December · Brazil
Best time to visit Gramado in December Weather, crowds & prices
Weather in Gramado in December
Average temperature 21°C, 108 mm of rain, about 30 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.8/10
Ranked #2 of 12 months
- Avg temp
- 21°C
- Rainfall
- 108 mm
- Humidity
- 82%
- Days with 6h+ sun
- 30
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Gramado scores 7.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 21°C, 108 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
European-style lodges, chocolate shops, and Serra Gaúcha scenery feel coziest from October through April in southern Brazil.
December holds up well in Gramado — 2nd best month
At 21°C (69°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
108 mm of rain makes this a wet month here, though with about 30 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.8/10 on the same scale — 2nd of 12 months, versus 8.2/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Gramado in December?
- In December, Gramado averages 21°C, 108 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
- Is December a good time to visit Gramado?
- December earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Gramado in December?
- Expect about 108 mm of rain in December. Average humidity is 82% and there are about 30 days with 6+ hours of sunshine.
Curated in Gramado
Tickets & experiences
Things to do in Gramado
Gramado, Brazil. Live activities and tours from GetYourGuide, matched to this destination.