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April Weather in Santo Tomas, Peru

Last updated: August 27, 2025

In Santo Tomas, Peru, the average temperature for April hovers around 7°C (45°F). Be prepared for chilly days, as temperatures can dip to a minimum of -6°C (22°F) and reach a comfortable maximum of 16°C (62°F). Additionally, expect 79 mm (3.1 in) of precipitation spread over 19 days, contributing to an average humidity level of 91%.

April Temperature in Santo Tomas

In April in Santo Tomas, the average temperature is 7°C (45°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -6°C (22°F). Travelers should be prepared for a range of temperatures, from cool days to potentially chilly nights.

April Weather in Santo Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Santo Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tomas, April typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (62°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec464646454241414446474847
Data source: Temperature data for Santo Tomas 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 Santo Tomas

In Santo Tomas in April, the precipitation amount is 79 mm (3.1 in), occurring over the course of 19 days.

April Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, 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 Santo Tomas, April typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec2132562397925810114083127212
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Santo Tomas

In Santo Tomas in April humidity is 91%. With an average temperature of 7°C (45°F), this humidity feels like a thick blanket wrapping around you, making it difficult to stay comfortable while traveling.

April Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, 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 Santo Tomas is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Santo Tomas

In Santo Tomas in April, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Santo Tomas, you can check Hourly UV Index in Santo Tomas.

Maximum UV Index Levels in Santo Tomas for April

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas 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 Santo Tomas typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec212222171411131517181921
Data source: Santo Tomas 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 Santo Tomas Compares to Other Months

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

This table compares monthly weather conditions in Santo Tomas, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)213 mm (8.4 inches)92%extreme
February Weather8°C (46°F)256 mm (10.1 inches)93%extreme
March Weather8°C (46°F)239 mm (9.4 inches)92%extreme
April Weather7°C (45°F)79 mm (3.1 inches)91%extreme
May Weather6°C (43°F)25 mm (1.0 inches)87%extreme
June Weather5°C (42°F)8 mm (0.3 inches)76%extreme
July Weather5°C (42°F)10 mm (0.4 inches)57%extreme
August Weather6°C (44°F)11 mm (0.4 inches)51%extreme
September Weather8°C (46°F)40 mm (1.6 inches)67%extreme
October Weather8°C (47°F)83 mm (3.3 inches)77%extreme
November Weather9°C (48°F)127 mm (5.0 inches)85%extreme
December Weather8°C (47°F)211 mm (8.3 inches)90%extreme

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