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December Weather in Hays, United States

Last updated: June 24, 2025

In December, the average temperature in Hays, United States hovers around 2°C (36°F). Expect chilly days, with minimum temperatures dipping to -15°C (5°F) while soaring to a pleasant 24°C (75°F) at times. Rainfall is modest, with 29 mm (1.1 in) of precipitation spread over 2 days. Overall, brace for a humid atmosphere with an average humidity level of 83%.

December Temperature in Hays

In December in Hays, the average temperature is 2°C (36°F), with maximums reaching 24°C (75°F) and minimums dropping to as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit to Hays.

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 2°C (36°F), with highs reaching up to 24°C (75°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec313145536477817772554436
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 29 mm (1.1 in) over the course of 2 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 29 mm (1.1 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2420644213966738055612229
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 83%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket, making travel uncomfortable as the chill seeps into your bones and the moisture clings to your clothing, forcing you to constantly seek warmth and shelter.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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 Weather-1°C (31°F)24 mm (0.9 inches)74%moderate
February Weather0°C (32°F)20 mm (0.8 inches)78%moderate
March Weather7°C (45°F)64 mm (2.5 inches)67%high
April Weather12°C (53°F)42 mm (1.6 inches)70%very high
May Weather18°C (64°F)139 mm (5.5 inches)82%very high
June Weather25°C (77°F)66 mm (2.6 inches)81%extreme
July Weather27°C (81°F)73 mm (2.9 inches)80%extreme
August Weather25°C (77°F)80 mm (3.1 inches)80%very high
September Weather22°C (72°F)55 mm (2.1 inches)73%very high
October Weather13°C (55°F)61 mm (2.4 inches)71%high
November Weather7°C (44°F)22 mm (0.9 inches)79%moderate
December Weather2°C (36°F)29 mm (1.1 inches)83%moderate

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