January, February, June, July, August, September, October, November and December
- Precipitation: 1795 mm per year, averaging 150 mm per month
- Driest months: 1,6 mm in February, 7,5 mm in January and 37 mm in December
- Wettest months: 287 mm in October, 284 mm in September and 273 mm in May
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Table of Contents
Average Temperature per Month in San José
This graph shows the average maximum temperatures per month in San José, Costa Rica. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in San José
This graph shows how much precipitation San José, Costa Rica, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in San José
This graph 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.
Yearly Temperature in San José
This graph shows the average yearly temperature in San José, Costa Rica. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in San José
This chart shows the total yearly precipitation in San José, Costa Rica, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
