Astoria (OR) monthly weather averages

Contents

Average daytime temperature

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

Astoria average temperature chart (Celsius) Astoria average temperature chart (Fahrenheit)
Average monthly temperatures in Astoria (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 10.1 11.5 13.2 15.8 18.2 20.2 20.8 19.9 15.9 11.3 8.3
°F 46.8 50.2 52.7 55.8 60.4 64.7 68.3 69.4 67.9 60.7 52.3 47

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.

Astoria monthly rainfall chart (mm) Astoria monthly rainfall chart (inches)
Average monthly rainfall in Astoria (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 274 210 193 128 80 65 31 39 77 158 264 286
inches 10.8 8.3 7.6 5 3.2 2.6 1.2 1.5 3 6.2 10.4 11.3
Rainy days 21 19 20 18 15 12 7 8 10 15 21 22

Average annual rainfall in Astoria: 1726.3mm (679.6 inches)

Average daily sunshine

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

Astoria average daily sunshine chart
Average daily sunshine Astoria
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.8 4.1 5.8 7.1 8.4 9.1 10.1 9.1 7.8 5 2.8 2.3

Day / night temperatures

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

Astoria average minimum / maximum temperatures (Celsius) Astoria average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Astoria (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.4 2.1 2.5 3.8 6.2 8.8 10.4 10.6 8.4 5.6 3.6 1.7
Max °C 8.4 10.3 11.7 13.5 16 18.4 20.4 21.1 20.2 16.2 11.5 8.5
Min °F 34.5 35.8 36.5 38.8 43.2 47.8 50.7 51 47.1 42.1 38.4 35.1
Max °F 40.8 43.2 44.8 47.5 52 56.5 59.7 60.4 57.7 51.6 45.5 41.2

Sea temperature

The graph below shows the average sea temperature.

Astoria average sea temperature chart (Celsius) Astoria average sea temperature chart (Fahrenheit)
Average sea temperature around Astoria in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 9 9.3 10 11.6 13.2 14.4 14.7 14.4 12.8 11.2 9.8
°F 48.4 48.2 48.7 50.1 52.8 55.8 57.9 58.5 57.9 55 52.1 49.6

Wind speed

The graph below shows the average wind speed.

Astoria average winspeed by month (km/h) Astoria average winspeed by month (mph)
Average wind speed in Astoria (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 15 15 14 14 14 14 13 12 12 15 15
mph 9 9 9 9 9 9 9 8 8 8 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.

Astoria relative humidity averages
Average relative humidity in Astoria
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
84% 82% 81% 79% 79% 78% 78% 80% 80% 83% 84% 85%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Astoria weather stats

Astoria weather statistics
Hottest month: August 20.8°C 69.4°F
Driest month: July 31mm 1.2ins
Sunniest month: July 10.1hrs
Coldest month: January 8.2°C 46.8°F
Wettest month: December 286mm 11.3ins
Warmest sea: August 14.7°C 58.5°F
Map showing location of Astoria (46.18788, -123.83125) Astoria map pin © Google

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