Last updated: June 24, 2025
In December, the average temperature in Garden Grove, United States is a mild 14°C (58°F), with minimums dropping to 5°C (42°F) and maximums reaching up to 27°C (82°F). Expect about 68 mm (2.7 in) of precipitation over 5 days, accompanied by an average humidity of 71%. Perfect for enjoying the unique charm of the season!
In December in Garden Grove, the average temperature is 14°C (58°F). The maximum can reach 27°C (82°F), and the minimum can be as low as 5°C (42°F). This moderate climate makes Garden Grove an ideal destination for travelers seeking comfortable weather and a pleasant atmosphere.
In Garden Grove in December, the total precipitation amount is 68 mm (2.7 in) over the course of 5 days.
In Garden Grove in December humidity is 71%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it essential for travelers to pack light, breathable clothing and stay hydrated while exploring the sights.
In Garden Grove 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 Garden Grove for better planning.
UV Risk Categories
Weather in Garden Grove varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Garden Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 14°C (57°F) | 65 mm (2.5 inches) | 74% | moderate |
February Weather | 14°C (58°F) | 52 mm (2.0 inches) | 79% | high |
March Weather | 15°C (60°F) | 55 mm (2.2 inches) | 75% | very high |
April Weather | 17°C (63°F) | 23 mm (0.9 inches) | 70% | very high |
May Weather | 18°C (64°F) | 12 mm (0.5 inches) | 70% | very high |
June Weather | 20°C (68°F) | 4 mm (0.2 inches) | 72% | extreme |
July Weather | 22°C (72°F) | 3 mm (0.1 inches) | 73% | extreme |
August Weather | 23°C (73°F) | 2 mm (0.1 inches) | 69% | very high |
September Weather | 22°C (72°F) | 3 mm (0.1 inches) | 68% | very high |
October Weather | 20°C (69°F) | 9 mm (0.4 inches) | 67% | high |
November Weather | 17°C (63°F) | 18 mm (0.7 inches) | 68% | moderate |
December Weather | 14°C (58°F) | 68 mm (2.7 inches) | 71% | moderate |