Oulu monthly weather averages

Average daytime temperature

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

Oulu average temperature chart (Celsius) Oulu average temperature chart (Fahrenheit)
Average monthly temperatures in Oulu (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -7.7 -7 -1.8 4.2 11.7 17.6 20.1 17.5 11.6 5.3 -1 -5.3
°F 18.2 19.3 28.8 39.5 53 63.6 68.1 63.6 52.9 41.6 30.2 22.5

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.

Oulu monthly rainfall chart (mm) Oulu monthly rainfall chart (inches)
Average monthly rainfall in Oulu (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 35 26 29 24 35 47 62 64 53 51 42 37
inches 1.4 1 1.1 0.9 1.4 1.8 2.4 2.5 2.1 2 1.7 1.4
Rainy days 18 16 15 12 11 12 14 15 16 17 18 18

Average annual rainfall in Oulu: 594.3mm (234 inches)

Average daily sunshine

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

Oulu average daily sunshine chart
Average daily sunshine Oulu
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.8 2.1 4.1 6.8 4.4 0 0 7.7 4.6 2.7 1.3 0.5

Day / night temperatures

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

Oulu average minimum / maximum temperatures (Celsius) Oulu average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Oulu (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.5 -14.8 -10.2 -3.6 2.5 8.4 11.1 9.3 4.6 0.2 -6.4 -12.3
Max °C -7.5 -6.9 -1.6 4.4 11.9 17.8 20.3 17.8 11.8 5.5 -0.9 -5.1
Min °F 4.1 5.5 13.6 25.6 36.5 47.1 52 48.7 40.3 32.3 20.6 9.9
Max °F 11.3 12.6 21.4 32.7 45 55.6 60.3 56.3 46.8 37 25.5 16.3

Sea temperature

The graph below shows the average sea temperature.

Oulu average sea temperature chart (Celsius) Oulu average sea temperature chart (Fahrenheit)
Average sea temperature around Oulu in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.7 -0.4 -0.7 -0.1 2.3 6.8 12 13.6 11.5 8.1 5.1 2.7
°F 33.3 31.3 30.7 31.8 36.2 44.2 53.6 56.4 52.6 46.6 41.2 36.8

Wind speed

The graph below shows the average wind speed.

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

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.

Oulu relative humidity averages
Average relative humidity in Oulu
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
86% 85% 82% 74% 67% 65% 70% 77% 83% 86% 88% 88%

Other monthly averages

UV index Best time to go?

Oulu weather stats

Oulu weather statistics
Hottest month: July 20.1°C 68.2°F
Driest month: April 24mm 0.9ins
Sunniest month: June 0hrs
Coldest month: January -7.7°C 18.1°F
Wettest month: August 64mm 2.5ins
Warmest sea: August 13.6°C 56.5°F
Map showing location of Oulu (65.01236, 25.46816) Oulu map pin © Google

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