ArgentinaAverage weather for San Luis in January
It's hot in January in San Luis with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 34°C. At night, you can expect temperatures between 17°C and 20°C.
Start of January
The month of January starts in San Luis with hot temps, averaging around 31°C during the day and nights around 18°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid January
By mid-January, daytime temps rise to around 32°C, with nights around 19°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers.
End of January
By the end of January, the average daytime temperature in San Luis is around 32°C, while nighttime temps are about 19°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended.
In January, there is an average of 136 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
San Luis in January |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 5°C | |
 Max. temperature |
34°C | 11°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
136 mm | 97 mm | |
| Rainy days |
14 days | 12 days | |
December
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit San Luis?
Looking for sun? January isn’t a good month to be in San Luis. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 43°C in 2023, San Luis reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 18°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 26°C.
Check out the climate of San Luis for all months and discover the best travel time
Curious about the weather in other parts of Argentina? Check out the climate and weather for spots like Buenos Aires, Patagonia, Ushuaia, or explore other destinations in Argentina.
Daily Temperature in January in San Luis
This chart shows the average daily high and low temperatures in January for San Luis, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in San Luis
The chart below shows the average daily precipitation in January for San Luis, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 14 days of precipitation in San Luis.
Daily UV index in January in San Luis
This chart shows the average daily UV index in January in San Luis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in San Luis over the years
This chart shows the average temperature in January in San Luis, measured in degrees Celsius, over the past few years.
Total precipitation in January in San Luis over the years
This chart shows the average precipitation in January in San Luis, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for San Luis
Click on any day in January to get detailed info about the usual weather on that day in San Luis. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in San Luis
Have you been to San Luis in January?
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Average weather in San Luis by month
Click on a month below to see detailed weather info for San Luis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
