December Weather in Rochester, United Kingdom

Last updated: March 17, 2025

In December, Rochester, United Kingdom experiences a chill as temperatures fluctuate from a maximum of 14°C (58°F) to a minimum of -2°C (29°F), with an average temperature resting at 7°C (44°F). The month is characterized by notable precipitation, totaling 85 mm (3.3 in) across 13 days, contributing to a high humidity level of 92%. This weather creates a damp and crisp atmosphere, perfect for cozy indoor activities or braving the elements for seasonal festivities.

December Temperature in Rochester

In Rochester, United Kingdom, December brings a notable dip in temperatures as winter firmly sets in. The month typically records a minimum of -2°C (29°F), hinting at the chill that accompanies the festive season. The average temperature hovers around 7°C (44°F), offering a brisk, yet bearable climate for holiday activities. On the brighter side, daytime highs can reach up to 14°C (58°F), allowing for moments of winter sunshine. Compared to the preceding months, December showcases a gradual decline in warmth, reflecting the transition into colder conditions, inviting residents and visitors alike to embrace cozy layers and warm drinks as the year draws to a close.

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

The chart illustrates December temperature patterns in Rochester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656460544744
Data source: Temperature data for Rochester 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 Rochester

December in Rochester, United Kingdom, stands out as a notably wet month, with precipitation reaching 85 mm (3.3 in), surpassing all other months of the year. This increase in rainfall is reflected in the 13 rainy days, which offer a stark contrast to the drier months like April, where only 8 days saw precipitation. Interestingly, December's rainfall is not just a surge; it also shows a gradual trend as the year progresses, with the autumn months of October and November experiencing moderate rainfall. As winter sets in, Rochester's landscape transforms under a steady blanket of moisture, making December a quintessentially damp and chilly month in this historic locale.

December Precipitation Trends in Rochester

The chart displays monthly precipitation patterns in Rochester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515250306470597246784785
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rochester

As December arrives in Rochester, United Kingdom, the city experiences a notable spike in humidity, reaching a level of 92%. This figure mirrors the high humidity of November, creating a trend of elevated moisture in the air as winter sets in. Throughout the year, humidity levels display a gradual decline from the peak winter months, starting at a significant 91% in January and dropping to 73% by August, before climbing again in the autumn months. The consistent presence of high humidity in December suggests a lingering chill, making it a prime time for cozy indoor activities as the dampness envelops the landscape, reinforcing Rochester's characteristic winter atmosphere.

December Average Humidity in Rochester

This chart illustrates the average monthly humidity levels in Rochester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rochester

As December rolls into Rochester, the UV Index drops to a low level of 1, mirroring the gentle sunlight typical of winter months. This indicates a significantly lowered risk of harm from unprotected sun exposure, with a burn time of 45 minutes before one might feel the effects. Following a summer of very high readings in June and July, the gradual decrease highlights a seasonal trend where UV exposure becomes minimal, allowing residents to enjoy outdoor activities without the constant worry of sunburn. For more detailed insights on UV levels throughout the year, be sure to check out the Rochester UV Index.

Maximum UV Index Levels in Rochester for December

The chart shows the monthly maximum UV Index (UVI) for Rochester 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Rochester 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 Rochester

In Rochester, United Kingdom, December beckons with a modest 110 hours of sunshine, a gentle contrast to the brightening skies of the preceding months. As the year wraps up, this figure represents a significant decline from the vibrant spring and summer months, peaking with 414 hours of sunshine in July. The trend reveals a gradual increase in daylight hours from January's 96 hours to the peak in May, after which a slow descent occurs as autumn sets in. December, while perhaps dimmer, still offers a flicker of light on winter days, serving as a reminder of the sun's return in the new year.

Monthly Sunshine Duration in Rochester: December Highlighted

The December sunshine duration represents the total number of hours Rochester 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h150h222h331h410h406h414h385h312h247h153h110h
Data source: Rochester December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rochester During December

In December, the likelihood of sunny weather in Rochester, United Kingdom, takes a noticeable dip, with only a 17% chance of sunshine. This marks a significant decline from the more promising spring months, such as April, where the chance of sun peaks at 48%. As the year transitions from the vibrant colors of autumn to the starkness of winter, the sun's elusive presence becomes even more apparent, especially in contrast to the preceding months like March and November, which see chances of sunshine hovering around 30%. Thus, December often wraps Rochester in overcast skies, making clear, sunny days a rare and cherished occurrence.

Percentage of Sunny Days in December in Rochester

The chart illustrates the percentage of sunny days in Rochester 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 Rochester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%24%31%48%35%28%40%29%31%26%31%17%
Data source: Rochester December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rochester in December

As December rolls into Rochester, United Kingdom, the days reach their shortest stretch, with only seven hours of daylight lighting the winter months. This dip in sunshine follows a gradual decline from the longest days of summer, where residents enjoyed up to sixteen hours in June and July. The trend of decreasing daylight is stark; from the peaks of late spring and early summer, the hours steadily diminish through autumn, hitting eight hours in November before plunging further in December. This cyclical change highlights the beautiful contrast between the vibrant, sunlit months and the tranquil, darker days of winter that invite reflection and coziness.

Average Daylight Hours in Rochester for December

The chart illustrates the variation in daylight duration in Rochester throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 25m9h 59m11h 55m13h 53m15h 37m16h 30m16h 2m14h 29m12h 34m10h 37m8h 51m7h 55m
Data source: Rochester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rochester

As December settles over Rochester, the winds pick up, mirroring the briskness of the season with an average speed of 4.6 m/s (10 mph). This refreshing gust is consistent with the month's trends, as December ties with October for the highest wind speed of the year. Throughout the colder months, the winds generally pick up, with averages in November and December notably stronger than the summer lull, where June sees a gentle whisper at just 3.2 m/s (7 mph). The transition from autumn to winter brings a noticeable shift in wind patterns, creating a dynamic backdrop for the festive season. As the temperatures drop, the invigorating December winds breathe life into Rochester, inviting residents and visitors alike to embrace the beauty of winter's chill.

Average December Wind Speed in Rochester

The chart displays monthly wind speed patterns in Rochester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.04.63.84.43.23.64.13.54.64.04.6 m/s
Data source: Rochester December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rochester Compares to Other Months

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

December and January in this region showcase a gradual transition into the heart of winter. In December, temperatures typically range from a minimum of -2°C (29°F) to a maximum of 14°C (58°F), with an average of 7°C (44°F). The month sees considerable rainfall, with precipitation amounting to 85 mm (3.3 in) over 13 days and a high humidity level of 92%. In contrast, January is slightly colder, recording minimum temperatures of -4°C (25°F) and an average of 5°C (41°F), with a consistent maximum of 14°C (58°F). Rainfall decreases to 51 mm (2.0 in) over 10 days, maintaining a humidity level of 91%. For more detailed insights about what to expect, refer to Rochester weather in January.

December and February exhibit notable differences in weather patterns. December typically sees a milder average temperature of around 7°C (44°F), with maximum temperatures reaching up to 14°C (58°F). In contrast, February averages slightly cooler at 6°C (44°F), with a maximum of 17°C (62°F), but experiences more extreme cold, as minimum temperatures can drop to -5°C (22°F). Precipitation in December is higher at 85 mm (3.3 in) over 13 days, compared to February's 52 mm (2.0 in) over 11 days, indicating that December is generally wetter. Additionally, December features higher humidity levels at 92%, while February sees a slight decrease to 89%. For more detailed insights, you can explore Rochester weather in February.

December and March present contrasting weather patterns, with December generally being cooler and wetter. In December, average temperatures range from a chilly -2°C (29°F) at night to a maximum of 14°C (58°F) during the day, accompanied by significant humidity levels at 92%. The month also sees around 85 mm (3.3 in) of precipitation over 13 days. In comparison, March offers slightly milder conditions, with temperatures dipping to a minimum of -5°C (23°F) and peaking at 20°C (69°F), all while experiencing less precipitation at 50 mm (2.0 in) across the same number of days. The humidity also decreases to 86%, making March feel somewhat fresher. For more detailed information, you can visit Rochester weather in March.

When comparing the weather in December and April, notable differences emerge. December experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 7°C (44°F), while April sees a rise in temperatures, ranging from a minimum of -1°C (31°F) to an average of 10°C (49°F) and a maximum of 24°C (76°F). Precipitation levels also differ significantly; December receives a higher amount of 85 mm (3.3 in) over 13 days, whereas April has only 30 mm (1.2 in) across 8 days. Additionally, December's humidity is slightly higher at 92%, compared to April's 85%. For more detailed insights on April weather, you can visit Rochester weather in April.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 14°C (58°F) and an average of 7°C (44°F). The month experiences considerable precipitation, totaling 85 mm (3.3 in) over approximately 13 days, along with high humidity at 92%. In contrast, May sees a much milder climate, with temperatures ranging from a minimum of 2°C (35°F) to a warm maximum of 25°C (78°F) and an average of 13°C (55°F). Precipitation in May is also lower, at 64 mm (2.5 in) over just 11 days, and humidity slightly decreases to 82%. For a closer look at May's weather patterns, visit Rochester weather in May.

In December, the weather is characterized by colder temperatures, with a minimum of -2°C (29°F) and an average of 7°C (44°F), which contrasts sharply with June’s warmer climate, where temperatures range from a minimum of 7°C (46°F) to a maximum of 30°C (87°F). December experiences higher humidity at 92%, compared to June's 81%, contributing to a chillier feel. Additionally, while December receives more precipitation over 13 days (85 mm or 3.3 in), June has slightly less rainfall over 9 days, totaling 70 mm (2.8 in). For more specific information on June weather, you can check Rochester weather in June.

In December, the weather in Rochester is characterized by chilly temperatures, with a minimum of -2°C (29°F) and an average of 7°C (44°F), peaking at 14°C (58°F). This month also experiences significant precipitation, totaling 85 mm (3.3 in) over 13 days and a high humidity level of 92%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (95°F), and an average temperature of 18°C (66°F). The month is relatively drier, with only 59 mm (2.3 in) of rain over 11 days and a lower humidity of 76%. For a detailed look at summer conditions, check out Rochester weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly -2°C (29°F) at night to a mild 14°C (58°F) during the day, with an average of 7°C (44°F). The month experiences significant precipitation, totaling 85 mm (3.3 in) over about 13 days, and a high humidity level of 92%, creating a damp and chilly atmosphere. In contrast, August boasts a much warmer climate, with temperatures starting at a minimum of 9°C (49°F) and peaking at 34°C (93°F), averaging around 18°C (65°F). With just 72 mm (2.8 in) of rain over 11 days and lower humidity at 73%, August offers a more pleasant and drier experience. For more details on August weather, you can check Rochester weather in August.

December and September present contrasting weather patterns. In December, temperatures range from a chilly -2°C (29°F) at night to a mild average of 7°C (44°F) during the day, peaking at 14°C (58°F). The month also brings significant precipitation, with 85 mm (3.3 in) spread over 13 days and a high humidity of 92%. In contrast, September enjoys milder temperatures, with nighttime lows of 4°C (40°F) and daytime averages reaching 15°C (60°F), culminating in maximums of 27°C (81°F). The month experiences less rainfall, totaling 46 mm (1.8 in) over 10 days, and a relatively lower humidity level of 80%. For a more detailed look at September's climate, visit Rochester weather in September.

In comparing the weather of December and October, December tends to be significantly colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 14°C (58°F), contrasting with October's milder temperatures that vary from a minimum of 2°C (35°F) to a maximum of 23°C (74°F). Additionally, December experiences slightly more precipitation, with 85 mm (3.3 in) over 13 days compared to October's 78 mm (3.1 in) over the same number of days. Humidity is also higher in December at 92%, compared to 89% in October. For a more detailed look at October's weather patterns, you can visit Rochester weather in October.

In comparing the weather between December and November, we find that December tends to be slightly cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 14°C (58°F), compared to November, which has a temperature range from -1°C (31°F) to 17°C (63°F). Additionally, December sees a higher level of precipitation, with 85 mm (3.3 in) falling over 13 days, whereas November has just 46 mm (1.8 in) over 10 days. Despite both months sharing the same humidity level of 92%, December's colder temperatures and increased rainfall contribute to a markedly different winter atmosphere. For a more detailed look at November weather, you can visit Rochester weather in November.

Compare Rochester's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rochester

As December unfolds in Rochester, it brings a stark contrast to the milder months of fall. With temperatures dipping significantly and a notable increase in precipitation, the month is characterized by its chilly air and frequent rainfall. The average temperature hovers around a brisk 7°C (44°F), a reminder of winter’s approach. Humidity levels peak, adding to the crispness in the air and creating a damp atmosphere that's typical for this time of year. For those looking to understand the seasonal shifts and detailed weather patterns, check out Rochester Climate for a comprehensive overview.