August Weather in Charlton, United Kingdom

Last updated: August 27, 2025

In Charlton, United Kingdom, the average temperature in August hovers around 17°C (62°F), with a range that can dip to a chilly 7°C (45°F) and occasionally rise to a warm 33°C (91°F). Expect about 74 mm (2.9 in) of precipitation spread over 13 days, contributing to an average humidity level of 76%.

August Temperature in Charlton

In August in Charlton, the average temperature is 17°C (62°F). Maximums can reach 33°C (91°F), and minimums can be as low as 7°C (45°F). This climate offers a comfortable range for travelers, making it an ideal time to explore outdoor attractions and enjoy local activities.

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

The chart illustrates August temperature patterns in Charlton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlton, August typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Charlton

In Charlton in August, the precipitation amount is 74 mm (2.9 in) over the course of 13 days.

August Precipitation Trends in Charlton

The chart displays monthly precipitation patterns in Charlton, 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 Charlton, August typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 13 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 Charlton

In Charlton in August, humidity is 76%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping embrace, making travel feel slightly more challenging as it can lead to a sticky discomfort, especially during outdoor excursions.

August Average Humidity in Charlton

This chart illustrates the average monthly humidity levels in Charlton, 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 Charlton is approximately 76%, 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 Charlton

In Charlton 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 Charlton.

Maximum UV Index Levels in Charlton for August

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

Data source: Charlton 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 Charlton Compares to Other Months

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

This table compares monthly weather conditions in Charlton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	56 mm (2.2 inches)	91%	low
February Weather	6°C (43°F)	62 mm (2.4 inches)	89%	low
March Weather	7°C (45°F)	69 mm (2.7 inches)	86%	moderate
April Weather	9°C (49°F)	45 mm (1.8 inches)	85%	moderate
May Weather	12°C (54°F)	74 mm (2.9 inches)	79%	high
June Weather	16°C (61°F)	72 mm (2.8 inches)	80%	very high
July Weather	18°C (64°F)	63 mm (2.5 inches)	71%	very high
August Weather	17°C (62°F)	74 mm (2.9 inches)	76%	high
September Weather	14°C (58°F)	52 mm (2.1 inches)	82%	high
October Weather	11°C (53°F)	103 mm (4.0 inches)	90%	moderate
November Weather	8°C (46°F)	62 mm (2.4 inches)	92%	low
December Weather	6°C (44°F)	89 mm (3.5 inches)	92%	low