Runcorn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Runcorn.
Climate overview of Runcorn
Temperatures in Runcorn, Cheshire, United Kingdom, vary greatly throughout the year. July is the hottest month at 21°C (70°F), while January is the coldest at 9°C (48°F).
The city receives around 968 mm (38 in) of rain/snowfall per year. It experiences pleasant summers and cold winters. August is the wettest month and March the driest. The sunniest month is May, with 6.2 hours of sunshine per day on average.
Runcorn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Runcorn - and find the best time to visit.
Monthly Temperature in Runcorn
The climate in Runcorn is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 21°C (70°F) in July to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Runcorn
Generally, Runcorn receives mid-range precipitation levels, with 968 mm (38 in) annually. The wettest period in Runcorn occurs in August, which receives around 93 mm (3.7 in) of precipitation. During the driest month, March, Runcorn experiences moderate rainfall, totaling 68 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Runcorn 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 Runcorn
In Runcorn, summer days are longer and more sunny, with daily sunshine hours peaking at 6.2 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 1.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Runcorn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Runcorn
What is the best time to visit Runcorn?
July and August typically offer the most optimal weather in Runcorn. In contrast, January, February and December tend to have less optimal conditions. Runcorn has pleasant summers and cold winters.
What temperatures can I expect in Runcorn?
Daytime highs range from 9°C (48°F) in January to 21°C (70°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 Runcorn get?
Annual rainfall is around 968 mm (38 in). August is the wettest month with 93 mm (3.7 in), while March is the driest with 68 mm (2.7 in).
How sunny is Runcorn?
Runcorn receives around 1,382 hours of sunshine per year. May is the sunniest month with 187 hours, while January is the cloudiest with just 45 hours.
Runcorn 3-Day Forecast
Runcorn on the map
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