Climate averages 1991–2020
Petrópolis weather
in March.
A warm, very wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Petrópolis: daytime highs average 25.9°C and nights cool to about 19.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 244 mm of rain on roughly 22 days, which makes March a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average March day.
The nearest other city in this atlas is Magé (22 km away). In March its highs average 29.0°C, 3.1°C warmer than Petrópolis, with 205 mm of rain.
Among the 448 cities listed in Brazil, Petrópolis ranks joint 388th of 448 for the warmest March highs and 388th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Petrópolis is 2.0°C cooler than that mean.
From March to April, average highs fall by 1.6°C to 24.3°C, and monthly rainfall falls from 244 mm to 105 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
Petrópolis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C19.6°C | 19.6°C | 315 | 22.9 | 13.313 h |
| February | 27.3°C19.6°C | 19.6°C | 233 | 18.5 | 12.913 h |
| March, selected | 25.9°C19.0°C | 19.0°C | 244 | 22.0 | 12.212 h |
| April | 24.3°C17.4°C | 17.4°C | 105 | 14.0 | 11.612 h |
| May | 22.0°C14.8°C | 14.8°C | 70 | 10.9 | 11.111 h |
| June | 21.6°C13.6°C | 13.6°C | 41 | 7.0 | 10.811 h |
| July | 21.4°C13.0°C | 13.0°C | 39 | 6.6 | 10.911 h |
| August | 22.5°C13.5°C | 13.5°C | 42 | 7.2 | 11.311 h |
| September | 23.8°C15.1°C | 15.1°C | 88 | 10.8 | 11.912 h |
| October | 24.8°C16.7°C | 16.7°C | 137 | 15.1 | 12.613 h |
| November | 24.6°C17.5°C | 17.5°C | 252 | 20.0 | 13.213 h |
| December | 26.1°C18.9°C | 18.9°C | 295 | 23.2 | 13.513 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
- Magé in MarchBrazil · 22 kmHigh 29.0°C · Low 22.1°C · 205 mm rain
- Teresópolis in MarchBrazil · 23 kmHigh 25.2°C · Low 18.4°C · 259 mm rain
- Duque de Caxias in MarchBrazil · 34 kmHigh 29.7°C · Low 22.6°C · 216 mm rain
- Belford Roxo in MarchBrazil · 37 kmHigh 29.9°C · Low 22.7°C · 171 mm rain
- São Gonçalo in MarchBrazil · 38 kmHigh 29.0°C · Low 22.4°C · 205 mm rain
- Nova Iguaçu in MarchBrazil · 40 kmHigh 29.9°C · Low 22.5°C · 171 mm rain
- Itaboraí in MarchBrazil · 42 kmHigh 28.6°C · Low 21.8°C · 220 mm rain
- Três Rios in MarchBrazil · 43 kmHigh 28.9°C · Low 21.0°C · 148 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 Petrópolis) is explained once on the Petrópolis year overview and on the Sources, method and limits page.