Haverfordwest monthly weather averages

Contents

Average daytime temperature

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

Haverfordwest average temperature chart (Celsius) Haverfordwest average temperature chart (Fahrenheit)
Average monthly temperatures in Haverfordwest (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.8 7.4 9.2 11.4 14.1 17 18.7 18.6 16.7 14.1 10.6 8.9
°F 46.1 45.4 48.5 52.6 57.5 62.6 65.7 65.6 62 57.4 51.1 48

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.

Haverfordwest monthly rainfall chart (mm) Haverfordwest monthly rainfall chart (inches)
Average monthly rainfall in Haverfordwest (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 91 64 68 53 50 56 48 71 77 99 102 103
inches 3.6 2.5 2.7 2.1 2 2.2 1.9 2.8 3 3.9 4 4
Rainy days 20 15 17 13 14 13 11 14 15 18 19 19

Average annual rainfall in Haverfordwest: 927.533mm (365.2 inches)

Average daily sunshine

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

Haverfordwest average daily sunshine chart
Average daily sunshine Haverfordwest
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.2 3.1 4.4 6.6 7.7 7.8 7.4 6.9 5.4 3.7 2.7 2

Day / night temperatures

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

Haverfordwest average minimum / maximum temperatures (Celsius) Haverfordwest average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Haverfordwest (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.5 2.9 3.9 5.2 7.7 10.5 12.3 12.4 11 9.2 5.9 4.4
Max °C 8 7.6 9.3 11.6 14.3 17.2 18.9 18.8 16.8 14.3 10.8 9
Min °F 38.2 37.1 39 41.4 45.9 50.8 54.1 54.3 51.8 48.5 42.5 39.9
Max °F 42.3 41.4 43.9 47.1 51.8 56.8 60.1 60.1 57 53.1 46.9 44.1

Sea temperature

The graph below shows the average sea temperature.

Haverfordwest average sea temperature chart (Celsius) Haverfordwest average sea temperature chart (Fahrenheit)
Average sea temperature around Haverfordwest 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.

Haverfordwest average winspeed by month (km/h) Haverfordwest average winspeed by month (mph)
Average wind speed in Haverfordwest (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 26 24 23 20 19 18 17 18 20 22 24 25
mph 16 15 15 13 12 11 11 11 13 14 15 16

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.

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

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Haverfordwest weather stats

Haverfordwest weather statistics
Hottest month: July 18.7°C 65.7°F
Driest month: July 48mm 1.9ins
Sunniest month: May 7.7hrs
Coldest month: February 7.4°C 45.3°F
Wettest month: December 103mm 4.1ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Haverfordwest (51.80169, -4.96914) Haverfordwest map pin © Google

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