January Weather in San Juan Chamelco, Guatemala

Last updated: August 23, 2025

In San Juan Chamelco, Guatemala, the average temperature in January hovers around 18°C (64°F), with a minimum dropping to 8°C (47°F) and soaring to a maximum of 28°C (82°F). Expect 165 mm (6.5 in) of precipitation over 16 days, coupled with a high average humidity of 76%. Stay prepared for varying weather conditions while enjoying the charm of this location!

January Temperature in San Juan Chamelco

In January in San Juan Chamelco, the average temperature is 18°C (64°F). Maximums can reach 28°C (82°F), and minimums can drop to 8°C (47°F). This makes it a comfortable time to explore San Juan Chamelco, so pack layers for both warm and cooler moments during your travels.

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

The chart illustrates January temperature patterns in San Juan Chamelco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Chamelco, January typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (82°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec646667717272717171706664
Data source: Temperature data for San Juan Chamelco 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 Juan Chamelco

In San Juan Chamelco in January, the precipitation amount is 165 mm (6.5 in) over a period of 16 days.

January Precipitation Trends in San Juan Chamelco

The chart displays monthly precipitation patterns in San Juan Chamelco, 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 Juan Chamelco, January typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec16598112101252417255337378427333151
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Juan Chamelco

In San Juan Chamelco in January, humidity is 76%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel steamy and invigorating—perfect for exploring charming streets, though you might want to take breaks in the shade.

January Average Humidity in San Juan Chamelco

This chart illustrates the average monthly humidity levels in San Juan Chamelco, 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 Juan Chamelco 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 Juan Chamelco

In San Juan Chamelco in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Juan Chamelco.

Maximum UV Index Levels in San Juan Chamelco for January

The chart shows the monthly maximum UV Index (UVI) for San Juan Chamelco 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 Juan Chamelco typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141414141312109
Data source: San Juan Chamelco 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 Juan Chamelco Compares to Other Months

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

This table compares monthly weather conditions in San Juan Chamelco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)165 mm (6.5 inches)76%very high
February Weather19°C (66°F)98 mm (3.9 inches)68%extreme
March Weather19°C (67°F)112 mm (4.4 inches)59%extreme
April Weather22°C (71°F)101 mm (4.0 inches)57%extreme
May Weather22°C (73°F)252 mm (9.9 inches)65%extreme
June Weather22°C (72°F)417 mm (16.4 inches)66%extreme
July Weather21°C (71°F)255 mm (10.0 inches)75%extreme
August Weather22°C (71°F)337 mm (13.3 inches)82%extreme
September Weather22°C (71°F)378 mm (14.9 inches)82%extreme
October Weather21°C (70°F)427 mm (16.8 inches)83%extreme
November Weather19°C (67°F)333 mm (13.1 inches)80%very high
December Weather18°C (65°F)151 mm (5.9 inches)76%very high

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