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July Weather in Portishead, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Portishead, United Kingdom hovers around 18°C (64°F), with pleasant highs reaching up to 30°C (87°F) and cooler lows dropping to 8°C (46°F). Expect a total precipitation of about 67 mm (2.7 in) spread across 11 days, complemented by an average humidity of 70%. Prepare for a mix of sunny and rainy days as you enjoy this vibrant destination!

July Temperature in Portishead

In July in Portishead, the average temperature is 18°C (64°F). The maximum can reach 30°C (87°F), while the minimum can dip to as low as 8°C (46°F). This makes Portishead an ideal destination for travelers seeking mild weather and comfortable conditions for outdoor activities.

July Weather in Portishead: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Portishead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portishead, July typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (87°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561646258534744
Data source: Temperature data for Portishead 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.

July Precipitation in Portishead

In Portishead in July, the total precipitation amount is 67 mm (2.7 in) spread over a duration of 11 days.

July Precipitation Trends in Portishead

The chart displays monthly precipitation patterns in Portishead, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Portishead, July typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5873785371756779561057097
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Portishead

In Portishead in July humidity is 70%. With an average temperature of 18°C (64°F), this humidity feels like a sticky embrace, making outdoor excursions a bit more cumbersome and requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Portishead

This chart illustrates the average monthly humidity levels in Portishead, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Portishead is approximately 70%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Portishead

In Portishead in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Portishead.

Maximum UV Index Levels in Portishead for July

The chart shows the monthly maximum UV Index (UVI) for Portishead in July, 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 July, the maximum UV index in Portishead typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Portishead July 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 July Weather in Portishead Compares to Other Months

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

This table compares monthly weather conditions in Portishead, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)58 mm (2.3 inches)88%low
February Weather6°C (44°F)73 mm (2.9 inches)88%low
March Weather7°C (46°F)77 mm (3.0 inches)86%moderate
April Weather10°C (49°F)53 mm (2.1 inches)84%moderate
May Weather13°C (55°F)71 mm (2.8 inches)80%high
June Weather16°C (61°F)75 mm (3.0 inches)80%very high
July Weather18°C (64°F)67 mm (2.7 inches)70%very high
August Weather17°C (62°F)79 mm (3.1 inches)73%high
September Weather15°C (59°F)56 mm (2.2 inches)79%high
October Weather12°C (53°F)105 mm (4.1 inches)89%moderate
November Weather8°C (47°F)70 mm (2.8 inches)90%low
December Weather7°C (44°F)97 mm (3.8 inches)89%low

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