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January Weather in Sun City West, United States

Last updated: June 24, 2025

In January, the average temperature in Sun City West, United States is a mild 12°C (54°F). Expect a range from a chilly -1°C (31°F) to a warm 27°C (81°F). During this time, precipitation averages 29 mm (1.1 in) over 4 days, contributing to an average humidity of 76%.

January Temperature in Sun City West

In January in Sun City West, the average temperature is 12°C (54°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -1°C (31°F). This variation in temperatures makes Sun City West a versatile destination for travelers, offering both warm and cool experiences throughout the month.

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

The chart illustrates January temperature patterns in Sun City West, 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 West, January typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec545563738090939287746454
Data source: Temperature data for Sun City West generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Sun City West

In Sun City West in January, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.

January Precipitation Trends in Sun City West

The chart displays monthly precipitation patterns in Sun City West, 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 West, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec293935123412921222623
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sun City West

In Sun City West 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 Sun City West

This chart illustrates the average monthly humidity levels in Sun City West, 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 West is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sun City West

In Sun City West 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 West for better planning.

Maximum UV Index Levels in Sun City West for January

The chart shows the monthly maximum UV Index (UVI) for Sun City West 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 West typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111110754
Data source: Sun City West 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 West Compares to Other Months

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

This table compares monthly weather conditions in Sun City West, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)29 mm (1.1 inches)76%moderate
February Weather13°C (56°F)39 mm (1.5 inches)79%high
March Weather17°C (63°F)35 mm (1.4 inches)67%very high
April Weather23°C (73°F)1 mm (0.1 inches)55%very high
May Weather26°C (80°F)2 mm (0.1 inches)40%extreme
June Weather32°C (91°F)3 mm (0.1 inches)33%extreme
July Weather34°C (93°F)41 mm (1.6 inches)34%extreme
August Weather34°C (93°F)29 mm (1.2 inches)48%extreme
September Weather30°C (87°F)21 mm (0.8 inches)64%very high
October Weather23°C (74°F)22 mm (0.9 inches)67%high
November Weather18°C (65°F)26 mm (1.0 inches)77%moderate
December Weather12°C (54°F)23 mm (0.9 inches)82%moderate

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