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January Weather in Arjona, Colombia

Last updated: August 23, 2025

In January, the average temperature in Arjona, Colombia hovers around 28°C (83°F), with a minimum of 22°C (72°F) and soaring to a maximum of 38°C (101°F). During this period, you can expect 13 mm (0.5 in) of precipitation spread over about 4 days, accompanied by a fairly high humidity level of 77%.

January Temperature in Arjona

In January, in Arjona, the average temperature is 28°C (83°F). Maximum temperatures can reach 38°C (101°F), while minimum temperatures can drop to as low as 22°C (72°F). This warm weather makes Arjona an ideal destination for travelers seeking sunshine and outdoor activities.

January Weather in Arjona: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arjona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arjona, January typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec838584848383838282818183
Data source: Temperature data for Arjona 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 Arjona

In Arjona in January, the precipitation amount is 13 mm (0.5 in) over a span of 4 days.

January Precipitation Trends in Arjona

The chart displays monthly precipitation patterns in Arjona, 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 Arjona, January typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1353010018618414219818819413738
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arjona

In Arjona in January, humidity is 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

January Average Humidity in Arjona

This chart illustrates the average monthly humidity levels in Arjona, 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 Arjona is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%77%79%79%85%87%85%85%83%82%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arjona

In Arjona 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 Arjona.

Maximum UV Index Levels in Arjona for January

The chart shows the monthly maximum UV Index (UVI) for Arjona 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 Arjona typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141313121313131110
Data source: Arjona 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 Arjona Compares to Other Months

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

This table compares monthly weather conditions in Arjona, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)13 mm (0.5 inches)77%extreme
February Weather29°C (85°F)5 mm (0.2 inches)77%extreme
March Weather29°C (85°F)30 mm (1.2 inches)77%extreme
April Weather29°C (84°F)100 mm (3.9 inches)79%extreme
May Weather28°C (83°F)186 mm (7.3 inches)79%extreme
June Weather28°C (83°F)184 mm (7.3 inches)85%extreme
July Weather28°C (83°F)142 mm (5.6 inches)87%extreme
August Weather28°C (83°F)198 mm (7.8 inches)85%extreme
September Weather28°C (82°F)188 mm (7.4 inches)85%extreme
October Weather27°C (81°F)194 mm (7.6 inches)83%extreme
November Weather27°C (82°F)137 mm (5.4 inches)82%extreme
December Weather28°C (83°F)38 mm (1.5 inches)78%very high

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