San José Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San José.
Climate overview of San José
San José, Mendoza Province, Argentina, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in January, while winters cool to 9°C (48°F) in July.
Rain/snowfall is high, totalling around 1258 mm (50 in) per year. February is the wettest month and July the driest. The city also experiences warm summers and cold winters. The sunniest month is January, with 10.4 hours of sunshine per day on average.
San José Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San José - and find the best time to visit.
Monthly Temperature in San José
Depending on the time of the year, temperatures range from comfortable to chilly in San José. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in January, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like July.
At night, you can expect temperatures ranging from 12°C (54°F) in January to around -3°C (27°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San José
San José has a relatively rain/snowy climate with high precipitation levels, averaging 1258 mm (50 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. February brings wetter days averaging 143 mm (5.6 in) of precipitation, spread over 7 rainy days.
In contrast, the driest month July experiences a drier climate, with about 66 mm (2.6 in) of snow/rainfall spread across 3 snowy/rainy days. For more details, please visit our San José Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in San José
Seasonal changes in sunshine hours are quite dramatic in San José. While January receives considerable daily sunshine with up to 10.4 hours, June marks the darkest time of the year, where sunshine is scarce with only 5.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in San José by Month
The relative humidity is moderate throughout the year in San José.
The city experiences its highest humidity in April, reaching 67%. In November, the humidity drops to its lowest level at 45%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit San José
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, November and December
- Warmest weather: January, February and December
- Most sunshine: January, November and December
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: July, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in San José
What is the best time to visit San José?
January, February, March, November and December typically offer the most optimal weather in San José. In contrast, June and July tend to have less optimal conditions. San José has warm summers and cold winters.
What temperatures can I expect in San José?
Daytime highs range from 9°C (48°F) in July to 25°C (77°F) in January. Nighttime lows range from -3°C (27°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does San José get?
Annual rainfall is around 1258 mm (50 in). February is the wettest month with 143 mm (5.6 in), while July is the driest with 66 mm (2.6 in).
How sunny is San José?
San José receives around 2,874 hours of sunshine per year. January is the sunniest month with 311 hours, while June is the cloudiest with just 172 hours. Overall, San José enjoys abundant sunshine.
San José 3-Day Forecast
San José on the map
San José is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Córdoba
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8°C (46°F) San Carlos de Bariloche8°C (46°F) 
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