Isojoki monthly weather averages

Contents

Average daytime temperature

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

Isojoki average temperature chart (Celsius) Isojoki average temperature chart (Fahrenheit)
Average monthly temperatures in Isojoki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.8 -4.6 -0.1 5.7 13.5 18.5 20.1 18.1 12.7 7.1 1.3 -2.5
°F 23.4 23.8 31.8 42.3 56.4 65.4 68.1 64.6 54.8 44.8 34.4 27.4

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.

Isojoki monthly rainfall chart (mm) Isojoki monthly rainfall chart (inches)
Average monthly rainfall in Isojoki (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 37 26 29 34 35 45 65 74 66 52 55 42
inches 1.5 1 1.2 1.3 1.4 1.8 2.6 2.9 2.6 2 2.2 1.7
Rainy days 20 15 14 13 11 11 14 15 16 16 19 20

Average annual rainfall in Isojoki: 642.4mm (252.9 inches)

Average daily sunshine

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

Isojoki average daily sunshine chart
Average daily sunshine Isojoki
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.6 1.6 3.3 5.4 8.3 0 4 6.3 3.9 2.4 1.1 0.6

Day / night temperatures

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

Isojoki average minimum / maximum temperatures (Celsius) Isojoki average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Isojoki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.2 -11.4 -7.7 -2.1 3.2 8.2 10.5 9.5 5.6 1.6 -3.5 -8.4
Max °C -4.7 -4.4 0.1 5.9 13.8 18.8 20.3 18.4 12.9 7.3 1.5 -2.4
Min °F 11.9 11.5 18.2 28.2 37.8 46.8 50.9 49 42 34.8 25.8 16.9
Max °F 17.8 17.8 25.2 35.4 47.3 56.3 59.7 57 48.6 39.9 30.2 22.3

Sea temperature

The graph below shows the average sea temperature.

Isojoki average sea temperature chart (Celsius) Isojoki average sea temperature chart (Fahrenheit)
Average sea temperature around Isojoki in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.9 0.8 0.6 1.4 3.8 8.5 14.2 15.7 12.7 8.7 5.5 3.3
°F 35.5 33.4 33 34.6 38.8 47.3 57.5 60.3 54.8 47.7 41.8 37.9

Wind speed

The graph below shows the average wind speed.

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

Isojoki relative humidity averages
Average relative humidity in Isojoki
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 87% 83% 76% 68% 68% 73% 79% 85% 88% 90% 89%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Isojoki weather stats

Isojoki weather statistics
Hottest month: July 20.1°C 68.2°F
Driest month: February 26mm 1ins
Sunniest month: June 0hrs
Coldest month: January -4.8°C 23.4°F
Wettest month: August 74mm 2.9ins
Warmest sea: August 15.7°C 60.3°F
Map showing location of Isojoki (62.11319, 21.95884) Isojoki map pin © Google

Locations nearby

Top Finland locations