Sobral weather in December
In December, Sobral has daytime highs averaging 34 °C, nights around 24 °C, with 5.0 wet days. Figures are 1991–2020 climate normals.
- 34.5°C Average high
- 24.4°C Average low
- 5.0days Wet days
- 28mm Rainfall
- 12h Daylight
Daily temperatures through December
How December develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 December | 35.1 °C | 24.5 °C | 7 % |
| 11–20 December | 34.5 °C | 24.5 °C | 17 % |
| 21–31 December | 33.8 °C | 24.4 °C | 23 % |
- Average highs fall from 35.1 °C early in December to 33.8 °C by the end of it.
- Rain is most likely over days 21–31 of December (23 % of days) and least likely over days 1–10 (7 %).
What to expect
| Measure | Typical December | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 30 of 31 | 97 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 5.0 of 31 | 16 % |
Conditions in December
| Measure | Average |
|---|---|
| Mean temperature | 29 °C |
| Record high (1991–2020) | 38 °C |
| Record low (1991–2020) | 22 °C |
| Relative humidity | 65 % |
| Wind speed | 20 km/h |
| Cloud cover | 55 % |
Where Sobral ranks in December
| Ranking | Position | Value |
|---|---|---|
| The warmest places in South America in December | 1stof 50 | 34 °C |
| The warmest places in the world in December | 12thof 50 | 34 °C |
December compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 32.4 °C | 100 mm | 71 % |
| February | 31.3 °C | 130 mm | 74 % |
| October | 35.8 °C | 3 mm | 34 % |
| November | 35.6 °C | 5 mm | 47 % |
| December | 34.5 °C | 28 mm | 55 % |
See all twelve months for Sobral
- December is the 4th warmest month here.
- It is the 7th driest month of the year.
- It ranks 7th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 5.0 of 31 days — 16 % of the month.
- Nights are about 10 °C cooler than the middle of the day.
- The hottest December day on record since 1991 reached 38 °C, 3.2 °C above the usual daytime high.
Nearby destinations in December
QuestionsDecember in Sobral, answered
How warm is Sobral in December?
Daily highs average 34 °C and nights fall to about 24 °C, a spread of 10 °C between afternoon and dawn. That makes December the 4th warmest month of the year here.
Does it rain much in Sobral in December?
December averages 28 mm of rain, spread over about 5 of the 31 days — 16 % of the month. Cloud cover averages 55 % of the sky.
How long are the days in December?
Sobral averages 12 hours between sunrise and sunset in December. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.