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

December weather forecast and Climate
Seneca, OR

  • The average high temperature in December: 36.4°F

The warmest month (with the highest average high temperature) is July (81.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • The average low temperature in December: 11.7°F

The month with the highest average low temperature is July (37.8°F).
The coldest month (with the lowest average low temperature) is January (9.2°F).

  • The average rainfall in December: 1.7"

The wettest month (with the highest rainfall) is December (1.7").
The driest month (with the lowest rainfall) is July (0.5").

  • The average rainfall days in December: 12 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are July and August (3 days).

  • The average snowfall in December: 15"

The month with the highest snowfall is December (15").
Months with the lowest snowfall are June, July, August and September (0").