Last updated: June 24, 2025
In December, the average temperature in Stockton, United States hovers around 2°C (35°F). Be prepared for a wide range of temperatures, with minimums dipping as low as -18°C (1°F) and maximums soaring to 24°C (75°F). You'll also experience 32 mm (1.3 in) of precipitation over about 3 days, contributing to an average humidity of 83%.
In December in Stockton, the average temperature is 2°C (35°F). Maximums can reach 24°C (75°F), while minimums can drop as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures, packing both warm and light clothing for their visit.
In Stockton in December, the total precipitation amount is 32 mm (1.3 in) over a span of 3 days.
In Stockton in December humidity is 83%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel quite taxing.
In Stockton in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Stockton, you can check the information here.
UV Risk Categories
Weather in Stockton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Stockton, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 24 mm (0.9 inches) | 74% | moderate |
February Weather | -1°C (31°F) | 20 mm (0.8 inches) | 78% | moderate |
March Weather | 7°C (44°F) | 67 mm (2.7 inches) | 67% | high |
April Weather | 11°C (53°F) | 38 mm (1.5 inches) | 70% | very high |
May Weather | 17°C (64°F) | 158 mm (6.2 inches) | 82% | very high |
June Weather | 25°C (77°F) | 60 mm (2.4 inches) | 81% | extreme |
July Weather | 27°C (81°F) | 74 mm (2.9 inches) | 80% | extreme |
August Weather | 25°C (77°F) | 87 mm (3.4 inches) | 80% | very high |
September Weather | 22°C (72°F) | 59 mm (2.3 inches) | 73% | very high |
October Weather | 12°C (55°F) | 58 mm (2.3 inches) | 71% | high |
November Weather | 6°C (44°F) | 18 mm (0.7 inches) | 79% | moderate |
December Weather | 2°C (35°F) | 32 mm (1.3 inches) | 83% | moderate |