San Rafael Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Rafael.
Climate overview of San Rafael
The climate in San Rafael, Mendoza Province, Argentina, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in January to 15°C (59°F) in July.
With around 509 mm (20 in) of annual rain/snowfall, the city has moderate precipitation levels. October is the wettest month and July the driest. It also has a distinct dry season from May to September. Sunshine peaks in January, when the city sees around 10.8 hours of sunshine per day.
San Rafael Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Rafael — and find the best time to visit.
Monthly Temperature in San Rafael
In San Rafael, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in January to a moderate 15°C (59°F) in the coolest month, July.
Nights vary from 17°C (63°F) in January to around 1°C (34°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Rafael
On average, San Rafael receives a reasonable amount of rain/snowfall, with an annual precipitation of 509 mm (20 in). The climate in San Rafael shows significant variation throughout the year. Expect moderate rainfall in October, the wettest month, with an average of 62 mm (2.4 in) of precipitation over 4 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 19 mm (0.7 in) of rainfall over 2 rainy days. For more details, please visit our San Rafael 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 Rafael
For those who appreciate different seasons, San Rafael serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 10.8 hours of sunshine daily, and embrace the darker days in June, offering only 5.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in San Rafael by Month
The relative humidity is moderate throughout the year in San Rafael.
The city experiences its highest humidity in May, reaching 67%. In December, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in San Rafael
The mean wind speed varies between 1 m/s (2 knots) and 1 m/s (2 knots) throughout the year. It is lowest in January, February, March, April, May, June, July, August, September, October, November and December and highest during January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit San Rafael
Frequently asked questions about the climate in San Rafael
What is the best time to visit San Rafael?
March, April, August, September, October and November typically offer the most optimal weather in San Rafael. In contrast, January, February and December tend to have less optimal conditions. San Rafael has a distinct dry season from May to September.
What temperatures can I expect in San Rafael?
Daytime highs range from 15°C (59°F) in July to 32°C (90°F) in January. Nighttime lows range from 1°C (34°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does San Rafael get?
Annual rainfall is around 509 mm (20 in). October is the wettest month with 62 mm (2.4 in), while July is the driest with 19 mm (0.7 in).
How sunny is San Rafael?
San Rafael receives around 2,845 hours of sunshine per year. January is the sunniest month with 323 hours, while June is the cloudiest with just 155 hours. Overall, San Rafael enjoys abundant sunshine.
San Rafael 3-Day Forecast
San Rafael 3-Day Forecast
San Rafael on the map
San Rafael is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Córdoba
18°C (64°F) Salta
17°C (63°F) Buenos Aires16°C (61°F) Villa Carlos Paz16°C (61°F) Mendoza14°C (57°F) Mar del Plata13°C (55°F) San Carlos de Bariloche
4°C (39°F) San Martín de los Andes4°C (39°F) 
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