Climate averages 1991–2020
Petrolina weather
in March.
A hot, moderately wet month: the 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Petrolina: daytime highs average 32.1°C and nights cool to about 22.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 79 mm of rain on roughly 10 days, which makes March a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average March day.
The nearest other city in this atlas is Casa Nova (58 km away). In March its highs average 31.8°C, about as warm as Petrolina, with 96 mm of rain.
Among the 448 cities listed in Brazil, Petrolina ranks 4th of 448 for the warmest March highs and joint 28th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Petrolina is 4.2°C warmer than that mean.
From March to April, average highs fall by 0.3°C to 31.9°C, and monthly rainfall falls from 79 mm to 32 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Petrolina climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.6°C23.0°C | 23.0°C | 80 | 8.7 | 12.613 h |
| February | 32.3°C22.9°C | 22.9°C | 67 | 9.5 | 12.412 h |
| March, selected | 32.1°C22.9°C | 22.9°C | 79 | 10.1 | 12.212 h |
| April | 31.9°C22.6°C | 22.6°C | 32 | 6.0 | 11.912 h |
| May | 31.0°C21.8°C | 21.8°C | 10 | 2.0 | 11.712 h |
| June | 29.5°C20.6°C | 20.6°C | 3.4 | 0.7 | 11.612 h |
| July | 29.0°C19.6°C | 19.6°C | 2.8 | 0.4 | 11.612 h |
| August | 30.1°C19.4°C | 19.4°C | 1.2 | 0.2 | 11.812 h |
| September | 32.4°C20.3°C | 20.3°C | 1.0 | 0.1 | 12.012 h |
| October | 34.0°C21.8°C | 21.8°C | 10 | 1.5 | 12.312 h |
| November | 33.8°C22.8°C | 22.8°C | 32 | 3.9 | 12.513 h |
| December | 33.4°C23.2°C | 23.2°C | 50 | 6.2 | 12.713 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Casa Nova in MarchBrazil · 58 kmHigh 31.8°C · Low 23.6°C · 96 mm rain
- Senhor do Bonfim in MarchBrazil · 123 kmHigh 29.7°C · Low 20.9°C · 79 mm rain
- Campo Formoso in MarchBrazil · 125 kmHigh 29.6°C · Low 20.9°C · 79 mm rain
- Jacobina in MarchBrazil · 198 kmHigh 29.9°C · Low 21.4°C · 74 mm rain
- Araripina in MarchBrazil · 203 kmHigh 28.5°C · Low 21.1°C · 191 mm rain
- Paulo Afonso in MarchBrazil · 251 kmHigh 33.0°C · Low 23.0°C · 39 mm rain
- Irecê in MarchBrazil · 259 kmHigh 30.1°C · Low 20.6°C · 77 mm rain
- Crato in MarchBrazil · 269 kmHigh 29.6°C · Low 22.1°C · 175 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Petrolina) is explained once on the Petrolina year overview and on the Sources, method and limits page.