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January Weather in Arapahoe, United States

Last updated: June 24, 2025

In January, the average temperature in Arapahoe, United States hovers around -2°C (29°F). Temperatures can swing dramatically, dipping as low as -20°C (-4°F) and peaking at 17°C (63°F). During this period, expect about 20 mm (0.8 in) of precipitation over approximately 3 days, with an average humidity of 73%.

January Temperature in Arapahoe

In January in Arapahoe, the average temperature is -2°C (29°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -20°C (-4°F). Expect a wide range of temperatures, so pack accordingly for your trip.

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

The chart illustrates January 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, January typically has an average temperature of -2°C (29°F), with highs reaching up to 17°C (63°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec282842506175787569524233
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.

January Precipitation in Arapahoe

In Arapahoe in January, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.

January Precipitation Trends in Arapahoe

The chart displays monthly precipitation patterns in Arapahoe, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Arapahoe, January typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2019743815257717161581732
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arapahoe

In Arapahoe in January, humidity is 73%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket wrap, making outdoor activities challenging as the cold air becomes damp, seeping into your clothes and chilling you to the bone.

January Average Humidity in Arapahoe

This chart illustrates the average monthly humidity levels in Arapahoe, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Arapahoe is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arapahoe

In Arapahoe in January, 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 Arapahoe, you can check the information here.

Maximum UV Index Levels in Arapahoe for January

The chart shows the monthly maximum UV Index (UVI) for Arapahoe in January, 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 January, the maximum UV index in Arapahoe typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Arapahoe January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)20 mm (0.8 inches)73%moderate
February Weather-2°C (28°F)19 mm (0.8 inches)80%moderate
March Weather5°C (42°F)74 mm (2.9 inches)64%high
April Weather10°C (50°F)38 mm (1.5 inches)64%very high
May Weather16°C (61°F)152 mm (6.0 inches)76%very high
June Weather24°C (75°F)57 mm (2.2 inches)79%extreme
July Weather26°C (79°F)71 mm (2.8 inches)77%extreme
August Weather24°C (75°F)70 mm (2.8 inches)79%very high
September Weather21°C (70°F)61 mm (2.4 inches)70%very high
October Weather11°C (52°F)58 mm (2.3 inches)64%high
November Weather5°C (42°F)17 mm (0.7 inches)75%moderate
December Weather0°C (33°F)32 mm (1.2 inches)78%moderate

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