Average percent of sunshine in Altdorf
The mean percent of sunhours during the day in Altdorf (Uri), Switzerland.
- The sun shines on average 52.0% in September making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 30.0%.
Weather Forecasts for Altdorf
broken clouds and no rain
broken clouds and no rain
overcast and chance of slight rain