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August Weather in Cynwyd, United Kingdom

Last updated: August 27, 2025

In August, the average temperature in Cynwyd, United Kingdom hovers around 15°C (59°F). Temperatures can range from a chilly 5°C (41°F) to a warm 27°C (81°F). Be prepared for some precipitation, with an average of 115 mm (4.5 in) spread over 18 days. With an average humidity level of 79%, it's always good to carry an umbrella and dress in layers!

August Temperature in Cynwyd

In August in Cynwyd, the average temperature is 15°C (59°F). Maximum temperatures can reach 27°C (81°F), while minimums can drop as low as 5°C (41°F). This climate makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates August temperature patterns in Cynwyd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cynwyd, August typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (81°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042465157595855504441
Data source: Temperature data for Cynwyd 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 Cynwyd

In Cynwyd in August, the precipitation amount is 115 mm (4.5 in) occurring over 18 days.

August Precipitation Trends in Cynwyd

The chart displays monthly precipitation patterns in Cynwyd, 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 Cynwyd, August typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec791111126377998911510011692126
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cynwyd

In Cynwyd in August humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

August Average Humidity in Cynwyd

This chart illustrates the average monthly humidity levels in Cynwyd, 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 Cynwyd is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cynwyd

In Cynwyd 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 Cynwyd.

Maximum UV Index Levels in Cynwyd for August

The chart shows the monthly maximum UV Index (UVI) for Cynwyd 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 Cynwyd typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Cynwyd 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 Cynwyd Compares to Other Months

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

This table compares monthly weather conditions in Cynwyd, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)79 mm (3.1 inches)89%low
February Weather5°C (41°F)111 mm (4.4 inches)88%low
March Weather6°C (42°F)112 mm (4.4 inches)86%moderate
April Weather8°C (46°F)63 mm (2.5 inches)84%moderate
May Weather10°C (51°F)77 mm (3.0 inches)79%high
June Weather14°C (57°F)99 mm (3.9 inches)81%very high
July Weather15°C (60°F)89 mm (3.5 inches)78%very high
August Weather15°C (59°F)115 mm (4.5 inches)79%high
September Weather13°C (55°F)100 mm (3.9 inches)85%moderate
October Weather10°C (50°F)116 mm (4.6 inches)90%moderate
November Weather7°C (44°F)92 mm (3.6 inches)91%low
December Weather5°C (41°F)126 mm (5.0 inches)89%low

Compare Cynwyd's Climate with Cities Worldwide