August weather forecast
Portmellon, United Kingdom

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Weather in August

August, the last month of the summer in Portmellon, is another comfortable month, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 14.9°C (58.8°F).

Temperature

In Portmellon, the month of August is known for its highest average temperatures, reaching a high of 17.8°C (64°F) and a low of 14.9°C (58.8°F).

Humidity

The average relative humidity in August is 83%.

Rainfall

In August, the rain falls for 17.8 days. Throughout August, 53mm (2.09") of precipitation is accumulated. Throughout the year, in Portmellon, United Kingdom, there are 204.6 rainfall days, and 648mm (25.51") of precipitation is accumulated.

Snowfall

In Portmellon, snow does not fall in March through December.

Daylight

In Portmellon, the average length of the day in August is 14h and 26min.
On the first day of the month, sunrise is at 5:48 am and sunset at 9:02 pm. On the last day of August, sunrise is at 6:33 am and sunset at 8:05 pm BST.

Sunshine

In August, the average sunshine is 7.9h.

UV index

With an average maximum UV index of 5, August is the month with the highest UV index in Portmellon, United Kingdom. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 5 in August transforms into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What is the warmest month in Portmellon?

The temperatures in Portmellon, United Kingdom, reach their highest averages in August, with highs of 17.8°C (64°F) and lows of 14.9°C (58.8°F).

What is the temperature in August in Portmellon?

The average high-temperature and low-temperature in Portmellon during August are 17.8°C (64°F) and 14.9°C (58.8°F) respectively.

What is the average humidity in August in Portmellon?

In Portmellon, the average relative humidity in August is 83%.

How many days does it rain in August in Portmellon?

In Portmellon, during August, the rain falls for 17.8 days and regularly aggregates up to 53mm (2.09") of precipitation.

When it does not snow in Portmellon?

March through December are months without snowfall in Portmellon, United Kingdom.

What is the average length of the day in August in Portmellon?

The average day length in August in Portmellon is 14h and 26min.

When is the sunrise / sunset in August in Portmellon?

On the first day of August in Portmellon, sunrise is at 5:48 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:05 pm BST.

How many hours of sunshine does Portmellon have in August?

In Portmellon, United Kingdom, the average sunshine duration in August is 7.9h.

When is the highest UV index in Portmellon?

August is the month with the highest UV index in Portmellon, United Kingdom, with an average maximum UV index of 5.

What is the UV index reading in August in Portmellon?

In Portmellon, United Kingdom, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Portmellon, United Kingdom

Average temperature in August - Portmellon, United Kingdom
  • Average high temperature in August: 17.8°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).

  • Average low temperature in August: 14.9°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).

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Average pressure in August
Portmellon, United Kingdom

Average pressure in August - Portmellon, United Kingdom
  • Average pressure in August: 1015.7mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

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Average wind speed in August
Portmellon, United Kingdom

Average wind speed in August - Portmellon, United Kingdom
  • Average wind speed in August: 20.7km/h

The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).

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Average humidity in August
Portmellon, United Kingdom

Average humidity in August - Portmellon, United Kingdom
  • Average humidity in August: 83%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, November and December (80%).

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Average rainfall in August
Portmellon, United Kingdom

Average rainfall in August - Portmellon, United Kingdom
  • Average rainfall in August: 53mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is May (30mm).

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Average rainfall days in August
Portmellon, United Kingdom

Average rainfall days in August - Portmellon, United Kingdom
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is November (21.2 days).
The month with the least rainy days is May (13.3 days).

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Average snowfall in August
Portmellon, United Kingdom

Average snowfall in August - Portmellon, United Kingdom
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in August
Portmellon, United Kingdom

Average snowfall days in August - Portmellon, United Kingdom
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in August / Average sunshine in August - Portmellon, United Kingdom
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in August: 7h and 5min

The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Portmellon, United Kingdom

Average sunshine days in August - Portmellon, United Kingdom
  • Average sunshine days in August: 9.7 days

The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is November (5.3 days).

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Average UV index in August
Portmellon, United Kingdom

Average UV index in August - Portmellon, United Kingdom
  • Average UV index in August: 5

The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in August
Portmellon, United Kingdom

Average cloud cover in August - Portmellon, United Kingdom
  • Average cloud cover in August: 51

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).

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Average visibility in August
Portmellon, United Kingdom

Average visibility in August - Portmellon, United Kingdom
  • Average visibility in August: 10km

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

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Portmellon, United Kingdom

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