Climate averages 1991–2020
Nova Iguaçu weather
in July.
A warm, fairly dry month: the coolest and the joint 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Nova Iguaçu: daytime highs average 25.3°C and nights cool to about 15.9°C. By daytime temperature it is the coolest month of the year.
Expect about 34 mm of rain on roughly 6 days, which makes July a fairly dry month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 53 min on an average July day.
The nearest other city in this atlas is Belford Roxo (5 km away). In July its highs average 25.3°C, about as warm as Nova Iguaçu, with 34 mm of rain.
Among the 448 cities listed in Brazil, Nova Iguaçu ranks joint 177th of 448 for the warmest July highs and joint 197th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Nova Iguaçu is 0.6°C warmer than that mean.
From July to August, average highs rise by 1.1°C to 26.4°C, and monthly rainfall falls from 34 mm to 32 mm.
The annual picture
July 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
Nova Iguaçu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.0°C23.1°C | 23.1°C | 235 | 20.0 | 13.413 h |
| February | 31.4°C23.2°C | 23.2°C | 170 | 16.6 | 12.913 h |
| March | 29.9°C22.5°C | 22.5°C | 171 | 19.4 | 12.212 h |
| April | 28.2°C20.8°C | 20.8°C | 85 | 12.0 | 11.612 h |
| May | 25.9°C18.1°C | 18.1°C | 58 | 9.6 | 11.011 h |
| June | 25.6°C16.6°C | 16.6°C | 34 | 5.6 | 10.811 h |
| July, selected | 25.3°C15.9°C | 15.9°C | 34 | 6.1 | 10.911 h |
| August | 26.4°C16.4°C | 16.4°C | 32 | 6.4 | 11.311 h |
| September | 27.4°C18.1°C | 18.1°C | 66 | 9.7 | 11.912 h |
| October | 28.5°C19.8°C | 19.8°C | 96 | 12.9 | 12.613 h |
| November | 28.4°C20.8°C | 20.8°C | 165 | 17.6 | 13.213 h |
| December | 30.0°C22.3°C | 22.3°C | 192 | 19.2 | 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
July in nearby cities
- Belford Roxo in JulyBrazil · 5 kmHigh 25.3°C · Low 16.3°C · 34 mm rain
- Queimados in JulyBrazil · 12 kmHigh 25.2°C · Low 15.7°C · 34 mm rain
- Duque de Caxias in JulyBrazil · 15 kmHigh 25.1°C · Low 16.1°C · 47 mm rain
- Japeri in JulyBrazil · 24 kmHigh 25.7°C · Low 16.0°C · 40 mm rain
- Seropédica in JulyBrazil · 26 kmHigh 25.1°C · Low 15.5°C · 40 mm rain
- Barra da Tijuca in JulyBrazil · 28 kmHigh 25.5°C · Low 17.0°C · 51 mm rain
- Rio de Janeiro in JulyBrazil · 32 kmHigh 24.9°C · Low 17.1°C · 51 mm rain
- Itaguaí in JulyBrazil · 35 kmHigh 24.7°C · Low 16.7°C · 40 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 Nova Iguaçu) is explained once on the Nova Iguaçu year overview and on the Sources, method and limits page.
Belford Roxo and Queimados lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.