Last updated: June 24, 2025
In December, the average temperature in Sun City West, United States hovers around 12°C (54°F). Temperatures can vary quite a bit, with a minimum of 1°C (33°F) and a maximum of 28°C (82°F). Expect some rain, with precipitation amounting to 23 mm (0.9 in) over roughly 3 days. Humidity tends to be on the higher side, averaging around 82%.
In December in Sun City West, the average temperature is 12°C (54°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 1°C (33°F). This variability makes it essential for travelers to pack layers to stay comfortable throughout the day.
In Sun City West in December, the precipitation amount is 23 mm (0.9 in) over the course of 3 days.
In Sun City West in December humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.
In Sun City West in December, 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.
UV Risk Categories
Weather in Sun City West varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sun City West, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 29 mm (1.1 inches) | 76% | moderate |
| February Weather | 13°C (56°F) | 39 mm (1.5 inches) | 79% | high |
| March Weather | 17°C (63°F) | 35 mm (1.4 inches) | 67% | very high |
| April Weather | 23°C (73°F) | 1 mm (0.1 inches) | 55% | very high |
| May Weather | 26°C (80°F) | 2 mm (0.1 inches) | 40% | extreme |
| June Weather | 32°C (91°F) | 3 mm (0.1 inches) | 33% | extreme |
| July Weather | 34°C (93°F) | 41 mm (1.6 inches) | 34% | extreme |
| August Weather | 34°C (93°F) | 29 mm (1.2 inches) | 48% | extreme |
| September Weather | 30°C (87°F) | 21 mm (0.8 inches) | 64% | very high |
| October Weather | 23°C (74°F) | 22 mm (0.9 inches) | 67% | high |
| November Weather | 18°C (65°F) | 26 mm (1.0 inches) | 77% | moderate |
| December Weather | 12°C (54°F) | 23 mm (0.9 inches) | 82% | moderate |