Climate averages 1991–2020
Açailândia weather
in January.
A hot, very wet month: the 9th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Açailândia: daytime highs average 28.5°C and nights cool to about 22.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 255 mm of rain on roughly 27 days, which makes January a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average January day.
The nearest other city in this atlas is Imperatriz (64 km away). In January its highs average 29.2°C, 0.7°C warmer than Açailândia, with 207 mm of rain.
Among the 448 cities listed in Brazil, Açailândia ranks joint 227th of 448 for the warmest January highs and joint 326th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Açailândia is level with that mean.
From January to February, average highs fall by 0.3°C to 28.3°C, and monthly rainfall rises from 255 mm to 262 mm.
The annual picture
January 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
Açailândia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.5°C22.0°C | 22.0°C | 255 | 27.4 | 12.412 h |
| February | 28.3°C21.9°C | 21.9°C | 262 | 25.4 | 12.312 h |
| March | 28.2°C22.0°C | 22.0°C | 300 | 28.8 | 12.112 h |
| April | 28.4°C22.0°C | 22.0°C | 210 | 24.6 | 12.012 h |
| May | 29.1°C21.9°C | 21.9°C | 102 | 14.9 | 11.912 h |
| June | 30.6°C21.6°C | 21.6°C | 15 | 3.3 | 11.812 h |
| July | 31.9°C21.6°C | 21.6°C | 8.6 | 1.7 | 11.912 h |
| August | 33.2°C22.1°C | 22.1°C | 3.5 | 0.7 | 12.012 h |
| September | 33.6°C22.9°C | 22.9°C | 14 | 2.8 | 12.112 h |
| October | 33.0°C23.4°C | 23.4°C | 41 | 7.1 | 12.212 h |
| November | 31.5°C23.1°C | 23.1°C | 101 | 14.5 | 12.312 h |
| December | 30.0°C22.6°C | 22.6°C | 165 | 21.4 | 12.412 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
January in nearby cities
- Imperatriz in JanuaryBrazil · 64 kmHigh 29.2°C · Low 23.0°C · 207 mm rain
- Grajaú in JanuaryBrazil · 180 kmHigh 29.3°C · Low 22.6°C · 172 mm rain
- Marabá in JanuaryBrazil · 187 kmHigh 28.9°C · Low 23.0°C · 280 mm rain
- Paragominas in JanuaryBrazil · 218 kmHigh 30.4°C · Low 23.0°C · 217 mm rain
- Barra do Corda in JanuaryBrazil · 258 kmHigh 29.4°C · Low 22.8°C · 213 mm rain
- Araguaína in JanuaryBrazil · 261 kmHigh 28.9°C · Low 22.1°C · 287 mm rain
- Tailândia in JanuaryBrazil · 274 kmHigh 30.3°C · Low 23.0°C · 282 mm rain
- Tucuruí in JanuaryBrazil · 275 kmHigh 29.2°C · Low 23.8°C · 350 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 Açailândia) is explained once on the Açailândia year overview and on the Sources, method and limits page.