Lammi monthly weather averages

Contents

Average daytime temperature

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

Lammi average temperature chart (Celsius) Lammi average temperature chart (Fahrenheit)
Average monthly temperatures in Lammi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5.7 -5.2 -0.1 6 14.4 19.3 20.8 18.7 12.8 6.9 1.1 -3.1
°F 21.7 22.7 31.8 42.9 58 66.8 69.4 65.7 55 44.5 34 26.4

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.

Lammi monthly rainfall chart (mm) Lammi monthly rainfall chart (inches)
Average monthly rainfall in Lammi (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 38 28 31 34 37 50 77 85 65 58 54 47
inches 1.5 1.1 1.2 1.3 1.4 2 3 3.4 2.6 2.3 2.1 1.8
Rainy days 20 16 16 14 11 12 15 16 17 17 20 21

Average annual rainfall in Lammi: 689.666mm (271.5 inches)

Average daily sunshine

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

Lammi average daily sunshine chart
Average daily sunshine Lammi
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.8 1.9 3.8 5.9 9.1 5.1 4.3 7 4.4 2.7 1 0.6

Day / night temperatures

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

Lammi average minimum / maximum temperatures (Celsius) Lammi average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lammi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.5 -12.6 -8.3 -2.3 3.5 8.6 11 9.9 5.7 1.6 -3.4 -9.1
Max °C -5.6 -5 0.1 6.3 14.7 19.6 21 19 13 7.1 1.2 -3
Min °F 9.6 9.3 17.1 28 38.3 47.5 51.8 49.7 42.2 34.8 25.9 15.7
Max °F 15.8 16.2 24.6 35.6 48.4 57.4 60.8 57.9 48.7 39.7 30 21.2

Sea temperature

The graph below shows the average sea temperature.

Lammi average sea temperature chart (Celsius) Lammi average sea temperature chart (Fahrenheit)
Average sea temperature around Lammi in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.5 0.5 0.4 1.8 5.2 10.2 15.5 16.7 14 10 6.4 3.3
°F 34.7 32.8 32.7 35.3 41.3 50.3 59.9 62.1 57.2 49.9 43.5 37.9

Wind speed

The graph below shows the average wind speed.

Lammi average winspeed by month (km/h) Lammi average winspeed by month (mph)
Average wind speed in Lammi (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 10 11 12 12 12 10 10 11 12 12 12
mph 7 7 7 7 7 7 7 6 7 7 7 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.

Lammi relative humidity averages
Average relative humidity in Lammi
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 86% 81% 74% 65% 66% 72% 79% 85% 87% 90% 89%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Lammi weather stats

Lammi weather statistics
Hottest month: July 20.8°C 69.4°F
Driest month: February 28mm 1.1ins
Sunniest month: June 5.1hrs
Coldest month: January -5.7°C 21.7°F
Wettest month: August 85mm 3.3ins
Warmest sea: August 16.7°C 62.1°F
Map showing location of Lammi (61.08333, 25.01667) Lammi map pin © Google

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