Last updated: June 24, 2025
In December, the average temperature in Atwater, United States hovers around 10°C (50°F), with a minimum of -2°C (28°F) and a pleasant maximum of 23°C (73°F). Expect about 83 mm (3.3 in) of precipitation spread over 8 days, and enjoy a relatively high average humidity of 80%.
In December in Atwater, the average temperature is 10°C (50°F). Maximums can reach 23°C (73°F), while minimums can drop to as low as -2°C (28°F). This varied climate makes it essential for travelers to pack layers to adjust to shifting temperatures throughout the day.
In Atwater in December, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.
In Atwater in December, humidity is 80%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill enveloping you, making traveling somewhat uncomfortable as it seeps into your clothes and clings to your skin, leaving you longing for a cozy indoor refuge.
In Atwater 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 Atwater, you can check the information here.
UV Risk Categories
Weather in Atwater varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Atwater, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 10°C (51°F) | 96 mm (3.8 inches) | 82% | moderate |
February Weather | 12°C (53°F) | 73 mm (2.9 inches) | 84% | moderate |
March Weather | 14°C (57°F) | 89 mm (3.5 inches) | 82% | very high |
April Weather | 18°C (65°F) | 28 mm (1.1 inches) | 78% | very high |
May Weather | 22°C (72°F) | 23 mm (0.9 inches) | 71% | very high |
June Weather | 27°C (81°F) | 1 mm (0.0 inches) | 64% | extreme |
July Weather | 30°C (86°F) | 0 mm (0.0 inches) | 58% | extreme |
August Weather | 29°C (84°F) | 0 mm (0.0 inches) | 54% | very high |
September Weather | 26°C (78°F) | 0 mm (0.0 inches) | 55% | very high |
October Weather | 19°C (67°F) | 17 mm (0.7 inches) | 62% | high |
November Weather | 14°C (57°F) | 31 mm (1.2 inches) | 78% | moderate |
December Weather | 10°C (50°F) | 83 mm (3.3 inches) | 80% | moderate |