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Merlo Weather in January

Thinking of visiting Merlo in January? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 16°C (61°F) at night, and be prepared for the wettest month of the year.

Rainfall in Merlo in January

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Historically, approximately 12 days this month are expected to have rain, averaging 128 mm (5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Merlo in January

January in Merlo brings high temperatures, with highs of 28°C (82°F) and nights around 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the warmest month of the year.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, August, September and October typically offer the best weather for Merlo.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Argentina, check out our Merlo's climate page.

Merlo Temperature in January

Min TemperatureMin Temperature 16°C (61°F)  
Max TemperatureMax Temperature 28°C (82°F)  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 128 mm (5 in)  
Rainy daysRainy days 12 days  

Daily Historical Temperatures

49-year average (1976-2026)

Based on our historical records, temperatures in Merlo typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 18°C (64°F).

Average temperatures in January

Daily Historical Precipitation

49-year average (1976-2026)

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

Average precipitation in January

Historical weather for Merlo in January

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

Merlo historical weather extremes in January

Based on 26 years of weather observations (1999-2025), these are the most extreme conditions recorded in Merlo.

  • On January 22, 2014, temperatures climbed to 42°C (108°F), marking the warmest January day on record.
  • The coldest January day was on January 31, 2005, with a maximum of 17°C (63°F).
  • The lowest overnight temperature recorded in January was 8°C (46°F) (January 18, 2019).

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Merlo in January

Warm but pleasant conditions in Merlo in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.

What To Do in Merlo in January

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

Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Argentina, check out our Merlo's climate page.

More climate data for Merlo