December Weather in Falmouth, United Kingdom

Last updated: March 17, 2025

In Falmouth, United Kingdom, December presents a cool maritime climate characterized by a maximum temperature of 14°C (58°F) and an average of 9°C (48°F), dipping to a minimum of 0°C (33°F). This month is marked by high humidity levels at 80%, creating a damp atmosphere, especially with precipitation totaling 102 mm (4.0 in) across approximately 17 days. Such weather conditions make December an ideal time for cozy indoors, while the occasional rainfall adds a touch of seasonal charm to the coastal town.

December Temperature in Falmouth

In December, Falmouth experiences cool temperatures that mark the transition into winter, with minimums hovering around 0°C (33°F) and averages settling at 9°C (48°F). The month offers a gentle chill, as daily highs reach up to 14°C (58°F), providing a relatively mild environment compared to the colder months that follow. This slight warming trend towards the end of the year contrasts with the often harsher conditions earlier in the season, making December a time for cozy gatherings and festive celebrations amidst the refreshing coastal air. As the year concludes, the temperatures reflect a steady decline, yet remain moderately pleasant, inviting residents and visitors alike to embrace the charm of Falmouth’s winter ambiance.

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

The chart illustrates December temperature patterns in Falmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454647505460636259545048
Data source: Temperature data for Falmouth 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 Falmouth

December in Falmouth marks a significant increase in precipitation, matching October's total with 102 mm (4.0 in), indicating a trend of wetter winters. This month also sees the most rainy days of the year, with 17 days of precipitation, highlighting the shift into the cold, damp season. As the year draws to a close, the levels of rainfall serve not only to refresh the local landscape but also emphasize the transition from autumn’s moderate rains to the more persistent downpours of winter. While the rain can be frequent, it brings a rich vibrancy to Falmouth’s coastal beauty, reminding residents and visitors alike of the area's lush greenery and dramatic skies.

December Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59767949678368596010283102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Falmouth

In December, Falmouth experiences a notable dip in humidity at 80%, marking the most significant decrease of the year. This decline follows a consistent trend of elevated humidity levels throughout the late spring and summer months, where values peaked at 87% in July. As autumn progresses, humidity begins to recede slightly, culminating in December's levels that align more closely with January's 81%. This pattern suggests a seasonal ebb and flow in humidity, reflecting Falmouth's coastal climate while providing a brief reprieve from the higher moisture levels experienced earlier in the year.

December Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, 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 Falmouth

As December rolls into Falmouth, the UV Index dips to a low 1, indicating minimal sun exposure risk with a burn time of 45 minutes. This trend of decreasing UV levels begins in late autumn, following the peak summer months when indices soared to very high levels of 9 in June and 8 in July. As the seasons change, the UV Index generally drops, with only a few months, like March and April, showing moderate to high exposure risks. Such fluctuations emphasize the importance of staying informed about the UV Index throughout the year, even in the winter months. For more detailed information on the UV Index in your area, visit Falmouth UV Index.

Maximum UV Index Levels in Falmouth for December

The chart shows the monthly maximum UV Index (UVI) for Falmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Falmouth 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 Falmouth

In Falmouth, United Kingdom, the December sunshine paints a tranquil picture, with the month receiving a modest 119 hours of sunshine. This figure, while an uplift from the depths of winter, reflects a steady decline from the vibrant rays of summer, where July shines brightest with 427 hours. As the year progresses, sunshine hours rise gradually from the crispness of January's 96 hours, peaking in May and June with 410 and 409 hours respectively. However, as autumn settles in, the days become shorter and drearier, leading to November's 154 hours and December's gentle retreat. Despite the gloominess of winter, December's sunshine invites moments of warmth as the year draws to a close, a reminder that brighter days are always just around the corner.

Monthly Sunshine Duration in Falmouth: December Highlighted

The December sunshine duration represents the total number of hours Falmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h159h238h355h410h409h427h391h329h261h154h119h
Data source: Falmouth December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Falmouth During December

In Falmouth, December tends to be one of the cloudiest months, with a meager 18% chance of sunny weather. This marks a significant decline compared to earlier months, showing a clear trend toward less sunshine as the year winds down. Following the generously brighter April, where sunshine chances peak at 51%, the likelihood drops steadily, hitting its lowest point in December. This pattern of diminishing sunlight emphasizes the transition into winter, encouraging residents and visitors alike to brace for more overcast days during this festive season.

Percentage of Sunny Days in December in Falmouth

The chart illustrates the percentage of sunny days in Falmouth 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 Falmouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%24%32%51%35%27%37%28%31%27%22%18%
Data source: Falmouth December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Falmouth in December

As the winter solstice approaches, Falmouth, United Kingdom, experiences a significant drop in daylight hours, culminating in December, when the sun graces the sky for only 8 hours each day. Following a gradual increase from the deep winter months, where November sees 9 hours of daylight, December marks a return to shorter days reminiscent of January. From the light-filled days of June and May, basking in up to 16 and 15 hours of daylight respectively, the trend illustrates a steady decline as the year wanes. Despite the chill and the diminishing sunlight, the cozy ambiance of December invites a sense of warmth and introspection during those fleeting hours of daylight.

Average Daylight Hours in Falmouth for December

The chart illustrates the variation in daylight duration in Falmouth throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 49m15h 27m16h 18m15h 51m14h 22m12h 33m10h 40m9h8h 6m
Data source: Falmouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Falmouth

In December, Falmouth experiences a notable upswing in wind speed, averaging 6.4 m/s (14 mph), which is one of the highest readings for the year. This month stands out as a transition from the relatively calmer gusts of summer and early autumn, where wind speeds dipped below 5 m/s. Following a peak in February, where the winds reach 6.6 m/s, December’s breezy conditions signal the arrival of winter’s chill. As the year closes, the wind’s invigorating presence not only enhances the coastal landscape but also prepares the seascape for the stormier months ahead, establishing a rhythm in Falmouth's annual climatic dance.

Average December Wind Speed in Falmouth

The chart displays monthly wind speed patterns in Falmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.26.65.34.35.53.84.24.34.05.14.46.4 m/s
Data source: Falmouth December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Falmouth Compares to Other Months

The weather in Falmouth 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 Falmouth and find detailed weather information for every month.

December and January in Falmouth exhibit some notable differences in weather patterns. December typically sees a milder average temperature of 9°C (48°F), with a minimum of 0°C (33°F) and a maximum of 14°C (58°F). The month is marked by significant precipitation, totaling 102 mm (4.0 in) over 17 days, and humidity levels around 80%. In contrast, January is slightly cooler, with an average temperature of 7°C (45°F), a minimum of -2°C (29°F), while the maximum remains the same at 14°C (58°F). Precipitation decreases to 59 mm (2.3 in) spread over 11 days, and humidity rises marginally to 81%. For a detailed look at January weather, visit Falmouth weather in January.

December and February showcase notable differences in weather patterns. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), with an average of 9°C (48°F). The month experiences heavier precipitation, totaling 102 mm (4.0 in) across 17 days, while humidity levels sit at around 80%. In contrast, February sees slightly cooler temperatures, with a minimum of -3°C (26°F), an average of 8°C (46°F), and a maximum of 15°C (60°F). Precipitation decreases to 75 mm (3.0 in) over 14 days, with humidity rising slightly to 84%. For detailed insights, check out Falmouth weather in February.

December and March present quite distinct weather experiences, highlighting the transition from winter to spring. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), with an average of 9°C (48°F). The month is marked by higher precipitation, averaging 102 mm (4.0 in) over approximately 17 days, and humidity levels hover around 80%.

In contrast, March features lower minimum temperatures, dipping to -5°C (24°F), but it can peak at a more pleasant 17°C (64°F) with an average of 8°C (47°F). Precipitation decreases to 79 mm (3.1 in) over 15 days, and humidity also rises slightly, reaching 83%. The overall feel is of an advancing spring, making March a more variable but often milder month compared to the chill of December. For more details, check Falmouth weather in March.

In December, temperatures range from a chilly 0°C (33°F) to a mild 14°C (58°F), with an average of 9°C (48°F). The month sees considerable precipitation, totaling 102 mm (4.0 in) over 17 days, contributing to a humidity level of 80%. In contrast, April experiences a slight increase in average temperature to 10°C (50°F), with highs reaching up to 22°C (72°F). Precipitation drops significantly to 49 mm (1.9 in) across just 8 days, while humidity remains relatively high at 84%. This shift in weather highlights April's more temperate and drier conditions compared to the wetter and cooler December. For more insights, check out Falmouth weather in April.

When comparing the weather in December and May, significant differences emerge. December typically sees colder temperatures, with a minimum of 0°C (33°F) and an average of 9°C (48°F), peaking at 14°C (58°F). In contrast, May boasts warmer conditions, starting from a minimum of 2°C (36°F) and averaging 12°C (55°F), with highs reaching 25°C (77°F). Additionally, December is wetter, with 102 mm (4.0 in) of precipitation over 17 days, compared to May's 67 mm (2.6 in) across 12 days. The humidity is slightly higher in May at 85%, compared to December's 80%. For a detailed look at the climate, check out Falmouth weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a chilly 0°C (33°F) to a mild 14°C (58°F), with an average of 9°C (48°F). The month experiences significant precipitation, totaling 102 mm (4.0 in) over 17 days, alongside relatively high humidity at 80%. In contrast, June boasts warmer temperatures, with a minimum of 7°C (45°F), an average of 15°C (60°F), and a maximum of 30°C (86°F). Although June sees slightly lower precipitation at 83 mm (3.3 in) over 13 days, humidity rises to 86%. For a detailed look at what to expect, you can refer to Falmouth weather in June.

December and July present stark contrasts in weather. In December, temperatures typically range from a chilly minimum of 0°C (33°F) to a mild maximum of 14°C (58°F), with an average of 9°C (48°F). The month also sees considerable rainfall, accumulating 102 mm (4.0 in) over 17 days, accompanied by high humidity at 80%. In contrast, July boasts much warmer temperatures with a minimum of 9°C (49°F) and a maximum of 28°C (83°F), averaging around 17°C (63°F). Precipitation during July is lighter, totaling 68 mm (2.7 in) across 11 days, and the humidity increases slightly to 87%. For more specifics on July weather, check out Falmouth weather in July.

December and August present quite a contrast in weather conditions. In December, the temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 14°C (58°F), averaging around 9°C (48°F). This month is characterized by higher precipitation levels, totaling 102 mm (4.0 in) over 17 days, and a humidity level of 80%. In stark contrast, August enjoys milder weather with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), averaging 17°C (62°F). Precipitation is lower, at 59 mm (2.3 in) over 13 days, and humidity is slightly higher at 86%. For a detailed look at the summer weather, check out Falmouth weather in August.

In comparing the weather between December and September, it’s clear that September is considerably milder, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 27°C (81°F). In contrast, December experiences chillier temperatures, averaging 9°C (48°F) and peaking at just 14°C (58°F), with a minimum dropping to 0°C (33°F). While December sees more precipitation overall, with 102 mm (4.0 in) and rain on 17 days, September is relatively drier, receiving 60 mm (2.3 in) across 10 days. Additionally, humidity levels are slightly higher in September at 85%, compared to the 80% in December. For a more detailed look at the weather specifics during September, check out Falmouth weather in September.

In comparing the weather of December and October, we notice some interesting differences despite their similar levels of precipitation. October typically experiences slightly warmer temperatures, with averages of 12°C (55°F) and maximums reaching 20°C (68°F), contrasted with December's cooler averages of 9°C (48°F) and maximums of 14°C (58°F). Both months have equal precipitation at 102 mm (4.0 in), but December sees a bit more rainy days, totaling 17, compared to October's 13 days. Humidity also varies slightly, with October being a bit more humid at 85% compared to December's 80%. For a more detailed look, check out Falmouth weather in October.

In comparing the weather of December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), while November sees temperatures from 1°C (34°F) to 16°C (61°F). Additionally, December experiences more precipitation, totaling 102 mm (4.0 in) over 17 days, compared to November's 83 mm (3.3 in) across 14 days. Humidity levels remain comparable, slightly higher in December at 80% versus 82% in November. For a more detailed look at November's weather, you can visit Falmouth weather in November.

Compare Falmouth's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Falmouth

As December unfolds in Falmouth, the weather takes on a distinct character compared to the rest of the year. With average temperatures hovering around a crisp 9°C (48°F), this month signals a transition into the cooler season, often accompanied by chilly nights that can dip to a frosty 0°C (33°F). Precipitation becomes more frequent, with an average of 17 rainy days contributing to a total of 102 mm (4.0 in), creating a damp but cozy atmosphere. The humidity stays at a steady 80%, enhancing the chilly air that blankets the town. For those interested in the nuances of weather patterns in Falmouth, the detailed insights and statistics can be explored further here: Falmouth Climate.