Climate averages 1991–2020
Pinheiro weather
in December.
A hot, moderately wet month: the 3rd warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Pinheiro: daytime highs average 32.2°C and nights cool to about 24.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 66 mm of rain on roughly 12 days, which makes December a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average December day.
The nearest other city in this atlas is São Luís (87 km away). In December its highs average 30.4°C, 1.8°C cooler than Pinheiro, with 73 mm of rain.
Among the 448 cities listed in Brazil, Pinheiro ranks joint 26th of 448 for the warmest December highs and joint 71st of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Pinheiro is 3.7°C warmer than that mean.
From December to January, average highs fall by 1.8°C to 30.4°C, and monthly rainfall rises from 66 mm to 196 mm.
The annual picture
December 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
Pinheiro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.8°C | 23.8°C | 196 | 23.3 | 12.212 h |
| February | 29.4°C23.5°C | 23.5°C | 260 | 25.5 | 12.212 h |
| March | 29.1°C23.4°C | 23.4°C | 368 | 29.8 | 12.112 h |
| April | 29.2°C23.4°C | 23.4°C | 367 | 28.7 | 12.112 h |
| May | 29.5°C23.5°C | 23.5°C | 248 | 26.3 | 12.012 h |
| June | 29.6°C23.2°C | 23.2°C | 116 | 20.2 | 12.012 h |
| July | 29.7°C23.1°C | 23.1°C | 76 | 16.2 | 12.012 h |
| August | 30.8°C23.6°C | 23.6°C | 27 | 8.4 | 12.012 h |
| September | 32.0°C24.2°C | 24.2°C | 14 | 3.6 | 12.112 h |
| October | 32.7°C24.6°C | 24.6°C | 16 | 3.6 | 12.212 h |
| November | 32.8°C24.6°C | 24.6°C | 27 | 5.5 | 12.212 h |
| December, selected | 32.2°C24.6°C | 24.6°C | 66 | 12.1 | 12.312 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
December in nearby cities
- São Luís in DecemberBrazil · 87 kmHigh 30.4°C · Low 25.5°C · 73 mm rain
- São José de Ribamar in DecemberBrazil · 114 kmHigh 29.3°C · Low 25.8°C · 75 mm rain
- Santa Inês in DecemberBrazil · 132 kmHigh 32.3°C · Low 24.5°C · 120 mm rain
- Bacabal in DecemberBrazil · 193 kmHigh 32.6°C · Low 24.5°C · 131 mm rain
- Chapadinha in DecemberBrazil · 234 kmHigh 33.8°C · Low 24.7°C · 63 mm rain
- Bragança in DecemberBrazil · 248 kmHigh 30.6°C · Low 24.4°C · 86 mm rain
- Codó in DecemberBrazil · 253 kmHigh 32.9°C · Low 24.3°C · 112 mm rain
- Paragominas in DecemberBrazil · 258 kmHigh 32.3°C · Low 23.7°C · 113 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 Pinheiro) is explained once on the Pinheiro year overview and on the Sources, method and limits page.