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Llantwit Major Weather and Climate: A Comprehensive Guide

The temperature in Llantwit Major varies moderately throughout the year. The temperatures shift from pleasant to cold. It also experiences much rainfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The weather in Llantwit Major changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 20°C in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C.

At night, you can expect cooler temperatures, with averages dropping to around 4°C during this month.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Llantwit Major has a relatively rainy climate with high precipitation levels, averaging 1180 mm of rainfall annually. Despite minor fluctuations, Llantwit Major enjoys fairly consistent precipitation throughout the year. In December, you can expect around 126 mm of precipitation, while in April, Llantwit Major receives about 78 mm.

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

Sunshine over the year

Llantwit Major can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Cardiff, the United Kingdom (9 KM, 5 Miles).

Daily hours of sunshine

Data from: Cardiff, the United Kingdom (9 KM, 5 Miles).

Average water temperature

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

Water temperature over the year

Data from: Cardiff, the United Kingdom (9 KM, 5 Miles).

Forecast for Llantwit Major

Friday
14 Feb
Rain
Rain
5°C
5 mm
Saturday
15 Feb
Light rain
Light rain
6°C
4.4 mm
Sunday
16 Feb
Cloudy
Cloudy
5°C
0 mm

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Llantwit Major in the United Kingdom

Other facts from our historical weather data:
  • Which is the warmest month in Llantwit Major?
    August has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Llantwit Major?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Llantwit Major?
    December tops the wettest month list with 126 mm of rainfall.
  • Which is the driest month in Llantwit Major?
    April is the driest month with 78 mm of precipitation.
  • Which is the sunniest month in Llantwit Major?
    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.