The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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
Temperatures in San José, Entre Ríos, Argentina, vary greatly throughout the year. January is the hottest month at 32°C (90°F), while July is the coldest at 18°C (64°F).
Rainfall is high, totalling around 1319 mm (52 in) per year. April is the wettest month and July the driest. The city also experiences very warm summers and pleasant winters.
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
The climate in San José is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C (90°F) in January, the warmest time of the year, to a pleasant 18°C (64°F) during cooler months like July.
At night, you can expect temperatures ranging from 20°C (68°F) in January to around 7°C (45°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San José
San José has a notably wet climate with abundant precipitation, recording 1319 mm (52 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 149 mm (5.9 in) of precipitation, spread over 7 rainy days.
In contrast, the driest month July experiences a drier climate, with about 74 mm (2.9 in) of rainfall spread across 7 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
Best Time to Visit San José
Conditions in San José are generally most comfortable in May, August and September. They are typically least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
very good
Apr
very good
May
excellent
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
very good
Nov
very good
Dec
mixed
- Best overall: May, August and September
- Warmest weather: January, February and December
- Seasonal pattern: Very warm summers and pleasant winters
Frequently asked questions about the climate in San José
What is the best time to visit San José?
May, August and September typically offer the most optimal weather in San José. In contrast, January, February and December tend to have less optimal conditions. San José has very warm summers and pleasant winters.
What temperatures can I expect in San José?
Daytime highs range from 18°C (64°F) in July to 32°C (90°F) in January. Nighttime lows range from 7°C (45°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does San José get?
Annual rainfall is around 1319 mm (52 in). April is the wettest month with 149 mm (5.9 in), while July is the driest with 74 mm (2.9 in).
San José 3-Day Forecast
San José on the map
San José is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Córdoba
25°C (77°F) Mendoza
24°C (75°F) Salta
23°C (73°F) Villa Carlos Paz23°C (73°F) Buenos Aires23°C (73°F) Mar del Plata18°C (64°F) San Carlos de Bariloche11°C (52°F) San Martín de los Andes11°C (52°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Argentina in November: Where to Go for the Best Weather
Compare November weather in Mendoza, Buenos Aires, Cafayate, Bariloche and Ushuaia to find Argentina's warmest, sunniest and driest places.