July Weather in Sylvan, United States

Last updated: June 24, 2025

In July, the average temperature in Sylvan, United States is a pleasant 23°C (74°F). Visitors can expect a range from a cool 12°C (55°F) to a warm 34°C (94°F). During this month, the area experiences approximately 103 mm (4.1 in) of precipitation over about 10 days, with an average humidity of 75%.

July Temperature in Sylvan

In July in Sylvan, the average temperature is 23°C (74°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 12°C (55°F). This pleasant temperature range makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in Sylvan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sylvan, July typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (55°F).

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

July Precipitation in Sylvan

In Sylvan in July, the precipitation amount is 103 mm (4.1 in) over a span of 10 days.

July Precipitation Trends in Sylvan

The chart displays monthly precipitation patterns in Sylvan, 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 Sylvan, July typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 10 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 Sylvan

In Sylvan in July, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

July Average Humidity in Sylvan

This chart illustrates the average monthly humidity levels in Sylvan, 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 Sylvan 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 Sylvan

In Sylvan in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sylvan.

Maximum UV Index Levels in Sylvan for July

The chart shows the monthly maximum UV Index (UVI) for Sylvan 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 Sylvan typically reaches 10, which falls under the very high exposure category.

Data source: Sylvan 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 Sylvan Compares to Other Months

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

This table compares monthly weather conditions in Sylvan, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	39 mm (1.5 inches)	84%	low
February Weather	-6°C (22°F)	54 mm (2.1 inches)	85%	moderate
March Weather	2°C (36°F)	59 mm (2.3 inches)	84%	moderate
April Weather	7°C (46°F)	87 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	135 mm (5.3 inches)	75%	very high
June Weather	21°C (70°F)	125 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	103 mm (4.1 inches)	75%	very high
August Weather	21°C (71°F)	101 mm (4.0 inches)	69%	very high
September Weather	18°C (65°F)	120 mm (4.7 inches)	74%	very high
October Weather	10°C (50°F)	120 mm (4.7 inches)	79%	moderate
November Weather	2°C (35°F)	52 mm (2.1 inches)	88%	moderate
December Weather	-2°C (28°F)	44 mm (1.7 inches)	82%	low