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

Last updated: August 31, 2025

In June, the average temperature in Georgetown, Saint Helena, Ascension and Tristan da Cunha is a pleasant 26°C (78°F). Expect a cozy range, with minimums dipping to 24°C (75°F) and maximums reaching 27°C (81°F). However, be prepared for some moisture, as total precipitation amounts to 14 mm (0.6 in) over about 4 days. With an average humidity of 81%, the air can feel comfortably refreshing.

June Temperature in Georgetown

In June in Georgetown, the average temperature is 26°C (78°F), with maximums reaching 27°C (81°F) and minimums dipping to 24°C (75°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy mild and comfortable weather.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (78°F), with highs reaching up to 27°C (81°F) and lows dropping to around 24°C (75°F).

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

June Precipitation in Georgetown

In Georgetown in June, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

June Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Georgetown, June typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Georgetown

In Georgetown in June, humidity is 81%. With an average temperature of 26°C (78°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel a bit more strenuous and the air heavy, which can be quite challenging for traveling.

June Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Georgetown is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Georgetown

In Georgetown in June, 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 June

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

Data source: Georgetown June 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 June 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 June’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 June’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