Las Grutas
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Las Grutas Weather in January

Las Grutas in January sees high daytime temperatures of 30°C (86°F) and nighttime lows of 18°C (64°F). Low rainfall is typical, with around 21 mm (0.8 in) for the month.

Rainfall in Las Grutas in January

Analyzing past climate data, one can expect approximately 3 days of rain, averaging 21 mm (0.8 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Las Grutas in January

January is one of the better months to visit Las Grutas. Expect 30°C (86°F) during the day and 18°C (64°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Wind Speed in Las Grutas in January

Wind speeds average 5 m/s (10 knots) during January. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in January

The water temperature is 18°C (64°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

January in Las Grutas can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Las Grutas Temperature in January

Min Temperature
18°C (64°F)
Max Temperature
30°C (86°F)
Water Temperature
18°C (64°F) *
Chance of Rain
11%
Precipitation
21 mm (0.8 in)
Rainy days
3 days
Humidity
47% *
Windspeed
5 m/s (10 knots) *
* Data from: San Antonio, Argentina (14 KM, 8 Miles).

Las Grutas Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Las Grutas - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2026)

Based on our historical records, temperatures in Las Grutas typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows around 18°C (64°F).

Average temperatures in January

Daily Historical Precipitation

50-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Las Grutas in January

Browse day-by-day weather records for Las Grutas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Las Grutas historical weather extremes in January

Based on 31 years of weather observations in Las Grutas between 1994 and 2025, these are the recorded extremes.

  • The warmest day in January was on January 8, 2023, with a maximum of 43°C (109°F).
  • The lowest daytime temperature in January was 16°C (61°F), recorded on January 30, 2005.
  • The coldest night in January in Las Grutas was on January 11, 2008, with a minimum of 8°C (46°F).

Best Places in Argentina in January

Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Las Grutas in January

Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. The water temperature sits at about 18°C (64°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water.

What To Do in Las Grutas in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Las Grutas 3-Day Forecast

More climate data for Las Grutas

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.