Portstewart Climate by Month
The weather in Portstewart sees moderate temperature fluctuations over the course of a year.
Temperatures can be mild at the high end
to roughly cold at the low end.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The weather in Portstewart changes moderately throughout the year, offering enough variation to appreciate each season. Typically, daytime temperatures range from a moderate 17°C in August to a chilly 9°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
Portstewart experiences significant rainfall throughout the year, averaging 1341 mm of precipitation annually. Portstewart offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between November (145 mm) and May (79 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, Portstewart serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.8 hours of sunshine daily, and embrace the darker days in December, offering only 1.3 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Portstewart in the United Kingdom
Other facts from our historical weather data:August has an average maximum temperature of 17°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
November tops the wettest month list with 145 mm of rainfall.
May is the driest month with 79 mm of precipitation.
May is the sunniest month with an average of 203 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.