Aloha (OR) monthly weather averages

Average daytime temperature

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

Aloha average temperature chart (Celsius) Aloha average temperature chart (Fahrenheit)
Average monthly temperatures in Aloha (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 9.8 12.3 14.9 18.5 22.2 25.5 25.8 22.9 17 10.6 7
°F 44.7 49.7 54.1 58.8 65.4 72 78 78.5 73.1 62.6 51.1 44.6

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.

Aloha monthly rainfall chart (mm) Aloha monthly rainfall chart (inches)
Average monthly rainfall in Aloha (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 180 129 120 72 54 39 15 25 45 88 169 198
inches 7.1 5.1 4.7 2.8 2.1 1.5 0.6 1 1.8 3.5 6.6 7.8
Rainy days 18 16 18 15 12 9 5 5 8 12 19 19

Average annual rainfall in Aloha: 1055.4mm (415.5 inches)

Average daily sunshine

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

Aloha average daily sunshine chart
Average daily sunshine Aloha
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.1 4.5 6.5 7.8 9.5 10.4 11.5 10.4 8.6 5.5 2.9 2.4

Day / night temperatures

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

Aloha average minimum / maximum temperatures (Celsius) Aloha average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Aloha (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.2 1.4 2.3 3.5 6.2 9.1 10.7 10.8 8.6 5.3 2.8 0.7
Max °C 7.2 10.1 12.6 15.2 18.9 22.6 25.9 26.2 23.2 17.3 10.8 7.2
Min °F 32.4 34.4 36.1 38.2 43.1 48.3 51.3 51.4 47.5 41.5 37 33.2
Max °F 38.7 42.3 45.3 48.7 54.5 60.4 64.9 65.3 60.6 52.3 44.2 39

Sea temperature

The graph below shows the average sea temperature.

Aloha average sea temperature chart (Celsius) Aloha average sea temperature chart (Fahrenheit)
Average sea temperature around Aloha in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 9 9.1 9.5 10.4 11.7 12.9 13.5 13.3 12 10.7 9.6
°F 48.3 48.1 48.4 49.1 50.7 53.1 55.3 56.3 55.9 53.6 51.2 49.2

Wind speed

The graph below shows the average wind speed.

Aloha average winspeed by month (km/h) Aloha average winspeed by month (mph)
Average wind speed in Aloha (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 15 14 13 13 13 13 12 12 11 14 15
mph 9 9 9 8 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.

Aloha relative humidity averages
Average relative humidity in Aloha
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 80% 76% 73% 71% 68% 65% 66% 70% 79% 83% 84%

Other monthly averages

UV index Best time to go?

Aloha weather stats

Aloha weather statistics
Hottest month: August 25.8°C 78.4°F
Driest month: July 15mm 0.6ins
Sunniest month: July 11.5hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 198mm 7.8ins
Warmest sea: August 13.5°C 56.3°F
Map showing location of Aloha (45.49428, -122.86705) Aloha map pin © Google

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