Boa Vista weather in April

In April, Boa Vista sees average daytime highs of 32°C and overnight lows near 24°C, with 200 mm of rain across 17.4 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 8% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 12 h 06 min by month's end. Set against the rest of the year, April is Boa Vista's 11th-clearest and 5th-windiest month. For the whole year in context, see Boa Vista's year-round climate.

Daytime high
32°
8th warmest
Overnight low
24°
8th coldest
Rainfall
200 mm
17.4 wet days
Daylight
12 h 06 min
6:01 AM – 6:05 PM
Cloud cover
78%
11th clearest
Wind
8 km/h
5th windiest
Solar energy
4.78 kWh/m²
Travel score
3.1
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical April day in Boa Vista reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93225
103225
113225
123225
133224
143224
153224
163224
173224
183224
193224
203224
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How April really feels in Boa Vista

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Boa Vista weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 4th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22872
32872
42872
52674
62674
72575
82476
92476
102377
112179
122179
132179
142080
152080
162080
172080
182080
192080
202080
212080
222080
232080
241981
251981
261981
271981
281981
291981
301981

Chance of precipitation in April

Any precipitation

Boa Vista gets around 200 mm of rain over 17.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
140
241
342
443
544
645
746
847
949
1050
1152
1253
1355
1456
1558
1660
1762
1863
1965
2066
2167
2268
2369
2470
2571
2672
2773
2874
2975
3076

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1934516
2933517
3832537
4831538
5730549
6730549
76295510
86285511
95275711
105255812
114245913
124235914
133216115
143206116
153186118
162176219
172156221
182146222
191126423
201116424
211106326
22196426
23186427
24176428
25176329
26066529
27066430
28056530
29056431
30056431

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over April. Sunrise moves from 6:07 AM to 5:57 AM, and sunset from 6:08 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:076:08
212.06:066:08
312.06:066:08
412.06:056:07
512.06:056:07
612.06:056:07
712.06:046:07
812.06:046:06
912.06:046:06
1012.06:036:06
1112.06:036:06
1212.16:026:06
1312.16:026:05
1412.16:026:05
1512.16:016:05
1612.16:016:05
1712.16:016:05
1812.16:006:04
1912.16:006:04
2012.16:006:04
2112.15:596:04
2212.15:596:04
2312.15:596:04
2412.15:596:04
2512.15:586:03
2612.15:586:03
2712.15:586:03
2812.15:586:03
2912.15:576:03
3012.15:576:03

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.78 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 — April's 4.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
Planning a trip in April

Hazard calendar for Boa Vista

In seasonPeak

In April, Boa Vista sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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 April a good time to visit Boa Vista?

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

3.1
Sightseeing
10th-best month of the year
5.0
Beach & pool
8th-best month of the year

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

What to pack for Boa Vista in April

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

In April, Boa Vista sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Boa Vista in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).