Climate averages 1991–2020
Petrópolis weather
in April.
A warm, wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Petrópolis: daytime highs average 24.3°C and nights cool to about 17.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 105 mm of rain on roughly 14 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 35 min on an average April day.
The nearest other city in this atlas is Magé (22 km away). In April its highs average 27.4°C, 3.1°C warmer than Petrópolis, with 101 mm of rain.
Among the 448 cities listed in Brazil, Petrópolis ranks joint 403rd of 448 for the warmest April highs and joint 288th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Petrópolis is 2.7°C cooler than that mean.
From April to May, average highs fall by 2.3°C to 22.0°C, and monthly rainfall falls from 105 mm to 70 mm.
The annual picture
April 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 | 25.9°C19.0°C | 19.0°C | 244 | 22.0 | 12.212 h |
| April, selected | 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
April in nearby cities
- Magé in AprilBrazil · 22 kmHigh 27.4°C · Low 20.4°C · 101 mm rain
- Teresópolis in AprilBrazil · 23 kmHigh 23.6°C · Low 16.8°C · 119 mm rain
- Duque de Caxias in AprilBrazil · 34 kmHigh 28.1°C · Low 21.0°C · 106 mm rain
- Belford Roxo in AprilBrazil · 37 kmHigh 28.3°C · Low 21.1°C · 85 mm rain
- São Gonçalo in AprilBrazil · 38 kmHigh 27.3°C · Low 20.8°C · 101 mm rain
- Nova Iguaçu in AprilBrazil · 40 kmHigh 28.2°C · Low 20.8°C · 85 mm rain
- Itaboraí in AprilBrazil · 42 kmHigh 27.0°C · Low 20.1°C · 108 mm rain
- Três Rios in AprilBrazil · 43 kmHigh 27.4°C · Low 19.5°C · 57 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.