Last updated: March 2, 2024
The weather in Altenahr, Germany, during January is characterized by an average temperature of 2°C (36°F). Highs can soar to 11°C (51°F), while lows may dip to -5°C (24°F). Typically, the humidity level in Altenahr throughout January hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Altenahr averages 63 mm (2.5 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 8 hours 33 minutes of daylight, with the sun shining for approximately 3 hours 32 minutes each day. Additionally, there is a 9% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Altenahr reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||