Climate averages 1991–2020
Barra do Piraí weather
in April.
A warm, moderately 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 Barra do Piraí: daytime highs average 26.8°C and nights cool to about 19.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 89 mm of rain on roughly 12 days, which makes April a moderately 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 Japeri (26 km away). In April its highs average 28.5°C, 1.8°C warmer than Barra do Piraí, with 106 mm of rain.
Among the 448 cities listed in Brazil, Barra do Piraí ranks joint 239th of 448 for the warmest April highs and joint 226th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Barra do Piraí is 0.2°C cooler than that mean.
From April to May, average highs fall by 2.3°C to 24.5°C, and monthly rainfall falls from 89 mm to 53 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
Barra do Piraí climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C21.2°C | 21.2°C | 282 | 22.0 | 13.313 h |
| February | 30.0°C21.3°C | 21.3°C | 202 | 17.7 | 12.913 h |
| March | 28.4°C20.6°C | 20.6°C | 195 | 20.5 | 12.212 h |
| April, selected | 26.8°C19.0°C | 19.0°C | 89 | 12.3 | 11.612 h |
| May | 24.5°C16.3°C | 16.3°C | 53 | 9.1 | 11.111 h |
| June | 24.2°C14.9°C | 14.9°C | 28 | 5.4 | 10.811 h |
| July | 24.0°C14.4°C | 14.4°C | 28 | 5.4 | 10.911 h |
| August | 25.3°C15.1°C | 15.1°C | 27 | 5.4 | 11.311 h |
| September | 26.4°C16.9°C | 16.9°C | 66 | 9.9 | 11.912 h |
| October | 27.3°C18.4°C | 18.4°C | 112 | 13.9 | 12.613 h |
| November | 27.0°C19.2°C | 19.2°C | 202 | 19.1 | 13.213 h |
| December | 28.5°C20.5°C | 20.5°C | 248 | 22.1 | 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
- Japeri in AprilBrazil · 26 kmHigh 28.5°C · Low 20.7°C · 106 mm rain
- Valença (Rio de Janeiro), Brazil in AprilBrazil · 28 kmHigh 25.8°C · Low 17.8°C · 95 mm rain
- Volta Redonda in AprilBrazil · 29 kmHigh 26.4°C · Low 18.2°C · 89 mm rain
- Seropédica in AprilBrazil · 33 kmHigh 27.9°C · Low 20.4°C · 106 mm rain
- Barra Mansa in AprilBrazil · 36 kmHigh 26.2°C · Low 18.1°C · 86 mm rain
- Queimados in AprilBrazil · 39 kmHigh 28.0°C · Low 20.4°C · 85 mm rain
- Itaguaí in AprilBrazil · 43 kmHigh 27.6°C · Low 21.3°C · 106 mm rain
- Nova Iguaçu in AprilBrazil · 50 kmHigh 28.2°C · Low 20.8°C · 85 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 Barra do Piraí) is explained once on the Barra do Piraí year overview and on the Sources, method and limits page.