Climate averages 1991–2020
Santana weather
in December.
A hot, wet month: the joint 4th 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 Santana: daytime highs average 30.4°C and nights cool to about 24.3°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 105 mm of rain on roughly 19 days, which makes December a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average December day.
The nearest other city in this atlas is Macapá (15 km away). In December its highs average 30.1°C, about as warm as Santana, with 128 mm of rain.
Among the 448 cities listed in Brazil, Santana ranks joint 71st of 448 for the warmest December highs and 92nd of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Santana is 1.9°C warmer than that mean.
From December to January, average highs fall by 1.6°C to 28.8°C, and monthly rainfall rises from 105 mm to 229 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
Santana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C23.5°C | 23.5°C | 229 | 27.1 | 12.112 h |
| February | 28.3°C23.3°C | 23.3°C | 281 | 26.2 | 12.112 h |
| March | 28.4°C23.3°C | 23.3°C | 335 | 28.7 | 12.112 h |
| April | 28.4°C23.4°C | 23.4°C | 350 | 28.8 | 12.112 h |
| May | 28.6°C23.6°C | 23.6°C | 324 | 29.4 | 12.112 h |
| June | 28.9°C23.6°C | 23.6°C | 172 | 26.5 | 12.112 h |
| July | 29.3°C23.6°C | 23.6°C | 127 | 24.9 | 12.112 h |
| August | 30.4°C24.3°C | 24.3°C | 59 | 16.5 | 12.112 h |
| September | 31.5°C24.7°C | 24.7°C | 24 | 8.5 | 12.112 h |
| October | 32.3°C24.9°C | 24.9°C | 18 | 5.0 | 12.112 h |
| November | 32.0°C24.9°C | 24.9°C | 31 | 7.3 | 12.112 h |
| December, selected | 30.4°C24.3°C | 24.3°C | 105 | 19.3 | 12.112 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
- Macapá in DecemberBrazil · 15 kmHigh 30.1°C · Low 24.3°C · 128 mm rain
- Breves in DecemberBrazil · 198 kmHigh 31.6°C · Low 24.4°C · 125 mm rain
- Cametá in DecemberBrazil · 308 kmHigh 31.4°C · Low 24.6°C · 151 mm rain
- Abaetetuba in DecemberBrazil · 316 kmHigh 31.1°C · Low 24.8°C · 112 mm rain
- Barcarena in DecemberBrazil · 327 kmHigh 30.6°C · Low 25.0°C · 103 mm rain
- Belém in DecemberBrazil · 336 kmHigh 30.7°C · Low 24.9°C · 108 mm rain
- Moju in DecemberBrazil · 337 kmHigh 31.9°C · Low 24.1°C · 140 mm rain
- Ananindeua in DecemberBrazil · 345 kmHigh 31.1°C · Low 24.5°C · 143 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 Santana) is explained once on the Santana year overview and on the Sources, method and limits page.