August weather forecast
Plymouth, United Kingdom

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Weather in August

August weather in Plymouth holds steady, continuing the summer trend with temperatures soaring up to 20°C (68°F). Despite being the peak tourist season, it showcases resilience and calm. Days are lengthy and filled with sunlight, maintaining the summer vibe. Whether it is sunbathing or watersports, it is the time to relish the idyllic surroundings. Clearly, August stands out for its welcoming warmth and friendliness.

Temperature

August is the month when Plymouth experiences its warmest temperatures, averaging a high of 20°C (68°F) and a low of 13.4°C (56.1°F).

Rainfall

In August, the rain falls for 10.1 days. Throughout August, 67mm (2.64") of precipitation is accumulated. Throughout the year, in Plymouth, there are 142.2 rainfall days, and 1007mm (39.65") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 16.9°C (62.4°F), August is the month with the warmest seawater.
Note: Most people do not find pleasure in swimming when the water temperature is 16.9°C (62.4°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

In August, the average length of the day is 14h and 27min.
On the first day of the month, sunrise is at 5:45 am and sunset at 9:00 pm. On the last day of August, sunrise is at 6:30 am and sunset at 8:03 pm BST.

Sunshine

In Plymouth, the average sunshine in August is 6.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Plymouth. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What month is the hottest in Plymouth?

During the warmest month in Plymouth, August, temperatures average a high of 20°C (68°F) and a low of 13.4°C (56.1°F).

What is the usual temperature for Plymouth in August?

In Plymouth, 20°C (68°F) is the average high-temperature and 13.4°C (56.1°F) is the average low-temperature during August.

How many days does it rain in August in Plymouth?

In Plymouth, in August, it is raining for 10.1 days, with typically 67mm (2.64") of accumulated precipitation.

What month is the sea warmest in Plymouth?

The month with the warmest seawater in Plymouth is August, with an average sea temperature of 16.9°C (62.4°F).

What is the sea water temperature in August in Plymouth?

In Plymouth, in August, the average water temperature is 16.9°C (62.4°F). For swimming, a surface water temperature of 16.9°C (62.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

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

The average day length in August in Plymouth, United Kingdom, is 14h and 27min.

What time are sunrise and sunset in August in Plymouth?

On the first day of August in Plymouth, sunrise is at 5:45 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:03 pm BST.

How many hours of sunshine does Plymouth have in August?

In Plymouth, United Kingdom, the average sunshine duration in August is 6.6h.

When is the highest UV index in Plymouth?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Plymouth.

How high is the UV index in August in Plymouth?

In August, the average daily maximum UV index in Plymouth, United Kingdom, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Plymouth, United Kingdom

Average temperature in August - Plymouth, United Kingdom
  • Average high temperature in August: 20°C

The warmest month (with the highest average high temperature) is August (20°C).
The months with the lowest average high temperature are January and February (8.8°C).

  • Average low temperature in August: 13.4°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).

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Average rainfall in August
Plymouth, United Kingdom

Average rainfall in August - Plymouth, United Kingdom
  • Average rainfall in August: 67.4mm

The wettest month (with the highest rainfall) is December (118.8mm).
The driest month (with the least rainfall) is June (57.2mm).

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Average rainfall days in August
Plymouth, United Kingdom

Average rainfall days in August - Plymouth, United Kingdom
  • Average rainfall days in August: 10.1 days

The month with the highest number of rainy days is January (15.1 days).
The month with the least rainy days is June (8.5 days).

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Average sea temperature in August
Plymouth, United Kingdom

Average sea temperature in August - Plymouth, United Kingdom
  • Average sea temperature in August: 16.9°C

The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.5°C).

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

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

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in August: 6h and 4min

The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average UV index in August
Plymouth, United Kingdom

Average UV index in August - Plymouth, United Kingdom
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Plymouth, United Kingdom

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