ClimateForecastDecemberJanuary >>

Llanarthney Climate by Month

The climate in Llanarthney is marked by big temperature swings throughout the year. Temperatures range from pleasant during the warmest months to cold in the cooler months. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Llanarthney, temperatures differ significantly between summer and winter months. Average daytime temperatures range from a pleasant 20°C in July, the warmest time of the year, to a chilly 9°C during cooler months like February. At night, temperatures typically average around 3°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Llanarthney experiences significant rainfall throughout the year, averaging 1336 mm of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 142 mm of precipitation, spread over 20 rainy days.

In contrast, April experiences a drier climate, with about 86 mm of rainfall spread across 14 rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Llanarthney. While July receives considerable daily sunshine with up to 6.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Cardiff, the United Kingdom (73 KM, 45 Miles).

Daily hours of sunshine

Data from: Cardiff, the United Kingdom (73 KM, 45 Miles).

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

Other facts from our historical weather data:
  • Which is the warmest month in Llanarthney?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Llanarthney?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Llanarthney?
    December tops the wettest month list with 142 mm of rainfall.
  • Which is the driest month in Llanarthney?
    April is the driest month with 86 mm of precipitation.
  • Which is the sunniest month in Llanarthney?
    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 Llanarthney

    Sun   Dec 15
    12°C | 9°C
    W 22 km/h
    0.3 mm
    broken clouds and small chance of slight rain

    broken clouds and small chance of slight rain

    Mon   Dec 16
    11°C | 8°C
    SW 22 km/h
    1.2 mm
    broken clouds and rain

    broken clouds and rain

    Tue   Dec 17
    14°C | 8°C
    S 32 km/h
    6.8 mm
    overcast and rain

    overcast and rain