Charlestown Climate by Month
The weather in Charlestown sees moderate temperature fluctuations over the course of a year.
Temperatures can be pleasant at the high end
to roughly cold at the low end.
It is also known for its large amounts of rainfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
In Charlestown, seasonal changes bring about a moderate variation in temperatures. Typically, daytime temperatures range from a pleasant 20°C in July to a chilly 10°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 5°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Charlestown experiences significant rainfall throughout the year, averaging 1005 mm of precipitation annually. Precipitation levels in Charlestown remain relatively steady throughout the year. December has the most rain, with 103 mm over 21 days. In September, this drops slightly to 69 mm, making the city's climate fairly predictable.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Charlestown serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.4 hours of sunshine daily, and embrace the darker days in December, offering only 2.2 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Charlestown 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 10°C.
December tops the wettest month list with 103 mm of rainfall.
September is the driest month with 69 mm of precipitation.
May is the sunniest month with an average of 222 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.