January Weather in Apache Junction, United States

Last updated: June 24, 2025

In Apache Junction, United States, the average temperature for January hovers around 11°C (51°F). Temperatures can dip as low as -4°C (25°F), while the mercury may rise to a pleasant 26°C (79°F). Expect about 43 mm (1.7 in) of precipitation spread across 5 days, with an average humidity of 76%.

January Temperature in Apache Junction

In January in Apache Junction, the average temperature is 11°C (51°F). The maximum can reach 26°C (79°F) and the minimum can be as low as -4°C (25°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

January Weather in Apache Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Apache Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Apache Junction, January typically has an average temperature of 11°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Apache Junction

In Apache Junction in January, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

January Precipitation Trends in Apache Junction

The chart displays monthly precipitation patterns in Apache Junction, 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 Apache Junction, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 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 Apache Junction

In Apache Junction in January, humidity is 76%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that settles into your bones, making outdoor activities uncomfortable and potentially discouraging for traveling.

January Average Humidity in Apache Junction

This chart illustrates the average monthly humidity levels in Apache Junction, 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 Apache Junction 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 Apache Junction

In Apache Junction in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Apache Junction for better planning.

Maximum UV Index Levels in Apache Junction for January

The chart shows the monthly maximum UV Index (UVI) for Apache Junction 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 Apache Junction typically reaches 4, which falls under the moderate exposure category.

Data source: Apache Junction 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 Apache Junction Compares to Other Months

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

This table compares monthly weather conditions in Apache Junction, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	43 mm (1.7 inches)	76%	moderate
February Weather	12°C (54°F)	54 mm (2.1 inches)	79%	high
March Weather	16°C (61°F)	36 mm (1.4 inches)	67%	very high
April Weather	21°C (71°F)	3 mm (0.1 inches)	55%	very high
May Weather	26°C (78°F)	3 mm (0.1 inches)	40%	extreme
June Weather	32°C (89°F)	3 mm (0.1 inches)	33%	extreme
July Weather	33°C (91°F)	52 mm (2.1 inches)	34%	extreme
August Weather	32°C (90°F)	33 mm (1.3 inches)	48%	extreme
September Weather	29°C (85°F)	28 mm (1.1 inches)	64%	very high
October Weather	22°C (72°F)	26 mm (1.0 inches)	67%	very high
November Weather	17°C (63°F)	26 mm (1.0 inches)	77%	moderate
December Weather	11°C (52°F)	35 mm (1.4 inches)	82%	moderate