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Average Monthly Sunshine in Llandeilo

The graphs on this page shows the average number of hours per month and per day that Llandeilo receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine


Sunshine in Llandeilo varies greatly throughout the year. The sunniest month, July, reaches an impressive 202 hours, while December, the darkest month, offers only 49 hours. The total annual amount of sun is 1583 hours.

Daily hours of sunshine


For those who appreciate different seasons, Llandeilo serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 6.7 hours of sunshine daily, and embrace the darker days in December, offering only 1.6 hours of daily sunlight.

Llandeilo’s total hours of sunshine compared to other major cities

Llandeilo enjoys an average of 1583 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

December, Llandeilo’s wettest month, receives 104 mm of rainfall and has a maximum daytime temperature of 9°C. During the driest month April you can expect a temperature of 13°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Llandeilo Precipitation page.


Forecast: is it sunny in Llandeilo?

Tue   Dec 24
13°C | 9°C
W 5 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
12°C | 9°C
SW 5 m/s
0.4 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Thu   Dec 26
11°C | 8°C
S 2 m/s
overcast and no rain

overcast and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Llandeilo.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.