August weather forecast
Hounslow, United Kingdom

August

Weather in August

The last month of the summer, August, is another pleasant month in Hounslow, United Kingdom, with an average temperature fluctuating between 13.7°C (56.7°F) and 21.6°C (70.9°F).

Temperature

August's beginning signals an average high-temperature of a still agreeable 21.6°C (70.9°F), barely different from July's 22°C (71.6°F). August witnesses an average nighttime temperature of 13.7°C (56.7°F) in Hounslow.

Humidity

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

Rainfall

In Hounslow, in August, it is raining for 10.9 days, with typically 18mm (0.71") of accumulated precipitation. In Hounslow, during the entire year, the rain falls for 109 days and collects up to 156mm (6.14") of precipitation.

Snowfall

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

Daylight

In Hounslow, the average length of the day in August is 14h and 33min.
On the first day of August, sunrise is at 5:26 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:49 pm BST.

Sunshine

In Hounslow, the average sunshine in August is 7.8h.

UV index

The average daily maximum UV index in August in Hounslow, United Kingdom, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the usual temperature for Hounslow in August?
The high-temperature, in August, in Hounslow, is 21.6°C (70.9°F), while the low-temperature averages to 13.7°C (56.7°F).
What is the least humid month in Hounslow?
July and August, with an average relative humidity of 74%, are the least humid months.
What is the average humidity in August in Hounslow?
The average relative humidity in August in Hounslow is 74%.
How much does it rain in Hounslow in August?
In Hounslow, United Kingdom, in August, it is raining for 10.9 days, with typically 18mm (0.71") of accumulated precipitation.
When it does not snow in Hounslow?
In Hounslow, United Kingdom, snow does not fall in April through November.
How many hours of daylight does Hounslow have in August?
The average day length in August in Hounslow, United Kingdom, is 14h and 33min.
When is the sunrise / sunset in August in Hounslow?
In August, on the first day of the month, sunrise is at 5:26 am and sunset at 8:49 pm. On the last day of the month, in Hounslow, sunrise is at 6:13 am and sunset at 7:49 pm BST.
How many hours of sunshine does Hounslow have in August?
In Hounslow, United Kingdom, the average sunshine duration in August is 7.8h.
How high is the UV index in August in Hounslow?
The average daily maximum UV index in August in Hounslow is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Hounslow, United Kingdom
  • Average high temperature in August: 21.6°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in August: 13.7°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).

Average pressure in August
Hounslow, United Kingdom
  • Average pressure in August: 1014.9mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

Average wind speed in August
Hounslow, United Kingdom
  • Average wind speed in August: 12.8km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July and September (12.7km/h).

Average humidity in August
Hounslow, United Kingdom
  • Average humidity in August: 74%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in August
Hounslow, United Kingdom
  • Average rainfall in August: 18mm

The wettest month (with the highest rainfall) is June (21mm).
The driest months (with the least rainfall) are January, March, April and May (9mm).

Average rainfall days in August
Hounslow, United Kingdom
  • Average rainfall days in August: 10.9 days

The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in August
Hounslow, United Kingdom
  • Average snowfall in August: 0mm

The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in August
Hounslow, United Kingdom
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Hounslow, United Kingdom
  • Average daylight in August: 14h and 3min

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 August: 7h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in August
Hounslow, United Kingdom
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is October (20.2 days).
The months with the least sunshine days are June and July (14.2 days).

Average UV index in August
Hounslow, United Kingdom
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Hounslow, United Kingdom
  • Average cloud cover in August: 51

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).

Average visibility in August
Hounslow, United Kingdom
  • Average visibility in August: 9km

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).

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