Goiânia weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: May – August
What is the weather like in Goiânia in December?
In December, Goiânia is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 206 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Goiânia.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 47 | 51 | 52 |
| Day | 29° | 28° | 28° |
| Night | 20° | 20° | 20° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 22 | 24 | 22 |
More details for December
- Daylight
- 13 h 7 min05:39 – 18:45
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 81 %on averageAll months
- Hot days
- 5 days30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 50 %89 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Goiânia in December: quick answers
Is Goiânia hot in December?
Yes. In December, Goiânia is hot: daytime highs average 28 °C and nights stay around 20 °C. On about 5 days the thermometer climbs to 30 °C or more.
Does it rain much in Goiânia in December?
It rains often – on about 24 days, adding up to 206 mm.
Goiânia month by month
The whole year in GoiâniaAll destinations: BrazilWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences