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August Weather in St Anne, Guernsey

Last updated: August 23, 2025

In August, the average temperature in St Anne, Guernsey hovers around 17°C (63°F), with a comfortable minimum of 14°C (57°F) and a pleasant maximum of 22°C (71°F). Expect about 54 mm (2.1 in) of precipitation spread over 9 days, contributing to an average humidity of 73%.

August Temperature in St Anne

In August in St Anne, the average temperature is 17°C (63°F). Maximums can reach 22°C (71°F), and minimums can drop to as low as 14°C (57°F). It's a great time for travelers to enjoy mild weather while exploring the sights.

August Weather in St Anne: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in St Anne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Anne, August typically has an average temperature of 17°C (63°F), with highs reaching up to 22°C (71°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848505357616262595451
Data source: Temperature data for St Anne 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 St Anne

In St Anne in August, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

August Precipitation Trends in St Anne

The chart displays monthly precipitation patterns in St Anne, 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 St Anne, August typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec998678335458385459144131170
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in St Anne

In St Anne 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 St Anne

This chart illustrates the average monthly humidity levels in St Anne, 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 St Anne is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in St Anne

In St Anne 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 St Anne.

Maximum UV Index Levels in St Anne for August

The chart shows the monthly maximum UV Index (UVI) for St Anne 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 St Anne typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: St Anne 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 St Anne Compares to Other Months

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

This table compares monthly weather conditions in St Anne, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)99 mm (3.9 inches)90%low
February Weather9°C (48°F)86 mm (3.4 inches)89%moderate
March Weather9°C (49°F)78 mm (3.1 inches)86%moderate
April Weather10°C (50°F)33 mm (1.3 inches)84%high
May Weather12°C (53°F)54 mm (2.1 inches)80%high
June Weather14°C (58°F)58 mm (2.3 inches)80%very high
July Weather16°C (61°F)38 mm (1.5 inches)69%very high
August Weather17°C (63°F)54 mm (2.1 inches)73%high
September Weather16°C (62°F)59 mm (2.3 inches)79%high
October Weather15°C (59°F)144 mm (5.7 inches)89%moderate
November Weather12°C (54°F)131 mm (5.2 inches)92%low
December Weather10°C (51°F)170 mm (6.7 inches)92%low

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