Pertteli monthly weather averages

Average daytime temperature

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

Pertteli average temperature chart (Celsius) Pertteli average temperature chart (Fahrenheit)
Average monthly temperatures in Pertteli (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4 -3.9 0.2 6.3 13.9 18.9 20.4 18.9 13.5 8.1 2.5 -1.3
°F 24.8 25.1 32.4 43.3 57 66 68.8 66.1 56.3 46.5 36.6 29.6

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.

Pertteli monthly rainfall chart (mm) Pertteli monthly rainfall chart (inches)
Average monthly rainfall in Pertteli (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 28 31 35 34 41 67 80 67 65 67 54
inches 1.7 1.1 1.2 1.4 1.3 1.6 2.6 3.2 2.6 2.6 2.6 2.1
Rainy days 21 16 15 13 11 11 14 15 17 16 20 21

Average annual rainfall in Pertteli: 696.867mm (274.4 inches)

Average daily sunshine

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

Pertteli average daily sunshine chart
Average daily sunshine Pertteli
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.2 2.4 4.3 6.1 9 10.7 9.2 7.3 4.6 3 1.3 1

Day / night temperatures

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

Pertteli average minimum / maximum temperatures (Celsius) Pertteli average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Pertteli (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10 -10.3 -7 -1.3 3.9 8.9 11.4 10.7 6.8 2.8 -1.9 -6.6
Max °C -3.9 -3.7 0.4 6.5 14.2 19.2 20.7 19.2 13.7 8.2 2.7 -1.2
Min °F 14.1 13.5 19.4 29.8 38.9 47.9 52.4 51.2 44.2 37 28.7 20.1
Max °F 19.6 19.4 26.1 36.7 48.2 57.2 60.8 58.8 50.4 41.9 32.7 25

Sea temperature

The graph below shows the average sea temperature.

Pertteli average sea temperature chart (Celsius) Pertteli average sea temperature chart (Fahrenheit)
Average sea temperature around Pertteli in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.5 1.2 1.1 2.3 5.5 10.6 16 17.2 14.5 10.6 7.3 4.5
°F 36.5 34.2 34.1 36.2 41.9 51 60.8 63 58 51.1 45.1 40.1

Wind speed

The graph below shows the average wind speed.

Pertteli average winspeed by month (km/h) Pertteli average winspeed by month (mph)
Average wind speed in Pertteli (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 14 14 14 14 14 13 13 14 15 16 16
mph 9 9 9 9 9 9 8 8 9 9 10 10

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.

Pertteli relative humidity averages
Average relative humidity in Pertteli
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 88% 83% 78% 71% 70% 76% 80% 85% 86% 89% 89%

Other monthly averages

UV index Best time to go?

Pertteli weather stats

Pertteli weather statistics
Hottest month: July 20.4°C 68.7°F
Driest month: February 28mm 1.1ins
Sunniest month: June 10.7hrs
Coldest month: February -3.9°C 25°F
Wettest month: August 80mm 3.1ins
Warmest sea: August 17.2°C 63°F
Map showing location of Pertteli (60.43333, 23.26667) Pertteli map pin © Google

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