August Weather in Manchester, United States

Last updated: June 24, 2025

In Manchester, United States, the average temperature in August hovers around 26°C (80°F). You can expect a minimum of 19°C (66°F) and a peak that can reach up to 37°C (99°F). The region experiences significant precipitation, with 140 mm (5.5 in) spread over 17 days, leading to an average humidity of a steamy 81%.

August Temperature in Manchester

In August in Manchester, the average temperature is 26°C (80°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 19°C (66°F). It's a great time to visit for warm weather and outdoor activities!

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

The chart illustrates August temperature patterns in Manchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manchester, August typically has an average temperature of 26°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (66°F).

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

August Precipitation in Manchester

In Manchester in August, the precipitation amount is 140 mm (5.5 in) spread over 17 days.

August Precipitation Trends in Manchester

The chart displays monthly precipitation patterns in Manchester, 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 Manchester, August typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 17 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 Manchester

In Manchester in August, humidity is 81%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and requiring frequent breaks to stay refreshed and hydrated.

August Average Humidity in Manchester

This chart illustrates the average monthly humidity levels in Manchester, 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 Manchester is approximately 81%, 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 Manchester

In Manchester in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Manchester.

Maximum UV Index Levels in Manchester for August

The chart shows the monthly maximum UV Index (UVI) for Manchester 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 Manchester typically reaches 11, which falls under the extreme exposure category.

Data source: Manchester 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 Manchester Compares to Other Months

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

This table compares monthly weather conditions in Manchester, 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)	111 mm (4.4 inches)	86%	moderate
February Weather	12°C (55°F)	116 mm (4.5 inches)	84%	high
March Weather	15°C (59°F)	87 mm (3.4 inches)	83%	very high
April Weather	18°C (65°F)	106 mm (4.2 inches)	81%	very high
May Weather	23°C (73°F)	95 mm (3.7 inches)	81%	extreme
June Weather	25°C (78°F)	118 mm (4.7 inches)	81%	extreme
July Weather	27°C (81°F)	110 mm (4.3 inches)	83%	extreme
August Weather	26°C (80°F)	140 mm (5.5 inches)	81%	extreme
September Weather	25°C (77°F)	103 mm (4.0 inches)	82%	very high
October Weather	20°C (69°F)	116 mm (4.5 inches)	78%	very high
November Weather	13°C (55°F)	75 mm (3.0 inches)	86%	high
December Weather	10°C (51°F)	127 mm (5.0 inches)	89%	moderate