January Weather in Isla Arena, Mexico

Last updated: August 27, 2025

The average temperature in Isla Arena, Mexico for January is a pleasant 23°C (74°F). Expect a minimum of 18°C (65°F) and a maximum reaching 29°C (85°F). With an average precipitation of 17 mm (0.7 in) spread over 3 days, you may want to bring an umbrella. Additionally, the humidity levels are around 79%, adding a touch of warmth to the atmosphere.

January Temperature in Isla Arena

In January in Isla Arena, the average temperature is 23°C (74°F). The maximum can reach 29°C (85°F) while the minimum can be as low as 18°C (65°F). This pleasant weather makes Isla Arena an ideal destination for outdoor activities and exploration during this time of year.

January Weather in Isla Arena: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Isla Arena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isla Arena, January typically has an average temperature of 23°C (74°F), with highs reaching up to 29°C (85°F) and lows dropping to around 18°C (65°F).

Data source: Temperature data for Isla Arena generated using information from the Copernicus Climate Change Service.

January Precipitation in Isla Arena

In Isla Arena in January, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

January Precipitation Trends in Isla Arena

The chart displays monthly precipitation patterns in Isla Arena, 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 Isla Arena, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Isla Arena

In Isla Arena in January, humidity is 79%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit less comfortable, urging travelers to seek shade and hydration throughout the day.

January Average Humidity in Isla Arena

This chart illustrates the average monthly humidity levels in Isla Arena, 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 Isla Arena is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Isla Arena

In Isla Arena in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Isla Arena.

Maximum UV Index Levels in Isla Arena for January

The chart shows the monthly maximum UV Index (UVI) for Isla Arena 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 Isla Arena typically reaches 8, which falls under the very high exposure category.

Data source: Isla Arena 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 Isla Arena Compares to Other Months

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

This table compares monthly weather conditions in Isla Arena, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	17 mm (0.7 inches)	79%	very high
February Weather	24°C (76°F)	6 mm (0.2 inches)	80%	very high
March Weather	25°C (78°F)	2 mm (0.1 inches)	76%	extreme
April Weather	27°C (81°F)	5 mm (0.2 inches)	74%	extreme
May Weather	28°C (83°F)	13 mm (0.5 inches)	72%	extreme
June Weather	28°C (83°F)	128 mm (5.0 inches)	73%	extreme
July Weather	28°C (83°F)	13 mm (0.5 inches)	77%	extreme
August Weather	28°C (83°F)	51 mm (2.0 inches)	77%	extreme
September Weather	28°C (83°F)	44 mm (1.7 inches)	75%	extreme
October Weather	27°C (82°F)	111 mm (4.4 inches)	76%	extreme
November Weather	25°C (78°F)	33 mm (1.3 inches)	81%	very high
December Weather	24°C (76°F)	19 mm (0.8 inches)	84%	high