Goiás weather in December
December is one of the least pleasant months in Goiás: highs of 28°C (82°F) and about 234 mm (9.2 in) of rain on average. Nights average 19°C (67°F) and cloud cover 82% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the 6th warmest. Compared with November, it is cooler and wetter; January brings highs of 28°C (82°F) and 239 mm (9.4 in) of rain.
Figures are long-term averages for Goiânia, the largest city in Goiás. See below for other places.
Is December a good time to visit Goiás?
least pleasant month Weather score 45/100.
December is one of the least pleasant months for weather in Goiás. For better conditions, consider May–Aug.
Does it rain a lot in Goiás in December?
Yes, it is one of the rainy months: about 234 mm (9.2 in) falls in an average December. It is the 2nd wettest month of the year.
How warm is Goiás in December?
Days average 28°C (82°F) and nights 19°C (67°F).
Goiás weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 28°C (82°F) | 19°C (67°F) | 239 mm | 80% | least pleasant |
| February | 27°C (81°F) | 19°C (66°F) | 206 mm | 77% | least pleasant |
| March | 27°C (81°F) | 19°C (66°F) | 209 mm | 73% | least pleasant |
| April | 27°C (81°F) | 18°C (64°F) | 109 mm | 52% | fair |
| May | 26°C (79°F) | 15°C (59°F) | 24 mm | 37% | best |
| June | 27°C (80°F) | 14°C (57°F) | 6 mm | 26% | best |
| July | 28°C (83°F) | 14°C (56°F) | 3 mm | 20% | best |
| August | 31°C (88°F) | 16°C (60°F) | 8 mm | 23% | best |
| September | 34°C (92°F) | 19°C (66°F) | 44 mm | 44% | fair |
| October | 32°C (90°F) | 20°C (68°F) | 122 mm | 71% | fair |
| November | 29°C (84°F) | 19°C (67°F) | 194 mm | 81% | least pleasant |
| December | 28°C (82°F) | 19°C (67°F) | 234 mm | 82% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Goiás in December
Weather can differ a lot within Goiás: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Goiânia | 28°C (82°F) | 19°C (67°F) | 234 mm | least pleasant |
| Aparecida de Goiânia | 29°C (83°F) | 20°C (68°F) | 215 mm | least pleasant |
| Anápolis | 27°C (81°F) | 18°C (65°F) | 237 mm | least pleasant |
| Águas Lindas de Goiás | 27°C (81°F) | 18°C (65°F) | 221 mm | least pleasant |
| Rio Verde | 29°C (84°F) | 21°C (69°F) | 204 mm | least pleasant |
| Luziânia | 28°C (82°F) | 19°C (65°F) | 224 mm | least pleasant |
| Valparaíso de Goiás | 27°C (81°F) | 18°C (65°F) | 221 mm | least pleasant |
| Senador Canedo | 28°C (82°F) | 19°C (67°F) | 234 mm | least pleasant |
| Trindade | 28°C (82°F) | 19°C (67°F) | 234 mm | least pleasant |
| Formosa | 28°C (82°F) | 18°C (65°F) | 211 mm | least pleasant |
| Catalão | 29°C (83°F) | 20°C (67°F) | 219 mm | least pleasant |
| Itumbiara | 30°C (85°F) | 21°C (70°F) | 207 mm | least pleasant |