Average Temperatures in Seattle/ Tacoma, Wa, Usa Temperature

Average Temperatures in Seattle/ Tacoma, Wa, Usa

The average annual temperature in Seattle/ Tacoma, Wa, Usa is quite mild at 11.1 degrees Celsius (52 degrees Fahrenheit).

The variation of mean monthly temperatures is 14.1 °C (25.4°F) which is a low range.

The mean daily temperature variation/ range is 8.2 °C (14.8 °F).

The warmest month (August) is somewhat warm having an average temperature of 18.6 degrees Celsius (65.48 degrees Fahrenheit).

The coolest month (January) is cool having a mean temperature of 4.5 degrees Celsius (40.1 degrees Fahrenheit).

Average Temperatures Table for Seattle/ Tacoma, Wa

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average Max Temperature °C ( °F)	7.2 (45)	9.7 (49.5)	11.5 (52.7)	14 (57.2)	17.7 (63.9)	21.1 (70)	24 (75.2)	24 (75.2)	20.7 (69.3)	15.4 (59.7)	10.3 (50.5)	7.3 (45.1)	15.2 (59.4)
Average Temperature °C ( °F)	4.5 (40.1)	6.4 (43.5)	7.6 (45.7)	9.6 (49.3)	12.8 (55)	16.1 (61)	18.4 (65.1)	18.6 (65.5)	15.9 (60.6)	11.6 (52.9)	7.4 (45.3)	4.7 (40.5)	11.1 (52)
Average Min Temperature °C ( °F)	1.8 (35.2)	3 (37.4)	3.6 (38.5)	5.1 (41.2)	7.9 (46.2)	11.1 (52)	12.9 (55.2)	13.2 (55.8)	11.1 (52)	7.7 (45.9)	4.5 (40.1)	2.1 (35.8)	7 (44.6)

Annual

Average Max Temperature °C ( °F)

7.2 (45)

9.7 (49.5)

11.5 (52.7)

14 (57.2)

17.7 (63.9)

21.1 (70)

24 (75.2)

20.7 (69.3)

15.4 (59.7)

10.3 (50.5)

7.3 (45.1)

15.2 (59.4)

Average Temperature °C ( °F)

4.5 (40.1)

6.4 (43.5)

7.6 (45.7)

9.6 (49.3)

12.8 (55)

16.1 (61)

18.4 (65.1)

18.6 (65.5)

15.9 (60.6)

11.6 (52.9)

7.4 (45.3)

4.7 (40.5)

11.1 (52)

Average Min Temperature °C ( °F)

1.8 (35.2)

3 (37.4)

3.6 (38.5)

5.1 (41.2)

7.9 (46.2)

11.1 (52)

12.9 (55.2)

13.2 (55.8)

11.1 (52)

7.7 (45.9)

4.5 (40.1)

2.1 (35.8)

7 (44.6)

Seattle/ Tacoma, Wa Average Temperatures Chart

The average temperature charts use a fixed scale so that you can easily compare temperatures between two or more locations. Simply line up the charts in separate tabs in your browser and toggle between tabs to visualise the differences. The charts have major grid lines at intervals of 10 °C on the left axis corresponding with intervals of 18 °F on the right axis. Minor gridlines mark intervals of 2.5 °C and 4.5 °F. The charts show the relationship between the Celsius and Fahrenheit measuring scales. Locations in the northern hemisphere run from January to December and in the southern hemisphere from July to June so that the middle of the chart always corresponds with the high sun period (for the hemisphere).

Average Temperatures in Seattle/ Tacoma, Wa, Usa

Average Temperatures Table for Seattle/ Tacoma, Wa

Seattle/ Tacoma, Wa Average Temperatures Chart

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