July Weather in Willisau

Last updated: March 2, 2024

The weather in Willisau, Switzerland, during July is characterized by an average temperature of 18°C (65°F). Highs can soar to 29°C (85°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Willisau throughout July hovers around 83%.

8°C (47°F)

Minimum temperature

18°C (65°F)

Average temperature

29°C (85°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In July, Willisau averages 165 mm (6.5 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 15 hours 25 minutes of daylight, with the sun shining for approximately 13 hours 26 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

165 mm (6.5 inches)

Precipitation

18 rainy days

Rainy days

13 hours 26 minutes

Sunshine hours

34%

Chance of sun

UV Index

In July, the UV Index in Willisau reaches a maximum of 9, 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 5 6 8 9 9 8 6 4 3 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 Willisau's Climate with Cities Worldwide