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March in Boa Vista brings very high temperatures, with daytime highs of 35°C (95°F) and nights around 25°C (77°F). Quite a bit of rainfall is expected, around 64 mm (2.5 in), so pack an umbrella.
March in Boa Vista has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Boa Vista - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Boa Vista typically stay consistent throughout March, with daily highs averaging around 35°C (95°F). Nights are warm, with lows around 25°C (77°F).
49-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 Boa Vista spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Boa Vista between 1982 and 2026, these are the recorded extremes during March.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil 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).
Get ready for hot weather in March! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Boa Vista climate overview or explore weather in Brazil.
Where to go in March - average daytime high across popular destinations.
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