August Weather in Lowell, United States

Last updated: June 24, 2025

In August, the average temperature in Lowell, United States hovers around 20°C (69°F). This delightful climate can swing from a cool minimum of 6°C (43°F) to a warm maximum of 40°C (105°F). You can expect 8 mm (0.3 in) of precipitation spread over just 2 days, while the average humidity sits at a comfortable 67%. Enjoy the diverse weather that this month brings!

August Temperature in Lowell

In August in Lowell, the average temperature is 20°C (69°F), with maximums reaching up to 40°C (105°F) and minimums dropping as low as 6°C (43°F). This wide temperature range makes it essential to pack accordingly for your travels to Lowell.

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

The chart illustrates August temperature patterns in Lowell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lowell, August typically has an average temperature of 20°C (69°F), with highs reaching up to 40°C (105°F) and lows dropping to around 6°C (43°F).

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

August Precipitation in Lowell

In Lowell in August, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

August Precipitation Trends in Lowell

The chart displays monthly precipitation patterns in Lowell, 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 Lowell, August typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Lowell

In Lowell in August, humidity is 67%. With an average temperature of 20°C (69°F), this humidity feels like a warm, gentle embrace that clings to your skin, creating a comfortable yet slightly sticky atmosphere that can be refreshing while exploring the sights, provided you stay hydrated and take breaks in the shade.

August Average Humidity in Lowell

This chart illustrates the average monthly humidity levels in Lowell, 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 Lowell is approximately 67%, 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 Lowell

In Lowell in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lowell.

Maximum UV Index Levels in Lowell for August

The chart shows the monthly maximum UV Index (UVI) for Lowell 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 Lowell typically reaches 9, which falls under the very high exposure category.

Data source: Lowell 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 Lowell Compares to Other Months

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

This table compares monthly weather conditions in Lowell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	189 mm (7.4 inches)	84%	low
February Weather	4°C (39°F)	241 mm (9.5 inches)	85%	moderate
March Weather	6°C (43°F)	169 mm (6.6 inches)	86%	high
April Weather	9°C (49°F)	175 mm (6.9 inches)	83%	high
May Weather	13°C (55°F)	85 mm (3.3 inches)	83%	very high
June Weather	16°C (62°F)	57 mm (2.2 inches)	83%	very high
July Weather	20°C (68°F)	3 mm (0.1 inches)	78%	very high
August Weather	20°C (69°F)	8 mm (0.3 inches)	67%	very high
September Weather	17°C (62°F)	101 mm (4.0 inches)	66%	very high
October Weather	11°C (51°F)	133 mm (5.2 inches)	77%	moderate
November Weather	7°C (45°F)	179 mm (7.1 inches)	87%	moderate
December Weather	4°C (40°F)	216 mm (8.5 inches)	87%	low