January Weather in Marana, United States

Last updated: June 24, 2025

In January, the average temperature in Marana, United States is a mild 12°C (54°F). However, temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum of 26°C (80°F). Expect some rain, as 26 mm (1.0 in) of precipitation is typically spread over 3 days. Humidity levels are relatively high, averaging 76%, contributing to a damp atmosphere.

January Temperature in Marana

In January in Marana, the average temperature is 12°C (54°F). Maximums can reach 26°C (80°F), while minimums can drop as low as -1°C (30°F). This variation in temperature makes it essential to pack layers when traveling during this month.

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

The chart illustrates January temperature patterns in Marana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marana, January typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (80°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Marana

In Marana in January, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

January Precipitation Trends in Marana

The chart displays monthly precipitation patterns in Marana, 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 Marana, January typically receives around 26 mm (1.0 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 Marana

In Marana in January, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

January Average Humidity in Marana

This chart illustrates the average monthly humidity levels in Marana, 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 Marana is approximately 76%, 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 Marana

In Marana in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Marana.

Maximum UV Index Levels in Marana for January

The chart shows the monthly maximum UV Index (UVI) for Marana 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 Marana typically reaches 5, which falls under the moderate exposure category.

Data source: Marana 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 Marana Compares to Other Months

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

This table compares monthly weather conditions in Marana, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	26 mm (1.0 inches)	76%	moderate
February Weather	13°C (56°F)	31 mm (1.2 inches)	79%	high
March Weather	17°C (63°F)	16 mm (0.6 inches)	67%	very high
April Weather	22°C (73°F)	2 mm (0.1 inches)	55%	extreme
May Weather	26°C (79°F)	2 mm (0.1 inches)	40%	extreme
June Weather	32°C (89°F)	7 mm (0.3 inches)	33%	extreme
July Weather	32°C (90°F)	52 mm (2.0 inches)	34%	extreme
August Weather	32°C (90°F)	39 mm (1.5 inches)	48%	extreme
September Weather	29°C (85°F)	26 mm (1.0 inches)	64%	extreme
October Weather	23°C (74°F)	9 mm (0.4 inches)	67%	very high
November Weather	18°C (65°F)	17 mm (0.7 inches)	77%	high
December Weather	12°C (55°F)	26 mm (1.0 inches)	82%	moderate