Kouvola monthly weather averages

Average daytime temperature

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

Kouvola average temperature chart (Celsius) Kouvola average temperature chart (Fahrenheit)
Average monthly temperatures in Kouvola (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5.7 -5 0 6.5 15 19.9 21.3 19.3 13.4 7.5 1.4 -3
°F 21.7 23 32 43.7 59 67.8 70.4 66.7 56.1 45.4 34.5 26.6

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.

Kouvola monthly rainfall chart (mm) Kouvola monthly rainfall chart (inches)
Average monthly rainfall in Kouvola (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 40 30 33 32 37 46 73 84 68 63 58 52
inches 1.6 1.2 1.3 1.3 1.5 1.8 2.9 3.3 2.7 2.5 2.3 2
Rainy days 21 16 15 13 10 12 14 16 17 17 20 22

Average annual rainfall in Kouvola: 703.367mm (276.9 inches)

Average daily sunshine

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

Kouvola average daily sunshine chart
Average daily sunshine Kouvola
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.6 1.6 3.6 5.7 8.8 4.9 9.2 6.7 4.2 2.5 0.8 0.5

Day / night temperatures

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

Kouvola average minimum / maximum temperatures (Celsius) Kouvola average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Kouvola (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.9 -11.6 -7.4 -1.5 4.6 9.5 11.9 10.9 6.5 2.2 -2.9 -8.6
Max °C -5.6 -4.9 0.2 6.7 15.3 20.2 21.6 19.5 13.6 7.6 1.5 -2.9
Min °F 10.7 11.2 18.7 29.3 40.2 49 53.3 51.6 43.6 36 26.8 16.6
Max °F 16.3 17.2 25.5 36.7 49.8 58.6 62.1 59.4 50 40.8 30.7 21.7

Sea temperature

The graph below shows the average sea temperature.

Kouvola average sea temperature chart (Celsius) Kouvola average sea temperature chart (Fahrenheit)
Average sea temperature around Kouvola in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.4 0.3 0.3 1.9 5.4 10.5 15.7 16.8 14.1 9.9 6.3 3.1
°F 34.4 32.6 32.6 35.4 41.7 50.9 60.3 62.3 57.3 49.9 43.4 37.5

Wind speed

The graph below shows the average wind speed.

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

Kouvola relative humidity averages
Average relative humidity in Kouvola
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 87% 82% 75% 67% 68% 73% 80% 85% 87% 90% 90%

Other monthly averages

UV index Best time to go?

Kouvola weather stats

Kouvola weather statistics
Hottest month: July 21.3°C 70.3°F
Driest month: February 30mm 1.2ins
Sunniest month: June 4.9hrs
Coldest month: January -5.7°C 21.7°F
Wettest month: August 84mm 3.3ins
Warmest sea: August 16.8°C 62.2°F
Map showing location of Kouvola (60.86667, 26.7) Kouvola map pin © Google

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