Alagoas weather in December
December is one of the best months to visit Alagoas: highs of 30°C (85°F) and about 29 mm (1.1 in) of rain on average. Nights average 24°C (76°F) and cloud cover 50% (NASA POWER, 2001–2025 averages). The sea averages 28°C (83°F). It is the 2nd driest month of the year and the 3rd warmest. Compared with November, it is about as warm and wetter; January brings highs of 30°C (85°F) and 72 mm (2.8 in) of rain.
Figures are long-term averages for Maceió, the largest city in Alagoas. See below for other places.
Is December a good time to visit Alagoas?
best month Weather score 85/100.
Yes. December is one of the best months for weather in Alagoas.
Does it rain a lot in Alagoas in December?
No, it is usually dry: about 29 mm (1.1 in) falls in an average December. It is the 2nd driest month of the year.
How warm is Alagoas in December?
Days average 30°C (85°F) and nights 24°C (76°F).
Alagoas weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 30°C (85°F) | 25°C (76°F) | 72 mm | 58% | 29°C (84°F) | fair |
| February | 30°C (85°F) | 25°C (77°F) | 68 mm | 58% | 29°C (85°F) | fair |
| March | 30°C (86°F) | 25°C (77°F) | 87 mm | 54% | 30°C (86°F) | fair |
| April | 29°C (85°F) | 25°C (77°F) | 123 mm | 55% | 30°C (86°F) | fair |
| May | 28°C (83°F) | 24°C (76°F) | 176 mm | 60% | 29°C (84°F) | least pleasant |
| June | 27°C (80°F) | 24°C (74°F) | 204 mm | 62% | 28°C (82°F) | least pleasant |
| July | 26°C (79°F) | 23°C (73°F) | 164 mm | 58% | 27°C (80°F) | least pleasant |
| August | 26°C (79°F) | 22°C (72°F) | 105 mm | 56% | 27°C (80°F) | fair |
| September | 27°C (80°F) | 23°C (73°F) | 60 mm | 49% | 27°C (80°F) | best |
| October | 28°C (83°F) | 23°C (74°F) | 45 mm | 46% | 27°C (81°F) | best |
| November | 29°C (85°F) | 24°C (75°F) | 25 mm | 45% | 28°C (82°F) | best |
| December | 30°C (85°F) | 24°C (76°F) | 29 mm | 50% | 28°C (83°F) | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Alagoas in December
Weather can differ a lot within Alagoas: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Maceió | 30°C (85°F) | 24°C (76°F) | 29 mm | best |
| Arapiraca | 34°C (94°F) | 22°C (71°F) | 26 mm | fair |
| Rio Largo | 30°C (85°F) | 24°C (76°F) | 29 mm | best |
| União dos Palmares | 32°C (89°F) | 19°C (66°F) | 28 mm | best |
| Marechal Deodoro | 30°C (85°F) | 24°C (76°F) | 29 mm | best |
| São Miguel dos Campos | 31°C (88°F) | 23°C (74°F) | 25 mm | best |
| Penedo | 32°C (89°F) | 23°C (74°F) | 24 mm | best |
| Coruripe | 31°C (88°F) | 23°C (74°F) | 25 mm | best |
| Delmiro Gouveia | 35°C (96°F) | 21°C (70°F) | 32 mm | least pleasant |
| Santana do Ipanema | 36°C (96°F) | 21°C (70°F) | 31 mm | least pleasant |
| Atalaia | 32°C (90°F) | 21°C (70°F) | 29 mm | best |
| Teotônio Vilela | 31°C (88°F) | 23°C (74°F) | 25 mm | best |