Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Williams, OR

  • The average high temperature in December: 47°F

The warmest month (with the highest average high temperature) is July (84.5°F).
The month with the lowest average high temperature is January (46.7°F).

  • The average low temperature in December: 31.5°F

The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is February (30.6°F).

  • The average rainfall in December: 6.6"

The wettest month (with the highest rainfall) is December (6.6").
The driest month (with the lowest rainfall) is July (0.3").

  • The average rainfall days in December: 14 days

Months with the highest number of rainy days are January and December (14 days).
The month with the lowest number of rainy days is July (1 days).

  • The average snowfall in December: 2.5"

The month with the highest snowfall is January (4.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").