January Weather in Sun City, United States

Last updated: June 24, 2025

In January, the average temperature in Sun City, 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 Sun City

In January in Sun City, 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 Sun City an ideal destination for travelers seeking a mix of mild and warm weather experiences.

January Weather in Sun City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sun City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sun City, 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 Sun City generated using information from the Copernicus Climate Change Service.

January Precipitation in Sun City

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

January Precipitation Trends in Sun City

The chart displays monthly precipitation patterns in Sun City, 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 Sun City, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Sun City

In Sun City 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 Sun City

This chart illustrates the average monthly humidity levels in Sun City, 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 Sun City 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 Sun City

In Sun City 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 Sun City for better planning.

Maximum UV Index Levels in Sun City for January

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

Data source: Sun City 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 Sun City Compares to Other Months

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

This table compares monthly weather conditions in Sun City, 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