January Weather in Santo Tome, Argentina

Last updated: August 22, 2025

In January, the average temperature in Santo Tome, Argentina hovers around 27°C (81°F), providing a warm atmosphere. Temperatures can fluctuate, dipping as low as 16°C (61°F) and soaring to a maximum of 40°C (105°F). With an average humidity of 70%, the climate can feel quite muggy. Expect about 161 mm (6.4 in) of precipitation over 10 days, making it wise to carry an umbrella during this time.

January Temperature in Santo Tome

In January in Santo Tome, the average temperature is 27°C (81°F), with maximums soaring up to 40°C (105°F) and minimums dropping to as low as 16°C (61°F). Be prepared for warm days and cooler evenings while enjoying your travels in Santo Tome.

January Weather in Santo Tome: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santo Tome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tome, January typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (105°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec817975716461596267717579
Data source: Temperature data for Santo 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.

January Precipitation in Santo Tome

In Santo Tome in January, the total precipitation amount is 161 mm (6.4 in) distributed over a span of 10 days.

January Precipitation Trends in Santo Tome

The chart displays monthly precipitation patterns in Santo Tome, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Santo Tome, January typically receives around 161 mm (6.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec16171167135171101787611813913579
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santo Tome

In Santo Tome in January humidity is 70%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace that clings to the skin, making it essential to stay hydrated and plan for plenty of shade while exploring the vibrant sights and sounds.

January Average Humidity in Santo Tome

This chart illustrates the average monthly humidity levels in Santo Tome, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Santo Tome is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%66%73%81%83%77%69%51%59%63%66%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santo Tome

In Santo Tome in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santo Tome.

Maximum UV Index Levels in Santo Tome for January

The chart shows the monthly maximum UV Index (UVI) for Santo Tome in January, 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 January, the maximum UV index in Santo Tome typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210655710131414
Data source: Santo Tome January 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 January Weather in Santo Tome Compares to Other Months

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

This table compares monthly weather conditions in Santo Tome, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)161 mm (6.4 inches)70%extreme
February Weather26°C (79°F)71 mm (2.8 inches)66%extreme
March Weather24°C (76°F)167 mm (6.6 inches)73%extreme
April Weather21°C (71°F)135 mm (5.3 inches)81%very high
May Weather18°C (64°F)171 mm (6.7 inches)82%high
June Weather16°C (61°F)101 mm (4.0 inches)77%moderate
July Weather15°C (59°F)78 mm (3.1 inches)69%moderate
August Weather17°C (63°F)76 mm (3.0 inches)51%high
September Weather20°C (67°F)118 mm (4.6 inches)59%very high
October Weather22°C (72°F)139 mm (5.5 inches)63%extreme
November Weather24°C (76°F)135 mm (5.3 inches)66%extreme
December Weather26°C (79°F)79 mm (3.1 inches)81%extreme

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