Viseu in December
6.4out of 10
Possible, with caveats
Hot: daytime highs around 31°C. Very wet: about 16 rainy days.
31°CAvg high
24°CAvg low
16Rainy days (79 mm)
12:04 hDaylight
05:59Sunrise · 18:03 Sunset
Why this score
- Hot: daytime highs around 31°C
- Very wet: about 16 rainy days
- Rain varies a lot between years (±5.4 days)
What to wear and pack
- Light, breathable clothing
- 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 (±5.4 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 | 30°C | 24°C | 255 mm | 27 | – | – | 5.9 |
| February | 29°C | 23°C | 373 mm | 27 | – | – | 6.1 |
| March | 29°C | 23°C | 476 mm | 30 | – | – | 6.1 |
| April | 29°C | 23°C | 492 mm | 29 | – | – | 6.1 |
| May | 30°C | 23°C | 320 mm | 29 | – | – | 5.9 |
| June | 30°C | 23°C | 160 mm | 25 | – | – | 5.8 |
| July | 30°C | 23°C | 116 mm | 24 | – | – | 5.9 |
| August | 30°C | 24°C | 50 mm | 18 | – | – | 6.2 |
| September | 31°C | 24°C | 27 mm | 9 | – | – | 7.3 |
| October | 31°C | 24°C | 21 mm | 6 | – | – | 7.6 |
| November | 31°C | 24°C | 29 mm | 7 | – | – | 7.4 |
| December | 31°C | 24°C | 79 mm | 16 | – | – | 6.4 |
Frequently asked questions
How hot is Viseu in December?
Daytime highs average 31°C and nights about 24°C.
When is the best time to visit Viseu?
The best months are October, November, September.