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December Weather in Sunray, United States

Last updated: June 24, 2025

In Sunray, United States, the average temperature in December hovers around 4°C (40°F). Temperatures can range from a brisk -12°C (11°F) to a surprisingly warm 25°C (76°F), offering a diverse weather experience. During this month, expect about 15 mm (0.6 in) of precipitation spread over 2 days and an average humidity of 81%, adding to the cool, crisp atmosphere.

December Temperature in Sunray

In December in Sunray, the average temperature is 4°C (40°F), with maximums reaching up to 25°C (76°F) and minimums dropping as low as -12°C (11°F). Be prepared for a wide range of temperatures when traveling to Sunray during this time.

December Weather in Sunray: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sunray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunray, December typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (76°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec373850566677807872574740
Data source: Temperature data for Sunray 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 Sunray

In Sunray in December, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

December Precipitation Trends in Sunray

The chart displays monthly precipitation patterns in Sunray, 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 Sunray, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec151146397444395627571315
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sunray

In Sunray in December humidity is 81%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that can make traveling quite uncomfortable, as the cold air clings uncomfortably to your skin and the moisture can quickly sap your body heat.

December Average Humidity in Sunray

This chart illustrates the average monthly humidity levels in Sunray, 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 Sunray is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sunray

In Sunray 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 Sunray for better planning.

Maximum UV Index Levels in Sunray for December

The chart shows the monthly maximum UV Index (UVI) for Sunray 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 Sunray typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Sunray 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 Sunray Compares to Other Months

Weather in Sunray varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sunray, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sunray, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)15 mm (0.6 inches)75%moderate
February Weather3°C (38°F)11 mm (0.4 inches)76%high
March Weather10°C (50°F)46 mm (1.8 inches)64%very high
April Weather13°C (56°F)39 mm (1.5 inches)70%very high
May Weather19°C (67°F)73 mm (2.9 inches)78%extreme
June Weather25°C (77°F)44 mm (1.7 inches)81%extreme
July Weather27°C (80°F)39 mm (1.5 inches)82%extreme
August Weather26°C (78°F)56 mm (2.2 inches)78%extreme
September Weather22°C (72°F)27 mm (1.1 inches)72%very high
October Weather14°C (58°F)57 mm (2.2 inches)73%high
November Weather9°C (48°F)13 mm (0.5 inches)80%moderate
December Weather4°C (40°F)15 mm (0.6 inches)81%moderate

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