July Weather in Sussex, United States

Last updated: June 24, 2025

In July, the average temperature in Sussex, United States is a pleasant 23°C (74°F), with minimums dipping to 12°C (55°F) and maximums reaching a warm 35°C (95°F). Expect some rain, as 97 mm (3.8 in) of precipitation typically falls over 10 days. The average humidity hovers around 78%, making for a humid yet comfortable climate.

July Temperature in Sussex

In July in Sussex, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F), while minimums can be as low as 12°C (55°F). This pleasant climate makes Sussex an ideal destination for travelers looking to enjoy outdoor activities and explore the local scenery.

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 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (55°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 total precipitation amount is 97 mm (3.8 in) over a span of 10 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 97 mm (3.8 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 Sussex

In Sussex in July humidity is 78%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping embrace, making travel somewhat stifling and prompting frequent breaks to hydrate and seek shade.

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 78%, 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	-5°C (23°F)	54 mm (2.1 inches)	85%	moderate
February Weather	-5°C (24°F)	51 mm (2.0 inches)	85%	moderate
March Weather	2°C (36°F)	61 mm (2.4 inches)	85%	moderate
April Weather	7°C (45°F)	107 mm (4.2 inches)	85%	very high
May Weather	14°C (58°F)	126 mm (5.0 inches)	78%	very high
June Weather	20°C (69°F)	106 mm (4.2 inches)	80%	very high
July Weather	23°C (74°F)	97 mm (3.8 inches)	78%	very high
August Weather	22°C (71°F)	87 mm (3.4 inches)	76%	very high
September Weather	18°C (65°F)	98 mm (3.9 inches)	79%	high
October Weather	11°C (52°F)	112 mm (4.4 inches)	83%	moderate
November Weather	3°C (37°F)	46 mm (1.8 inches)	88%	moderate
December Weather	-1°C (30°F)	46 mm (1.8 inches)	81%	low