Sarnen monthly weather averages

Average daytime temperature

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

Sarnen average temperature chart (Celsius) Sarnen average temperature chart (Fahrenheit)
Average monthly temperatures in Sarnen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.7 2.2 5.6 9.8 13.9 17.5 20 19 16 11.1 5.5 2
°F 33.3 35.9 42 49.6 57 63.5 68 66.2 60.8 52 41.8 35.6

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.

Sarnen monthly rainfall chart (mm) Sarnen monthly rainfall chart (inches)
Average monthly rainfall in Sarnen (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 77 74 77 102 126 151 140 160 110 81 93 77
inches 3 2.9 3 4 5 5.9 5.5 6.3 4.3 3.2 3.7 3
Rainy days 15 14 16 17 19 18 17 17 14 13 15 14

Average annual rainfall in Sarnen: 1322.267mm (520.6 inches)

Average daily sunshine

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

Sarnen average daily sunshine chart
Average daily sunshine Sarnen
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.7 3.8 4.6 5.3 5.7 6.5 7.5 6.8 6 4.4 3.1 2.7

Day / night temperatures

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

Sarnen average minimum / maximum temperatures (Celsius) Sarnen average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sarnen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.5 -3.5 -1.4 1.9 5.7 9.1 11 10.6 8.4 4.8 0 -3.1
Max °C 0.9 2.3 5.8 10 14.1 17.7 20.2 19.2 16.2 11.3 5.6 2.1
Min °F 24 25.7 29.6 35.3 42.3 48.4 51.8 51.1 47.1 40.6 32 26.4
Max °F 28.8 30.9 36 42.6 49.8 56.1 60.1 58.8 54.1 46.4 37 31.1

Sea temperature

The graph below shows the average sea temperature.

Sarnen average sea temperature chart (Celsius) Sarnen average sea temperature chart (Fahrenheit)
Average sea temperature around Sarnen in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11 10.1 10.5 12.6 16.3 20.1 22.7 23.5 21.4 18.5 15.4 12.8
°F 51.8 50.2 50.9 54.7 61.3 68.1 72.9 74.4 70.6 65.2 59.7 55.1

Wind speed

The graph below shows the average wind speed.

Sarnen average winspeed by month (km/h) Sarnen average winspeed by month (mph)
Average wind speed in Sarnen (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 10 11 10 9 8 8 7 7 8 9 10
mph 7 6 7 6 6 5 5 5 5 5 6 6

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.

Sarnen relative humidity averages
Average relative humidity in Sarnen
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 76% 73% 73% 75% 75% 74% 77% 79% 80% 79% 78%

Other monthly averages

UV index Best time to go?

Sarnen weather stats

Sarnen weather statistics
Hottest month: July 20°C 68°F
Driest month: February 74mm 2.9ins
Sunniest month: July 7.5hrs
Coldest month: January 0.7°C 33.3°F
Wettest month: August 160mm 6.3ins
Warmest sea: August 23.5°C 74.3°F
Map showing location of Sarnen (46.89851, 8.25068) Sarnen map pin © Google

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