Llannon Weather & Climate: Best Time to Visit

The climate in Llannon experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around 3°C (37°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Llannon is known for its substantial rainfall, with annual precipitation reaching 1342 mm (53 in). While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 144 mm (5.7 in) of precipitation, spread over 20 rainy days.

In contrast, the driest month April experiences a drier climate, with about 84 mm (3.3 in) of rainfall spread across 14 rainy days. For more details, please visit our Llannon Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Llannon. 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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in January, reaching 89%. In June, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year