Swanage monthly weather averages

Contents

Average daytime temperature

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

Swanage average temperature chart (Celsius) Swanage average temperature chart (Fahrenheit)
Average monthly temperatures in Swanage (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.5 7.5 9.6 12.1 15.3 18.4 20.5 20.2 18 14.8 10.7 8.6
°F 45.5 45.5 49.3 53.8 59.5 65.1 68.9 68.4 64.4 58.6 51.2 47.5

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.

Swanage monthly rainfall chart (mm) Swanage monthly rainfall chart (inches)
Average monthly rainfall in Swanage (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 91 66 69 50 56 52 42 57 69 85 89 94
inches 3.6 2.6 2.7 2 2.2 2.1 1.7 2.2 2.7 3.4 3.5 3.7
Rainy days 17 13 15 13 13 11 9 11 12 15 16 17

Average annual rainfall in Swanage: 868.3mm (341.9 inches)

Average daily sunshine

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

Swanage average daily sunshine chart
Average daily sunshine Swanage
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.2 3.1 4.4 6.3 7.6 8.1 7.9 7.3 5.7 4 3 2.2

Day / night temperatures

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

Swanage average minimum / maximum temperatures (Celsius) Swanage average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Swanage (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.1 1.9 2.9 4.4 7.2 10.1 12 12 10.3 8.1 4.5 2.9
Max °C 7.6 7.7 9.8 12.3 15.5 18.6 20.7 20.5 18.2 15 10.8 8.7
Min °F 35.7 35.4 37.2 39.9 45 50.2 53.6 53.6 50.5 46.5 40.1 37.3
Max °F 40.7 40.6 43.4 47 52.4 57.9 61.4 61.2 57.6 52.7 45.8 42.5

Sea temperature

The graph below shows the average sea temperature.

Swanage average sea temperature chart (Celsius) Swanage average sea temperature chart (Fahrenheit)
Average sea temperature around Swanage in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.6 8.6 8.5 9.5 11.2 13.5 15.6 16.9 16.9 15.7 13.6 11.4
°F 49.3 47.4 47.3 49.1 52.2 56.3 60.1 62.4 62.3 60.2 56.6 52.5

Wind speed

The graph below shows the average wind speed.

Swanage average winspeed by month (km/h) Swanage average winspeed by month (mph)
Average wind speed in Swanage (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 18 17 16 15 14 14 14 15 16 17
mph 11 11 11 10 10 9 9 9 9 9 10 11

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.

Swanage relative humidity averages
Average relative humidity in Swanage
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 88% 85% 81% 81% 80% 80% 82% 86% 89% 89% 91%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Swanage weather stats

Swanage weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: July 42mm 1.7ins
Sunniest month: August 7.3hrs
Coldest month: February 7.5°C 45.5°F
Wettest month: December 94mm 3.7ins
Warmest sea: August 16.9°C 62.4°F
Map showing location of Swanage (50.60923, -1.9626) Swanage map pin © Google

Locations nearby

Top United Kingdom locations