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December Weather in Bella Vista, United States

Last updated: June 24, 2025

In December, the average temperature in Bella Vista, United States hovers around 7°C (45°F), with a minimum dipping to -4°C (26°F) and a maximum reaching 22°C (72°F). Be prepared for some rain, as the area experiences an average precipitation of 177 mm (7.0 in) spread over 12 days. With an average humidity of 86%, you'll want to bring your layers and a good umbrella!

December Temperature in Bella Vista

In December in Bella Vista, the average temperature is 7°C (45°F). The maximum can reach 22°C (72°F), while the minimum can drop as low as -4°C (26°F). This variability in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

December Weather in Bella Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bella Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bella Vista, December typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (72°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec454750576676848173615244
Data source: Temperature data for Bella Vista generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bella Vista

In Bella Vista in December, the total precipitation amount is 177 mm (7.0 in) spread out over 12 days.

December Precipitation Trends in Bella Vista

The chart displays monthly precipitation patterns in Bella Vista, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bella Vista, December typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2572292171166810011179152177
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bella Vista

In Bella Vista in December, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

December Average Humidity in Bella Vista

This chart illustrates the average monthly humidity levels in Bella Vista, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bella Vista is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bella Vista

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.

Maximum UV Index Levels in Bella Vista for December

The chart shows the monthly maximum UV Index (UVI) for Bella Vista in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bella Vista typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478111110109643
Data source: Bella Vista December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Bella Vista Compares to Other Months

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.

This table compares monthly weather conditions in Bella Vista, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)257 mm (10.1 inches)86%moderate
February Weather8°C (47°F)229 mm (9.0 inches)87%moderate
March Weather10°C (50°F)217 mm (8.6 inches)86%high
April Weather14°C (58°F)116 mm (4.6 inches)83%very high
May Weather19°C (66°F)68 mm (2.7 inches)72%extreme
June Weather25°C (76°F)10 mm (0.4 inches)67%extreme
July Weather29°C (84°F)0 mm (0.0 inches)56%very high
August Weather27°C (81°F)1 mm (0.1 inches)42%very high
September Weather23°C (73°F)11 mm (0.4 inches)46%very high
October Weather16°C (62°F)79 mm (3.1 inches)67%high
November Weather11°C (52°F)152 mm (6.0 inches)86%moderate
December Weather7°C (45°F)177 mm (7.0 inches)86%moderate

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