Last updated: August 22, 2025
In December, the average temperature in Long Beach, Australia hovers around 19°C (67°F). Expect a range that can dip to a cool 13°C (56°F) and rise to a warm 32°C (90°F). During this month, you'll likely experience 120 mm (4.7 in) of precipitation spread across 13 days, while humidity lingers at an average of 71%. Embrace the variability in weather as you plan your activities!
In December in Long Beach, the average temperature is 19°C (67°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 13°C (56°F). This makes it a great time to visit for those who enjoy mild weather with warm days and cooler evenings.
In Long Beach in December, the precipitation amount is 120 mm (4.7 in) spread over 13 days.
In Long Beach in December, humidity is 71%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel pleasant yet slightly sticky, as the air clings gently to your skin and invites you to stay hydrated while exploring.
In Long Beach in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Long Beach, you can check here.
UV Risk Categories
Weather in Long Beach varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Long Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (71°F) | 63 mm (2.5 inches) | 70% | extreme |
| February Weather | 21°C (69°F) | 129 mm (5.1 inches) | 74% | extreme |
| March Weather | 20°C (68°F) | 153 mm (6.0 inches) | 73% | extreme |
| April Weather | 18°C (64°F) | 49 mm (1.9 inches) | 73% | high |
| May Weather | 15°C (60°F) | 74 mm (2.9 inches) | 72% | moderate |
| June Weather | 13°C (55°F) | 60 mm (2.4 inches) | 70% | moderate |
| July Weather | 12°C (55°F) | 75 mm (3.0 inches) | 69% | moderate |
| August Weather | 13°C (55°F) | 86 mm (3.4 inches) | 68% | moderate |
| September Weather | 14°C (58°F) | 40 mm (1.6 inches) | 64% | high |
| October Weather | 16°C (61°F) | 92 mm (3.6 inches) | 61% | very high |
| November Weather | 18°C (64°F) | 124 mm (4.9 inches) | 64% | extreme |
| December Weather | 19°C (67°F) | 120 mm (4.7 inches) | 71% | extreme |