Swanley Junction Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Swanley Junction.
Climate overview of Swanley Junction
Temperatures in Swanley Junction, Kent, United Kingdom, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 9°C (48°F).
With around 726 mm (29 in) of annual rain/snowfall, the city has moderate precipitation levels. August is the wettest month and March the driest. It also has warm summers and cold winters. June is the sunniest month, averaging 6.8 hours of sunshine per day.
Swanley Junction Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Swanley Junction - and find the best time to visit.
Monthly Temperature in Swanley Junction
The climate in Swanley Junction is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 14°C (57°F) in July to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Swanley Junction
Generally, Swanley Junction receives mid-range precipitation levels, with 726 mm (29 in) annually. Precipitation levels in Swanley Junction remain relatively steady throughout the year. August has the most rain, with 70 mm (2.8 in) over 12 days. In the driest month March, this drops slightly to 48 mm (1.9 in), making the city's climate fairly predictable. For more details, please visit our Swanley Junction 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 Swanley Junction
For those who appreciate different seasons, Swanley Junction serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 6.8 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Swanley Junction
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May, June, July and August
- Fewer rainy days: February, June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Swanley Junction
What is the best time to visit Swanley Junction?
June, July, August and September typically offer the most optimal weather in Swanley Junction. In contrast, January, February and December tend to have less optimal conditions. Swanley Junction has warm summers and cold winters.
What temperatures can I expect in Swanley Junction?
Daytime highs range from 9°C (48°F) in January to 23°C (73°F) in July. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Swanley Junction get?
Annual rainfall is around 726 mm (29 in). August is the wettest month with 70 mm (2.8 in), while March is the driest with 48 mm (1.9 in).
How sunny is Swanley Junction?
Swanley Junction receives around 1,577 hours of sunshine per year. June is the sunniest month with 205 hours, while December is the cloudiest with just 50 hours.
Swanley Junction 3-Day Forecast
Swanley Junction on the map
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