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December Weather in Hays, United States

Last updated: June 24, 2025

In Hays, United States during December, the average temperature hovers around 6°C (43°F), with a minimum dipping as low as -9°C (16°F) and a maximum peaking at 22°C (72°F). Expect about 110 mm (4.3 in) of precipitation spread over 9 days, accompanied by an average humidity of 86%. Stay prepared for a brisk yet intriguing month!

December Temperature in Hays

In December in Hays, the average temperature is 6°C (43°F), with a maximum that can reach 22°C (72°F) and a minimum that can drop as low as -9°C (16°F). This wide temperature range suggests that travelers should pack layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Hays, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hays, December typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec394449576672777570614743
Data source: Temperature data for Hays 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 Hays

In Hays in December, the precipitation amount is 110 mm (4.3 in) over the course of 9 days.

December Precipitation Trends in Hays

The chart displays monthly precipitation patterns in Hays, 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 Hays, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8811989138134938010413013884110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hays

In Hays in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

December Average Humidity in Hays

This chart illustrates the average monthly humidity levels in Hays, 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 Hays is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hays

In Hays 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 Hays, you can check the information here.

Maximum UV Index Levels in Hays for December

The chart shows the monthly maximum UV Index (UVI) for Hays 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 Hays typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010853
Data source: Hays 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 Hays Compares to Other Months

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

This table compares monthly weather conditions in Hays, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)88 mm (3.4 inches)87%moderate
February Weather7°C (45°F)119 mm (4.7 inches)87%high
March Weather10°C (50°F)89 mm (3.5 inches)86%very high
April Weather14°C (58°F)138 mm (5.4 inches)84%very high
May Weather19°C (66°F)134 mm (5.3 inches)83%extreme
June Weather22°C (73°F)93 mm (3.7 inches)83%extreme
July Weather25°C (77°F)80 mm (3.1 inches)79%extreme
August Weather24°C (75°F)104 mm (4.1 inches)66%very high
September Weather21°C (71°F)130 mm (5.1 inches)68%very high
October Weather16°C (61°F)138 mm (5.4 inches)78%very high
November Weather8°C (47°F)84 mm (3.3 inches)89%moderate
December Weather6°C (43°F)110 mm (4.3 inches)86%moderate

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