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April Weather in Portishead, United Kingdom

Last updated: August 27, 2025

In April, the average temperature in Portishead, United Kingdom hovers around 10°C (49°F), with temperatures ranging from a chilly -2°C (28°F) to a balmy 23°C (74°F). Expect some rain, as 53 mm (2.1 in) of precipitation typically falls over 9 days. Additionally, the average humidity is relatively high at 84%, making for a uniquely refreshing atmosphere.

April Temperature in Portishead

In April in Portishead, the average temperature is 10°C (49°F). Maximums can reach up to 23°C (74°F) and minimums can drop as low as -2°C (28°F). Be prepared for a range of temperatures during your travels, making it a perfect time for layering your clothing.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (49°F), with highs reaching up to 23°C (74°F) and lows dropping to around -2°C (28°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.

April Precipitation in Portishead

In Portishead in April, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

April Precipitation Trends in Portishead

The chart displays monthly precipitation patterns in Portishead, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Portishead, April typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5873785371756779561057097
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Portishead

In Portishead in April, humidity is 84%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

April Average Humidity in Portishead

This chart illustrates the average monthly humidity levels in Portishead, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Portishead is approximately 84%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Portishead

In Portishead in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Portishead.

Maximum UV Index Levels in Portishead for April

The chart shows the monthly maximum UV Index (UVI) for Portishead in April, 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 April, the maximum UV index in Portishead typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Portishead April 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 April 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 April’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 April’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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