Blumenau 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
Good
Best time to visit: April – September, November
What is the weather like in Blumenau in December?
In December, Blumenau is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. Expect around 6 hours of sunshine a day. It rains often – on about 18 days, adding up to 144 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Blumenau.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 65 | 60 | 53 |
| Day | 25° | 27° | 28° |
| Night | 19° | 21° | 22° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 16 | 18 | 22 |
More details for December
- Daylight
- 13 h 49 min05:17 – 19:06
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 24 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 6 days30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 50 %98 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 30 %3 %
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
Blumenau in December: quick answers
Is Blumenau hot in December?
Yes. In December, Blumenau is hot: daytime highs average 27 °C and nights stay around 21 °C. On about 6 days the thermometer climbs to 30 °C or more.
Does it rain much in Blumenau in December?
It rains often – on about 18 days, adding up to 144 mm.
Blumenau month by month
The whole year in BlumenauAll 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