Climate averages 1991–2020
Sobral weather
in December.
A very hot, fairly dry month: the 4th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a very hot month in Sobral: daytime highs average 34.5°C and nights cool to about 24.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 22 mm of rain on roughly 5 days, which makes December a fairly dry month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average December day.
The nearest other city in this atlas is Tianguá (71 km away). In December its highs average 30.0°C, 4.5°C cooler than Sobral, with 32 mm of rain.
Among the 448 cities listed in Brazil, Sobral ranks joint 3rd of 448 for the warmest December highs and joint 15th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Sobral is 6.0°C warmer than that mean.
From December to January, average highs fall by 2.1°C to 32.4°C, and monthly rainfall rises from 22 mm to 95 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
Sobral climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.4°C23.9°C | 23.9°C | 95 | 15.5 | 12.312 h |
| February | 31.3°C23.6°C | 23.6°C | 124 | 18.8 | 12.212 h |
| March | 30.6°C23.5°C | 23.5°C | 177 | 23.7 | 12.112 h |
| April | 30.2°C23.3°C | 23.3°C | 187 | 22.2 | 12.012 h |
| May | 31.0°C23.2°C | 23.2°C | 82 | 13.1 | 12.012 h |
| June | 31.9°C22.8°C | 22.8°C | 22 | 5.2 | 11.912 h |
| July | 32.9°C22.9°C | 22.9°C | 14 | 2.5 | 11.912 h |
| August | 34.4°C23.3°C | 23.3°C | 3.9 | 0.5 | 12.012 h |
| September | 35.5°C23.9°C | 23.9°C | 1.0 | 0.2 | 12.112 h |
| October | 35.8°C24.2°C | 24.2°C | 2.8 | 0.5 | 12.212 h |
| November | 35.6°C24.4°C | 24.4°C | 4.6 | 0.7 | 12.312 h |
| December, selected | 34.5°C24.5°C | 24.5°C | 22 | 4.7 | 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
- Tianguá in DecemberBrazil · 71 kmHigh 30.0°C · Low 20.4°C · 32 mm rain
- Itapipoca in DecemberBrazil · 88 kmHigh 32.8°C · Low 24.6°C · 30 mm rain
- Canindé in DecemberBrazil · 137 kmHigh 33.8°C · Low 23.5°C · 21 mm rain
- Crateús in DecemberBrazil · 170 kmHigh 34.3°C · Low 23.6°C · 20 mm rain
- Parnaíba in DecemberBrazil · 181 kmHigh 32.1°C · Low 25.5°C · 35 mm rain
- Maranguape in DecemberBrazil · 186 kmHigh 31.5°C · Low 24.7°C · 27 mm rain
- Caucaia in DecemberBrazil · 188 kmHigh 30.2°C · Low 25.2°C · 20 mm rain
- Maracanaú in DecemberBrazil · 192 kmHigh 31.3°C · Low 24.9°C · 27 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 Sobral) is explained once on the Sobral year overview and on the Sources, method and limits page.