July Weather in Lowell, United States

Last updated: June 24, 2025

In July, the average temperature in Lowell, United States hovers around 27°C (82°F). While you might enjoy warm days, be prepared for a minimum of 18°C (64°F) and occasional highs reaching 38°C (101°F). Expect about 88 mm (3.5 in) of precipitation spread over 13 days, contributing to an average humidity of 80%. Stay cool and hydrate!

July Temperature in Lowell

In July in Lowell, the average temperature is 27°C (82°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 18°C (64°F). This climate makes it an ideal time for travelers seeking warm, enjoyable weather.

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

The chart illustrates July 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, July typically has an average temperature of 27°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 18°C (64°F).

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

July Precipitation in Lowell

In Lowell in July, the precipitation amount is 88 mm (3.5 in) spread over 13 days.

July Precipitation Trends in Lowell

The chart displays monthly precipitation patterns in Lowell, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Lowell, July typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Lowell

In Lowell in July, humidity is 80%. With an average temperature of 27°C (82°F), this humidity feels like stepping into a thick blanket of warmth that hugs you relentlessly, making outdoor activities feel sluggish and exhausting.

July Average Humidity in Lowell

This chart illustrates the average monthly humidity levels in Lowell, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Lowell is approximately 80%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Lowell

In Lowell in July, 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 Lowell.

Maximum UV Index Levels in Lowell for July

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

Data source: Lowell July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	88 mm (3.5 inches)	86%	moderate
February Weather	10°C (49°F)	112 mm (4.4 inches)	85%	high
March Weather	12°C (54°F)	81 mm (3.2 inches)	84%	very high
April Weather	17°C (63°F)	101 mm (4.0 inches)	82%	very high
May Weather	22°C (72°F)	103 mm (4.1 inches)	83%	very high
June Weather	25°C (78°F)	67 mm (2.6 inches)	82%	extreme
July Weather	27°C (82°F)	88 mm (3.5 inches)	80%	extreme
August Weather	26°C (79°F)	85 mm (3.3 inches)	74%	very high
September Weather	24°C (75°F)	115 mm (4.5 inches)	75%	very high
October Weather	18°C (65°F)	91 mm (3.6 inches)	79%	very high
November Weather	11°C (51°F)	88 mm (3.5 inches)	87%	moderate
December Weather	8°C (47°F)	118 mm (4.7 inches)	87%	moderate