Walla Walla weather in April 2025

Expect 16°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Walla Walla in April. Check more long-term weather averages for Walla Walla in April before you book your next holiday to Washington State in 2025/2026.

  • 16°C maximum daytime temperature in April in Walla Walla16
    16°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in April in Walla Walla9
    9 days with some rainfall
  • 4°C minimum night-time temperature in April in Walla Walla4
    4°C min night temperature
  • 14 hours of daylight per day in April in Walla Walla14
    14 hours of daylight per day
  • No heat & humidity in April in Walla Walla0
    No heat & humidity
  • 43 mm monthly rainfall in April in Walla Walla43
    43 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Walla Walla5
    5 (Moderate) UV index

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