Rayleigh monthly weather averages

Contents

Average daytime temperature

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

Rayleigh average temperature chart (Celsius) Rayleigh average temperature chart (Fahrenheit)
Average monthly temperatures in Rayleigh (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.5 6.9 9.6 12.2 16.1 19.3 21.5 21.3 18.8 15 9.9 7.5
°F 43.7 44.4 49.2 54 60.9 66.8 70.7 70.4 65.8 58.9 49.8 45.4

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.

Rayleigh monthly rainfall chart (mm) Rayleigh monthly rainfall chart (inches)
Average monthly rainfall in Rayleigh (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 49 33 43 42 43 48 47 46 52 51 55 51
inches 1.9 1.3 1.7 1.6 1.7 1.9 1.8 1.8 2 2 2.2 2
Rainy days 17 13 15 14 13 12 11 12 12 13 16 15

Average annual rainfall in Rayleigh: 611.866mm (240.9 inches)

Average daily sunshine

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

Rayleigh average daily sunshine chart
Average daily sunshine Rayleigh
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.6 3.9 5.1 6.8 7.4 6.6 6.5 5.3 4 2.5 1.7

Day / night temperatures

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

Rayleigh average minimum / maximum temperatures (Celsius) Rayleigh average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rayleigh (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.4 1.2 2.5 4.2 7.1 10.1 12.3 12.1 10.2 7.7 4 2.2
Max °C 6.7 7 9.8 12.4 16.3 19.6 21.8 21.6 19 15.2 10.1 7.6
Min °F 34.4 34.2 36.4 39.6 44.8 50.1 54.1 53.7 50.4 45.8 39.1 36
Max °F 39.2 39.4 43 46.9 53.1 58.6 62.6 62.2 58.3 52.5 44.6 40.8

Sea temperature

The graph below shows the average sea temperature.

Rayleigh average sea temperature chart (Celsius) Rayleigh average sea temperature chart (Fahrenheit)
Average sea temperature around Rayleigh in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.7 7.7 7.8 9.1 11 13.2 15.5 17.1 17.2 15.7 13.1 10.5
°F 47.6 45.9 46 48.3 51.7 55.8 59.8 62.8 63 60.3 55.6 50.9

Wind speed

The graph below shows the average wind speed.

Rayleigh average winspeed by month (km/h) Rayleigh average winspeed by month (mph)
Average wind speed in Rayleigh (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 15 15 17 18
mph 11 11 11 11 10 9 9 9 9 9 11 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.

Rayleigh relative humidity averages
Average relative humidity in Rayleigh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 83% 81% 80% 78% 78% 80% 84% 88% 90% 91%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Rayleigh weather stats

Rayleigh weather statistics
Hottest month: July 21.5°C 70.7°F
Driest month: February 33mm 1.3ins
Sunniest month: June 7.4hrs
Coldest month: January 6.5°C 43.7°F
Wettest month: November 55mm 2.2ins
Warmest sea: September 17.2°C 63°F
Map showing location of Rayleigh (51.58571, 0.60459) Rayleigh map pin © Google

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