March Weather in Santo Antonio, Sao Tome and Principe

Last updated: August 31, 2025

In Santo Antonio, Sao Tome and Principe, the average temperature in March hovers around 28°C (82°F). Expect a comfortable range, with minimums of 25°C (77°F) and maximums reaching 30°C (86°F). However, be prepared for a bit of wet weather, as precipitation averages 159 mm (6.2 in) over 21 days. The air is quite humid, with an average humidity of 73%, making for a tropical atmosphere.

March Temperature in Santo Antonio

In March in Santo Antonio, the average temperature is 28°C (82°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 25°C (77°F). This mild and warm weather makes it an ideal time to explore and enjoy outdoor activities in Santo Antonio.

March Weather in Santo Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santo Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Antonio, March typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (77°F).

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

March Precipitation in Santo Antonio

In Santo Antonio in March, the total precipitation amount is 159 mm (6.2 in), occurring over the course of 21 days.

March Precipitation Trends in Santo Antonio

The chart displays monthly precipitation patterns in Santo Antonio, 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 Santo Antonio, March typically receives around 159 mm (6.2 inches) of precipitation spread over approximately 21 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Santo Antonio

In Santo Antonio in March humidity is 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

March Average Humidity in Santo Antonio

This chart illustrates the average monthly humidity levels in Santo Antonio, 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 Santo Antonio is approximately 73%, 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 Santo Antonio

In Santo Antonio 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 Santo Antonio, you can check here.

Maximum UV Index Levels in Santo Antonio for March

The chart shows the monthly maximum UV Index (UVI) for Santo Antonio 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 Santo Antonio typically reaches 14, which falls under the extreme exposure category.

Data source: Santo Antonio 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 Santo Antonio Compares to Other Months

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

This table compares monthly weather conditions in Santo Antonio, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	101 mm (4.0 inches)	75%	extreme
February Weather	28°C (82°F)	96 mm (3.8 inches)	75%	extreme
March Weather	28°C (82°F)	159 mm (6.2 inches)	73%	extreme
April Weather	28°C (82°F)	194 mm (7.6 inches)	74%	extreme
May Weather	27°C (81°F)	212 mm (8.4 inches)	75%	extreme
June Weather	26°C (80°F)	156 mm (6.2 inches)	76%	extreme
July Weather	25°C (78°F)	111 mm (4.4 inches)	76%	very high
August Weather	25°C (78°F)	111 mm (4.4 inches)	83%	extreme
September Weather	26°C (78°F)	259 mm (10.2 inches)	86%	extreme
October Weather	26°C (79°F)	286 mm (11.2 inches)	85%	extreme
November Weather	26°C (80°F)	261 mm (10.3 inches)	81%	extreme
December Weather	27°C (80°F)	172 mm (6.8 inches)	76%	extreme