Stromness monthly weather averages

Contents

Average daytime temperature

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

Stromness average temperature chart (Celsius) Stromness average temperature chart (Fahrenheit)
Average monthly temperatures in Stromness (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.5 5.6 6.7 8.6 11 13.7 14.9 15.1 13.2 11.1 7.6 6.2
°F 42 42.1 44.1 47.5 51.8 56.7 58.8 59.2 55.8 52 45.7 43.2

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.

Stromness monthly rainfall chart (mm) Stromness monthly rainfall chart (inches)
Average monthly rainfall in Stromness (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 110 77 87 60 54 57 61 82 104 113 126 116
inches 4.3 3 3.4 2.3 2.1 2.2 2.4 3.2 4.1 4.5 5 4.6
Rainy days 24 19 22 19 16 17 18 19 22 23 24 25

Average annual rainfall in Stromness: 1102.067mm (433.9 inches)

Average daily sunshine

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

Stromness average daily sunshine chart
Average daily sunshine Stromness
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.3 2.8 3.6 5.1 6 6.1 4.8 4.8 3.7 2.9 1.6 1

Day / night temperatures

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

Stromness average minimum / maximum temperatures (Celsius) Stromness average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Stromness (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1 0.9 1.6 2.7 5.1 7.6 9.2 9.4 7.9 6.2 2.9 1.7
Max °C 5.7 5.8 6.9 8.8 11.2 13.9 15 15.3 13.4 11.3 7.8 6.4
Min °F 33.7 33.5 34.8 36.8 41.1 45.6 48.6 48.8 46.1 43.1 37.1 35
Max °F 37.9 37.9 39.6 42.3 46.6 51.3 53.8 54.1 51.1 47.7 41.5 39.2

Sea temperature

The graph below shows the average sea temperature.

Stromness average sea temperature chart (Celsius) Stromness average sea temperature chart (Fahrenheit)
Average sea temperature around Stromness in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.4 7.6 7.3 7.6 8.9 10.8 12.5 13.2 12.6 11.8 10.8 9.6
°F 47.1 45.6 45.2 45.7 48 51.4 54.5 55.8 54.6 53.2 51.4 49.2

Wind speed

The graph below shows the average wind speed.

Stromness average winspeed by month (km/h) Stromness average winspeed by month (mph)
Average wind speed in Stromness (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 27 25 27 22 21 19 19 18 22 24 25 27
mph 17 16 17 14 13 12 12 11 14 15 16 17

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.

Stromness relative humidity averages
Average relative humidity in Stromness
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 87% 86% 86% 85% 85% 86% 88% 88% 89% 89% 89%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Stromness weather stats

Stromness weather statistics
Hottest month: August 15.1°C 59.2°F
Driest month: May 54mm 2.1ins
Sunniest month: April 5.1hrs
Coldest month: January 5.5°C 41.9°F
Wettest month: November 126mm 5ins
Warmest sea: August 13.2°C 55.8°F
Map showing location of Stromness (58.96498, -3.29601) Stromness map pin © Google

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