Weather in Seattle in December
day
+43
evening
+39
Average December daytime temperature in Seattle is +43°F, night +39°F. This data was obtained from our Seattle weather archive.
- Cloudy
- Overcast - 30 days
- Wind
- average wind speed is 8.9 mph
- Pressure
- 29.5 inHg
- Precipitation
- rain / snow / hail - 7 days
Weather archive by month and season
Average weather in Seattle in December by year
Average day and night temperature in Seattle in December data for the period from 2002 to 2012 years. Number of cloudy and clear days, atmospheric pressure and wind speed.
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
Temperature °F | Weather characteristics | Pressure inHg | Wind speed mph |
Day | +43 |
| 29.4 | 8.9 | |
Evening | +41 |
| 29.4 | 8.9 |
Day | +41 |
| 29.8 | 6.7 | |
Evening | +39 |
| 29.8 | 6.7 |
Day | +45 |
| 29.4 | 8.9 | |
Evening | +43 |
| 29.4 | 11.2 |
Day | +41 |
| 29.6 | 6.7 | |
Evening | +37 |
| 29.6 | 8.9 |
Day | +39 |
| 29.5 | 11.2 | |
Evening | +37 |
| 29.5 | 8.9 |
Day | +41 |
| 29.5 | 8.9 | |
Evening | +39 |
| 29.6 | 11.2 |
Weather archive in Seattle in December
Graph shows the average in December temperature in Seattle in the evening and daytime. The maximum average daily temperature according to our archive was +45°F and the minimum dropped to a +39°F
Weather characteristics
Precipitation in December
Graph displays the average number of rainy or snowy days in Seattle over the years. Total average number of days on our data is 7 days.
Minimum and maximum
world's temperature today
world's temperature today
Greenland
Siorapaluk
Siorapaluk
- day
- +10°F
- night
- -2°F
Mali
Bafoulabé
Bafoulabé
- day
- +115°F
- night
- +86°F
Seattle
The hottest months:
- July
- +73 °F
- August
- +73 °F
- September
- +68 °F
The coldest months:
- December
- +43 °F
- January
- +45 °F
- February
- +46 °F
Most precipitations:
- January
- 8 D
- November
- 7 D
- December
- 7 D
Most windy months mph:
- March
- 11.2 mph
- February
- 8.9 mph
- April
- 8.9 mph
Most sunny months days:
- July
- 12 D
- August
- 10 D
- September
- 9 D
Temperature units
°F°C
Icons