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January Weather in San Jeronimo, Guatemala

Last updated: August 23, 2025

In January, the average temperature in San Jeronimo, Guatemala is a comfortable 19°C (67°F). However, temperatures can vary significantly, with a minimum of 8°C (47°F) and a maximum reaching 33°C (91°F). During this month, expect a total precipitation of 16 mm (0.6 in) spread over about 5 days, while the air remains relatively humid, averaging 76%.

January Temperature in San Jeronimo

In January in San Jeronimo, the average temperature is 19°C (67°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 8°C (47°F). This makes San Jeronimo an ideal destination for travelers seeking a comfortable climate with a mix of warm and cool days.

January Weather in San Jeronimo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Jeronimo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jeronimo, January typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec666970747472727272716867
Data source: Temperature data for San Jeronimo 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 San Jeronimo

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

January Precipitation Trends in San Jeronimo

The chart displays monthly precipitation patterns in San Jeronimo, 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 San Jeronimo, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1691534145182981691722047717
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Jeronimo

In San Jeronimo in January, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

January Average Humidity in San Jeronimo

This chart illustrates the average monthly humidity levels in San Jeronimo, 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 San Jeronimo is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Jeronimo

In San Jeronimo in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Jeronimo.

Maximum UV Index Levels in San Jeronimo for January

The chart shows the monthly maximum UV Index (UVI) for San Jeronimo 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 San Jeronimo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515141414141413119
Data source: San Jeronimo 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 San Jeronimo Compares to Other Months

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

This table compares monthly weather conditions in San Jeronimo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)16 mm (0.6 inches)76%extreme
February Weather20°C (69°F)9 mm (0.3 inches)68%extreme
March Weather21°C (70°F)15 mm (0.6 inches)59%extreme
April Weather23°C (74°F)34 mm (1.3 inches)57%extreme
May Weather23°C (74°F)145 mm (5.7 inches)65%extreme
June Weather22°C (72°F)182 mm (7.2 inches)66%extreme
July Weather22°C (72°F)98 mm (3.9 inches)75%extreme
August Weather22°C (72°F)169 mm (6.7 inches)82%extreme
September Weather22°C (72°F)172 mm (6.8 inches)82%extreme
October Weather21°C (71°F)204 mm (8.0 inches)83%extreme
November Weather20°C (69°F)77 mm (3.0 inches)80%extreme
December Weather19°C (67°F)17 mm (0.7 inches)76%very high

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