Merton Climate by Month
Temperatures see a moderate degree of fluctuation,
transitioning from pleasant conditions
to cold.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The climate in Merton experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a pleasant 20°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C. At night, expect cooler temperatures, averaging 4°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Merton is known for its substantial rainfall, with annual precipitation reaching 1017 mm. Despite minor fluctuations, Merton enjoys fairly consistent precipitation throughout the year. In December, you can expect around 104 mm of precipitation, while in March, Merton receives about 73 mm.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Merton can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Merton in the United Kingdom
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
December tops the wettest month list with 104 mm of rainfall.
March is the driest month with 73 mm of precipitation.
May is the sunniest month with an average of 197 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.