August weather forecast and climate
Douglas, Isle of Man

Green lawns overlooking a ferry terminal in the small town of Douglas, Isle of Man
Green lawns overlooking a ferry terminal in the small town of Douglas, Isle of Man

What are the warmest months in Douglas?

July and August, with an average high-temperature of 17°C (62.6°F), are warmest months in Douglas, Isle of Man.

What is the temperature in August in Douglas?

In Douglas, Isle of Man, in August, the average high-temperature is 17°C (62.6°F), and the average low-temperature is 11°C (51.8°F).

How much does it rain in Douglas in August?

In Douglas, during August, the rain falls for 15 days and regularly aggregates up to 123mm (4.8") of precipitation.

What is the month with the warmest sea water in Douglas?

With an average sea temperature of 15°C (59°F), August is the month with the warmest seawater in Douglas, Isle of Man. For most, swimming in 15°C (59°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the sea temperature in August in Douglas?

In Douglas, Isle of Man, in August, the average water temperature is 15°C (59°F). For most, swimming in 15°C (59°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average UV index in August in Douglas?

The average UV index in August is 5.
Average temperature in August - Douglas, Isle of Man
  • Average high temperature in August: 17°C

Warmest months (with the highest average high temperature) are July and August (17°C).
Months with the lowest average high temperature are January and February (6°C).

  • Average low temperature in August: 11°C

Months with the highest average low temperature are July and August (11°C).
Coldest months (with the lowest average low temperature) are January, February and March (2°C).

Average rainfall in August - Douglas, Isle of Man
  • Average rainfall in August: 123mm

The wettest month (with the highest rainfall) is October (171mm).
The driest month (with the lowest rainfall) is May (85mm).

Average rainfall days in August - Douglas, Isle of Man
  • Average rainfall days in August: 15 days

Months with the highest number of rainy days are January and November (20 days).
The month with the lowest number of rainy days is July (13 days).

Average sea temperature in August - Douglas, Isle of Man
  • Average sea temperature in August: 15°C

The best month for swimming (with the highest average sea temperature) is August (15°C).
Coldest months (with the lowest average sea temperature) are February and March (7°C).

Average daylight in August / Average sunshine in August - Douglas, Isle of Man
  • Average daylight in August: 14.8h

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.5h).

  • Average sunshine in August: 6h

Months with most sunshine are May and June (Average sunshine: 7h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in August - Douglas, Isle of Man
  • Average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).

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