August weather forecastKillay, United Kingdom

August

Weather in August

August, the last month of the summer in Killay, is another refreshing month, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 17.6°C (63.7°F).

Temperature

The transition from July to August sees average high-temperatures adjusting to a still enjoyable 17.6°C (63.7°F), from a not significantly different 17.8°C (64°F). Killay registers a subtle dip to an average of 14.1°C (57.4°F) during the nights of August.

Humidity

The months with the highest humidity in Killay are January, August and December, with an average relative humidity of 84%.

Rainfall

In Killay, United Kingdom, in August, during 20.1 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Killay, during the entire year, the rain falls for 210.8 days and collects up to 785mm (30.91") of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Killay, United Kingdom, the average length of the day in August is 14h and 34min.
On the first day of August in Killay, sunrise is at 5:40 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:04 pm BST.

Sunshine

In August, the average sunshine is 7.5h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

During August, Killay experiences an average high-temperature of 17.6°C (63.7°F) and a low-temperature of 14.1°C (57.4°F).

January, August and December, with an average relative humidity of 84%, are most humid months.

The average relative humidity in August is 84%.

In Killay, during August, the rain falls for 20.1 days and regularly aggregates up to 72mm (2.83") of precipitation.

In Killay, snow does not fall in April through November.

The average day length in August in Killay, United Kingdom, is 14h and 34min.

On the first day of August, sunrise is at 5:40 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:04 pm BST.

In Killay, United Kingdom, the average sunshine duration in August is 7.5h.

May through September, with an average maximum UV index of 4, are months with the highest UV index.

In August, the average daily maximum UV index in Killay is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Killay, United Kingdom

  • Average high temperature in August: 17.6°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.8°C).

  • Average low temperature in August: 14.1°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in August
Killay, United Kingdom

  • Average pressure in August: 1014.5mbar

The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in August
Killay, United Kingdom

  • Average wind speed in August: 18.3km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is June (16.4km/h).

Average humidity in August
Killay, United Kingdom

  • Average humidity in August: 84%

The months with the highest relative humidity are January, August and December (84%).
The month with the lowest relative humidity is April (80%).

Average rainfall in August
Killay, United Kingdom

  • Average rainfall in August: 72mm

The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is May (37mm).

Average rainfall days in August
Killay, United Kingdom

  • Average rainfall days in August: 20.1 days

The month with the highest number of rainy days is December (21.4 days).
The month with the least rainy days is April (14.4 days).

Average snowfall in August
Killay, United Kingdom

  • Average snowfall in August: 0mm

The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in August
Killay, United Kingdom

  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Killay, United Kingdom

  • Average daylight in August: 14h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in August: 7h and 30min

The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Killay, United Kingdom

  • Average sunshine days in August: 7.6 days

The month with the most sunshine days is May (13 days).
The month with the least sunshine days is December (6.6 days).

Average UV index in August
Killay, United Kingdom

  • Average UV index in August: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in August
Killay, United Kingdom

  • Average cloud cover in August: 53

The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 45).

Average visibility in August
Killay, United Kingdom

  • Average visibility in August: 9km

The months with the highest visibility are March, April, June, July and October (10km).
The months with the lowest visibility are January, February, May, August, September, November and December (9km).