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March in Montevideo averages 25°C (77°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 99 mm (3.9 in) on average. An umbrella is a good idea.
If your ideal day consists of dry skies and pleasant temperatures, January, March and December typically offer the best circumstances for Montevideo.
Pick a month to see the average temperature, rainfall and sunshine in Montevideo - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Montevideo typically stay consistent throughout March, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
The extremes listed below come from historical weather data collected in Montevideo from 1976 through 2026.
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 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).
Warm temperatures in March 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. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Montevideo climate overview or explore weather in Uruguay.
Where to go in March - average daytime high across popular destinations.
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