Last updated: June 24, 2025
In Bella Vista, United States, the average temperature in December hovers around 6°C (43°F), with a temperature range that can dip to a chilly -10°C (14°F) and reach a pleasant 24°C (75°F). During this month, expect about 64 mm (2.5 in) of precipitation spread over 7 days, contributing to an average humidity level of 87%. Whether you're bundling up or enjoying mild days, be prepared for the diverse weather!
In December in Bella Vista, the average temperature is 6°C (43°F), with a maximum that can reach 24°C (75°F) and a minimum that can be as low as -10°C (14°F). Be sure to pack a variety of clothing to stay comfortable during your travels, as the weather can vary significantly.
In Bella Vista in December, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.
In Bella Vista in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.
In Bella Vista 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 Bella Vista, you can check the information here.
UV Risk Categories
Weather in Bella Vista varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bella Vista, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 89 mm (3.5 inches) | 81% | moderate |
| February Weather | 4°C (40°F) | 95 mm (3.8 inches) | 78% | high |
| March Weather | 10°C (51°F) | 153 mm (6.0 inches) | 76% | high |
| April Weather | 14°C (57°F) | 181 mm (7.1 inches) | 78% | very high |
| May Weather | 19°C (67°F) | 172 mm (6.8 inches) | 83% | very high |
| June Weather | 24°C (76°F) | 98 mm (3.9 inches) | 83% | extreme |
| July Weather | 26°C (79°F) | 99 mm (3.9 inches) | 78% | extreme |
| August Weather | 25°C (77°F) | 139 mm (5.5 inches) | 68% | very high |
| September Weather | 23°C (74°F) | 65 mm (2.5 inches) | 64% | very high |
| October Weather | 15°C (60°F) | 166 mm (6.5 inches) | 70% | high |
| November Weather | 9°C (48°F) | 68 mm (2.7 inches) | 83% | moderate |
| December Weather | 6°C (43°F) | 64 mm (2.5 inches) | 87% | moderate |