Last updated: June 24, 2025
In December, the average temperature in Sparks, United States hovers around 13°C (55°F), with a chilly minimum of -4°C (25°F) and a warm maximum of 27°C (81°F). Expect 124 mm (4.9 in) of precipitation over approximately 9 days, contributing to a high average humidity of 88%. Whether you’re exploring or simply enjoying the scenery, be ready for a mix of weather!
In December in Sparks, the average temperature is 13°C (55°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -4°C (25°F). This variation in temperatures makes it essential for travelers to pack layers to comfortably adapt to changing conditions.
In Sparks in December, the precipitation amount is 124 mm (4.9 in) over the course of 9 days.
In Sparks in December humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.
In Sparks 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 Sparks for better planning.
UV Risk Categories
Weather in Sparks varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sparks, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (53°F) | 75 mm (3.0 inches) | 85% | moderate |
| February Weather | 15°C (59°F) | 101 mm (4.0 inches) | 82% | very high |
| March Weather | 17°C (63°F) | 70 mm (2.7 inches) | 80% | very high |
| April Weather | 20°C (68°F) | 87 mm (3.4 inches) | 76% | extreme |
| May Weather | 24°C (76°F) | 64 mm (2.5 inches) | 73% | extreme |
| June Weather | 27°C (81°F) | 119 mm (4.7 inches) | 74% | extreme |
| July Weather | 28°C (83°F) | 124 mm (4.9 inches) | 80% | extreme |
| August Weather | 28°C (82°F) | 108 mm (4.3 inches) | 79% | extreme |
| September Weather | 27°C (80°F) | 118 mm (4.6 inches) | 83% | very high |
| October Weather | 23°C (73°F) | 70 mm (2.7 inches) | 77% | very high |
| November Weather | 15°C (60°F) | 48 mm (1.9 inches) | 84% | high |
| December Weather | 13°C (55°F) | 124 mm (4.9 inches) | 88% | moderate |