Heinävesi monthly weather averages

Contents

Average daytime temperature
Average rainfall
Average daily sunshine
Day / night temperatures
Sea temperature
Wind speed
Relative humidity
Quick weather stats
Location map

Average daytime temperature

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

Heinävesi average temperature chart (Celsius)

Heinävesi average temperature chart (Fahrenheit)

Average monthly temperatures in Heinävesi (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	-7.9	-6.9	-0.9	5.2	13.8	18.9	20.8	18.2	12.1	5.8	-0.3	-4.9
°F	17.7	19.6	30.3	41.3	56.8	66.1	69.5	64.8	53.8	42.4	31.5	23.3

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.

Heinävesi monthly rainfall chart (inches)

Average monthly rainfall in Heinävesi (mm and inches)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
mm	39	29	33	34	35	57	69	79	65	58	55	48
inches	1.5	1.1	1.3	1.3	1.4	2.2	2.7	3.1	2.6	2.3	2.2	1.9
Rainy days	23	18	17	14	12	14	15	17	18	19	23	24

Average annual rainfall in Heinävesi: 691.9mm (272.4 inches)

Average daily sunshine

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

Average daily sunshine Heinävesi
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hrs sunshine	0.7	1.8	3.7	5.8	9.2	0	4.4	6.9	4.1	2.3	0.8	0.5

Day / night temperatures

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

Heinävesi average minimum / maximum temperatures (Celsius)

Heinävesi average minimum / maximum temperatures (Fahrenheit)

Maximum and minimum daily temperatures in Heinävesi (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Min °C	-14.9	-14.1	-9.1	-2.8	3.6	9.5	12	10.4	5.8	1.1	-4.6	-11.1
Max °C	-7.8	-6.7	-0.8	5.4	14	19.2	21.1	18.4	12.3	5.9	-0.2	-4.7
Min °F	5.3	6.6	15.7	27.1	38.5	49	53.5	50.7	42.4	34	23.7	12
Max °F	11.7	13.3	23.2	34.3	47.8	57.7	61.7	57.9	48.2	38.3	27.7	17.8

Sea temperature

The graph below shows the average sea temperature.

Heinävesi average sea temperature chart (Fahrenheit)

Average sea temperature around Heinävesi in degrees centigrade and fahrenheit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	0.9	-0.1	-0.2	0.8	3.7	8.4	13.1	14.4	12.1	8.3	5.2	2.6
°F	33.6	31.9	31.6	33.5	38.7	47.1	55.6	57.9	53.7	47	41.3	36.7

Wind speed

The graph below shows the average wind speed.

Heinävesi average winspeed by month (km/h)

Heinävesi average winspeed by month (mph)

Average wind speed in Heinävesi (mph and kmh)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
km/h	11	11	12	12	12	12	10	11	12	13	13	12
mph	7	7	7	7	7	7	7	7	7	8	8	7

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.

Average relative humidity in Heinävesi
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
88%	87%	82%	73%	64%	65%	70%	77%	84%	86%	90%	90%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Heinävesi weather stats

Heinävesi weather statistics
Hottest month:	July	20.8°C 69.4°F
Driest month:	February	29mm 1.1ins
Sunniest month:	May	9.2hrs
Coldest month:	January	-7.9°C 17.8°F
Wettest month:	August	79mm 3.1ins
Warmest sea:	August	14.4°C 57.9°F