Climate and monthly weather forecastKeston, United Kingdom

Climate and monthly weather forecast

Weather in January

January, the same as December, in Keston, United Kingdom, is another chilly winter month, with an average temperature fluctuating between 2.4°C (36.3°F) and 6.7°C (44.1°F). January, with average temperatures reaching a high of 6.7°C (44.1°F) and a low of 2.4°C (36.3°F), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Keston, is also a frosty month, with an average temperature ranging between max 7.5°C (45.5°F) and min 2.6°C (36.7°F). February's advent denotes a minor fluctuation in the average high-temperature to a still chilly 7.5°C (45.5°F) from January's 6.7°C (44.1°F). Weather in February »

Weather in March

March, the first month of the spring in Keston, is a fresh month, with an average temperature ranging between max 10.4°C (50.7°F) and min 3.7°C (38.7°F). During March, Keston observes a subtle ascent to a fresh 10.4°C (50.7°F) from February's 7.5°C (45.5°F) in the average high-temperature. Weather in March »

Weather in April

April in Keston, United Kingdom, is a refreshing spring month, with an average temperature varying between 13.9°C (57°F) and 5.5°C (41.9°F). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a cool 10.4°C (50.7°F) to a refreshing 13.9°C (57°F). Weather in April »

Weather in May

May, the last month of the spring in Keston, is a comfortable month, with an average temperature varying between 16.5°C (61.7°F) and 8°C (46.4°F). The average high-temperature in May, at a comfortable 16.5°C (61.7°F), reveals a modest deviation from April's 13.9°C (57°F). Weather in May »

Weather in June

June, the first month of the summer in Keston, is still a comfortable month, with an average temperature fluctuating between 10.8°C (51.4°F) and 19.4°C (66.9°F). The average high-temperature during June registers at a still comfortable 19.4°C (66.9°F), closely corresponding to the preceding month. Weather in June »

Weather in July

July is a pleasant summer month in Keston, United Kingdom, with an average temperature varying between 21.9°C (71.4°F) and 13.5°C (56.3°F). July brings the highest temperatures, with an average high of 21.9°C (71.4°F) and an average low of 13.5°C (56.3°F). Weather in July »

Weather in August

August, the last month of the summer in Keston, is another pleasant month, with temperature in the range of an average low of 13.8°C (56.8°F) and an average high of 21.7°C (71.1°F). Keston signifies an average high-temperature of a still pleasant 21.7°C (71.1°F) in August, closely mirroring the 21.9°C (71.4°F) of July. Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Keston, United Kingdom, with an average temperature fluctuating between 18.7°C (65.7°F) and 11.5°C (52.7°F). Keston, United Kingdom, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a pleasant 21.7°C (71.1°F) in August to an enjoyable 18.7°C (65.7°F). Weather in September »

Weather in October

October, the same as September, in Keston, United Kingdom, is another refreshing autumn month, with an average temperature ranging between min 9.2°C (48.6°F) and max 15.1°C (59.2°F). The start of October involves a subtle temperature drop, shifting from a comfortable 18.7°C (65.7°F) in September to a still refreshing 15.1°C (59.2°F). Weather in October »

Weather in November

November, the last month of the autumn in Keston, is also a fresh month, with an average temperature fluctuating between 10.2°C (50.4°F) and 5.6°C (42.1°F). With the arrival of November, Keston experiences a modest decline in average high-temperatures, transitioning from a moderate 15.1°C (59.2°F) in October to a fresh 10.2°C (50.4°F). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Keston, United Kingdom, with an average temperature fluctuating between 7.9°C (46.2°F) and 3.6°C (38.5°F). The advent of December brings an average high-temperature of a frosty 7.9°C (46.2°F), exhibiting minor difference from the previous month. Weather in December »

Frequently asked questions

In Keston, January records the average lowest temperatures, peaking at 6.7°C (44.1°F) and reaching a low of 2.4°C (36.3°F).

In Keston, United Kingdom, during the entire year, the rain falls for 151.6 days and collects up to 342mm (13.46") of precipitation.

January through April, November and December are months with snowfall in Keston.

Throughout the year, in Keston, there are 11.9 snowfall days, and 69mm (2.72") of snow is accumulated.

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

February is the month with the most snowfall. Snow falls for 4.2 days and accumulates 23mm (0.91") of snow.

February has the least sunshine of the year, with an average of 3.6h of sunshine.

The month with the least rainfall in Keston, United Kingdom, is April, when the rain falls for 12.4 days and typically collects 18mm (0.71") of precipitation.

May through October are months without snowfall.

The month with the longest days in Keston is June, with an average of 16h and 30min of daylight.

June and July, with an average maximum UV index of 5, are months with the highest UV index in Keston, United Kingdom.

The warmest temperatures occur during July, when averages reach a peak of 21.9°C (71.4°F) and a low of 13.5°C (56.3°F).

The months with the lowest humidity are July and August, with an average relative humidity of 74%.

The months with the most sunshine in Keston, United Kingdom, are July and August, with an average of 8.3h of sunshine.

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Keston, 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.

With an average relative humidity of 89%, December is the most humid month.

December is the month with the most rainfall in Keston, United Kingdom. Rain falls for 12.5 days and accumulates 38mm (1.5") of precipitation.

With an average of 8h and 0min of daylight, December has the shortest days of the year in Keston, United Kingdom.

Average temperature
Keston, 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
Keston, United Kingdom

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed
Keston, United Kingdom

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
Keston, 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
Keston, 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
Keston, United Kingdom

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
Keston, 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
Keston, United Kingdom

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
Keston, United Kingdom

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

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
Keston, United Kingdom

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
Keston, 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
Keston, 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
Keston, 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).