December Weather in Hay, United Kingdom

Last updated: March 17, 2025

December in Hay, United Kingdom, offers a chilly atmosphere with average temperatures hovering around 5°C (42°F), peaking at 12°C (54°F) and dipping as low as -9°C (16°F). Residents can expect a moist month, with total precipitation reaching 117 mm (4.6 in) over 17 days, contributing to the town's characteristic dampness. With humidity levels soaring at 89%, it’s a time when layering up becomes essential, and the scenic winter landscape invites both locals and visitors to embrace the beauty of the season.

December Temperature in Hay

In Hay, United Kingdom, December ushers in the chill of winter, with temperatures dipping to a minimum of -9°C (16°F). The average temperature hovers around 5°C (42°F), offering a modest reprieve from the colder nights, while daytime peaks reach a maximum of 12°C (54°F). As the year draws to a close, December marks a significant drop when compared to the milder fall months, with a sharp shift from November’s more temperate conditions. This increase in cold underscores the transition into winter, creating a brisk atmosphere that may inspire cozy indoor activities or festive gatherings. Overall, December in Hay is a clear reminder of the season’s arrival, making it a unique time to experience the charm of the countryside blanketed in winter's embrace.

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

The chart illustrates December temperature patterns in Hay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394042465157615955504441
Data source: Temperature data for Hay generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Hay

In December, Hay, United Kingdom, experiences a notable surge in precipitation, with 117 mm (4.6 in) of rainfall, matching the peak levels recorded in October. This increase occurs over a relatively high number of precipitation days, totaling 17, indicating that residents can expect consistent showers throughout the month. The trend reveals December as one of the wettest months of the year, capping off a cycle of damp weather that begins with modest rainfall in the earlier months. This pattern highlights Hay's typical transition into winter, where clouds frequent the sky, and the landscape transforms into a lush, green vista nourished by the steady downpours.

December Precipitation Trends in Hay

The chart displays monthly precipitation patterns in Hay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6810410260888680927411798117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hay

In December, humidity levels in Hay, United Kingdom, typically hover around 89%, maintaining the high values seen throughout the autumn months. Following a slight dip in November, which recorded 90%, December experiences a marginal decrease yet remains notably elevated compared to the summer months, where humidity plunged to 70% in July. This consistent moisture in the air hints at the region's characteristic dampness during winter, setting a stark contrast to the drier spring months, where humidity levels dipped to 80% and below. Overall, December's humidity reflects a broader trend of increasing moisture from the summer into the colder months, creating an atmospheric embrace that defines the season in Hay.

December Average Humidity in Hay

This chart illustrates the average monthly humidity levels in Hay, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hay

In December, Hay, United Kingdom, experiences a low UV Index of 1, meaning that sun exposure is generally safe, with an estimated burn time of 45 minutes for fair-skinned individuals. This month stands in contrast to the summer months, where the UV Index peaked at 8, indicating very high levels of UV radiation and significantly reduced burn times. As we transition from November's low UV Index of 2 back to December's level, it's evident that the winter months bring a welcome respite from the sun's intensity, encouraging outdoor activities without the worry of sunburn. To learn more about UV trends in your area, visit Hay UV Index.

Maximum UV Index Levels in Hay for December

The chart shows the monthly maximum UV Index (UVI) for Hay 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Hay 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.

December Sunshine in Hay

In Hay, United Kingdom, December greets us with a gentle dip to 90 hours of sunshine, a significant drop as the year draws to a close. This trend reflects a broader pattern where the winter months tend to be less radiant, following a peak in summer with July basking in 384 hours of golden light. The transition from the luxuriant 368 hours of May to the cool, crisp December is noteworthy, showing a remarkable shift in the seasonal palette. As one moves from the vibrant spring and summer days to the quieter autumn and winter months, the decreasing sunlight serves as a reminder of nature's cyclical rhythms. The gradual descent from the sun-soaked height of mid-year to the languid winter days encapsulates the charm of Hay's changing skies, inviting cozy contemplation as the year gently fades into the stillness of winter.

Monthly Sunshine Duration in Hay: December Highlighted

The December sunshine duration represents the total number of hours Hay experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec76h125h182h294h368h344h384h336h271h209h110h90h
Data source: Hay December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hay During December

In December, the likelihood of sunny weather in Hay, United Kingdom, dips to a modest 15%, making it one of the duller months for sunshine. This drop follows a more promising trend seen in the spring months, particularly April, which boasts nearly 48% sunny days. Following April, the sun’s presence begins to wane steadily, with a particularly low chance in December, reminiscent of the winter chill felt across the UK. This trend signals that while December may bring festive cheer, it carries more cloud cover than radiant sunshine, inviting cozy indoor celebrations rather than outdoor gatherings.

Percentage of Sunny Days in December in Hay

The chart illustrates the percentage of sunny days in Hay throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%18%23%48%26%24%35%21%23%17%26%15%
Data source: Hay December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hay in December

As December settles over Hay, United Kingdom, daylight dwindles to a mere 7 hours a day, marking the month's shortest sunlight duration. This decline becomes apparent as the year transitions from the long, luminous stretch of summer—where June and July bask in up to 16 hours of daylight—to the quieter, darker days of winter. The gradual journey from 17 hours in June to December's subdued glow paints a poignant picture of seasonal change, inviting both reflection and appreciation for the subtle beauty of shorter days and longer nights. While the sun’s retreat might signal the end of vibrant outdoor activities, it also offers a cozy chance to embrace indoor warmth and festive cheer as the year draws to a close.

Average Daylight Hours in Hay for December

The chart illustrates the variation in daylight duration in Hay throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 19m9h 56m11h 54m13h 56m15h 42m16h 38m16h 8m14h 33m12h 35m10h 34m8h 46m7h 48m
Data source: Hay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Hay

As December arrives in Hay, United Kingdom, the winds start to pick up, averaging 4.2 m/s (9 mph), mirroring the gusty conditions seen in both January and October. This slight increase from November’s 3.5 m/s reflects a trend of fluctuating wind speeds that typically peaks during the colder months. It’s interesting to note that while wind speed generally decreases in the summer months, December's breezes can feel invigorating, ushering in the winter season with a refreshing, brisk chill. As we transition into the heart of winter, the consistent wind patterns remind us of the shifting seasons, offering a lively backdrop to Hay's picturesque landscape.

Average December Wind Speed in Hay

The chart displays monthly wind speed patterns in Hay, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.84.13.03.83.02.73.42.94.23.54.2 m/s
Data source: Hay December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Hay Compares to Other Months

The weather in Hay changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Hay and find detailed weather information for every month.

December and January weather exhibit some similarities but also notable differences. In December, temperatures can drop as low as -9°C (16°F), with an average of 5°C (42°F), while January shows a slightly warmer average of 4°C (39°F) and a minimum of -8°C (18°F). Both months have a maximum temperature of 12°C (54°F). December is significantly wetter, experiencing 117 mm (4.6 in) of precipitation over 17 days compared to January's 68 mm (2.7 in) over just 12 days. Humidity remains quite high in both months, at 89% for December and 88% for January, making the air feel damp and cool. For more detailed information about January weather, you can check out Hay weather in January.

In December, temperatures range from a chilly -9°C (16°F) at their lowest to a mild 12°C (54°F) at their highest, with an average of 5°C (42°F). The month sees 117 mm (4.6 in) of precipitation over 17 days, coupled with a high humidity level of 89%. In contrast, February experiences slightly warmer conditions, with minimum temperatures around -7°C (20°F) and maximums reaching 16°C (61°F), while maintaining a similar average of 5°C (41°F). Precipitation decreases to 104 mm (4.1 in) over 15 days and humidity remains marginally lower at 88%. For more specific details on February weather, you can check this link: Hay weather in February.

December and March exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of -9°C (16°F) to a maximum of 12°C (54°F), with an average of about 5°C (42°F). The month sees substantial precipitation, totaling 117 mm (4.6 in) over 17 days, and an average humidity level of 89%. In contrast, March offers slightly milder conditions, with temperatures ranging from -8°C (18°F) to a pleasant maximum of 19°C (66°F), averaging around 6°C (42°F). Precipitation decreases to 102 mm (4.0 in) across 16 days, and humidity levels are slightly lower at 86%. For a detailed look at the weather specifics during this time, you can check Hay weather in March.

In comparing the weather between December and April, one can observe notable differences in both temperature and precipitation. December tends to be colder, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 12°C (54°F), and it experiences significantly higher precipitation at 117 mm (4.6 in) over 17 days, contributing to a humid atmosphere with 89% humidity. In contrast, April brings milder weather, with temperatures varying from a minimum of -4°C (25°F) to a pleasant maximum of 21°C (71°F). The precipitation decreases to 60 mm (2.4 in) across just 9 days, accompanied by a slightly lower humidity level of 84%. For a closer look at April weather, you can visit Hay weather in April.

In December, temperatures can drop as low as -9°C (16°F) and typically average around 5°C (42°F), peaking at 12°C (54°F). The month experiences considerable precipitation, averaging 117 mm (4.6 in) over 17 days, accompanied by high humidity levels of 89%. In contrast, May brings a milder climate, with temperatures ranging from a minimum of -2°C (29°F) to a comfortable maximum of 25°C (76°F), with an average of 11°C (52°F). Precipitation in May is lower at 88 mm (3.5 in) over 13 days, and the humidity is also reduced to 80%. For more information on the pleasant conditions in May, you can check Hay weather in May.

December and June present contrasting weather patterns, highlighting the shift from winter to summer. In December, temperatures can drop as low as -9°C (16°F), with an average of 5°C (42°F) and highs reaching only 12°C (54°F). The month is characterized by significant precipitation, totaling 117 mm (4.6 in) over 17 days, and a high humidity level of 89%.

In stark contrast, June experiences milder temperatures, with a minimum of 4°C (40°F), an average of 14°C (57°F), and highs soaring up to 28°C (82°F). Precipitation in June is lower, totaling 86 mm (3.4 in) over 14 days, and humidity decreases to 80%. For more information on June weather, you can check this link: Hay weather in June.

December and July present stark contrasts in weather. December is characterized by much colder temperatures, with minimums dropping to -9°C (16°F) and an average of 5°C (42°F). In contrast, July offers a more temperate climate, featuring minimum temperatures around 5°C (41°F) and soaring averages of 16°C (61°F), peaking at a warm 28°C (82°F). Precipitation is more frequent in December, totaling 117 mm (4.6 in) over 17 days, while July sees less rainfall at 80 mm (3.1 in) across 12 days. Additionally, December's humidity is notably higher at 89%, compared to July's more moderate 70%. For a closer look at July's climate, check out Hay weather in July.

December weather is characterized by significantly colder temperatures, with a minimum reaching -9°C (16°F) and an average of 5°C (42°F), compared to August's milder conditions, where temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). Precipitation levels are higher in December, totaling 117 mm (4.6 in) over 17 days, whereas August sees a relatively lower rainfall of 92 mm (3.6 in) across 13 days. Additionally, December's humidity stands at a high 89%, making the chilly air feel even colder, while August offers a more comfortable humidity level of 73%. For more insights on the weather during August, you can visit Hay weather in August.

December and September present contrasting weather patterns. December experiences colder temperatures, with minimums dropping to -9°C (16°F) and average highs around 5°C (42°F), while September is much milder, featuring averages of 13°C (55°F) and maximums reaching 27°C (80°F). Precipitation is more prevalent in December, with 117 mm (4.6 in) over 17 days, compared to September's 74 mm (2.9 in) over 12 days. Additionally, December has a higher humidity level at 89%, compared to September's 79%. For more detailed insights on September weather, visit Hay weather in September.

When comparing the weather in December and October, noticeable differences emerge. December is significantly colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 12°C (54°F), while October enjoys milder temperatures from -3°C (27°F) to 21°C (70°F). Both months receive similar precipitation levels of 117 mm (4.6 in), but December experiences rainfall over 17 days compared to 14 days in October. Interestingly, humidity remains constant at 89% for both months, contributing to a damp, chilly atmosphere in December versus the more temperate feel of October. For those interested in specifics about October weather, you can find additional details in this link: Hay weather in October.

In comparing the weather between November and December, December tends to be colder, with minimum temperatures reaching as low as -9°C (16°F) compared to November's minimum of -4°C (25°F). The average temperature also drops slightly from 7°C (44°F) in November to 5°C (42°F) in December, while the maximum temperature in December is capped at 12°C (54°F), marginally lower than November's 15°C (59°F). Precipitation increases in December, totaling 117 mm (4.6 in) over 17 days, compared to November's 98 mm (3.9 in) over 15 days, and humidity remains high in both months, with December at 89% and November at 90%. For more detailed insights into November weather, check out Hay weather in November.

Compare Hay's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Hay

As December unfolds in Hay, it brings a distinctive chill that sets it apart from the milder months preceding it. With temperatures dropping to a minimum of -9°C and an average of just 5°C, the air is notably crisper, making it essential for residents and visitors to bundle up. The month also features an increase in precipitation, with rain sweeping through on 17 days, contributing to a rather damp atmosphere and a high humidity of 89%. This contrast from other months creates a unique winter landscape, perfect for cozy indoor activities or enjoying the serene beauty of nature during the festive season. For more detailed insights about the climate, explore Hay Climate.