Montevideo Weather in January

January in Montevideo averages 27°C (81°F) during the day and 19°C (66°F) at night. With just 74 mm (2.9 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Montevideo in January

This month is perfect for exploring, with the driest conditions of the year. Rain is expected on roughly 11 days, totalling around 74 mm (2.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Montevideo in January

The perfect temperature in Montevideo in January makes it a solid month to visit, with 27°C (81°F) during the day and 19°C (66°F) at night. Experience the summer season in January. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Montevideo in January

Expect a lot of sunshine this month, with about 293 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Montevideo in January

Average wind conditions reach 6 m/s (12 knots) in January. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in January

With water at 24°C (75°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Montevideo.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

Montevideo Temperature in January

Min Temperature 19°C (66°F)  

Max Temperature 27°C (81°F)  

Water Temperature 24°C (75°F)  

Chance of Rain 35%  

Precipitation 74 mm (2.9 in)  

Rainy days 11 days  

Humidity 70%  

Windspeed 6 m/s (12 knots)  

Sunshine 293 hours  

Percentage Sunshine  

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Montevideo typically stay consistent throughout January, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 18°C (64°F).

Average temperatures in January

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Daily Historical Precipitation

51-year average (1976-2026)

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

Average precipitation in January

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‹ January February March April May June July August September October November December ›

Historical weather for Montevideo in January

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

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Montevideo historical weather extremes in January

Based on 49 years of weather observations in Montevideo between 1976 and 2025, these are the recorded extremes.

• The hottest January day on record in Montevideo reached 41°C (106°F) (January 14, 2022).
• The lowest daytime temperature in January was 17°C (63°F), recorded on January 15, 1992.
• Montevideo registered its coldest January night on January 6, 1999, with temperatures dropping to 9°C (48°F).

What to Wear in Montevideo 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). Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Montevideo in January

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Montevideo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Montevideo climate overview or explore weather in Uruguay.