ClimateForecastNovemberDecember >>

Penarth Climate by Month

The temperature in Penarth can vary quite a bit throughout the year. Temperatures can be pleasant during the warmest months, and cold during the cooler months. It also has a relatively rainy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Penarth can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 21°C in July to a chilly 9°C in February. Nighttime temperatures can drop, with averages reaching 4°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Penarth is known for its substantial rainfall, with annual precipitation reaching 1054 mm. The wettest period in Penarth occurs in October, which receives around 108 mm of precipitation. During the driest month, March, Penarth experiences moderate rainfall, totaling approximately 72 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Penarth, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours.

Monthly hours of sunshine

Data from: Cardiff, the United Kingdom (12 KM, 8 Miles).

Daily hours of sunshine

Data from: Cardiff, the United Kingdom (12 KM, 8 Miles).

Average water temperature

The mean water temperature over the year in Penarth ranges from 7°C in February to 16°C in August.

Water temperature over the year

Data from: Cardiff, the United Kingdom (12 KM, 8 Miles).

The best time of year to visit Penarth in the United Kingdom

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Penarth?
    July has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in Penarth?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Penarth?
    October tops the wettest month list with 108 mm of rainfall.
  • Which is the driest month in Penarth?
    March is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in Penarth?
    July is the sunniest month with an average of 202 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Penarth

    Thu   Nov 21
    5°C | -1°C
    NE 22 km/h
    2.3 mm
    partly cloudy and sleet

    partly cloudy and sleet

    Fri   Nov 22
    6°C | -2°C
    W 29 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    13°C | 2°C
    S 47 km/h
    26 mm
    overcast and heavy rain

    overcast and heavy rain