Portishead monthly weather averages

Contents

Average daytime temperature

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

Portishead average temperature chart (Celsius) Portishead average temperature chart (Fahrenheit)
Average monthly temperatures in Portishead (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.9 7.1 9.4 12.1 15.5 18.6 20.5 20.1 17.7 14.2 9.9 7.7
°F 44.5 44.7 49 53.8 59.9 65.5 68.9 68.2 63.9 57.5 49.8 45.9

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.

Portishead monthly rainfall chart (mm) Portishead monthly rainfall chart (inches)
Average monthly rainfall in Portishead (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 91 66 72 56 66 65 62 75 84 86 89 98
inches 3.6 2.6 2.8 2.2 2.6 2.6 2.4 3 3.3 3.4 3.5 3.8
Rainy days 19 14 17 15 15 13 12 14 14 17 17 18

Average annual rainfall in Portishead: 960.867mm (378.3 inches)

Average daily sunshine

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

Portishead average daily sunshine chart
Average daily sunshine Portishead
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.7 3.9 5.5 6.6 7.5 6.8 6.5 5.1 3.4 2.5 1.8

Day / night temperatures

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

Portishead average minimum / maximum temperatures (Celsius) Portishead average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Portishead (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.6 1.4 2.6 4.1 6.9 10 11.9 11.7 9.9 7.5 4 2.4
Max °C 7.1 7.2 9.6 12.3 15.7 18.9 20.7 20.3 17.9 14.4 10.1 7.9
Min °F 34.8 34.5 36.7 39.4 44.4 49.9 53.4 53.1 49.8 45.4 39.1 36.2
Max °F 39.7 39.7 43 46.8 52.3 57.9 61.3 60.8 57 51.6 44.6 41.2

Sea temperature

The graph below shows the average sea temperature.

Portishead average sea temperature chart (Celsius) Portishead average sea temperature chart (Fahrenheit)
Average sea temperature around Portishead in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.1 9.3 9.2 10 11.3 13.1 15 16.2 16.2 15.1 13.4 11.7
°F 50.2 48.7 48.6 49.9 52.3 55.5 59 61.2 61.2 59.2 56.2 53

Wind speed

The graph below shows the average wind speed.

Portishead average winspeed by month (km/h) Portishead average winspeed by month (mph)
Average wind speed in Portishead (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 17 16 16 14 14 14 14 14 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.

Portishead relative humidity averages
Average relative humidity in Portishead
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 84% 81% 80% 80% 80% 82% 85% 89% 90% 92%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Portishead weather stats

Portishead weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: April 56mm 2.2ins
Sunniest month: June 7.5hrs
Coldest month: January 6.9°C 44.4°F
Wettest month: December 98mm 3.9ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Portishead (51.48199, -2.76973) Portishead map pin © Google

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