August weather forecast
Weymouth, United Kingdom

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Weather in August

The last month of the summer, August, is another comfortable month in Weymouth, United Kingdom, with an average temperature varying between 18.2°C (64.8°F) and 15.3°C (59.5°F).

Temperature

The warmest time of the year is August, with temperatures averaging a high of 18.2°C (64.8°F) and a low of 15.3°C (59.5°F).

Humidity

The average relative humidity in August in Weymouth is 82%.

Rainfall

In Weymouth, in August, it is raining for 13.9 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Weymouth, there are 167.3 rainfall days, and 471mm (18.54") of precipitation is accumulated.

Snowfall

In Weymouth, snow does not fall in March through October and December.

Sea temperature

In Weymouth, in August, the average water temperature is 16.6°C (61.9°F).
Note: Swimming in 16.6°C (61.9°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).

Daylight

In Weymouth, the average length of the day in August is 14h and 28min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:56 pm BST.

Sunshine

The average sunshine in August is 8.8h.

UV index

July and August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the hottest time of year in Weymouth?

In Weymouth, August is the warmest month, with temperatures averaging a high of 18.2°C (64.8°F) and a low of 15.3°C (59.5°F).

What is the average August temperature in Weymouth?

An average high-temperature, in August, in Weymouth, is 18.2°C (64.8°F) and the average low-temperature is 15.3°C (59.5°F).

What is the average humidity in August in Weymouth?

The average relative humidity in August is 82%.

How many days does it rain in August in Weymouth?

In Weymouth, United Kingdom, in August, during 13.9 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

When it does not snow in Weymouth?

In Weymouth, snow does not fall in March through October and December.

What is the sea temperature in August in Weymouth?

In Weymouth, United Kingdom, in August, the average water temperature is 16.6°C (61.9°F). For swimming, a surface water temperature of 16.6°C (61.9°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 Weymouth?

In August, the average day length in Weymouth is 14h and 28min.

What time are sunrise and sunset in August in Weymouth?

In August, on the first day of the month, sunrise is at 5:37 am and sunset at 8:54 pm. On the last day of the month, in Weymouth, United Kingdom, sunrise is at 6:23 am and sunset at 7:56 pm BST.

How many hours of sunshine does Weymouth have in August?

In August, the average sunshine duration in Weymouth, United Kingdom, is 8.8h.

When is the highest UV index in Weymouth?

July and August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in August in Weymouth?

In Weymouth, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Weymouth, United Kingdom

Average temperature in August - Weymouth, United Kingdom
  • Average high temperature in August: 18.2°C

The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is February (8.3°C).

  • Average low temperature in August: 15.3°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

Average pressure in August
Weymouth, United Kingdom

Average pressure in August - Weymouth, United Kingdom
  • Average pressure in August: 1015.5mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

Average wind speed in August
Weymouth, United Kingdom

Average wind speed in August - Weymouth, United Kingdom
  • Average wind speed in August: 21.1km/h

The windiest month (with the highest average wind speed) is December (30.1km/h).
The calmest month (with the lowest average wind speed) is July (19.5km/h).

Average humidity in August
Weymouth, United Kingdom

Average humidity in August - Weymouth, United Kingdom
  • Average humidity in August: 82%

The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are February, March, April, September, October, November and December (81%).

Average rainfall in August
Weymouth, United Kingdom

Average rainfall in August - Weymouth, United Kingdom
  • Average rainfall in August: 41mm

The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is May (27mm).

Average rainfall days in August
Weymouth, United Kingdom

Average rainfall days in August - Weymouth, United Kingdom
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in August
Weymouth, United Kingdom

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

The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).

Average snowfall days in August
Weymouth, United Kingdom

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

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in August
Weymouth, United Kingdom

Average sea temperature in August - Weymouth, United Kingdom
  • Average sea temperature in August: 16.6°C

The best month for swimming (with the highest average sea temperature) is September (17.1°C).
The coldest month (with the lowest average sea temperature) is March (8.8°C).

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

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

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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).

Average sunshine days in August
Weymouth, United Kingdom

Average sunshine days in August - Weymouth, United Kingdom
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is November (10.1 days).

Average UV index in August
Weymouth, United Kingdom

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

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in August
Weymouth, United Kingdom

Average cloud cover in August - Weymouth, United Kingdom
  • Average cloud cover in August: 42

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in August
Weymouth, United Kingdom

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

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

Weymouth, United Kingdom

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