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Boa Vista weather

Roraima · 419,652 inhabitants · Thursday, October 29 · updated 16:11

Air: Poor Heatwave risk · 10 d Low storm risk · Wed, Thu

39°

Partly cloudy

Feels like 41°C

Wind

18 km/h

Gusts

23 km/h

Humidity

20 %

Pressure

1004 hPa

Clouds

63 %

Storm

Rise 05:45 Set 17:47 Day 12 h 1 min UV 10 · Very high

Morning, afternoon, evening

Trend

Afternoon

Partly cloudy

39°38°

Feels like 41°

Wind ↑ E 18 km/h

Humidity 20 %

Evening

Partly cloudy

33°32°

Feels like 38°

Wind ↑ ENE 14 km/h

Gusts 33 km/h

Humidity 35 %

17:00

39°

E 18

Boa Vista forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +5.5° warmer than usual

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Boa Vista climate: what a normal year looks like

The thermometer moves little from one season to the next: typical afternoon highs range from 29 °C in July to 34 °C in March, and the coolest nights (July) average 23 °C.

A normal year brings roughly 1,820 mm of rain — more than 85% of the towns of 20,000+ people we compared it with.

The wet season is concentrated from May to July, which brings 53% of the annual total; May by itself averages 366 mm.

Forecast highs for the coming week average 38 °C, 5 °C warmer than a normal October (33 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	33 °C	25 °C	38 mm
Feb	33 °C	25 °C	35 mm
Mar	34 °C	25 °C	64 mm
Apr	32 °C	24 °C	201 mm
May	30 °C	24 °C	366 mm
Jun	30 °C	23 °C	330 mm
Jul	29 °C	23 °C	272 mm
Aug	31 °C	23 °C	172 mm
Sep	32 °C	24 °C	104 mm
Oct	33 °C	24 °C	80 mm
Nov	33 °C	24 °C	97 mm
Dec	33 °C	24 °C	65 mm
Whole year	32 °C	24 °C	1,820 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 2.82° N, 60.67° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Boa Vista: pollution and pollen

4/6

Poor

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.529µg/m³

PM1030µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Boa Vista

Rain observed over the last two hours by official weather radars around Boa Vista, followed by the radar forecast for the next hour where the weather service provides one.

Full-screen rain radar and next-hour rain on RainAtlas

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Boa Vista yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Boa Vista

Waning gibbous

87 % illuminated · 18.3 days

Rise 17:06 Set 04:54

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/Boa_Vista); phase and lit fraction from a synodic calculation.

Look up a past day in Boa Vista

Curious about the weather in Boa Vista on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Boa Vista weather at a glance

This page gathers everything about the weather in Boa Vista, Roraima: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 39 °C (feels like 41 °C) and the wind blows at 18 km/h.

Expected range today: 30 °C to 39 °C and a dry sky; keep an eye on thunderstorms; it will be very hot. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Boa Vista weather data for developers

Use the Boa Vista forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations