Lynnwood (WA) monthly weather averages

Average daytime temperature

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

Lynnwood average temperature chart (Celsius) Lynnwood average temperature chart (Fahrenheit)
Average monthly temperatures in Lynnwood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.2 9.8 11.4 13.7 17.2 20.3 22.9 22.9 20.1 15.3 10.4 7.5
°F 45 49.6 52.4 56.7 63 68.5 73.2 73.2 68.1 59.6 50.6 45.5

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.

Lynnwood monthly rainfall chart (mm) Lynnwood monthly rainfall chart (inches)
Average monthly rainfall in Lynnwood (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 147 104 98 70 53 48 24 34 51 90 145 150
inches 5.8 4.1 3.9 2.8 2.1 1.9 1 1.3 2 3.5 5.7 5.9
Rainy days 18 15 16 13 11 9 5 6 9 12 17 18

Average annual rainfall in Lynnwood: 939.5mm (369.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Lynnwood

Lynnwood average daily sunshine chart
Average daily sunshine Lynnwood
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.5 4.1 5.8 7.1 8.6 9.4 10.8 9.8 7.8 5 2.7 2

Day / night temperatures

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

Lynnwood average minimum / maximum temperatures (Celsius) Lynnwood average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lynnwood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.9 2.9 3.5 5.3 8 10.9 12.7 12.9 10.7 7.5 4.5 2.4
Max °C 7.4 10 11.6 14 17.5 20.5 23.2 23.2 20.3 15.5 10.5 7.6
Min °F 35.3 37.1 38.2 41.5 46.3 51.6 54.8 55.1 51.3 45.5 40.1 36.3
Max °F 40.3 43.5 45.5 49.3 54.9 60.3 64.2 64.4 59.9 52.7 45.5 41

Sea temperature

The graph below shows the average sea temperature.

Lynnwood average sea temperature chart (Celsius) Lynnwood average sea temperature chart (Fahrenheit)
Average sea temperature around Lynnwood 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.

Lynnwood average winspeed by month (km/h) Lynnwood average winspeed by month (mph)
Average wind speed in Lynnwood (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.

Lynnwood relative humidity averages
Average relative humidity in Lynnwood
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 77% 74% 71% 69% 68% 66% 69% 74% 79% 81% 82%