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December Weather in Arapahoe, United States

Last updated: June 24, 2025

In Arapahoe, United States, the average temperature in December hovers around 10°C (51°F). Be prepared for a chilly minimum of -3°C (27°F) and a pleasant maximum of 23°C (74°F). Rainfall is noteworthy, with an average precipitation of 130 mm (5.1 in) spread over about 10 days. Expect the air to feel quite moist, with an average humidity level of 84%.

December Temperature in Arapahoe

In December in Arapahoe, the average temperature is 10°C (51°F). Maximums can reach 23°C (74°F), and minimums can be as low as -3°C (27°F). Be prepared for a range of temperatures when planning your travel, as you may experience both warmth and chilly conditions.

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

The chart illustrates December temperature patterns in Arapahoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arapahoe, December typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (74°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec475255637177818076685651
Data source: Temperature data for Arapahoe 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 Arapahoe

In Arapahoe in December, the precipitation amount is 130 mm (5.1 in) over a period of 10 days.

December Precipitation Trends in Arapahoe

The chart displays monthly precipitation patterns in Arapahoe, 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 Arapahoe, December typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec73111721001161611651871847396130
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arapahoe

In Arapahoe in December humidity is 84%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making even short distances feel burdensome and leaving you longing for a cozy indoor refuge while exploring the area.

December Average Humidity in Arapahoe

This chart illustrates the average monthly humidity levels in Arapahoe, 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 Arapahoe is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arapahoe

In Arapahoe 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 Arapahoe for better planning.

Maximum UV Index Levels in Arapahoe for December

The chart shows the monthly maximum UV Index (UVI) for Arapahoe 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 Arapahoe typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Arapahoe 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 Arapahoe Compares to Other Months

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

This table compares monthly weather conditions in Arapahoe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)73 mm (2.9 inches)84%moderate
February Weather11°C (52°F)111 mm (4.4 inches)81%high
March Weather13°C (55°F)72 mm (2.8 inches)80%very high
April Weather17°C (63°F)100 mm (3.9 inches)80%very high
May Weather22°C (71°F)116 mm (4.6 inches)81%extreme
June Weather25°C (77°F)161 mm (6.4 inches)82%extreme
July Weather27°C (81°F)165 mm (6.5 inches)83%extreme
August Weather27°C (80°F)187 mm (7.4 inches)82%very high
September Weather25°C (77°F)184 mm (7.2 inches)80%very high
October Weather20°C (69°F)73 mm (2.9 inches)79%very high
November Weather13°C (56°F)96 mm (3.8 inches)83%moderate
December Weather10°C (51°F)130 mm (5.1 inches)84%moderate

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