July Weather in Sussex, United States

Last updated: June 24, 2025

In July, the average temperature in Sussex, United States is a pleasant 24°C (75°F). However, temperatures can swing from a cool 12°C (54°F) to a warm 35°C (96°F). Be prepared for some rain, as 135 mm (5.3 in) of precipitation may fall over 13 days. With an average humidity of 62%, you'll want to stay hydrated while enjoying the vibrant atmosphere!

July Temperature in Sussex

In July in Sussex, the average temperature is 24°C (75°F). The maximum can reach 35°C (96°F) and the minimum can be as low as 12°C (54°F). This weather makes it ideal for travelers seeking pleasant, warm conditions with opportunities to enjoy both the sun and cooler evenings.

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

The chart illustrates July temperature patterns in Sussex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sussex, July typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Sussex

In Sussex in July, the precipitation amount is 135 mm (5.3 in) over the course of 13 days.

July Precipitation Trends in Sussex

The chart displays monthly precipitation patterns in Sussex, 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 Sussex, July typically receives around 135 mm (5.3 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 Sussex

In Sussex in July, humidity is 62%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making for a sticky yet comfortable travel experience that invites you to explore but may require occasional breaks to rehydrate and cool down.

July Average Humidity in Sussex

This chart illustrates the average monthly humidity levels in Sussex, 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 Sussex is approximately 62%, 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 Sussex

In Sussex 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 Sussex.

Maximum UV Index Levels in Sussex for July

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

Data source: Sussex 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 Sussex Compares to Other Months

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

This table compares monthly weather conditions in Sussex, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	71 mm (2.8 inches)	84%	moderate
February Weather	0°C (33°F)	98 mm (3.8 inches)	82%	moderate
March Weather	3°C (39°F)	92 mm (3.6 inches)	81%	high
April Weather	10°C (49°F)	114 mm (4.5 inches)	78%	very high
May Weather	15°C (60°F)	129 mm (5.1 inches)	69%	very high
June Weather	20°C (69°F)	97 mm (3.8 inches)	69%	very high
July Weather	24°C (75°F)	135 mm (5.3 inches)	62%	very high
August Weather	22°C (73°F)	130 mm (5.1 inches)	65%	very high
September Weather	19°C (66°F)	107 mm (4.2 inches)	68%	very high
October Weather	13°C (56°F)	139 mm (5.5 inches)	74%	high
November Weather	5°C (42°F)	88 mm (3.5 inches)	82%	moderate
December Weather	1°C (34°F)	103 mm (4.1 inches)	80%	low