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

Last updated: August 31, 2025

In March, the average temperature in Georgetown, Saint Helena, Ascension and Tristan da Cunha is a warm 27°C (80°F), with a minimum of 25°C (77°F) and a maximum reaching 28°C (83°F). Visitors can expect a comfortable yet humid experience, with an average humidity of 79%. However, be prepared for some moisture as well, with an average precipitation of 16 mm (0.6 in) spread over 5 days.

March Temperature in Georgetown

In March in Georgetown, the average temperature is 27°C (80°F), with maximums reaching 28°C (83°F) and minimums dipping to as low as 25°C (77°F). This pleasant weather makes Georgetown an ideal destination for travelers seeking a warm and comfortable climate.

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

The chart illustrates March 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, March typically has an average temperature of 27°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 25°C (77°F).

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

March Precipitation in Georgetown

In Georgetown in March, the precipitation amount is 16 mm (0.6 in) spread over a duration of 5 days.

March Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Georgetown, March typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Georgetown

In Georgetown in March humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

March Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Georgetown is approximately 79%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Georgetown

In Georgetown in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Georgetown, you can check here.

Maximum UV Index Levels in Georgetown for March

The chart shows the monthly maximum UV Index (UVI) for Georgetown in March, 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 March, the maximum UV index in Georgetown typically reaches 14, which falls under the extreme exposure category.

Data source: Georgetown March 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 March 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 March’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 March’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