Last updated: June 24, 2025
In December, the average temperature in Fremont, United States is around -1°C (31°F), with potential extremes ranging from a chilly -23°C (-9°F) to a surprisingly warm 20°C (69°F). The region experiences approximately 42 mm (1.7 in) of precipitation over 4 days, coupled with a notably high average humidity of 83%. Be prepared for a mix of brisk air and damp conditions during your visit!
In December in Fremont, the average temperature is -1°C (31°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -23°C (-9°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!
In Fremont in December, the precipitation amount is 42 mm (1.7 in) distributed over a span of 4 days.
In Fremont in December humidity is 83%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, icy blanket enveloping you, making each step outside feel like a struggle against the cold, damp air that clings to your skin, often leaving you wishing for warmth and refuge indoors.
In Fremont in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Fremont, you can visit Hourly UV Index in Fremont.
UV Risk Categories
Weather in Fremont varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fremont, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 31 mm (1.2 inches) | 76% | moderate |
| February Weather | -4°C (25°F) | 28 mm (1.1 inches) | 80% | moderate |
| March Weather | 5°C (41°F) | 93 mm (3.7 inches) | 73% | high |
| April Weather | 10°C (50°F) | 56 mm (2.2 inches) | 74% | very high |
| May Weather | 17°C (62°F) | 148 mm (5.8 inches) | 78% | very high |
| June Weather | 24°C (76°F) | 112 mm (4.4 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 69 mm (2.7 inches) | 83% | very high |
| August Weather | 23°C (75°F) | 100 mm (3.9 inches) | 80% | very high |
| September Weather | 21°C (69°F) | 79 mm (3.1 inches) | 75% | very high |
| October Weather | 11°C (52°F) | 99 mm (3.9 inches) | 75% | high |
| November Weather | 4°C (40°F) | 30 mm (1.2 inches) | 82% | moderate |
| December Weather | -1°C (31°F) | 42 mm (1.7 inches) | 83% | low |