Boa Vista weather in March
In March, Boa Vista has daytime highs averaging 33 °C, nights around 25 °C, with 8.4 wet days. Figures are 1991–2020 climate normals.
- 33.0°C Average high
- 24.6°C Average low
- 8.4days Wet days
- 63mm Rainfall
- 12h Daylight
Daily temperatures through March
How March develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 March | 33.0 °C | 24.6 °C | 23 % |
| 11–20 March | 33.1 °C | 24.6 °C | 27 % |
| 21–31 March | 33.0 °C | 24.6 °C | 30 % |
- Rain is most likely over days 21–31 of March (30 % of days) and least likely over days 1–10 (23 %).
What to expect
| Measure | Typical March | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 28 of 31 | 91 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 8.4 of 31 | 27 % |
Conditions in March
| Measure | Average |
|---|---|
| Mean temperature | 28 °C |
| Record high (1991–2020) | 38 °C |
| Record low (1991–2020) | 21 °C |
| Relative humidity | 63 % |
| Wind speed | 16 km/h |
| Cloud cover | 72 % |
Where Boa Vista ranks in March
| Ranking | Position | Value |
|---|---|---|
| The warmest places in South America in March | 10th of 50 | 33 °C |
March compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 32.2 °C | 34 mm | 68 % |
| February | 32.6 °C | 31 mm | 70 % |
| March | 33.0 °C | 63 mm | 72 % |
| April | 31.1 °C | 202 mm | 80 % |
| May | 28.9 °C | 352 mm | 85 % |
See all twelve months for Boa Vista
- March is the warmest month in Boa Vista.
- It is the 4th driest month of the year.
- It ranks 8th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 8.4 of 31 days — 27 % of the month.
- Nights are about 8.4 °C cooler than the middle of the day.
- The hottest March day on record since 1991 reached 38 °C, 4.5 °C above the usual daytime high.
QuestionsMarch in Boa Vista, answered
How warm is Boa Vista in March?
Daily highs average 33 °C and nights fall to about 25 °C, a spread of 8.4 °C between afternoon and dawn. That makes March the 1st warmest month of the year here.
Does it rain much in Boa Vista in March?
March averages 63 mm of rain, spread over about 8 of the 31 days — 27 % of the month. Cloud cover averages 72 % of the sky.
How long are the days in March?
Boa Vista averages 12 hours between sunrise and sunset in March. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.