August Weather in Saint Andrew, Guernsey

Last updated: August 23, 2025

In August, the average temperature in Saint Andrew, Guernsey is a pleasant 17°C (63°F), with minimums dipping to 14°C (57°F) and maximums rising to 22°C (72°F). This month typically sees about 50 mm (2.0 in) of precipitation spread across 9 days, while the average humidity lingers around a comfortable 71%.

August Temperature in Saint Andrew

In August in Saint Andrew, the average temperature is 17°C (63°F). The maximum can reach 22°C (72°F), while the minimum can drop to as low as 14°C (57°F). This mild weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

August Weather in Saint Andrew: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Andrew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Andrew, August typically has an average temperature of 17°C (63°F), with highs reaching up to 22°C (72°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Saint Andrew generated using information from the Copernicus Climate Change Service.

August Precipitation in Saint Andrew

In Saint Andrew in August, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

August Precipitation Trends in Saint Andrew

The chart displays monthly precipitation patterns in Saint Andrew, 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 Saint Andrew, August typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Saint Andrew

In Saint Andrew in August, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

August Average Humidity in Saint Andrew

This chart illustrates the average monthly humidity levels in Saint Andrew, 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 Saint Andrew is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint Andrew

In Saint Andrew 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 Saint Andrew.

Maximum UV Index Levels in Saint Andrew for August

The chart shows the monthly maximum UV Index (UVI) for Saint Andrew 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 Saint Andrew typically reaches 7, which falls under the high exposure category.

Data source: Saint Andrew 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 Saint Andrew Compares to Other Months

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

This table compares monthly weather conditions in Saint Andrew, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	94 mm (3.7 inches)	89%	low
February Weather	9°C (48°F)	86 mm (3.4 inches)	88%	moderate
March Weather	9°C (49°F)	73 mm (2.9 inches)	85%	moderate
April Weather	10°C (50°F)	34 mm (1.3 inches)	84%	high
May Weather	12°C (54°F)	55 mm (2.2 inches)	81%	high
June Weather	14°C (58°F)	59 mm (2.3 inches)	77%	very high
July Weather	16°C (62°F)	37 mm (1.5 inches)	63%	very high
August Weather	17°C (63°F)	50 mm (2.0 inches)	71%	high
September Weather	17°C (62°F)	63 mm (2.5 inches)	76%	high
October Weather	15°C (59°F)	144 mm (5.7 inches)	89%	moderate
November Weather	12°C (54°F)	126 mm (5.0 inches)	90%	low
December Weather	11°C (51°F)	163 mm (6.4 inches)	90%	low