July Weather in Sussex, United States

Last updated: June 24, 2025

In Sussex, United States, the average temperature in July hovers around 27°C (81°F), with a refreshing minimum of 15°C (59°F) and a scorching maximum of 38°C (100°F). Expect 124 mm (4.9 in) of precipitation spread over 12 days, contributing to an average humidity of a sweltering 81%.

July Temperature in Sussex

In July in Sussex, the average temperature is 27°C (81°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 15°C (59°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor activities.

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 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (59°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 124 mm (4.9 in) over a span of 12 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 124 mm (4.9 inches) of precipitation spread over approximately 12 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 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

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 81%, 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 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 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 11, which falls under the extreme 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 (42°F)	84 mm (3.3 inches)	84%	moderate
February Weather	8°C (47°F)	105 mm (4.2 inches)	83%	high
March Weather	10°C (51°F)	85 mm (3.4 inches)	82%	high
April Weather	16°C (61°F)	109 mm (4.3 inches)	81%	very high
May Weather	21°C (69°F)	115 mm (4.5 inches)	80%	very high
June Weather	24°C (76°F)	116 mm (4.6 inches)	82%	very high
July Weather	27°C (81°F)	124 mm (4.9 inches)	81%	extreme
August Weather	26°C (79°F)	161 mm (6.3 inches)	81%	very high
September Weather	23°C (74°F)	113 mm (4.4 inches)	78%	very high
October Weather	18°C (65°F)	104 mm (4.1 inches)	80%	very high
November Weather	10°C (51°F)	78 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	89 mm (3.5 inches)	84%	moderate