7-day weather forecast for Boa Vista
7-day weather forecast for Boa Vista: 37°C, Mainly clear, Humidity 38%, Wind 14 km/h.
Boa Vista sits at 2.8° north latitude, in the equatorial belt, 83 m above sea level, in the America/Boa_Vista time zone. Over the week ahead highs range from 34° to 37° and lows from 25° to 28°, averaging 31°.
Forecast rainfall totals 9 mm, and 1 of the seven days carry a chance above 50%. Today the sun rises at 05:46 and sets at 17:49: 12:03 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Light drizzle | 37° | 28° | 71% | 17 km/h | 9 |
| Tomorrow | Light drizzle | 36° | 26° | 37% | 15 km/h | 9 |
| Mon, Oct 19 | Rain showers | 35° | 26° | 50% | 15 km/h | 9 |
| Tue, Oct 20 | Light drizzle | 34° | 25° | 41% | 11 km/h | 9 |
| Wed, Oct 21 | Overcast | 36° | 26° | 25% | 15 km/h | 9 |
| Thu, Oct 22 | Overcast | 37° | 26° | 20% | 14 km/h | 9 |
| Fri, Oct 23 | Overcast | 35° | 26° | 14% | 17 km/h | 10 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Boa Vista month by month
The table gathers the 2016-2025 climate normals for Boa Vista: average highs and lows, total rainfall and number of rainy days for each month of the year.
Boa Vista has an annual mean temperature of 27.8°. The warmest month is March, when highs sit around 33.5°; the coldest is July, with average lows of 22.9°. The 10.6° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 2,267 mm a year, spread over roughly 214 rainy days. The wettest month is May, averaging 441.6 mm across 29 days; the driest is February, with 49.3 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 32.6° | 24.3° | 58.5 mm | 8 |
| February | 33.1° | 24.6° | 49.3 mm | 8 |
| March | 33.5° | 24.9° | 86.8 mm | 10 |
| April | 31.7° | 24.4° | 215.2 mm | 18 |
| May | 29.3° | 23.6° | 441.6 mm | 29 |
| June | 29° | 23.1° | 377.7 mm | 28 |
| July | 29.1° | 22.9° | 340.1 mm | 29 |
| August | 30.5° | 23.4° | 200.3 mm | 22 |
| September | 32.1° | 24.1° | 133.4 mm | 17 |
| October | 32.7° | 24.4° | 118.5 mm | 15 |
| November | 32.2° | 24.5° | 143.6 mm | 15 |
| December | 31.8° | 24.4° | 102.1 mm | 15 |
When to visit Boa Vista
For travellers who plan around the weather, May–July tend to be the most comfortable stretch: average highs between 29° and 29.3° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 32.6° and lows near 24.3°, with about 58.5 mm of rain over 8 days.
- In February, highs sit near 33.1° and lows near 24.6°, with about 49.3 mm of rain over 8 days.
- In March, highs sit near 33.5° and lows near 24.9°, with about 86.8 mm of rain over 10 days.
- In April, highs sit near 31.7° and lows near 24.4°, with about 215.2 mm of rain over 18 days.
- In May, highs sit near 29.3° and lows near 23.6°, with about 441.6 mm of rain over 29 days.
- In June, highs sit near 29° and lows near 23.1°, with about 377.7 mm of rain over 28 days.
- In July, highs sit near 29.1° and lows near 22.9°, with about 340.1 mm of rain over 29 days.
- In August, highs sit near 30.5° and lows near 23.4°, with about 200.3 mm of rain over 22 days.
- In September, highs sit near 32.1° and lows near 24.1°, with about 133.4 mm of rain over 17 days.
- In October, highs sit near 32.7° and lows near 24.4°, with about 118.5 mm of rain over 15 days.
- In November, highs sit near 32.2° and lows near 24.5°, with about 143.6 mm of rain over 15 days.
- In December, highs sit near 31.8° and lows near 24.4°, with about 102.1 mm of rain over 15 days.
Recorded extremes
Across 2016-2025, the thermometer reached 39.3° at the top of the series and fell to 20.9° at the bottom. These are observed values, not averages: they show what the city has actually faced.
Normals computed from the ERA5 reanalysis (Copernicus/ECMWF), 2016-2025 series.
FAQ
What is the temperature in Boa Vista right now?
It is 37°C in Boa Vista right now, with mainly clear. It feels like 40°C.
Will it rain in Boa Vista today?
The peak chance of rain today is 71%, with about 0.7 mm expected.
What will the weather be tomorrow in Boa Vista?
Tomorrow the high is 36° and the low 26°, with light drizzle.
Where does the data come from and how often is it updated?
Data comes from the ECMWF, GFS and ICON models and national weather services via Open-Meteo, updated every 15 minutes.
What is the warmest month in Boa Vista?
The warmest month is March, with average highs of 33.5° and lows of 24.9°.
Does it rain a lot in Boa Vista?
The city gets about 2,267 mm a year over 214 rainy days. The wettest month is May, with 441.6 mm.
When is the best time to visit Boa Vista?
On weather grounds, May–July combine the most agreeable temperatures with below-average rainfall.