Mercedes Weather in March
Mercedes in March averages 28°C (82°F) during the day and 17°C (63°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Mercedes in March
The climate data from previous years indicates about 9 days of rain, averaging 114 mm (4.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Mercedes in March
Daytime highs in Mercedes in March reach 28°C (82°F), with nights around 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Mercedes in March
There are approximately 234 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Mercedes in March
Average wind speeds reach 3 m/s (6 knots) in March, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.Should you favor a climate that's both dry and comfortably warm, May and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 March
Min Temperature
17°C (63°F)
Max Temperature
28°C (82°F)
Chance of Rain
31%
Precipitation
114 mm (4.5 in)
Rainy days
9 days
Humidity
72%
Windspeed
3 m/s (6 knots)
Sunshine
234 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mercedes typically stay consistent throughout March, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Mercedes in March
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 March
Based on weather observations in Mercedes between 1976 and 2026, these are the recorded extremes during March.
- On March 11, 2023, temperatures climbed to 40°C (104°F), marking the warmest March day on record.
- The lowest daytime temperature in March was 16°C (61°F), recorded on March 27, 2012.
- Nighttime temperatures dropped to 4°C (39°F) on March 31, 2022, marking the coldest March night on record.
Best Places in Uruguay in March
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in March →
perfect weather
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What to Wear in Mercedes in March
Warm weather calls for comfortable, breathable clothing in March. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mercedes in March
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.
