Last updated: June 24, 2025
In January, the average temperature in Stockton, United States hovers around 1°C (35°F), with extremes ranging from a chilly -19°C (-2°F) to a pleasant 21°C (70°F). Expect a total precipitation of 69 mm (2.7 in) spread over about 7 days, contributing to an average humidity level of 81%. Prepare for a mix of weather as you explore this unique locale!
In January in Stockton, the average temperature is 1°C (35°F). The maximum can reach 21°C (70°F), and the minimum can be as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this month!
In Stockton in January, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.
In Stockton in January, humidity is 81%. With an average temperature of 1°C (35°F), this humidity feels like a thick, cold blanket wrapping around you, making travel uncomfortable and the air heavy, which can dampen your spirits as you navigate through the chilly conditions.
In Stockton in January, 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 January’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 (35°F) | 69 mm (2.7 inches) | 81% | moderate |
February Weather | 3°C (37°F) | 65 mm (2.5 inches) | 78% | high |
March Weather | 9°C (49°F) | 133 mm (5.2 inches) | 76% | high |
April Weather | 13°C (56°F) | 128 mm (5.0 inches) | 78% | very high |
May Weather | 19°C (67°F) | 180 mm (7.1 inches) | 83% | very high |
June Weather | 25°C (77°F) | 86 mm (3.4 inches) | 83% | extreme |
July Weather | 27°C (80°F) | 108 mm (4.2 inches) | 78% | extreme |
August Weather | 25°C (77°F) | 144 mm (5.7 inches) | 68% | very high |
September Weather | 23°C (73°F) | 75 mm (3.0 inches) | 64% | very high |
October Weather | 15°C (59°F) | 119 mm (4.7 inches) | 70% | high |
November Weather | 8°C (47°F) | 57 mm (2.2 inches) | 83% | moderate |
December Weather | 5°C (41°F) | 42 mm (1.6 inches) | 87% | moderate |