Climate averages 1991–2020
Grajaú weather
in July.
A hot, very dry month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Grajaú: daytime highs average 32.5°C and nights cool to about 22.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 4.7 mm of rain on fewer than one day, which makes July a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 49 min on an average July day.
The nearest other city in this atlas is Barra do Corda (105 km away). In July its highs average 32.7°C, about as warm as Grajaú, with 6.6 mm of rain.
Among the 448 cities listed in Brazil, Grajaú ranks joint 12th of 448 for the warmest July highs and joint 56th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Grajaú is 7.7°C warmer than that mean.
From July to August, average highs rise by 1.3°C to 33.7°C, and monthly rainfall falls from 4.7 mm to 1.9 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
Grajaú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C22.6°C | 22.6°C | 172 | 24.7 | 12.412 h |
| February | 29.2°C22.6°C | 22.6°C | 177 | 24.0 | 12.312 h |
| March | 29.2°C22.6°C | 22.6°C | 188 | 26.1 | 12.112 h |
| April | 29.5°C22.6°C | 22.6°C | 132 | 20.4 | 12.012 h |
| May | 30.1°C22.3°C | 22.3°C | 64 | 10.5 | 11.912 h |
| June | 31.5°C22.1°C | 22.1°C | 8.4 | 1.6 | 11.812 h |
| July, selected | 32.5°C22.2°C | 22.2°C | 4.7 | 0.8 | 11.812 h |
| August | 33.7°C22.6°C | 22.6°C | 1.9 | 0.3 | 11.912 h |
| September | 34.4°C23.5°C | 23.5°C | 8.9 | 1.7 | 12.112 h |
| October | 33.8°C24.1°C | 24.1°C | 32 | 5.3 | 12.212 h |
| November | 32.1°C23.7°C | 23.7°C | 78 | 11.9 | 12.412 h |
| December | 30.7°C23.2°C | 23.2°C | 135 | 17.8 | 12.512 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
- Barra do Corda in JulyBrazil · 105 kmHigh 32.7°C · Low 22.5°C · 6.6 mm rain
- Imperatriz in JulyBrazil · 153 kmHigh 33.2°C · Low 23.1°C · 6.2 mm rain
- Açailândia in JulyBrazil · 180 kmHigh 31.9°C · Low 21.6°C · 8.6 mm rain
- Balsas in JulyBrazil · 191 kmHigh 32.4°C · Low 22.0°C · 1.3 mm rain
- Bacabal in JulyBrazil · 232 kmHigh 32.2°C · Low 23.4°C · 15 mm rain
- Santa Inês in JulyBrazil · 254 kmHigh 31.2°C · Low 23.1°C · 32 mm rain
- Araguaína in JulyBrazil · 275 kmHigh 32.7°C · Low 21.0°C · 2.5 mm rain
- Codó in JulyBrazil · 292 kmHigh 32.5°C · Low 23.1°C · 10 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 Grajaú) is explained once on the Grajaú year overview and on the Sources, method and limits page.