Llanelli Climate by Month
Temperatures see a moderate degree of fluctuation,
transitioning from pleasant conditions
to cold.
It is also known for its large amounts of rainfall.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Llanelli, seasonal changes bring about a moderate variation in temperatures. Typically, daytime temperatures range from a pleasant 19°C in August to a chilly 9°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 4°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Llanelli is known for its substantial rainfall, with annual precipitation reaching 1377 mm. Llanelli offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (152 mm) and April (83 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Llanelli 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.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Llanelli.
Relative humidity over the year
The best time of year to visit Llanelli in the United Kingdom
Other facts from our historical weather data:Most rainfall (rainy season) is seen in October, November and December.
August has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
October tops the wettest month list with 152 mm of rainfall.
April is the driest month with 83 mm of precipitation.
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.