Porto União in December
6.5out of 10
Possible, with caveats
Warm and comfortable: highs around 26°C. Very wet: about 17 rainy days.
26°CAvg high
16°CAvg low
17Rainy days (138 mm)
13:38 hDaylight
05:31Sunrise · 19:10 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Very wet: about 17 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±3.2 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 | 27°C | 17°C | 158 mm | 20 | – | – | 6.1 |
| February | 27°C | 17°C | 148 mm | 19 | – | – | 6.3 |
| March | 26°C | 16°C | 100 mm | 14 | – | – | 7.1 |
| April | 24°C | 13°C | 73 mm | 9 | – | – | 7.8 |
| May | 20°C | 10°C | 94 mm | 9 | – | – | 7.4 |
| June | 19°C | 9°C | 95 mm | 9 | – | – | 7.3 |
| July | 19°C | 8°C | 82 mm | 8 | – | – | 7.4 |
| August | 21°C | 9°C | 76 mm | 7 | – | – | 7.9 |
| September | 22°C | 11°C | 137 mm | 11 | – | – | 7.3 |
| October | 23°C | 13°C | 152 mm | 15 | – | – | 6.8 |
| November | 25°C | 15°C | 115 mm | 14 | – | – | 7.1 |
| December | 26°C | 16°C | 138 mm | 17 | – | – | 6.5 |
Frequently asked questions
How hot is Porto União in December?
Daytime highs average 26°C and nights about 16°C.
When is the best time to visit Porto União?
The best months are August, April, May, July.