Climate averages 1991–2020
Porto Seguro weather
in December.
A hot, wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Porto Seguro: daytime highs average 28.8°C and nights cool to about 23.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 110 mm of rain on roughly 14 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 05 min on an average December day.
The nearest other city in this atlas is Eunápolis (56 km away). In December its highs average 29.4°C, 0.6°C warmer than Porto Seguro, with 114 mm of rain.
Among the 448 cities listed in Brazil, Porto Seguro ranks joint 192nd of 448 for the warmest December highs and joint 94th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Porto Seguro is 0.3°C warmer than that mean.
From December to January, average highs rise by 0.4°C to 29.2°C, and monthly rainfall falls from 110 mm to 70 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
Porto Seguro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C23.9°C | 23.9°C | 70 | 14.7 | 13.013 h |
| February | 29.4°C24.0°C | 24.0°C | 65 | 14.9 | 12.613 h |
| March | 29.1°C23.9°C | 23.9°C | 113 | 18.8 | 12.212 h |
| April | 28.0°C23.4°C | 23.4°C | 115 | 18.8 | 11.712 h |
| May | 26.6°C22.2°C | 22.2°C | 96 | 16.8 | 11.411 h |
| June | 25.5°C21.1°C | 21.1°C | 73 | 15.6 | 11.211 h |
| July | 24.8°C20.3°C | 20.3°C | 67 | 16.7 | 11.211 h |
| August | 25.0°C20.3°C | 20.3°C | 53 | 12.8 | 11.612 h |
| September | 26.2°C21.2°C | 21.2°C | 51 | 11.1 | 12.012 h |
| October | 27.3°C22.2°C | 22.2°C | 96 | 13.1 | 12.512 h |
| November | 27.7°C22.9°C | 22.9°C | 158 | 15.6 | 12.913 h |
| December, selected | 28.8°C23.6°C | 23.6°C | 110 | 13.9 | 13.113 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
- Eunápolis in DecemberBrazil · 56 kmHigh 29.4°C · Low 21.9°C · 114 mm rain
- Teixeira de Freitas in DecemberBrazil · 141 kmHigh 29.8°C · Low 22.2°C · 116 mm rain
- Ilhéus in DecemberBrazil · 184 kmHigh 28.5°C · Low 23.6°C · 110 mm rain
- Itapetinga in DecemberBrazil · 184 kmHigh 29.8°C · Low 21.6°C · 96 mm rain
- Itabuna in DecemberBrazil · 186 kmHigh 28.6°C · Low 22.3°C · 120 mm rain
- Vitória da Conquista in DecemberBrazil · 259 kmHigh 27.4°C · Low 18.5°C · 116 mm rain
- São Mateus in DecemberBrazil · 266 kmHigh 29.0°C · Low 22.7°C · 146 mm rain
- Teófilo Otoni in DecemberBrazil · 303 kmHigh 29.5°C · Low 21.4°C · 190 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 Porto Seguro) is explained once on the Porto Seguro year overview and on the Sources, method and limits page.