Niterói in December
6.8out of 10
Possible, with caveats
Warm and comfortable: highs around 29°C. Very wet: about 15 rainy days.
29°CAvg high
23°CAvg low
15Rainy days (133 mm)
13:24 hDaylight
05:07Sunrise · 18:31 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Very wet: about 15 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in December varies a lot between years (±3.6 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 24°C | 145 mm | 15 | – | – | 6.6 |
| February | 30°C | 24°C | 97 mm | 12 | – | – | 7.1 |
| March | 29°C | 24°C | 127 mm | 15 | – | – | 6.8 |
| April | 28°C | 23°C | 77 mm | 12 | – | – | 7.5 |
| May | 26°C | 21°C | 70 mm | 11 | – | – | 7.7 |
| June | 25°C | 20°C | 41 mm | 7 | – | – | 8.2 |
| July | 25°C | 19°C | 45 mm | 8 | – | – | 8.1 |
| August | 25°C | 19°C | 36 mm | 7 | – | – | 8.1 |
| September | 25°C | 20°C | 66 mm | 10 | – | – | 7.7 |
| October | 26°C | 21°C | 80 mm | 11 | – | – | 7.7 |
| November | 27°C | 22°C | 122 mm | 15 | – | – | 6.9 |
| December | 29°C | 23°C | 133 mm | 15 | – | – | 6.8 |
Frequently asked questions
How hot is Niterói in December?
Daytime highs average 29°C and nights about 23°C.
When is the best time to visit Niterói?
The best months are June, July, August, May.