Sunshine hours in Spokane: 2,574 hours a year, month by month

Spokane gets 2,574 hours of sunshine a year on average (7.1 a day). Sunniest month: July with 382 hours. Every month, measured 1961–1990.

  • Spokane gets 2,574 hours of sunshine a year on average, 7.1 a day – 58% of the astronomically possible. The sunniest month is July with 382 hours (12.3 a day), the dullest December with 59 (1.9 a day).
  • Number 234 of 311 large cities in the United States.
  • Nearest weather station: Spokane/Intl, WA, 8 km away – 1961–1990 average, NOAA.

Sunshine hours month by month

  • January: 78 h · 2.5 h a day · 28 %
  • February: 118 h · 4.2 h a day · 41 %
  • March: 199 h · 6.4 h a day · 54 %
  • April: 242 h · 8.1 h a day · 59 %
  • May: 297 h · 9.6 h a day · 63 %
  • June: 323 h · 10.8 h a day · 68 %
  • July: 382 h · 12.3 h a day · 79 %
  • August: 340 h · 11.0 h a day · 77 %
  • September: 271 h · 9.0 h a day · 72 %
  • October: 191 h · 6.2 h a day · 57 %
  • November: 74 h · 2.5 h a day · 26 %
  • December: 59 h · 1.9 h a day · 22 %

Questions about sunshine hours

  • How many hours of sunshine does Spokane get a year? On average over 1961–1990 the sun shines in Spokane for 2,574 hours a year – 7.1 hours a day and 58% of the time the sun is above the horizon.
  • What is the sunniest month in Spokane? July, with 382 hours of sunshine, 12.3 a day on average. The least sun comes in December: 59 hours, 1.9 a day.
  • Is Spokane a sunny city? Among the 311 large cities in the United States with measurements, Spokane ranks number 234.
  • Where do the figures come from? From the WMO climate normals 1961–1990 as archived by NOAA. There are no newer figures: the US stopped measuring sunshine duration in the 1990s. Spokane uses the station Spokane/Intl, WA, measured 1961–1990.
  • What counts as an hour of sunshine? By the World Meteorological Organization's definition the sun is shining once its direct radiation exceeds 120 watts per square metre. Just after sunrise and before sunset it is often too weak – which is why even deserts never reach 100%.

The sunniest large cities: United States

The cloudiest large cities: United States

The sunniest large cities in the world

The cloudiest large cities in the world

  • Data: NOAA, WMO climate normals of sunshine duration, 1961–1990 average, public domain. Possible hours: time between sunrise and sunset.