December Weather in Saint Davids, United Kingdom

Last updated: March 17, 2025

December in Saint Davids, United Kingdom, reveals a chilly embrace with temperatures ranging from a maximum of 13°C (57°F) to a minimum of 3°C (38°F), offering an average of 9°C (49°F). This month is characterized by high humidity at 80%, which, combined with 158 mm (6.2 in) of rainfall over 22 days, creates a serene yet damp atmosphere. Visitors and residents alike can expect a blend of cozy indoor days and refreshing, if wet, outdoor adventures, making December a quintessentially British winter experience.

December Temperature in Saint Davids

In December, Saint Davids experiences a subtle transition as temperatures begin to cool, with minimums around 3°C (38°F) and averages settling at 9°C (49°F). This drop marks a shift towards winter, yet maximum temperatures can still reach a mild 13°C (57°F), hinting at the region's temperate maritime climate. As the month progresses, the crisp air invites cozy gatherings, making December a festive time in this charming coastal town. Comparatively, temperatures in December are slightly warmer than those in the peak of winter months, showcasing a gradual cooling trend as the year draws to a close, providing a perfect backdrop for exploring the local culture and natural beauty.

December Weather in Saint Davids: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Davids, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec474646485256606159555149
Data source: Temperature data for Saint Davids 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 Saint Davids

As December arrives in Saint Davids, the rainfall takes center stage, culminating in 158 mm (6.2 in) of precipitation, making it the wettest month of the year. This increase contrasts with the drier months of spring and early summer, where total precipitation averages around 50 mm (2.0 in). December is not only notable for its substantial rainfall but also its frequency of precipitation, with 22 rainy days marking a peak in the annual cycle. This trend shows a clear shift from the milder, drier conditions of May and April, indicating an unmistakable transition into the winter months, where lush greenery meets the ever-present clouds of the coastal climate. As temperatures drop and daylight wanes, December’s abundant rainfall sets the stage for a quintessentially British winter landscape.

December Precipitation Trends in Saint Davids

The chart displays monthly precipitation patterns in Saint Davids, 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.
JanFebMarAprMayJunJulAugSepOctNovDec819986505073629395130149158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint Davids

As December settles over Saint Davids, the humidity begins to dip, measuring 80%, a slight decrease from the higher figures of the preceding months. This reduction marks a transition from a peak summer average of 87% in July and 86% in both August and June, showcasing a typical winter trend where humidity levels subside. The month of December, while still remaining relatively humid compared to earlier winter months, highlights a gradual decline that carries through to January, when humidity rises once again to 81%. This cyclical pattern reflects the region's distinct seasonal shifts, where the moisture-laden air of summer gives way to cooler, dryer winter months, creating a harmonious balance in the coastal climate's character.

December Average Humidity in Saint Davids

This chart illustrates the average monthly humidity levels in Saint Davids, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%83%84%85%86%87%86%85%85%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint Davids

In Saint Davids, United Kingdom, December heralds a return to low UV levels with a UV Index of 1, indicating minimal risk of harm from unprotected sun exposure. This drop in UV radiation follows the warmer months characterized by a peak index of 8 in June and July, where the risk heightened to very high levels. As the year draws to a close, the burn time extends back to 45 minutes, similar to the very beginning of the year in January. Between these extremes, the data reflects a clear seasonal trend with UV exposure gradually increasing from low levels in winter to high, and even very high, ratings in the summer months. For more detailed insights on UV levels throughout the year, visit Saint Davids UV Index.

Maximum UV Index Levels in Saint Davids for December

The chart shows the monthly maximum UV Index (UVI) for Saint Davids 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: Saint Davids 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 Saint Davids

In Saint Davids, December brings a modest 111 hours of sunshine, contributing to the tranquil charm of this coastal town. As the year draws to a close, it's clear that sunshine gradually increases from the stark beginnings of January with just 100 hours. The trend shows a steady rise through the spring months, peaking in July with an impressive 425 hours. However, by the time we reach December, the decrease in daylight is palpable, with the sun retreating just as the festive season unfolds. Despite the reduced hours, December's gentle sunlight offers a serene backdrop, inviting visitors to bask in the unique beauty of winter in Wales.

Monthly Sunshine Duration in Saint Davids: December Highlighted

The December sunshine duration represents the total number of hours Saint Davids 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.
JanFebMarAprMayJunJulAugSepOctNovDec100h158h227h338h416h413h425h384h318h246h138h111h
Data source: Saint Davids December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Davids During December

In Saint Davids, United Kingdom, the likelihood of sunny weather experiences a notable dip in December, with only a 24% chance of sun. This reflects a broader trend where the winter months tend to offer less sunshine compared to the slightly brighter spring and summer months. For instance, sunny probabilities peak in April with 53%, demonstrating how the transition towards warmer weather brings more sunny days. As we move deeper into the year, October and November see a similar decline, dropping to 21% and 22% respectively. By December, the sun rarely breaks through the clouds, making it clear that those seeking sunny outings will have to wait for the return of spring.

Percentage of Sunny Days in December in Saint Davids

The chart illustrates the percentage of sunny days in Saint Davids 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 Saint Davids experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%27%28%53%40%31%43%36%29%21%22%25%
Data source: Saint Davids December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Davids in December

As December settles in Saint Davids, the daylight duration begins to wane, offering just 7 hours of sunlight each day. This marks a notable decrease from the 8 hours seen in November, illustrating the gradual descent into winter. It’s part of a broader trend where daylight hours slowly lengthen from the depths of winter in December to the vibrant brightness of summer, which peaks at an impressive 16 hours in June and July. The transition from November’s twilight to December’s shorter days illustrates the seasonal shift, creating a crisp, cozy atmosphere perfect for festive celebrations. With each passing month, residents eagerly anticipate the return of longer days, culminating in the brighter months of spring and summer.

Average Daylight Hours in Saint Davids for December

The chart illustrates the variation in daylight duration in Saint Davids throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 21m9h 57m11h 55m13h 55m15h 41m16h 36m16h 6m14h 32m12h 35m10h 35m8h 47m7h 50m
Data source: Saint Davids daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saint Davids

As December settles over Saint Davids, the average wind speed picks up, reaching 8.3 m/s (19 mph), making it one of the brisker months of the year. Notably, this month showcases a slight increase compared to November's 7.6 m/s (17 mph), suggesting a transition into the winter season. Throughout the year, the wind speeds exhibit a general trend of decline from the highs of February's 8.8 m/s (20 mph), with summer months often experiencing the calmest conditions, highlighted by July's lowest of 4.3 m/s (10 mph). As the year draws to a close, the winds serve as a reminder of the vigorous elements that shape Saint Davids' coastal charm, heralding the arrival of winter's power.

Average December Wind Speed in Saint Davids

The chart displays monthly wind speed patterns in Saint Davids, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.87.25.36.25.44.35.84.98.07.68.3 m/s
Data source: Saint Davids December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saint Davids Compares to Other Months

The weather in Saint Davids 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 Saint Davids and find detailed weather information for every month.

December and January exhibit similar cool temperatures, with December experiencing a slightly higher average of 9°C (49°F) compared to January's average of 8°C (47°F). Both months see maximum temperatures peaking at around 13-14°C (57°F), but December is characterized by significantly higher precipitation, receiving 158 mm (6.2 in) over 22 days, whereas January has a much lower total of 81 mm (3.2 in) across just 13 days. Humidity levels remain comparably high, with December at 80% and January at 81%. For more detailed information on January weather, you can visit Saint Davids weather in January.

December weather is generally milder than February, with an average temperature of 9°C (49°F) compared to February's 8°C (46°F). However, December tends to be wetter, receiving 158 mm (6.2 in) of precipitation over 22 days, while February records only 99 mm (3.9 in) across 17 days. Humidity levels are slightly higher in February at 84%, compared to December's 80%. Overall, while both months share similar temperature ranges, December is characterized by greater precipitation and slightly lower humidity. For more details, check Saint Davids weather in February.

In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 13°C (57°F), with an average of 9°C (49°F). The month is characterized by high precipitation, totaling 158 mm (6.2 in) over 22 days, and relatively high humidity at 80%. In contrast, March experiences slightly cooler temperatures, where the minimum dips to -3°C (27°F) while the maximum remains at 14°C (57°F), translating to an average of 8°C (47°F). Precipitation is notably lower in March, with 86 mm (3.4 in) occurring over 16 days, accompanied by a slightly higher humidity level of 83%. For a detailed look at the weather conditions in March, you can check Saint Davids weather in March.

When comparing the weather in December and April, it's clear that both months have mild average temperatures, with December ranging from a minimum of 3°C (38°F) to a maximum of 13°C (57°F), and April showing a slightly warmer range of 4°C (40°F) to 17°C (62°F). However, December is considerably wetter, with 158 mm (6.2 in) of precipitation over 22 days, while April experiences a much drier climate with just 50 mm (2.0 in) of rainfall over 9 days. Additionally, humidity levels are slightly higher in April at 84%, compared to December’s 80%. For a closer look at April weather specifics, you can check Saint Davids weather in April.

In comparing the weather between December and May, we see notable differences in temperature and precipitation. December has a cooler range, with average temperatures from a minimum of 3°C (38°F) to a maximum of 13°C (57°F), while May enjoys a milder climate with temperatures ranging from 6°C (43°F) to 19°C (67°F). Additionally, December experiences significantly higher precipitation at 158 mm (6.2 in) over 22 days, compared to May's much lighter rainfall of 50 mm (2.0 in) across just 8 days. Despite the slight increase in humidity from December (80%) to May (85%), May offers a much drier and warmer experience overall. For more detailed information, you can visit Saint Davids weather in May.

The weather in December and June showcases a striking contrast in both temperature and precipitation. In December, temperatures range from a chilly minimum of 3°C (38°F) to a maximum of 13°C (57°F), accompanied by a significant amount of rainfall totaling 158 mm (6.2 in) over 22 days, which contributes to a high humidity level of 80%. In contrast, June offers milder conditions with temperatures starting at a minimum of 9°C (48°F) and reaching up to 21°C (70°F). The month also sees considerably less rainfall, with only 73 mm (2.9 in) spread over 13 days, and a slightly higher humidity level of 86%. This change in weather patterns highlights the transition from the cold, damp winter months to the warmer and more inviting summer season. For more specific insights into June's conditions, you can visit Saint Davids weather in June.

In December, temperatures in Saint Davids are notably cooler, with averages around 9°C (49°F) and a maximum of 13°C (57°F), while July enjoys a much warmer climate, with averages of 15°C (60°F) and highs reaching 22°C (72°F). December experiences significantly more precipitation, totaling 158 mm (6.2 inches) over 22 days, compared to July’s relatively drier conditions with only 62 mm (2.4 inches) falling over 11 days. Additionally, humidity levels remain high throughout both months, peaking at 87% in July compared to 80% in December, creating a contrast between the chill of winter and the warmth of summer. For more details, check out Saint Davids weather in July.

December and August present stark contrasts in weather, reflecting the shifts of seasons. December temperatures range from a low of 3°C (38°F) to a high of 13°C (57°F), with an average of 9°C (49°F). This month is also characterized by high humidity at 80% and frequent rainfall, with precipitation totaling 158 mm (6.2 in) over 22 days. In contrast, August offers milder conditions, with temperatures fluctuating between 12°C (54°F) and 21°C (71°F), averaging around 16°C (61°F). Although it is slightly more humid at 86%, precipitation is lower, totaling 93 mm (3.7 in) over 14 days. For a more detailed view of August weather, check Saint Davids weather in August.

When comparing the weather in December and September, several notable differences emerge. December tends to be colder, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (57°F), while September enjoys milder conditions, with temperatures ranging from 10°C (50°F) to a maximum of 23°C (73°F). Additionally, December sees significantly more precipitation, averaging 158 mm (6.2 in) over 22 days compared to September's 95 mm (3.7 in) over just 13 days. The humidity levels are quite similar, with December at 80% and September slightly higher at 85%, indicating a dampness common to both months. For more detailed information, you can check Saint Davids weather in September.

In comparing the weather between December and October, we can see notable differences in temperature and precipitation patterns. December experiences a cooler range of temperatures, with a minimum of 3°C (38°F) and an average of 9°C (49°F), while October is slightly milder, with temperatures ranging from a minimum of 5°C (41°F) to an average of 13°C (56°F). Precipitation is more pronounced in December, totaling 158 mm (6.2 in) over 22 days, compared to October's 130 mm (5.1 in) across 17 days. Humidity levels are also relatively high in both months, with December at 80% and October at 85%. For more detailed insights, you can check Saint Davids weather in October.

In comparison to November, December experiences slightly cooler temperatures, with average highs of 13°C (57°F) compared to November's 15°C (60°F). The minimum temperatures drop from November's 5°C (42°F) to December's 3°C (38°F). Precipitation levels increase in December, totaling 158 mm (6.2 in) over 22 days, while November sees slightly less at 148 mm (5.8 in) across 21 days. Humidity remains relatively similar, with December at 80% and November at 82%. For a detailed look at November's weather, visit Saint Davids weather in November.

Compare Saint Davids's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saint Davids

As December settles over Saint Davids, it brings a noticeable chill compared to the milder months preceding it. Temperatures dip significantly, offering a brisk atmosphere that contrasts sharply with the warmer fall days. Rain becomes a frequent companion, with over two-thirds of the month experiencing precipitation, contributing to a cozy yet damp landscape. The high humidity levels further enhance the feeling of cold, making it essential for visitors to bundle up. For those wishing to learn more about this unique climate, explore Saint Davids Climate and embrace the seasonal charm that December offers.