January Weather in Goodyear, United States

Last updated: June 24, 2025

In January, the average temperature in Goodyear, United States hovers around 12°C (55°F). Expect a range of temperatures, with a minimum dipping to -1°C (30°F) and a maximum soaring to 28°C (84°F). Rainfall is moderate, with a precipitation amount of 22 mm (0.9 in) spread over just 3 days. The air is notably humid, boasting an average humidity of 76%.

January Temperature in Goodyear

In January in Goodyear, the average temperature is 12°C (55°F). The maximum can reach 28°C (84°F), while the minimum can be as low as -1°C (30°F). This variability in temperature makes Goodyear an ideal destination for travelers seeking a mix of mild and warm weather experiences.

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

The chart illustrates January temperature patterns in Goodyear, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goodyear, January typically has an average temperature of 12°C (55°F), with highs reaching up to 28°C (84°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Goodyear

In Goodyear in January, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

January Precipitation Trends in Goodyear

The chart displays monthly precipitation patterns in Goodyear, 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 Goodyear, January typically receives around 22 mm (0.9 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 Goodyear

In Goodyear in January humidity is 76%. With an average temperature of 12°C (55°F), this humidity feels like a damp embrace, making traveling somewhat uncomfortable as the air clings to your skin and can leave you feeling cooler than expected.

January Average Humidity in Goodyear

This chart illustrates the average monthly humidity levels in Goodyear, 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 Goodyear 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 Goodyear

In Goodyear 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 Goodyear for better planning.

Maximum UV Index Levels in Goodyear for January

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

Data source: Goodyear 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 Goodyear Compares to Other Months

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

This table compares monthly weather conditions in Goodyear, 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 (55°F)	22 mm (0.9 inches)	76%	moderate
February Weather	14°C (57°F)	32 mm (1.2 inches)	79%	high
March Weather	18°C (65°F)	29 mm (1.2 inches)	67%	very high
April Weather	24°C (75°F)	1 mm (0.0 inches)	55%	very high
May Weather	28°C (82°F)	2 mm (0.1 inches)	40%	extreme
June Weather	33°C (92°F)	2 mm (0.1 inches)	33%	extreme
July Weather	35°C (96°F)	34 mm (1.3 inches)	34%	extreme
August Weather	35°C (95°F)	34 mm (1.3 inches)	48%	extreme
September Weather	32°C (89°F)	25 mm (1.0 inches)	64%	very high
October Weather	24°C (76°F)	23 mm (0.9 inches)	67%	high
November Weather	19°C (66°F)	17 mm (0.7 inches)	77%	moderate
December Weather	13°C (55°F)	20 mm (0.8 inches)	82%	moderate