Last updated: March 17, 2025
December in St Austell, United Kingdom, offers a chilly maritime climate characterized by an average temperature of 9°C (48°F), with highs reaching up to 14°C (58°F) and lows dipping to around 1°C (35°F). This month experiences considerable rainfall, averaging 120 mm (4.7 in) spread across 19 days, contributing to a notably high humidity level of 89%. As daylight wanes and festive cheer fills the air, this coastal town showcases its stunning landscapes draped in lush greenery, making December a unique blend of winter charm and cozy warmth.
In St Austell, United Kingdom, December brings a noticeable chill as temperatures dip with the onset of winter. The month typically sees minimum temperatures around 1°C (35°F), providing a stark contrast to the previous months. The average temperature settles at 9°C (48°F), hinting at the cooling trend that unfolds through the season. Despite the drops in temperature, daytime highs can still reach a mild 14°C (58°F), allowing for some pleasant moments amidst the cold. As the year wraps up, the climate fosters a cozy atmosphere for festive gatherings, even as it showcases the gradual transition into the colder months ahead.
December in St Austell, United Kingdom, marks a significant uptick in precipitation, with 120 mm (4.7 in) of rain falling over an average of 19 days. This trend reflects the onset of winter, as December boasts the highest precipitation levels of the year, exceeding even the typically wet autumn months of October and November. The increase from November's 98 mm (3.9 in) highlights a seasonal shift, with the region experiencing nearly a quarter more rain despite a similar number of rainy days. As the year draws to a close, residents can expect a moist and often miserable climate, setting the stage for the lush landscapes that characterize Cornwall in the warmer months.
In December, St Austell experiences a notable humidity level of 89%, reminiscent of the damp conditions that characterize the preceding months. As the year closes, humidity begins to stabilize after a gradual decline from 90% in November, reflecting a more consistent moisture pattern throughout the winter. The data reveals a distinct trend where humidity peaks in the colder months, particularly from October to December, before easing into the milder conditions of spring. This lingering humidity not only contributes to the area's lush greenery but also sets the stage for the shift towards dryer, warmer weather as summer approaches. Overall, the coastal climate of St Austell maintains a high level of humidity during these winter months, creating a unique atmospheric experience for residents and visitors alike.
In December, St Austell experiences a UV Index of 1, categorized as low, which means sun exposure is generally safe for most people. With a burn time of approximately 45 minutes, this month signals a shift from the higher UV levels seen in earlier months, particularly the summer peak of 9 in June. As the year winds down, the UV Index remains relatively low, similar to January and February's readings. This trend of diminishing UV strength through the winter months encourages residents and visitors to enjoy the outdoors without the same level of sun protection required in the sunnier months. For more details on the UV levels throughout the year, you can visit St Austell UV Index.
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In December, St Austell experiences a gentle decline in sunshine hours, with 118 hours of sun gracing the coastal town. This follows a steady upward trend from the drab winter months, with January starting at just 94 hours. As the year unfolds, the sun shines brighter, culminating in July’s peak of 426 hours, the sunniest month of the year. The seasonal shift is evident as autumn gives way to winter; while the lush greens of summer start to fade, the daylight dwindles—December offers a serene, albeit shorter, bask in sunshine compared to earlier months. This cozy month invites residents and visitors alike to appreciate the softer warmth of the winter sun, a tranquil contrast to the vibrant, sunlit days of summer.
In St Austell, December marks the onset of winter, and with it comes a notable dip in sunny weather, boasting only an 18% chance of sunshine. This figure represents a significant decline from the relatively brighter months earlier in the year, particularly April, which enjoys a far more promising 52% chance of sunny days. Following the warmth of summer, where July reaches 37%, the gradual decrease in sunshine from the vibrant spring months to the dimmer December highlights a clear trend: as the year draws to a close, residents can expect increasingly overcast skies, making the chances of enjoying a sunny winter day quite slim.
In St Austell, United Kingdom, the daylight duration undergoes a fascinating transformation throughout the year. After enjoying the longest days of summer with up to 16 hours in June, the daylight begins to wane, leading into the shorter winter months. By December, residents experience a return to 8 hours of daylight, reminiscent of November, as daylight hours reach their annual low. This seasonal rhythm underscores a gentle ebb and flow; as winter approaches, daylight diminishes, creating a cozy atmosphere perfect for indoor gatherings and festive celebrations. With February bringing a notable increase to 10 hours of daylight, the promise of early spring ignites a sense of anticipation as the days gradually lengthen once more.
As December settles over St Austell, the winds pick up their pace, averaging 6.9 m/s (15 mph), making it one of the breezier months of the year. After a gradual decline in wind speed throughout the late spring and summer, the gusts start to strengthen again as autumn progresses. Notably, November's average of 4.8 m/s (11 mph) serves as a calm prelude to December's invigorating breezes. This pattern illustrates a seasonal resurgence in wind strength, setting the stage for the crisp, lively atmosphere that characterizes the winter months in this charming coastal town.
The weather in St Austell 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 St Austell and find detailed weather information for every month.
December and January experience similar maximum temperatures, both reaching up to 14°C (58°F). However, December is notably warmer on average, with temperatures ranging from a minimum of 1°C (35°F) to an average of 9°C (48°F), compared to January’s range of -1°C (31°F) to an average of 7°C (46°F). Additionally, December sees significantly more precipitation, with 120 mm (4.7 in) falling over 19 days, whereas January receives only 68 mm (2.7 in) over 11 days. Humidity levels remain fairly constant, resting at 89% in December and slightly lower at 88% in January. For a detailed look at the climate during this time, check out St Austell weather in January.
December weather is generally milder than that of February, with minimum temperatures rarely dropping below 1°C (35°F) compared to February's lows of -2°C (28°F). Both months have a maximum temperature around 14°C (57°F), but February often feels colder due to the lower minimum temperature. December experiences higher precipitation levels, with 120 mm (4.7 in) over 19 days, while February sees less rainfall at 91 mm (3.6 in) across 15 days. Humidity levels remain quite similar in both months, hovering around 89% in December and 88% in February. For a detailed look at February weather in St Austell, visit St Austell weather in February.
In December, St Austell experiences milder temperatures, with a minimum of 1°C (35°F) and average highs reaching 14°C (58°F), accompanied by significant precipitation of 120 mm (4.7 in) over 19 days and high humidity at 89%. In contrast, March sees slightly cooler temperatures, starting from a minimum of -4°C (25°F) and averaging around 8°C (47°F), with a peak of 15°C (60°F). Precipitation decreases to 88 mm (3.5 in) across 16 days, and humidity remains relatively stable at 86%. This comparison highlights December as wetter and more humid, while March tends to feature a colder start and slightly less precipitation. For more details, you can check St Austell weather in March.
In December, the weather tends to be quite brisk, with temperatures ranging from a chilly 1°C (35°F) to a maximum of 14°C (58°F), averaging around 9°C (48°F). This month sees significant precipitation, totaling 120 mm (4.7 in) over approximately 19 days, contributing to a high humidity level of 89%. In contrast, April brings a welcome shift as temperatures rise slightly, with a minimum of 2°C (35°F) and a pleasant peak of 20°C (68°F), averaging 10°C (50°F). Rainfall decreases significantly to 52 mm (2.0 in) across just 8 days, and humidity dips slightly to 84%. For more detailed information on April's weather, you can visit St Austell weather in April.
When comparing December and May weather, December is notably cooler and wetter, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 14°C (58°F) and experiencing 120 mm (4.7 in) of precipitation over 19 days. In contrast, May enjoys milder temperatures, with lows of 4°C (39°F) and highs of 22°C (72°F), along with significantly less rainfall at 77 mm (3.0 in) spread over only 12 days. Additionally, December has a higher humidity level of 89%, while May's humidity is relatively lower at 80%. For more detailed information about the weather in May, you can visit St Austell weather in May.
December and June present contrasting weather patterns. In December, temperatures range from a chilly 1°C (35°F) to a mild 14°C (58°F), with an average of around 9°C (48°F). The month experiences considerable precipitation, totaling 120 mm (4.7 in) over 19 rainy days, coupled with high humidity levels at 89%. In stark contrast, June boasts warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 26°C (80°F), averaging 15°C (59°F). Rainfall decreases significantly to 85 mm (3.3 in) over just 13 days, and humidity is slightly lower at 80%. For more detailed information, visit St Austell weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly minimum of 1°C (35°F) to a mild maximum of 14°C (58°F), with an average of 9°C (48°F). This month also sees frequent rainfall, accumulating to 120 mm (4.7 in) over about 19 days, accompanied by high humidity at 89%. In contrast, July enjoys much warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching up to 26°C (79°F), averaging 17°C (63°F). Precipitation is lighter in July, totaling 75 mm (3.0 in) over just 11 days, and the humidity drops to a more comfortable 70%. For more detailed insights on July weather, you can check St Austell weather in July.
December and August present strikingly different weather patterns. In December, temperatures range from a chilly 1°C (35°F) to a mild 14°C (58°F), with an average of 9°C (48°F). This month also sees significant precipitation, averaging 120 mm (4.7 in) over 19 days and high humidity levels at 89%. In contrast, August offers a much more comfortable climate, with minimum temperatures starting at 10°C (51°F) and peaking at 24°C (75°F), averaging around 17°C (62°F). Rainfall is also less frequent, totaling 71 mm (2.8 in) across 12 days, accompanied by a lower humidity of 73%. For more detailed insights, you can refer to St Austell weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a chilly 1°C (35°F) to a mild maximum of 14°C (58°F), with an average of 9°C (48°F). The month experiences considerable precipitation, totaling 120 mm (4.7 in) over 19 days and high humidity at 89%. In contrast, September boasts warmer temperatures, with a minimum of 8°C (46°F) and a maximum that reaches 24°C (76°F), averaging 15°C (60°F). Precipitation is lighter, totaling 68 mm (2.7 in) over just 11 days, and humidity is lower at 79%. For more details, check St Austell weather in September.
In comparing the weather between December and October, we see notable differences in temperature and precipitation patterns. December experiences cooler temperatures, with average highs of 14°C (58°F) and lows dropping to 1°C (35°F), whereas October boasts milder conditions, averaging highs of 19°C (67°F) and lows around 2°C (35°F). Both months experience similar amounts of precipitation, with December receiving slightly more at 120 mm (4.7 in) over 19 days compared to October’s 118 mm (4.7 in) across 15 days. Humidity levels are consistent in both months at 89%. For a more detailed look, check out St Austell weather in October.
In comparing the weather of December and November, we see a noticeable change in temperature and precipitation patterns. December experiences slightly cooler temperatures, with an average of 9°C (48°F) compared to November's 10°C (50°F), and shows a trend towards lower maximums as well. Precipitation also increases in December, totaling 120 mm (4.7 in) over 19 rainy days, whereas November sees 98 mm (3.9 in) across 15 days. Humidity levels remain relatively high in both months, at 89% in December and 90% in November. For more detailed information about November weather, you can check St Austell weather in November.
December in St Austell brings a distinct shift in weather compared to other months, characterized by cooler temperatures and a notable increase in precipitation. With an average temperature hovering around 9°C (48°F), the month often feels chillier, especially with minimums dipping to 1°C (35°F). The air is laden with high humidity at 89%, contributing to a damp sensation prevalent throughout the month. Rainfall is frequent, with 120 mm (4.7 in) spread over approximately 19 days, marking December as one of the wettest months of the year. This blend of cool, wet weather creates a unique atmosphere, perfect for cozying up indoors or enjoying the festive spirit. For a complete overview of what to expect throughout the year, visit St Austell Climate.