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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Swanley, United Kingdom, is a frosty winter month, with an average temperature ranging between min 2.4°C (36.3°F) and max 6.7°C (44.1°F). January is the coldest month, exhibiting average temperatures of 6.7°C (44.1°F) at the peak and 2.4°C (36.3°F) at the base. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Swanley, United Kingdom, with an average temperature varying between 2.6°C (36.7°F) and 7.5°C (45.5°F). February observes an average high-temperature of a still frosty 7.5°C (45.5°F), marking an insignificant difference from January's 6.7°C (44.1°F). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Swanley, United Kingdom, with an average temperature ranging between min 3.7°C (38.7°F) and max 10.4°C (50.7°F). The advent of March sees the average high-temperature at a cool 10.4°C (50.7°F), subtly shifted from February's 7.5°C (45.5°F). Weather in March »
Weather in April
April is a mild spring month in Swanley, United Kingdom, with an average temperature varying between 13.9°C (57°F) and 5.5°C (41.9°F). A subtle rise in the average high-temperature is observed during April, adjusting from a fresh 10.4°C (50.7°F) in March to a moderate 13.9°C (57°F). Weather in April »
Weather in May
May, the last month of the spring in Swanley, is a comfortable month, with an average temperature varying between 8°C (46.4°F) and 16.5°C (61.7°F). May commences with an average high-temperature of a still refreshing 16.5°C (61.7°F), showing little deviation from April's 13.9°C (57°F). Weather in May »
Weather in June
The first month of the summer, June, is also an enjoyable month in Swanley, United Kingdom, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 19.4°C (66.9°F). As June takes hold, the average high-temperature is a still refreshing 19.4°C (66.9°F), nearly mirroring that of the previous month. Weather in June »
Weather in July
July is an agreeable summer month in Swanley, United Kingdom, with an average temperature ranging between max 21.9°C (71.4°F) and min 13.5°C (56.3°F). Swanley's July weather, marked by an average high temperature of 21.9°C (71.4°F) and an average low temperature of 13.5°C (56.3°F), is the warmest in the year. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Swanley, United Kingdom, with an average temperature ranging between max 21.7°C (71.1°F) and min 13.8°C (56.8°F). The onset of August notes an average high-temperature of a still pleasant 21.7°C (71.1°F), subtly shifted from July's 21.9°C (71.4°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Swanley, United Kingdom, with an average temperature varying between 11.5°C (52.7°F) and 18.7°C (65.7°F). A moderate decline in average high-temperatures is noted in September, moving from a pleasant 21.7°C (71.1°F) in August to a refreshing 18.7°C (65.7°F). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Swanley, United Kingdom, with an average temperature fluctuating between 15.1°C (59.2°F) and 9.2°C (48.6°F). With the onset of October, Swanley's average high-temperature slightly adjusts, moderately receding from September's enjoyable 18.7°C (65.7°F) to a moderate 15.1°C (59.2°F). Weather in October »
Weather in November
November, the last month of the autumn in Swanley, is also a fresh month, with an average temperature varying between 5.6°C (42.1°F) and 10.2°C (50.4°F). The start of November signals a gentle decrease in the average high-temperature, transitioning from a moderate 15.1°C (59.2°F) in October to a cool 10.2°C (50.4°F). Weather in November »
Weather in December
December, the first month of the winter in Swanley, is still a chilly month, with temperature in the range of an average low of 3.6°C (38.5°F) and an average high of 7.9°C (46.2°F). The average high-temperature during December registers at a frosty 7.9°C (46.2°F), closely corresponding to the preceding month. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Swanley?
Swanley's coldest temperatures are experienced in January, with average high temperatures of 6.7°C (44.1°F) and lows of 2.4°C (36.3°F).
How many days does it rain in Swanley?
Throughout the year, there are 151.6 rainfall days, and 342mm (13.46") of precipitation is accumulated.
When does it snow in Swanley?
Months with snowfall in Swanley are January through April, November and December.
How much does it snow in Swanley?
Throughout the year, in Swanley, there are 11.9 snowfall days, and 69mm (2.72") of snow is accumulated.
When is the lowest UV index in Swanley?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Swanley?
February is the month with the most snowfall in Swanley, United Kingdom. Snow falls for 4.2 days and accumulates 23mm (0.91") of snow.
What is the month with the least sunshine in Swanley?
With an average of 3.6h of sunshine, February has the least sunshine of the year.
What is the driest month in Swanley?
April is the month with the least rainfall. Rain falls for 12.4 days and accumulates 18mm (0.71") of precipitation.
When it does not snow in Swanley?
May through October are months without snowfall in Swanley, United Kingdom.
When are the longest days in Swanley?
The month with the longest days is June, with an average of 16h and 30min of daylight.
When is the highest UV index in Swanley?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What part of the year is the hottest in Swanley?
July, with average temperatures reaching a high of 21.9°C (71.4°F) and a low of 13.5°C (56.3°F), is the warmest month.
What are the least humid months in Swanley?
The months with the lowest humidity in Swanley are July and August, with an average relative humidity of 74%.
What are the months with the most sunshine in Swanley?
The months with the most sunshine in Swanley are July and August, with an average of 8.3h of sunshine.
When is Daylight Saving Time (DST) in Swanley?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
What is the most humid month in Swanley?
December is the most humid month in Swanley, with an average relative humidity of 89%.
What is the wettest month in Swanley?
The month with the most rainfall in Swanley is December, when the rain falls for 12.5 days and typically aggregates up to 38mm (1.5") of precipitation.
What is the month with the shortest days in Swanley?
With an average of 7h and 54min of daylight, December has the shortest days of the year.
Average temperature
Swanley, United Kingdom
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (6.7°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure
Swanley, United Kingdom
- Average pressure in January:
1014.7mbar - Average pressure in February:
1014mbar - Average pressure in March:
1015.6mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015mbar - Average pressure in September:
1017mbar - Average pressure in October:
1015.2mbar - Average pressure in November:
1010.7mbar - Average pressure in December:
1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed
Swanley, United Kingdom
- Average wind speed in January:
16.8km/h - Average wind speed in February:
17.7km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
13.5km/h - Average wind speed in June:
13.1km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
13km/h - Average wind speed in September:
12.9km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
15.9km/h - Average wind speed in December:
17.3km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (12.9km/h).
Average humidity
Swanley, United Kingdom
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall
Swanley, United Kingdom
The wettest month (with the highest rainfall) is December (38mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days
Swanley, United Kingdom
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is September (9.7 days).
Average snowfall
Swanley, United Kingdom
The month with the highest snowfall is February (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Swanley, United Kingdom
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.3 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Swanley, United Kingdom
- Average daylight in January:
8h and 3min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 3min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 3min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
7h and 4min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
8h and 2min - Average sunshine in August:
8h and 2min - Average sunshine in September:
7h and 2min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 0min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Swanley, United Kingdom
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
15 days - Average sunshine days in November:
13.2 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (12.8 days).
Average UV index
Swanley, United Kingdom
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Swanley, United Kingdom
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility
Swanley, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Swanley, United Kingdom
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