Last updated: June 24, 2025
In Ridge Spring, United States, the average temperature in December hovers around 10°C (51°F). Temperatures can swing from a brisk -6°C (21°F) to a warm 28°C (82°F). During this time, expect about 119 mm (4.7 in) of precipitation spread over 9 days, contributing to an average humidity level of 87%. Prepare for a mix of cool and damp days!
In December in Ridge Spring, the average temperature is 10°C (51°F). The maximum can reach 28°C (82°F), while the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Ridge Spring in December, the precipitation amount is 119 mm (4.7 in) occurring over a span of 9 days.
In Ridge Spring in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.
In Ridge Spring 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 Ridge Spring for better planning.
UV Risk Categories
Weather in Ridge Spring varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ridge Spring, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 84 mm (3.3 inches) | 86% | moderate |
| February Weather | 12°C (54°F) | 114 mm (4.5 inches) | 81% | high |
| March Weather | 14°C (58°F) | 85 mm (3.4 inches) | 81% | very high |
| April Weather | 18°C (65°F) | 115 mm (4.5 inches) | 79% | very high |
| May Weather | 23°C (74°F) | 110 mm (4.3 inches) | 75% | extreme |
| June Weather | 26°C (79°F) | 101 mm (4.0 inches) | 75% | extreme |
| July Weather | 28°C (82°F) | 137 mm (5.4 inches) | 80% | extreme |
| August Weather | 27°C (80°F) | 142 mm (5.6 inches) | 81% | extreme |
| September Weather | 25°C (77°F) | 84 mm (3.3 inches) | 83% | very high |
| October Weather | 20°C (69°F) | 80 mm (3.1 inches) | 78% | very high |
| November Weather | 13°C (55°F) | 69 mm (2.7 inches) | 85% | high |
| December Weather | 10°C (51°F) | 119 mm (4.7 inches) | 87% | moderate |