Slaný in December
4.6out of 10
Not the best time
Cold: highs around 3°C. Frequent rain: about 9 rainy days.
3°CAvg high
-1°CAvg low
9Rainy days (37 mm)
7:50 hDaylight
08:05Sunrise · 15:55 Sunset
Why this score
- Cold: highs around 3°C
- Frequent rain: about 9 rainy days
- Nights fall to about -1°C
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
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 | 2°C | -2°C | 32 mm | 9 | – | – | 4.4 |
| February | 4°C | -2°C | 27 mm | 8 | – | – | 4.9 |
| March | 8°C | 0°C | 37 mm | 10 | – | – | 5.5 |
| April | 14°C | 4°C | 35 mm | 9 | – | – | 6.7 |
| May | 19°C | 8°C | 59 mm | 12 | – | – | 7.0 |
| June | 22°C | 12°C | 70 mm | 12 | – | – | 7.5 |
| July | 25°C | 14°C | 75 mm | 12 | – | – | 7.5 |
| August | 25°C | 14°C | 67 mm | 11 | – | – | 7.6 |
| September | 19°C | 10°C | 50 mm | 9 | – | – | 7.4 |
| October | 13°C | 5°C | 42 mm | 9 | – | – | 6.5 |
| November | 7°C | 2°C | 38 mm | 9 | – | – | 5.4 |
| December | 3°C | -1°C | 37 mm | 9 | – | – | 4.6 |
Frequently asked questions
How hot is Slaný in December?
Daytime highs average 3°C and nights about -1°C.
When is the best time to visit Slaný?
The best months are August, June, July, September.