Llansteffan monthly weather averages

Contents

Average daytime temperature

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

Llansteffan average temperature chart (Celsius) Llansteffan average temperature chart (Fahrenheit)
Average monthly temperatures in Llansteffan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.5 7.4 9.2 11.6 14.6 17.4 19.1 18.9 16.8 14.1 10.3 8.6
°F 45.5 45.4 48.5 52.9 58.2 63.3 66.4 66.1 62.3 57.4 50.6 47.4

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.

Llansteffan monthly rainfall chart (mm) Llansteffan monthly rainfall chart (inches)
Average monthly rainfall in Llansteffan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 114 76 82 65 64 70 66 87 99 122 119 121
inches 4.5 3 3.2 2.5 2.5 2.8 2.6 3.4 3.9 4.8 4.7 4.8
Rainy days 20 15 17 14 15 14 12 15 15 19 19 20

Average annual rainfall in Llansteffan: 1132.933mm (446 inches)

Average daily sunshine

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

Llansteffan average daily sunshine chart
Average daily sunshine Llansteffan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 3 4.1 6.2 7.2 7.2 7 6.4 5 3.5 2.7 1.8

Day / night temperatures

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

Llansteffan average minimum / maximum temperatures (Celsius) Llansteffan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Llansteffan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.4 2.1 3.1 4.6 7.3 10.1 11.9 11.9 10.2 8.2 4.8 3.3
Max °C 7.6 7.6 9.3 11.8 14.8 17.6 19.3 19.1 17 14.3 10.5 8.7
Min °F 36.3 35.7 37.6 40.3 45.1 50.1 53.4 53.4 50.4 46.7 40.6 37.9
Max °F 41 40.6 43.2 46.8 51.8 56.8 60.1 59.9 56.5 52.2 45.7 42.8

Sea temperature

The graph below shows the average sea temperature.

Llansteffan average sea temperature chart (Celsius) Llansteffan average sea temperature chart (Fahrenheit)
Average sea temperature around Llansteffan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.7 8.8 8.6 9.4 11.1 13.3 15.3 16.2 15.9 14.6 12.8 11.2
°F 49.5 47.9 47.5 48.9 51.9 55.9 59.5 61.2 60.6 58.3 55.1 52.1

Wind speed

The graph below shows the average wind speed.

Llansteffan average winspeed by month (km/h) Llansteffan average winspeed by month (mph)
Average wind speed in Llansteffan (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 24 23 23 19 19 17 17 18 19 21 23 25
mph 15 14 14 12 12 11 10 11 12 13 14 15

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.

Llansteffan relative humidity averages
Average relative humidity in Llansteffan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 88% 87% 84% 83% 85% 85% 86% 88% 89% 89% 91%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Llansteffan weather stats

Llansteffan weather statistics
Hottest month: July 19.1°C 66.4°F
Driest month: May 64mm 2.5ins
Sunniest month: May 7.2hrs
Coldest month: February 7.4°C 45.3°F
Wettest month: October 122mm 4.8ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Llansteffan (51.77222, -4.39139) Llansteffan map pin © Google

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