Pasco
Washington, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Pasco, WA

  • Average high temperature in December: 41.1°F

The warmest month (with the highest average high temperature) is July (89.3°F).
The month with the lowest average high temperature is January (40.4°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (28°F).

  • Average rainfall in December: 1.1"

Wettest months (with the highest rainfall) are January and December (1.1").
Driest months (with the lowest rainfall) are July and August (0.2").

  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

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