Climate averages 1991–2020
Grajaú weather
in April.
A hot, wet month: the 9th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Grajaú: daytime highs average 29.5°C and nights cool to about 22.6°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 132 mm of rain on roughly 20 days, which makes April a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average April day.
The nearest other city in this atlas is Barra do Corda (105 km away). In April its highs average 29.3°C, about as warm as Grajaú, with 162 mm of rain.
Among the 448 cities listed in Brazil, Grajaú ranks joint 45th of 448 for the warmest April highs and joint 350th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Grajaú is 2.5°C warmer than that mean.
From April to May, average highs rise by 0.6°C to 30.1°C, and monthly rainfall falls from 132 mm to 64 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
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, selected | 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 | 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
April in nearby cities
- Barra do Corda in AprilBrazil · 105 kmHigh 29.3°C · Low 22.8°C · 162 mm rain
- Imperatriz in AprilBrazil · 153 kmHigh 29.4°C · Low 23.1°C · 150 mm rain
- Açailândia in AprilBrazil · 180 kmHigh 28.4°C · Low 22.0°C · 210 mm rain
- Balsas in AprilBrazil · 191 kmHigh 29.9°C · Low 22.3°C · 110 mm rain
- Bacabal in AprilBrazil · 232 kmHigh 29.6°C · Low 23.3°C · 265 mm rain
- Santa Inês in AprilBrazil · 254 kmHigh 29.4°C · Low 23.4°C · 310 mm rain
- Araguaína in AprilBrazil · 275 kmHigh 29.5°C · Low 22.2°C · 198 mm rain
- Codó in AprilBrazil · 292 kmHigh 29.4°C · Low 22.9°C · 263 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.