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August Weather in Portesham, United Kingdom

Last updated: August 27, 2025

In August, the average temperature in Portesham, United Kingdom hovers around 17°C (63°F). Expect a minimum of 8°C (47°F) and a maximum of 30°C (86°F), providing a delightful range for outdoor activities. However, be prepared for some rain, as the area receives approximately 78 mm (3.1 in) of precipitation over 12 days. With an average humidity of 73%, the air can feel quite refreshing or slightly humid—perfect for enjoying the local scenery!

August Temperature in Portesham

In August in Portesham, the average temperature is 17°C (63°F). The maximum can reach 30°C (86°F) while the minimum can be as low as 8°C (47°F). Travelers should pack layers to stay comfortable during their visit.

August Weather in Portesham: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Portesham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portesham, August typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec424446495461646359544845
Data source: Temperature data for Portesham generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Portesham

In Portesham in August, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

August Precipitation Trends in Portesham

The chart displays monthly precipitation patterns in Portesham, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Portesham, August typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5164734873765378481066698
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Portesham

In Portesham in August humidity is 73%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making it ideal for leisurely strolling through vibrant markets or exploring outdoor attractions, though travelers may want to stay hydrated and take breaks in shaded areas to fully enjoy the atmosphere.

August Average Humidity in Portesham

This chart illustrates the average monthly humidity levels in Portesham, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Portesham is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Portesham

In Portesham in August, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Portesham.

Maximum UV Index Levels in Portesham for August

The chart shows the monthly maximum UV Index (UVI) for Portesham in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Portesham typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Portesham August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Portesham Compares to Other Months

Weather in Portesham varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Portesham, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Portesham, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)51 mm (2.0 inches)88%low
February Weather7°C (44°F)64 mm (2.5 inches)88%low
March Weather8°C (46°F)73 mm (2.9 inches)86%moderate
April Weather10°C (49°F)48 mm (1.9 inches)84%high
May Weather12°C (55°F)73 mm (2.9 inches)80%high
June Weather16°C (61°F)76 mm (3.0 inches)80%very high
July Weather18°C (64°F)53 mm (2.1 inches)70%very high
August Weather17°C (63°F)78 mm (3.1 inches)73%high
September Weather15°C (59°F)48 mm (1.9 inches)79%high
October Weather12°C (54°F)106 mm (4.2 inches)89%moderate
November Weather9°C (48°F)66 mm (2.6 inches)90%low
December Weather7°C (46°F)98 mm (3.9 inches)89%low

Compare Portesham's Climate with Cities Worldwide