Last updated: June 24, 2025
In December, the average temperature in West Whittier-Los Nietos, United States hovers around 13°C (56°F). Expect a minimum of 3°C (37°F) and a pleasant maximum of 27°C (82°F). Throughout the month, precipitation averages 72 mm (2.8 in) spread over 4 days, while the average humidity lingers at a comfortable 71%.
In December in West Whittier-Los Nietos, the average temperature is 13°C (56°F), with maximums reaching up to 27°C (82°F) and minimums dropping as low as 3°C (37°F). This makes it an ideal time for travelers to enjoy mild weather while exploring all that West Whittier-Los Nietos has to offer.
In West Whittier-Los Nietos in December, the precipitation amount is 72 mm (2.8 in) over the course of 4 days.
In West Whittier-Los Nietos in December humidity is 71%. With an average temperature of 13°C (56°F), this humidity feels like a damp embrace that can make exploring the area feel a bit stifling and requires light, breathable clothing to remain comfortable while traveling.
In West Whittier-Los Nietos 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 West Whittier-Los Nietos for better planning.
UV Risk Categories
Weather in West Whittier-Los Nietos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in West Whittier-Los Nietos, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 13°C (56°F) | 75 mm (3.0 inches) | 74% | moderate |
February Weather | 13°C (56°F) | 63 mm (2.5 inches) | 79% | high |
March Weather | 14°C (58°F) | 67 mm (2.7 inches) | 75% | very high |
April Weather | 17°C (63°F) | 23 mm (0.9 inches) | 70% | very high |
May Weather | 18°C (65°F) | 16 mm (0.6 inches) | 70% | very high |
June Weather | 21°C (70°F) | 3 mm (0.1 inches) | 72% | extreme |
July Weather | 24°C (76°F) | 2 mm (0.1 inches) | 73% | extreme |
August Weather | 25°C (76°F) | 2 mm (0.1 inches) | 69% | very high |
September Weather | 23°C (74°F) | 4 mm (0.1 inches) | 68% | very high |
October Weather | 20°C (69°F) | 10 mm (0.4 inches) | 67% | high |
November Weather | 17°C (62°F) | 20 mm (0.8 inches) | 68% | moderate |
December Weather | 13°C (56°F) | 72 mm (2.8 inches) | 71% | moderate |