Gig Harbor (WA) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Gig Harbor

Gig Harbor average temperature chart (Celsius) Gig Harbor average temperature chart (Fahrenheit)
Average monthly temperatures in Gig Harbor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 9.9 11.6 14.3 18.1 21.4 24 24.1 21 15.7 10.5 7.5
°F 44.8 49.9 52.9 57.8 64.5 70.5 75.2 75.4 69.7 60.3 50.8 45.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Gig Harbor monthly rainfall chart (mm) Gig Harbor monthly rainfall chart (inches)
Average monthly rainfall in Gig Harbor (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 174 122 112 72 45 38 20 28 49 100 171 176
inches 6.8 4.8 4.4 2.8 1.8 1.5 0.8 1.1 1.9 3.9 6.7 6.9
Rainy days 18 16 17 14 11 8 5 6 9 13 18 20

Average annual rainfall in Gig Harbor: 1031.367mm (406.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Gig Harbor

Gig Harbor average daily sunshine chart
Average daily sunshine Gig Harbor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.6 4.2 6.1 7.4 8.8 9.6 10.9 9.8 8 5.1 2.8 2.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Gig Harbor average minimum / maximum temperatures (Celsius) Gig Harbor average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Gig Harbor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.8 1.7 2 3.8 6.5 9.5 10.9 11.2 9 5.9 3.2 1.4
Max °C 7.3 10.2 11.9 14.6 18.4 21.7 24.3 24.5 21.3 16 10.7 7.6
Min °F 33.4 35 35.5 38.8 43.6 49.1 51.6 52.1 48.1 42.5 37.7 34.5
Max °F 39.2 42.6 44.4 48.6 54.3 60.1 63.7 64 59.2 51.6 44.4 40.1

Sea temperature

The graph below shows the average sea temperature.

Gig Harbor average sea temperature chart (Celsius) Gig Harbor average sea temperature chart (Fahrenheit)
Average sea temperature around Gig Harbor in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.1 8 8.3 9.1 10.5 12 13.1 13.4 12.8 11.2 9.7 8.6
°F 46.5 46.4 47 48.4 50.9 53.6 55.5 56.2 55.1 52.1 49.5 47.5

Wind speed

The graph below shows the average wind speed.

Gig Harbor average winspeed by month (km/h) Gig Harbor average winspeed by month (mph)
Average wind speed in Gig Harbor (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 14 14 13 13 12 12 12 12 14 14
mph 9 9 9 9 8 8 8 7 7 7 9 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Gig Harbor relative humidity averages
Average relative humidity in Gig Harbor
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
83% 80% 77% 73% 71% 69% 68% 70% 75% 82% 84% 84%