July Weather in Georgetown, Saint Helena, Ascension and Tristan da Cunha

Last updated: August 31, 2025

In July, the average temperature in Georgetown, Saint Helena, Ascension and Tristan da Cunha is a comfortable 25°C (77°F), with the mercury dipping to a minimum of 23°C (74°F) and peaking at 26°C (79°F). Expect a light sprinkle with an average precipitation of 17 mm (0.7 in) over 4 days. The air feels pleasantly humid, with an average humidity of 79%.

July Temperature in Georgetown

In July in Georgetown, the average temperature is 25°C (77°F). The maximum can reach 26°C (79°F), while the minimum can be as low as 23°C (74°F). This pleasant climate makes Georgetown an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates July temperature patterns in Georgetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Georgetown, July typically has an average temperature of 25°C (77°F), with highs reaching up to 26°C (79°F) and lows dropping to around 23°C (74°F).

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

July Precipitation in Georgetown

In Georgetown in July, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

July Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, 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 Georgetown, July typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Georgetown

In Georgetown in July, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

July Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, 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 Georgetown is approximately 79%, 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 Georgetown

In Georgetown 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 Georgetown.

Maximum UV Index Levels in Georgetown for July

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

Data source: Georgetown 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 Georgetown Compares to Other Months

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

This table compares monthly weather conditions in Georgetown, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	9 mm (0.3 inches)	82%	extreme
February Weather	26°C (79°F)	15 mm (0.6 inches)	80%	extreme
March Weather	27°C (80°F)	16 mm (0.6 inches)	79%	extreme
April Weather	27°C (81°F)	21 mm (0.8 inches)	80%	extreme
May Weather	26°C (80°F)	14 mm (0.6 inches)	85%	extreme
June Weather	26°C (78°F)	14 mm (0.6 inches)	81%	very high
July Weather	25°C (77°F)	17 mm (0.7 inches)	79%	very high
August Weather	24°C (75°F)	19 mm (0.8 inches)	79%	extreme
September Weather	24°C (75°F)	19 mm (0.7 inches)	80%	extreme
October Weather	24°C (75°F)	15 mm (0.6 inches)	80%	extreme
November Weather	24°C (76°F)	11 mm (0.4 inches)	80%	extreme
December Weather	24°C (76°F)	12 mm (0.5 inches)	80%	extreme