Last updated: March 17, 2025
St Ives, United Kingdom, in December offers a mix of cool temperatures and frequent rainfall, creating a quintessential winter atmosphere. With maximum temperatures reaching 14°C (57°F) and an average of 10°C (50°F), the weather can be brisk yet invigorating. Visitors can expect minimum temperatures dropping to 4°C (39°F), while the region experiences 138 mm (5.4 in) of precipitation over 22 days, making it one of the wetter months. The humidity hangs around a notable 80%, contributing to the coastal charm and the grey skies often seen during this time of year.
In December, St Ives experiences a gentle transition into winter, with temperatures ranging from a mild 4°C (39°F) at night to a daytime average of 10°C (50°F). This month marks a notable dip from the warmer autumn months, yet it remains relatively mild compared to earlier winter highs. The temperatures peak at around 14°C (57°F), making December a comfortable time to explore the charming coastal town. As the year draws to a close, locals and visitors alike can enjoy brisk, refreshing strolls along the beach, wrapped in cozy layers that reflect the subtle chill in the air. The overarching trend throughout December indicates a steady cooling, yet the temperatures remain inviting for outdoor activities and seasonal festivities.
In December, St Ives experiences a notable uptick in precipitation, with 138 mm (5.4 in) falling over the course of the month. This increase represents a significant spike compared to the earlier months, reflecting the region's shift into winter. With 22 days of rain, December not only surpasses its monthly average but also leads the year in both total rainfall and rainy days, indicating a wet conclusion to the year. This trend showcases the typical winter pattern for St Ives, where residents and visitors alike should prepare for decidedly damp weather as they embrace the festive season.
As December unfolds in St Ives, the humidity begins to show a slight decline, averaging around 80%. This marks a subtle shift from the wetter months earlier in the year, when humidity peaks reached 87% in July and hovered between 84% and 86% through late spring and summer. Interestingly, December's levels represent a gentle dip, aligning closely with November's 82%. Overall, the trend indicates a notable seasonal shift, as the coastal town transitions from the high humidity typical of the warmer months to a more comfortable, albeit still humid, winter atmosphere.
In December, St Ives experiences its lowest UV Index at 1, reflecting a low exposure category and a burn time of 45 minutes. This marks a contrast to the summer months, where the UV Index soared to 9 in June, indicating very high exposure and significantly reduced burn time. As the seasons shift from the bright and sunny summer days, which can be quite intense, to the cooler winter months, the UV levels steadily decrease. Observing these trends emphasizes the importance of adapting sun protection measures according to the time of year. For more detailed insights on UV levels throughout the year, visit St Ives UV Index.
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In St Ives, December offers a charming blend of seasonal ambiance and sunshine, with the month receiving 119 hours of daylight. While this may seem modest compared to the 427 hours enjoyed during the peak of July, it still contributes to the town’s enchanting winter atmosphere. The trend reveals a gradual decline in sunlight as the year progresses, starting from a vibrant 411 hours in May and tapering off to just 97 hours in January. December stands as a gentle reminder of the shorter days, yet the lingering sunshine casts a warm glow, perfect for winter strolls along the stunning coastline. As the year draws to a close, the sunlight may be waning, but the allure of St Ives never dims.
In St Ives, United Kingdom, the likelihood of sunny weather in December reveals a noticeable dip, with only a 20% chance of sunshine this month. This marks the lowest probability of sun compared to the rest of the year, following a trend of declining sun chances from November's 21%. As the year progresses, the chances of sunny days typically rise from winter into spring, peaking at 50% in April before gradually decreasing again. Thus, December's brief sunlight becomes a stark reminder of the colder season's grip, making any glimpses of sunshine all the more cherished.
As December unfolds in St Ives, the daylight hours dwindle, mirroring the season’s chill. With only 8 hours of daylight, the days are notably shorter than the brighter months preceding them. Following a gradual increase from 8 hours in January to a peak of 16 hours in June, the sunlight begins to retreat in the latter half of the year, slipping to 14 hours in August and then further decreasing to 9 hours in November before reaching its nadir in December. This trend underscores the rhythm of the seasons, as the community embraces cozy evenings and festive gatherings, making the most of the limited daylight as it gradually returns in the new year.
As December rolls into St Ives, the gusty winds announce the arrival of winter with an average wind speed of 8.0 m/s (18 mph), making it one of the breeziest months of the year. This increase is notable compared to the gentler breezes of late summer and early autumn, which hovered around 4.7 to 5.2 m/s. Following a slight decline through the warmer months, the wind speeds began to climb again in November, hinting at an energy shift towards winter's chill. December serves as a transitional period, where the winds not only invigorate the coastal scenery but also remind us of the power and dynamic nature of the maritime climate that defines St Ives during the colder season.
The weather in St Ives 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 Ives and find detailed weather information for every month.
December and January exhibit notable differences in weather conditions. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 14°C (57°F), with an average of 10°C (50°F). This month is characterized by higher precipitation levels, totaling 138 mm (5.4 in) over 22 days, coupled with a humidity of 80%. In contrast, January experiences slightly cooler temperatures, with a minimum of 2°C (35°F) and an average of 8°C (47°F). The maximum temperature in January remains similar at 14°C (58°F), but the overall precipitation decreases significantly to 78 mm (3.1 in) over just 13 days, with humidity creeping up to 81%. For more detailed information, you can check St Ives weather in January.
In December, the weather tends to be relatively mild, with average temperatures ranging from a low of 4°C (39°F) to a high of 14°C (57°F). The month is characterized by higher precipitation, amounting to 138 mm (5.4 in) over approximately 22 days, and an average humidity of 80%.
Conversely, February sees a slight dip in temperature, with minimums reaching as low as -1°C (30°F) while still maintaining a maximum of 14°C (57°F). Precipitation decreases to 92 mm (3.6 in) over 17 days, with humidity increasing slightly to 84%. Despite the cooler conditions, February can bring a refreshing change to the dampness of December. For more detailed insights, you can explore St Ives weather in February.
In December, the weather tends to be milder with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 14°C (57°F). However, it is also quite wet, with a notable 138 mm (5.4 in) of precipitation spread over 22 days, and a humidity level of 80%. In contrast, March experiences cooler temperatures, dipping to a minimum of -3°C (27°F) but reaching similar maximums of 15°C (60°F). Precipitation decreases to 87 mm (3.4 in) across 17 days, and humidity remains relatively high at 83%. For more detailed information about the March weather, you can check St Ives weather in March.
In December, the weather is generally cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 14°C (57°F). It experiences higher precipitation levels, totaling 138 mm (5.4 in) over approximately 22 days, accompanied by an 80% humidity rate. In contrast, April brings slightly milder temperatures, with a minimum of 3°C (38°F) and a maximum of 18°C (65°F). Rainfall is significantly lower in April, totaling only 48 mm (1.9 in) across 9 days, though the humidity remains comparable at 84%. For more details about the weather in April, you can visit St Ives weather in April.
In comparing the weather of December and May, it's clear that May enjoys milder conditions overall. While December sees average temperatures ranging from 4°C to 14°C (39°F to 57°F) and higher precipitation levels of 138 mm (5.4 in) over 22 days, May offers a more pleasant climate with temperatures ranging from 5°C to 21°C (42°F to 70°F) and significantly less rainfall at 64 mm (2.5 in) across just 12 days. Furthermore, May's humidity is slightly higher at 85%, compared to December's 80%, yet the warmth and reduced precipitation make it a more favorable month for outdoor activities. For a closer look at what to expect during this time, check out St Ives weather in May.
December weather is characterized by cooler temperatures, with averages around 10°C (50°F) and highs reaching only 14°C (57°F). The month also sees significant precipitation, totaling 138 mm (5.4 in) over approximately 22 days, coupled with high humidity levels of 80%. In contrast, June offers a noticeable warmth, with average temperatures of 15°C (59°F) and highs peaking at 25°C (76°F). Furthermore, it experiences less rainfall, with 82 mm (3.2 in) spread across 14 days, while humidity rises slightly to 86%. For more detailed information, check out St Ives weather in June.
In comparison to December, July experiences notably warmer temperatures, with average highs reaching 25°C (78°F) compared to December's modest maximum of 14°C (57°F). While December is characterized by cooler weather, with a minimum of 4°C (39°F) and higher humidity at 80%, July is more comfortable, featuring a minimum of 12°C (53°F) and an average humidity of 87%. Additionally, precipitation in December is higher, totaling 138 mm (5.4 in) over 22 days, whereas July sees significantly less rainfall at 65 mm (2.6 in) over just 11 days. For a more detailed look at July weather patterns, you can visit St Ives weather in July.
When comparing the weather in December and August, notable differences emerge in temperature, precipitation, and humidity. December typically experiences cooler conditions, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 14°C (57°F). In contrast, August boasts milder temperatures, with averages between 13°C (55°F) and 23°C (73°F). Additionally, December sees significantly more rainfall, with total precipitation reaching 138 mm (5.4 in) over 22 days, while August receives only 63 mm (2.5 in) spread across 13 days. Humidity levels are relatively high in both months, standing at 80% in December and slightly higher at 86% in August. For more details on August's weather conditions, check St Ives weather in August.
When comparing the weather in December and September, significant differences emerge. December tends to be cooler, with average temperatures ranging from a low of 4°C (39°F) to a high of 14°C (57°F), while September enjoys milder conditions, with temperatures ranging from 9°C (49°F) to 25°C (77°F). Additionally, December experiences more precipitation, totaling 138 mm (5.4 in) over approximately 22 days, compared to September’s 73 mm (2.9 in) over 13 days. Humidity is slightly lower in December at 80%, compared to September's 85%. For more detailed insights, check St Ives weather in September.
When comparing the weather in December to that of October, notable differences emerge. December experiences slightly cooler temperatures, with an average of 10°C (50°F) compared to October's 13°C (56°F). Additionally, while both months have similar minimum temperatures of around 4°C (39°F), October boasts a warmer maximum temperature of 19°C (67°F) compared to December's 14°C (57°F). Precipitation levels are comparable, with December receiving 138 mm (5.4 in) over 22 days, while October has 129 mm (5.1 in) over 16 days. Interestingly, humidity levels are also quite high in both months, with December at 80% and October slightly higher at 85%. For more detailed insights into October weather, you can visit St Ives weather in October.
In comparing the weather of December and November, both months experience relatively mild temperatures, with December showing a slight decrease in average temperatures. December's average temperature is 10°C (50°F), with a maximum of 14°C (57°F) and a minimum of 4°C (39°F), while November is slightly warmer, averaging 11°C (51°F), peaking at 16°C (61°F). Interestingly, December has higher precipitation at 138 mm (5.4 in) over 22 days, compared to November's 113 mm (4.4 in) over 20 days. Humidity levels remain similar, with December at 80% and November at 82%. For more detailed insights on November's weather, you can visit St Ives weather in November.
As December settles over St Ives, the weather takes on a distinct character compared to other months. With temperatures averaging around 10°C (50°F), it brings a chill that invites cozy layers and warm drinks. This month sees heightened precipitation, often manifesting as rain on 22 days, which, combined with a humidity level of 80%, creates a notably damp atmosphere. While the fresh coastal air invigorates, the frequent showers remind residents and visitors alike that winter is in full swing. To learn more about how December's weather fits into the broader climate of St Ives, check out St Ives Climate.