Climate averages 1991–2020
Codó weather
in December.
A hot, wet month: the 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Codó: daytime highs average 32.9°C and nights cool to about 24.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 112 mm of rain on roughly 14 days, which makes December a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average December day.
The nearest other city in this atlas is Caxias (74 km away). In December its highs average 33.1°C, about as warm as Codó, with 103 mm of rain.
Among the 448 cities listed in Brazil, Codó ranks joint 19th of 448 for the warmest December highs and joint 96th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Codó is 4.5°C warmer than that mean.
From December to January, average highs fall by 2.5°C to 30.4°C, and monthly rainfall rises from 112 mm to 226 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
Codó climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.2°C | 23.2°C | 226 | 24.2 | 12.312 h |
| February | 29.8°C22.9°C | 22.9°C | 252 | 24.4 | 12.312 h |
| March | 29.4°C22.9°C | 22.9°C | 315 | 28.6 | 12.112 h |
| April | 29.4°C22.9°C | 22.9°C | 263 | 26.4 | 12.012 h |
| May | 30.0°C23.1°C | 23.1°C | 121 | 16.9 | 11.912 h |
| June | 31.4°C23.0°C | 23.0°C | 26 | 4.8 | 11.912 h |
| July | 32.5°C23.1°C | 23.1°C | 10 | 2.2 | 11.912 h |
| August | 34.0°C23.5°C | 23.5°C | 3.7 | 0.7 | 12.012 h |
| September | 35.2°C24.2°C | 24.2°C | 6.2 | 1.2 | 12.112 h |
| October | 35.4°C24.7°C | 24.7°C | 16 | 2.5 | 12.212 h |
| November | 34.3°C24.7°C | 24.7°C | 47 | 7.0 | 12.312 h |
| December, selected | 32.9°C24.3°C | 24.3°C | 112 | 13.7 | 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
December in nearby cities
- Caxias in DecemberBrazil · 74 kmHigh 33.1°C · Low 24.1°C · 103 mm rain
- Chapadinha in DecemberBrazil · 98 kmHigh 33.8°C · Low 24.7°C · 63 mm rain
- Bacabal in DecemberBrazil · 102 kmHigh 32.6°C · Low 24.5°C · 131 mm rain
- Teresina in DecemberBrazil · 139 kmHigh 33.8°C · Low 24.2°C · 93 mm rain
- Santa Inês in DecemberBrazil · 188 kmHigh 32.3°C · Low 24.5°C · 120 mm rain
- Barra do Corda in DecemberBrazil · 190 kmHigh 31.2°C · Low 23.5°C · 135 mm rain
- São José de Ribamar in DecemberBrazil · 212 kmHigh 29.3°C · Low 25.8°C · 75 mm rain
- São Luís in DecemberBrazil · 219 kmHigh 30.4°C · Low 25.5°C · 73 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 Codó) is explained once on the Codó year overview and on the Sources, method and limits page.