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December Weather in Hereford, United States

Last updated: June 24, 2025

In December, the average temperature in Hereford, United States hovers around 5°C (42°F). However, temperatures can vary widely, dipping to a chilly -10°C (15°F) at their lowest and soaring to a comfortable 24°C (75°F) at their peak. Residents can expect approximately 8 mm (0.3 in) of precipitation spread over just 1 day, contributing to an average humidity level of 77%. Stay prepared for the season's surprises!

December Temperature in Hereford

In December in Hereford, the average temperature is 5°C (42°F). The maximum can reach 24°C (75°F) and the minimum can be as low as -10°C (15°F). Be sure to pack layers and prepare for a wide range of temperatures while exploring this destination!

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

The chart illustrates December temperature patterns in Hereford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hereford, December typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (75°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec394151586877807771584841
Data source: Temperature data for Hereford 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 Hereford

In Hereford in December, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Hereford

The chart displays monthly precipitation patterns in Hereford, 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 Hereford, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec19113823493023473256108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hereford

In Hereford in December, humidity is 77%. With an average temperature of 5°C (42°F), this humidity feels like a chilly, damp embrace, making outdoor activities feel quite uncomfortable and the air heavy as you traverse the landscape.

December Average Humidity in Hereford

This chart illustrates the average monthly humidity levels in Hereford, 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 Hereford is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hereford

In Hereford 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 Hereford for better planning.

Maximum UV Index Levels in Hereford for December

The chart shows the monthly maximum UV Index (UVI) for Hereford 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 Hereford typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121210864
Data source: Hereford 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 Hereford Compares to Other Months

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

This table compares monthly weather conditions in Hereford, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)19 mm (0.7 inches)74%moderate
February Weather5°C (41°F)11 mm (0.4 inches)75%high
March Weather11°C (52°F)38 mm (1.5 inches)61%very high
April Weather14°C (58°F)23 mm (0.9 inches)61%extreme
May Weather20°C (68°F)49 mm (1.9 inches)69%extreme
June Weather25°C (77°F)30 mm (1.2 inches)74%extreme
July Weather26°C (80°F)23 mm (0.9 inches)75%extreme
August Weather25°C (78°F)47 mm (1.8 inches)78%extreme
September Weather22°C (71°F)32 mm (1.3 inches)76%very high
October Weather14°C (58°F)56 mm (2.2 inches)76%very high
November Weather9°C (49°F)10 mm (0.4 inches)80%high
December Weather5°C (42°F)8 mm (0.3 inches)77%moderate

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