Boa Vista weather in March

In March, Boa Vista sees average daytime highs of 33°C and overnight lows near 25°C, with 59 mm of rain across 9.2 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 13% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Boa Vista's 9th-clearest and 3rd-windiest month. For the whole year in context, see Boa Vista's year-round climate.

Daytime high
33°
1st warmest
Overnight low
25°
12th coldest
Rainfall
59 mm
9.2 wet days
Daylight
12 hours
6:13 AM – 6:12 PM
Cloud cover
71%
9th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.6 kWh/m²
Travel score
3.2
out of 10

Boa Vista is human settlement in Brazil, Roraima.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in Boa Vista reaches about 33°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How March really feels in Boa Vista

Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Boa Vista weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°346.711.93.8
Feb33° / 25°315.711.93.6
Mar33° / 25°599.2123.2
Apr32° / 24°20017.412.13.1
May30° / 24°34426.412.13.0
Jun29° / 23°31027.312.23.1
Jul29° / 23°24926.712.13.3
Aug31° / 23°15622.312.13.4
Sep32° / 24°9415.4123.5
Oct33° / 24°7112.811.93.3
Nov33° / 24°9013.611.93.2
Dec32° / 24°5810.211.83.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42971
52872
62872
72971
82872
92872
102971
112971
122971
132971
143070
153070
162971
173070
183169
193169
203169
213169
223268
233268
243268
253268
263169
273169
283169
293169
303169
312971

Chance of precipitation in March

Any precipitation

Boa Vista gets around 59 mm of rain over 9.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
123
224
324
425
526
626
727
828
928
1028
1129
1229
1329
1429
1529
1630
1730
1830
1930
2030
2130
2231
2331
2432
2533
2634
2735
2836
2937
3038
3139

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11356310
21356310
31356310
41356310
51355320
61355320
71354330
81353331
91352341
101352341
111351351
121351351
131351351
141350361
151251361
161250371
171250371
181249381
191149381
201149391
211148392
221147402
231146412
241145422
251044433
261042443
271041454
281039474
291038485
30937495
31935506

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:18 AM to 6:07 AM, and sunset from 6:14 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:186:14
211.96:176:14
311.96:176:14
411.96:176:14
512.06:176:14
612.06:166:14
712.06:166:13
812.06:166:13
912.06:156:13
1012.06:156:13
1112.06:156:13
1212.06:146:13
1312.06:146:12
1412.06:146:12
1512.06:136:12
1612.06:136:12
1712.06:136:12
1812.06:126:11
1912.06:126:11
2012.06:116:11
2112.06:116:11
2212.06:116:10
2312.06:106:10
2412.06:106:10
2512.06:096:10
2612.06:096:09
2712.06:096:09
2812.06:086:09
2912.06:086:09
3012.06:076:09
3112.06:076:08

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.6 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 5.72 kWh/m² in October across the year — March's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in March

Hazard calendar for Boa Vista

In seasonPeak

None of Boa Vista's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Boa Vista's monsoon runs April–August, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Boa Vista?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
8th-best month of the year
6.0
Beach & pool
4th-best month of the year

March is a weaker month for outdoor sightseeing in Boa Vista.

What to pack for Boa Vista in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Boa Vista sees daytime highs around 33°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Boa Vista in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boa Vista peaks around March 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 17 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 15Nov 17UV 11
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Boa Vista in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Boa Vista is worst in March — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (August, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2222 µg/m³Aug 2212 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb19Moderate
Mar23Moderate
Apr22Moderate
May15Moderate
Jun13Moderate
Jul12Moderate
Aug12Good
Sep12Good
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Boa Vista?

Boa Vista sits at 2.8°N, 60.7°W, 82 m above sea level, in Brazil. The nearest listed city is Cantá, 25 km away.

Topography around Boa Vista

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boa Vista.

Within 3 km, the terrain around Boa Vista has only modest variations in elevation — a maximum elevation change of 29 m around an average of 75 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, large variations in elevation — a maximum elevation change of 1,011 m.

The land around Boa Vista is covered by artificial surfaces (50%) within 3 km, grassland (67%) within 16 km, and grassland (56%) and trees (41%) within 80 km.

3 km
29 m
16 km
130 m
80 km
1,011 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Cantá 25 km · Mucajaí 50 km · Alto Alegre 92 km · Lethem 115 km · Caracaraí 123 km · Pacaraima 187 km · Santa Elena de Uairén 204 km · Rorainópolis 210 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Boa Vista (2.8197°, -60.6733°, elevation 82 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).