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April Weather in Sao Tome, Brazil

Last updated: August 22, 2025

In April, the average temperature in Sao Tome, Brazil is a warm 26°C (80°F), with minimums dipping to 21°C (70°F) and maximums soaring to 35°C (95°F). Prepare for some wet days, as precipitation amounts to 75 mm (2.9 in) across 16 days. The average humidity lingers at a high 89%, making for a tropical feel throughout the month.

April Temperature in Sao Tome

In April in Sao Tome, the average temperature is 26°C (80°F). Maximums can reach 35°C (95°F), while minimums can drop to 21°C (70°F). This warm climate is ideal for travelers seeking sunny days and outdoor activities.

April Weather in Sao Tome: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sao Tome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Tome, April typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec818180797977767778808181
Data source: Temperature data for Sao Tome generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sao Tome

In Sao Tome in April, the precipitation amount is 75 mm (2.9 in) spread over 16 days.

April Precipitation Trends in Sao Tome

The chart displays monthly precipitation patterns in Sao Tome, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sao Tome, April typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3480987563335288111118
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sao Tome

In Sao Tome in April, humidity is 89%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel feel exhausting as the air clings to your skin and saps your energy, urging you to seek shade and refreshment at every turn.

April Average Humidity in Sao Tome

This chart illustrates the average monthly humidity levels in Sao Tome, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sao Tome is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sao Tome

In Sao Tome in April, 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 Sao Tome, you can check here.

Maximum UV Index Levels in Sao Tome for April

The chart shows the monthly maximum UV Index (UVI) for Sao Tome in April, 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 April, the maximum UV index in Sao Tome typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141311111213131414
Data source: Sao Tome April 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 April Weather in Sao Tome Compares to Other Months

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

This table compares monthly weather conditions in Sao Tome, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)34 mm (1.3 inches)86%extreme
February Weather27°C (81°F)80 mm (3.1 inches)89%extreme
March Weather27°C (80°F)98 mm (3.9 inches)89%extreme
April Weather26°C (80°F)75 mm (2.9 inches)89%extreme
May Weather26°C (79°F)63 mm (2.5 inches)90%extreme
June Weather25°C (78°F)33 mm (1.3 inches)86%extreme
July Weather24°C (76°F)52 mm (2.1 inches)80%extreme
August Weather25°C (77°F)8 mm (0.3 inches)77%extreme
September Weather26°C (79°F)8 mm (0.3 inches)72%extreme
October Weather27°C (80°F)11 mm (0.4 inches)68%extreme
November Weather27°C (81°F)10 mm (0.4 inches)66%extreme
December Weather27°C (82°F)18 mm (0.7 inches)70%extreme

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