July Weather in DeCordova, United States

Last updated: June 24, 2025

In DeCordova, United States, the average temperature in July reaches a warm 30°C (86°F), with a minimum of 18°C (65°F) and a sizzling maximum of 43°C (109°F). Visitors can expect 38 mm (1.5 in) of precipitation over 7 days, coupled with an average humidity of 75%. Enjoy the warmth, but don't forget your umbrella!

July Temperature in DeCordova

In July in DeCordova, the average temperature is 30°C (86°F). Maximums can reach 43°C (109°F) and minimums can be as low as 18°C (65°F). It's an ideal time for travelers who enjoy warm weather, but be prepared for heat and plan outdoor activities for the cooler parts of the day.

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

The chart illustrates July temperature patterns in DeCordova, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeCordova, July typically has an average temperature of 30°C (86°F), with highs reaching up to 43°C (109°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in DeCordova

In DeCordova in July, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

July Precipitation Trends in DeCordova

The chart displays monthly precipitation patterns in DeCordova, 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 DeCordova, July typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 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 DeCordova

In DeCordova in July humidity is 75%. With an average temperature of 30°C (86°F), this humidity feels like walking through a warm, damp blanket, making traveling feel sticky and exhausting.

July Average Humidity in DeCordova

This chart illustrates the average monthly humidity levels in DeCordova, 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 DeCordova is approximately 75%, 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 DeCordova

In DeCordova 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 DeCordova.

Maximum UV Index Levels in DeCordova for July

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

Data source: DeCordova 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 DeCordova Compares to Other Months

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

This table compares monthly weather conditions in DeCordova, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	44 mm (1.7 inches)	77%	moderate
February Weather	10°C (49°F)	79 mm (3.1 inches)	76%	high
March Weather	16°C (61°F)	84 mm (3.3 inches)	74%	very high
April Weather	19°C (66°F)	90 mm (3.5 inches)	75%	very high
May Weather	24°C (75°F)	127 mm (5.0 inches)	80%	extreme
June Weather	28°C (82°F)	82 mm (3.2 inches)	80%	extreme
July Weather	30°C (86°F)	38 mm (1.5 inches)	75%	extreme
August Weather	29°C (85°F)	84 mm (3.3 inches)	67%	extreme
September Weather	26°C (79°F)	76 mm (3.0 inches)	64%	very high
October Weather	20°C (68°F)	121 mm (4.8 inches)	70%	very high
November Weather	14°C (57°F)	44 mm (1.7 inches)	82%	high
December Weather	11°C (52°F)	46 mm (1.8 inches)	85%	moderate