Climate averages 1991–2020
Rio Largo weather
in December.
A hot, fairly dry month: one of the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Rio Largo: daytime highs average 29.7°C and nights cool to about 23.2°C. By daytime temperature it is one of the warmest months of the year.
Expect about 30 mm of rain on roughly 12 days, which makes December a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 40 min on an average December day.
The nearest other city in this atlas is Maceió (25 km away). In December its highs average 28.9°C, 0.8°C cooler than Rio Largo, with 36 mm of rain.
Among the 448 cities listed in Brazil, Rio Largo ranks joint 120th of 448 for the warmest December highs and joint 30th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Rio Largo is 1.2°C warmer than that mean.
From December to January, average highs stay level at 29.7°C, and monthly rainfall rises from 30 mm to 55 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
Rio Largo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C23.3°C | 23.3°C | 55 | 15.3 | 12.613 h |
| February | 29.7°C23.5°C | 23.5°C | 57 | 15.9 | 12.412 h |
| March | 29.7°C23.5°C | 23.5°C | 71 | 18.2 | 12.212 h |
| April | 28.9°C23.2°C | 23.2°C | 109 | 20.7 | 11.912 h |
| May | 27.6°C22.5°C | 22.5°C | 149 | 24.0 | 11.712 h |
| June | 26.3°C21.6°C | 21.6°C | 171 | 25.2 | 11.612 h |
| July | 25.5°C20.9°C | 20.9°C | 160 | 25.8 | 11.612 h |
| August | 25.7°C20.6°C | 20.6°C | 100 | 23.4 | 11.812 h |
| September | 26.5°C21.1°C | 21.1°C | 65 | 18.8 | 12.012 h |
| October | 27.9°C22.0°C | 22.0°C | 49 | 15.7 | 12.312 h |
| November | 29.1°C22.6°C | 22.6°C | 33 | 11.8 | 12.513 h |
| December, selected | 29.7°C23.2°C | 23.2°C | 30 | 11.5 | 12.713 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
- Maceió in DecemberBrazil · 25 kmHigh 28.9°C · Low 24.4°C · 36 mm rain
- Arapiraca in DecemberBrazil · 94 kmHigh 32.0°C · Low 22.4°C · 17 mm rain
- Garanhuns in DecemberBrazil · 97 kmHigh 27.9°C · Low 17.9°C · 25 mm rain
- Caruaru in DecemberBrazil · 134 kmHigh 29.9°C · Low 20.5°C · 19 mm rain
- Belo Jardim in DecemberBrazil · 142 kmHigh 30.8°C · Low 20.1°C · 14 mm rain
- Gravatá in DecemberBrazil · 146 kmHigh 28.9°C · Low 20.9°C · 39 mm rain
- Ipojuca in DecemberBrazil · 148 kmHigh 28.9°C · Low 23.9°C · 37 mm rain
- Cabo de Santo Agostinho in DecemberBrazil · 160 kmHigh 28.0°C · Low 24.4°C · 43 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 Rio Largo) is explained once on the Rio Largo year overview and on the Sources, method and limits page.