December Weather in Rouen, France

Last updated: February 26, 2025

In Rouen, France, December brings a distinctive chill, with average temperatures hovering around 6°C (44°F), while highs can reach 15°C (59°F) and lows dip to a frigid -4°C (26°F). This month is characterized by significant precipitation, totaling 116 mm (4.6 in) across 18 rainy days, creating a humid atmosphere with levels around 93%. Visitors can expect a blend of crisp air and frequent showers, making it an ideal time for enjoying cozy indoor activities or exploring the city's festive charm amidst the winter landscape.

December Temperature in Rouen

In December, Rouen experiences a noticeable chill as temperatures drop, with minimums hovering around -4°C (26°F) and an average of 6°C (44°F). As the year winds down, the weather maintains a balance, with maximums reaching a mild 15°C (59°F). This month marks a transition where the cold sets in more firmly compared to the preceding months, signaling the onset of winter. Compared to November's slightly warmer averages, December can feel more biting, yet the city’s charm shines through the winter haze, making it an enchanting time for visitors and locals alike.

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

The chart illustrates December temperature patterns in Rouen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346505663666560544643
Data source: Temperature data for Rouen 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 Rouen

December in Rouen, France, brings a marked increase in precipitation, with average rainfall reaching 116 mm (4.6 in) over 18 rainy days. This spike underscores a notable trend as the year draws to a close, contrasting sharply with the drier months of spring, where precipitation often dips below 40 mm. As temperatures cool, the late autumn and winter months witness a consistent uptick in rainfall, with December standing out as not only the wettest month but also one characterized by frequent showers. This pattern sets a damp yet picturesque backdrop of the holiday season, showcasing Rouen's vibrant landscape drenched in winter hues.

December Precipitation Trends in Rouen

The chart displays monthly precipitation patterns in Rouen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6469783893785274528282116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rouen

In December, Rouen, France experiences one of its most humid months, with levels reaching 93%. This slight uptick reflects a trend of increasing humidity as the year winds down, following a notable rise from the dryer summer months of 73% in July and 68% in August. As autumn unfolds, humidity progressively climbs—October sees a significant 88%, and November closes in at 92%. The cold winter air seems to hold moisture more effectively, contributing to the peak observed in December. This creates a contrast with the earlier, more temperate months, leading to a cozy but damp atmosphere that defines the season in Rouen. The consistent increase in humidity towards year-end emphasizes the region's transition into winter, enveloping the historic city in a chilly, misty embrace.

December Average Humidity in Rouen

This chart illustrates the average monthly humidity levels in Rouen, 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%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rouen

As December arrives in Rouen, France, residents can expect a low UV Index of 1, marking one of the year’s least intense periods for sun exposure. This low value means that burn times stretch to 45 minutes, allowing for leisurely outdoor activities with minimal risk of skin damage. The trend throughout the year shows a gradual increase in UV levels, peaking in the summer months, particularly in June and July with indices soaring to 9 and 8 respectively. As the year winds down, the UV Index drops back, echoing a seasonal shift towards cooler weather and lower sun exposure, making December a safe time for those enjoying the crisp air and festive atmosphere. For detailed monthly UV patterns, visit Rouen UV Index.

Maximum UV Index Levels in Rouen for December

The chart shows the monthly maximum UV Index (UVI) for Rouen 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.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Rouen 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 Rouen

In Rouen, France, December marks the transition into winter with 168 hours of sunshine, a gentle decline from the vibrant November that offers 208 hours. As autumn gives way to the colder months, daylight gradually wanes, reflecting the overall trend of diminishing sunlight as the year draws to a close. Comparing the end of the year to the earlier months, we see a peak in May with 408 hours, bridging the gap to the long, sun-drenched days of summer. From this annual highlight, sunshine begins to taper but still provides a comforting backdrop to the winter chill. As we turn the pages of the calendar towards January, we anticipate a renewed cycle, with the promise of returning daylight on the horizon.

Monthly Sunshine Duration in Rouen: December Highlighted

The December sunshine duration represents the total number of hours Rouen 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.
JanFebMarAprMayJunJulAugSepOctNovDec126h199h283h360h408h420h427h387h329h271h208h168h
Data source: Rouen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rouen During December

In Rouen, France, December sees a notable dip in the likelihood of sunny weather, with only a 21% chance of sunshine. This is part of a broader trend as the year progresses from higher sunny probabilities in spring, peaking at 56% in April, to lower chances in the winter months. The gradual decline is evident as December's figures, following 28% in November, highlight the transition into a chillier season where overcast skies become more frequent. While December may lack the cheerful sun of earlier months, it serves as a reminder of the cozy charm that winter brings to this historic city.

Percentage of Sunny Days in December in Rouen

The chart illustrates the percentage of sunny days in Rouen 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 Rouen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%27%45%56%35%30%36%34%36%35%28%21%
Data source: Rouen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rouen in December

In Rouen, France, the daylight duration exhibits a clear seasonal rhythm, with the darkest month being December, where daylight lingers for just 8 hours. This mirrors the shorter days of January, creating a cozy, wintry atmosphere. As the year progresses, daylight gradually extends, reaching a peak in June with a remarkable 16 hours of sunlight. The gradual build-up from February's 10 hours to the glorious 15 hours of May highlights the invigorating effects of spring. However, as summer fades, daylight begins to wane again, dipping back to 9 hours in November, ultimately returning to the shorter days of December. This cyclical pattern not only shapes the natural landscape but also influences the rhythms of daily life in Rouen.

Average Daylight Hours in Rouen for December

The chart illustrates the variation in daylight duration in Rouen throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 40m10h 7m11h 55m13h 46m15h 22m16h 11m15h 45m14h 19m12h 32m10h 42m9h 4m8h 12m
Data source: Rouen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rouen

As December unfolds in Rouen, France, the average wind speed reaches a brisk 4.2 m/s (9 mph), marking a noticeable increase from the calmer summer months. This late-autumn gustiness reflects a seasonal trend where wind speeds tend to rise, particularly in comparison to the summer lull of 2.7 m/s in June. After peaking during the spring months, the wind settles back into moderate territory by fall, with December's conditions providing a refreshing chill that hints at the winter to come. Such fluctuations underscore the dynamic weather patterns characteristic of Rouen, making it a place where each month brings its own unique atmospheric signature.

Average December Wind Speed in Rouen

The chart displays monthly wind speed patterns in Rouen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.54.13.44.42.73.43.53.04.03.44.2 m/s
Data source: Rouen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rouen Compares to Other Months

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

In December, temperatures range from a chilly minimum of -4°C (26°F) to a relatively mild maximum of 15°C (59°F), with an average temperature of 6°C (44°F). The month experiences considerable precipitation, totaling 116 mm (4.6 in) over 18 days, accompanied by high humidity levels around 93%. In contrast, January sees slightly colder temperatures, with minimums dipping to -7°C (20°F) and an average of 5°C (41°F), while the maximum remains the same at 15°C (59°F). Precipitation decreases to 64 mm (2.5 in) over just 11 days, and humidity is marginally lower at 91%. For more detailed information on January weather, you can visit Rouen weather in January.

December and February display notable differences in weather patterns, despite their proximity in the calendar year. In December, temperatures typically range from a chilly -4°C (26°F) at night to a mild 15°C (59°F) during the day, accompanied by significant precipitation of 116 mm (4.6 in) spread over 18 days, resulting in high humidity levels at 93%. In contrast, February sees slightly colder nights with a minimum of -7°C (20°F), but similar average daytime temperatures of 6°C (43°F) and a warmer maximum of 18°C (65°F). Precipitation decreases to 69 mm (2.7 in) over 13 days, and humidity is slightly lower at 89%. For a detailed overview of February weather, visit Rouen weather in February.

December and March present distinct differences in weather characteristics. In December, temperatures range from a chilly minimum of -4°C (26°F) to a milder average of 6°C (44°F), peaking at a maximum of 15°C (59°F). This month is also marked by higher precipitation, with about 116 mm (4.6 in) falling over 18 days, alongside a high humidity level of 93%. In contrast, March experiences slightly colder minimum temperatures of -8°C (17°F) but sees a higher average temperature of 8°C (46°F) and can reach up to 23°C (74°F) at its warmest. Precipitation decreases to 78 mm (3.1 in) spread over 15 days, with slightly lower humidity at 85%. For more detailed insights, you can check Rouen weather in March.

December and April present strikingly different weather conditions. In December, temperatures generally range from a minimum of -4°C (26°F) to a maximum of 15°C (59°F), with an average of 6°C (44°F). The month is characterized by high humidity at 93% and significant precipitation of 116 mm (4.6 in) spread over 18 days, creating a chilly and damp atmosphere. In contrast, April sees a milder climate with temperatures fluctuating from a minimum of -3°C (28°F) to a maximum of 26°C (80°F) and an average temperature of 10°C (51°F). This month enjoys considerably less rainfall, totaling just 38 mm (1.5 in) over 8 days, and a lower humidity of 84%, resulting in a more pleasant springtime feel. For a closer look at April's weather patterns, check Rouen weather in April.

In December, weather conditions can be quite chilly, with temperatures ranging from a minimum of -4°C (26°F) to an average of 6°C (44°F) and a maximum of 15°C (59°F). The month experiences high humidity at 93% and sees about 116 mm (4.6 in) of precipitation over 18 days. In contrast, May brings a significant warming trend, as temperatures rise from a minimum of 1°C (34°F) to an average of 13°C (56°F) and can reach a pleasant maximum of 27°C (82°F). The humidity drops to 82%, and precipitation decreases to 93 mm (3.6 in) over just 13 days. For more specific details about weather patterns during this month, you can check out Rouen weather in May.

December and June exhibit striking contrasts in weather patterns. In December, temperatures range from a chilly -4°C (26°F) to a mild 15°C (59°F), with an average of 6°C (44°F). The month experiences significant precipitation, accumulating 116 mm (4.6 in) over 18 days, accompanied by high humidity at 93%. In contrast, June welcomes warmer temperatures, with a minimum of 6°C (44°F) and a maximum soaring to 34°C (93°F), averaging 17°C (63°F). This month sees less rainfall, totaling 78 mm (3.1 in) over 12 days, and the humidity also drops to a comfortable 80%. For more details on the weather in June, you can check Rouen weather in June.

The weather in December contrasts sharply with July, showcasing the stark differences between winter and summer. December experiences lower temperatures, with a minimum of -4°C (26°F) and an average of 6°C (44°F), while July boasts a much warmer minimum of 8°C (47°F) and an average of 19°C (66°F). Precipitation is more frequent in December, with 116 mm (4.6 in) spread across 18 days, compared to July's lighter rain of 52 mm (2.0 in) over just 9 days. Additionally, the humidity rises in December to a high of 93%, whereas July maintains a more comfortable level at 73%. For more detailed insights into the July climate, you can explore Rouen weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a chilly -4°C (26°F) to a mild maximum of 15°C (59°F), with an average of 6°C (44°F), while August boasts much warmer conditions, with temperatures fluctuating from 7°C (44°F) to a sweltering 36°C (98°F) and an average of 18°C (65°F). Precipitation is more frequent in December, with 116 mm (4.6 in) over 18 days, compared to August's 74 mm (2.9 in) over just 11 days. Additionally, December's humidity is significantly higher at 93%, compared to a more comfortable 68% in August. For more detailed insights, check out Rouen weather in August.

December and September exhibit striking differences in weather patterns. December typically sees much colder temperatures, with minimums dropping to -4°C (26°F) and average highs around 6°C (44°F), compared to the much warmer September, where temperatures range from a minimum of 4°C (39°F) to a comfortable maximum of 30°C (87°F). Additionally, December experiences nearly double the precipitation, with 116 mm (4.6 in) over 18 days, while September has only 52 mm (2.1 in) across 10 days, resulting in a wetter, gloomier atmosphere during the final month of the year. The humidity also noticeably differs, as December reaches a high of 93%, whereas September maintains a lower humidity level of 76%. For a detailed overview of September's weather, you can check Rouen weather in September.

In comparing December and October weather, December tends to be colder with a minimum temperature of -4°C (26°F) and an average of 6°C (44°F), whereas October has milder temperatures, with a minimum of 1°C (35°F) and an average of 12°C (54°F). Rainfall is more frequent in December, averaging 116 mm (4.6 in) over 18 days, compared to October's 82 mm (3.2 in) over 13 days. Additionally, December experiences higher humidity at 93%, while October's humidity is slightly lower at 88%. For a more detailed look at October conditions, you can refer to Rouen weather in October.

December weather shows a notable drop in temperatures compared to November, with average highs of 15°C (59°F) and lows reaching -4°C (26°F) versus November's more moderate range of 18°C (65°F) high and -2°C (28°F) low. Precipitation increases significantly in December, totaling 116 mm (4.6 in) over 18 days, compared to November's 81 mm (3.2 in) during just 13 days. Humidity remains quite high in both months, but December's average of 93% slightly surpasses November's 92%. For a more detailed look at November's conditions, you can explore Rouen weather in November.

Compare Rouen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rouen

As December unfolds in Rouen, the weather takes on a markedly different character compared to the rest of the year. The chill sets in with average temperatures dipping, making it one of the colder months, while the city experiences an increase in precipitation, with rain falling on nearly two-thirds of the month. The high humidity level adds to the brisk atmosphere, creating a cozy yet crisp ambiance perfect for enjoying the festive spirit. If you're curious about how December stacks up against the other months, you can explore more detailed insights on the region's climate in our section on Rouen Climate.