Best Time to Visit Altdorf, Uri, Switzerland
Month-by-month climate guide for planning a trip to Altdorf.
Altdorf does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 15.9°C / 60.6°F) and driest (January, 91 mm / 3.6 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from -0.4°C / 31.3°F in January to 15.9°C / 60.6°F in July, with rainfall from 91 mm / 3.6 in (January) to 182 mm / 7.2 in (July). These are point-value climate normals sampled at Altdorf, Uri, Switzerland's coordinates — usually more actionable for travellers than the country-wide average. Altdorf's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| September | 12.2°C54°F | 131 mm5.2″ | — |
| October | 8°C46.4°F | 120 mm4.7″ | — |
| May | 10.4°C50.7°F | 139 mm5.5″ | — |
No month at Altdorf matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Altdorf?
Altdorf doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~91 mm / 3.6 in) and July (warmest, 15.9°C / 60.6°F). Because these are point values at the city, they can differ substantially from Switzerland's national average.
When is the rainy season in Altdorf?
The rainy season at Altdorf, Uri runs through May–September, when monthly rainfall exceeds the annual median of about 125 mm / 4.9 in. The wettest single month is July (182 mm / 7.2 in).
What is the driest month in Altdorf?
The driest month in Altdorf is January, averaging about 91 mm / 3.6 in of rainfall. Temperature that month averages -0.4°C / 31.3°F.
What months should I avoid visiting Altdorf?
The least comfortable months for travel to Altdorf — based on point-value climate at the city — are January, February, March, June, July, August, December. These are the wettest or coolest months at this location. Rainfall peaks at 182 mm / 7.2 in in July, and the coldest month averages -0.4°C / 31.3°F.
Is Altdorf climate different from Switzerland overall?
Yes, usually. Our Altdorf figures are point-value climate normals sampled at the city itself, while our Switzerland figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Altdorf specifically — usually the more actionable data for a traveller planning to spend time in the city.