Falmouth monthly weather averages

Average daytime temperature

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

Falmouth average temperature chart (Celsius) Falmouth average temperature chart (Fahrenheit)
Average monthly temperatures in Falmouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28 28.1 28.4 29 29.3 29.7 30.5 30.7 30.2 29.4 29.1 28.4
°F 82.3 82.6 83.2 84.2 84.7 85.4 87 87.3 86.3 84.9 84.3 83.2

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.

Falmouth monthly rainfall chart (mm) Falmouth monthly rainfall chart (inches)
Average monthly rainfall in Falmouth (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 111 87 65 99 156 132 90 125 147 202 177 137
inches 4.4 3.4 2.6 3.9 6.1 5.2 3.5 4.9 5.8 7.9 7 5.4
Rainy days 7 6 6 7 12 12 13 13 14 16 11 8

Average daily sunshine

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

Falmouth average daily sunshine chart
Average daily sunshine Falmouth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8 8.2 8.7 7.3 7.2 8.1 7.9 6.9 6.7 6.9 7.1

Day / night temperatures

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

Falmouth average minimum / maximum temperatures (Celsius) Falmouth average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Falmouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.6 18.9 19.6 20.4 21.6 22.2 22.1 22.3 22.1 21.8 21 19.6
Max °C 28.2 28.4 28.7 29.2 29.5 29.9 30.8 30.9 30.4 29.6 29.3 28.7
Min °F 65.5 65.9 67.2 68.7 70.8 71.9 71.7 72.1 71.7 71.2 69.7 67.2
Max °F 74.1 74.5 75.4 76.6 77.9 78.8 79.5 79.9 79.2 78.3 77.2 75.4

Sea temperature

The graph below shows the average sea temperature.

Falmouth average sea temperature chart (Celsius) Falmouth average sea temperature chart (Fahrenheit)
Average sea temperature around Falmouth in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.2 26.9 26.9 27.5 28.2 28.6 29 29.4 29.6 29.3 28.7 27.9
°F 81 80.4 80.5 81.5 82.7 83.5 84.2 85 85.2 84.8 83.7 82.2

Wind speed

The graph below shows the average wind speed.

Falmouth average winspeed by month (km/h) Falmouth average winspeed by month (mph)
Average wind speed in Falmouth (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 14 14 12 12 12 12 10 10 12 12
mph 8 8 9 9 7 7 8 7 6 6 7 8

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.

Falmouth relative humidity averages
Average relative humidity in Falmouth
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 77% 78% 77% 80% 80% 77% 79% 81% 82% 82% 79%

Other monthly averages

UV index Best time to go?

Falmouth weather stats

Falmouth weather statistics
Hottest month: August 30.7°C 87.3°F
Driest month: March 65mm 2.6ins
Sunniest month: April 8.7hrs
Coldest month: January 28°C 82.4°F
Wettest month: October 202mm 8ins
Warmest sea: September 29.6°C 85.3°F
Map showing location of Falmouth (18.49358, -77.65587)

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