May Weather in Altdorf

Last updated: March 2, 2024

The weather in Altdorf, Switzerland, during May is characterized by an average temperature of 8°C (48°F). Highs can soar to 21°C (70°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Altdorf throughout May hovers around 80%.

-4°C (26°F)

Minimum temperature

8°C (48°F)

Average temperature

21°C (70°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In May, Altdorf averages 190 mm (7.5 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 15 hours 4 minutes of daylight, with the sun shining for approximately 11 hours 46 minutes each day. Additionally, there is a 29% probability of sunny days during this period.

190 mm (7.5 inches)

Precipitation

22 rainy days

Rainy days

11 hours 46 minutes

Sunshine hours

29%

Chance of sun

UV Index

In May, the UV Index in Altdorf reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 1 2 3 4 6 7 8 8 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Altdorf's Climate with Cities Worldwide