Mercedes Weather in January
January in Mercedes averages 32°C (90°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 103 mm (4.1 in) on average. An umbrella is a good idea.
Rainfall in Mercedes in January
You can expect rain on roughly 9 days based on historical data, averaging 103 mm (4.1 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Mercedes in January
Expect highs of 32°C (90°F) in Mercedes in January, with nights dropping to around 19°C (66°F). It's usually most comfortable outside during the morning and later in the day. 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. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.
Sunshine in Mercedes in January
There are approximately 289 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Mercedes in January
January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Mercedes. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our Mercedes's climate page.
Mercedes Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Mercedes typically stay consistent throughout January, with daily highs averaging around 32°C (90°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in January
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
Historical weather for Mercedes in January
Browse day-by-day weather records for Mercedes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mercedes historical weather extremes in January
The extremes listed below come from historical weather data collected in Mercedes from 1976 through 2025.
- The hottest January day on record in Mercedes reached 42°C (108°F) (January 14, 2022).
- The lowest daytime temperature in January was 19°C (66°F), recorded on January 30, 1991.
- Nighttime temperatures dropped to 7°C (45°F) on January 26, 2005, marking the coldest January night on record.
Best Places in Uruguay in January
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in January →
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What to Wear in Mercedes in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Mercedes in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our Mercedes's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Mercedes climate overview or explore weather in Uruguay.