Llanishen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Llanishen.
Climate overview of Llanishen
Llanishen, Gwent, United Kingdom, sees big temperature differences between seasons, with July peaking at 22°C (72°F) and February dropping to 9°C (48°F).
With around 854 mm (34 in) of annual rain/snowfall, the city has moderate precipitation levels. October is the wettest month and March the driest. The sunniest month is July, with 7.3 hours of sunshine per day on average.
Llanishen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Llanishen — and find the best time to visit.
Monthly Temperature in Llanishen
Visitors to Llanishen can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a pleasant 22°C (72°F) in July to a chilly 9°C (48°F) in the coolest month, February.
Nights vary from 13°C (55°F) in July to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Llanishen
Generally, Llanishen experiences moderate precipitation patterns, averaging 854 mm (34 in) yearly. Precipitation levels in Llanishen remain relatively steady throughout the year. October has the most rain, with 83 mm (3.3 in) over 17 days. In the driest month March, this drops slightly to 61 mm (2.4 in), making the city's climate fairly predictable. For more details, please visit our Llanishen Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Llanishen
For those who appreciate different seasons, Llanishen serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Llanishen
The weather does bring rainfall during this period, between 63 mm (2.5 in) and 73 mm (2.9 in). Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Llanishen
What is the best time to visit Llanishen?
June, July and August typically offer the most optimal weather in Llanishen. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Llanishen?
Daytime highs range from 9°C (48°F) in February to 22°C (72°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Llanishen get?
Annual rainfall is around 854 mm (34 in). October is the wettest month with 83 mm (3.3 in), while March is the driest with 61 mm (2.4 in).
How sunny is Llanishen?
Llanishen receives around 1,631 hours of sunshine per year. July is the sunniest month with 219 hours, while December is the cloudiest with just 53 hours.
Llanishen 3-Day Forecast
Llanishen 3-Day Forecast
Llanishen on the map
Llanishen is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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