January Weather in Nantes, France

Last updated: February 26, 2025

January in Nantes, France showcases a cold yet intriguing winter climate, where temperatures typically peak at a mild 16°C (61°F), while averaging around 6°C (43°F). The month can dip to a chilling -7°C (20°F), reminding residents of the winter chill. Precipitation is a notable feature, with about 50 mm (2.0 in) falling over 9 days, contributing to the city's lush landscape. The air retains a high humidity level of 88%, creating a damp atmosphere that enhances the winter charm. Whether exploring the vibrant streets or cozying up indoors, January in Nantes offers a unique blend of brisk weather and cultural allure.

January Temperature in Nantes

In Nantes, France, January presents a captivating winter landscape marked by a sharp temperature range. The month begins with minimums dipping as low as -7°C (20°F), creating a frosty chill that engages the senses. However, as the month progresses, the average temperature steadily rises to around 6°C (43°F), providing a more temperate backdrop for exploring this charming city. Though daytime highs can reach a pleasant 16°C (61°F), nights remain cold, often requiring warm layers. Transitioning into February, the trend continues with slightly higher averages and maximums, foreshadowing a gradual shift towards the milder conditions of spring. This blend of chilly mornings and brisk afternoons encapsulates the heart of winter in Nantes, inviting both locals and visitors to embrace the season's unique charm.

January Weather in Nantes: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Nantes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434548535965686763564846
Data source: Temperature data for Nantes 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.

January Precipitation in Nantes

January in Nantes, France, sees an average precipitation of 50 mm (2.0 in) over approximately 9 days, marking the month as relatively damp yet manageable. As winter deepens, the rainfall transitions into heavier showers in the following months, notably peaking in December with 107 mm (4.2 in). Interestingly, the pattern suggests that as the year progresses, precipitation generally increases, with June and October sharing the highest monthly totals of 84 mm (3.3 in), hinting at the arrival of spring and fall’s characteristic rains. Overall, the steady winter rains taper off during the warmer months, with July and August experiencing the driest conditions at 36 mm (1.4 in) and 42 mm (1.7 in) respectively, creating a sense of balance in Nantes' climate.

January Precipitation Trends in Nantes

The chart displays monthly precipitation patterns in Nantes, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5166715164843642458379107
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Nantes

In January, Nantes, France experiences a peak in humidity at 88%, setting the tone for a winter that remains consistently damp. This level of humidity gradually decreases in February to 87%, hinting at the slightest shift as spring approaches. However, as we move into March and April, humidity levels remain relatively stable, hovering around 84% and 83%, creating a chilly yet humid atmosphere. By May, a slight decline to 81% begins, signaling the onset of warmer, albeit still moist, months ahead. The trend continues as summer rolls in, with June and July enjoying noticeably lower humidity levels of 75% and 65%, respectively, offering a welcome respite. Yet, as autumn returns, humidity climbs back up, finishing the year on a high note with 90% in December. This cycle highlights how Nantes’ humid climate transitions from the depths of winter through the warmth of summer and back again, with moisture levels reflecting the city’s dynamic seasonal changes.

January Average Humidity in Nantes

This chart illustrates the average monthly humidity levels in Nantes, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%84%83%81%75%65%67%75%85%88%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Nantes

In January, Nantes experiences a low UV Index of 2, allowing for safe outdoor activities with a burn time of approximately 45 minutes. This marks the start of a gradual increase in sun intensity, as the city transitions into spring. By February, the UV Index rises to 3, shifting to a moderate category, meaning residents should start to consider sun protection during prolonged exposure. The trend continues in March with a UV Index of 5, reflecting the strengthening sun as April approaches with a high of 6. As spring turns into summer, the UV levels soar to 8 and 9 from May to August, highlighting the need for increased vigilance against sunburn, as burn times decrease significantly to just 15 minutes in the peak months. This progression illustrates the necessity of adapting sun safety practices throughout the year; for more details, check Nantes UV Index.

Maximum UV Index Levels in Nantes for January

The chart shows the monthly maximum UV Index (UVI) for Nantes in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Nantes January 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.

January Sunshine in Nantes

As January dawns in Nantes, France, residents can expect 139 hours of sunlight, a modest start to the year. However, the days gradually brighten with February's increase to 208 hours, hinting at the arrival of spring. By March, the sun shines even more, bringing 291 hours, which sets the stage for the longer, warmer days ahead. The trend continues upward through April and May, with daylight peaking at an impressive 394 hours in May, just before summer settles in. June maintains this vibrant energy, boasting 398 hours, and July reaches a sun-kissed 418 hours, the peak of the year. As summer wanes into August and September, the sunlight begins to taper off but still offers a generous 395 and 331 hours, respectively. The year rounds out with shorter days in October (274 hours) and the cooler months of November (227 hours) and December (193 hours), reminding us that after the warmth of summer, winter's embrace beckons once more. Overall, Nantes experiences a clear trajectory of increasing sunlight, characterized by an inviting crescendo that culminates in the long, leisurely days of summer.

Monthly Sunshine Duration in Nantes: January Highlighted

The January sunshine duration represents the total number of hours Nantes experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec139h208h291h350h394h398h418h395h331h274h227h193h
Data source: Nantes January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nantes During January

In Nantes, France, January marks the beginning of the year with a relatively low 19% chance of sunny weather. This figure sets the tone for early winter, where overcast skies are more common. As the months progress, there is a noticeable upward trend in sunshine likelihood, with February climbing to 29%. The arrival of spring in March brings a significant leap to 47%, further enhancing the prospects of brighter days. By April, 58% of the month is likely to be sunny, indicating a welcoming transition into the warmer seasons. This pattern persists, peaking in spring before gradually stabilizing around 40-46% throughout the summer and early fall, suggesting that while January may be dreary, the promise of more sunshine is just around the corner.

Percentage of Sunny Days in January in Nantes

The chart illustrates the percentage of sunny days in Nantes throughout the year, with January 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 Nantes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%29%47%58%35%40%42%44%46%46%40%30%
Data source: Nantes January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nantes in January

In Nantes, France, the transition from winter to spring brings a noticeable increase in daylight, dramatically shifting from 8 hours in January to an invigorating 11 hours by March. This upward trend continues into the depths of spring and early summer, with daylight peaking at 15 hours from May through July. As summer gives way to autumn, daylight gradually recedes, tapering to 12 hours in September before dropping to 10 hours in October and further dwindling to 8 hours by December. This rhythmic dance of daylight not only marks the changing seasons but also invites residents to embrace the vibrant outdoors during the sun-drenched months.

Average Daylight Hours in Nantes for January

The chart illustrates the variation in daylight duration in Nantes throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 17m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Nantes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Nantes

In January, Nantes experiences a gentle breeze with an average wind speed of 4.1 m/s (9 mph), setting the stage for a month where the winds begin to shift as the climate transitions towards spring. This moderate wind speed is slightly lower than the following month, February, which picks up to 4.7 m/s (10 mph), indicating a pattern where the early weeks of the year maintain a relatively calm atmosphere before the winds gain strength. As spring approaches, March sees a decrease to 3.9 m/s (9 mph), followed by a slight rise in April to 4.0 m/s (9 mph), showcasing the fluctuating nature of Nantes' wind patterns. Interestingly, the warm summer months of June through August bring a notable reduction in wind speeds, plummeting to lows of 2.8 m/s (6 mph) in June, only to gradually increase again in the fall. This rhythmic dance of the wind reflects the city’s vibrant climate, where gentle breezes in January lay the groundwork for the dynamic weather changes that characterize the rest of the year.

Average January Wind Speed in Nantes

The chart displays monthly wind speed patterns in Nantes, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.1 m/s4.73.94.04.62.83.83.73.33.73.44.6
Data source: Nantes January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Nantes Compares to Other Months

The weather in Nantes changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Nantes and find detailed weather information for every month.

January and February both showcase chilly winter temperatures, but February tends to be slightly milder. In January, temperatures range from a minimum of -7°C (20°F) to a maximum of 16°C (61°F), with an average of 6°C (43°F). The month experiences 50 mm (2.0 in) of precipitation over 9 days and maintains a high humidity level of 88%. In contrast, February offers a minimum temperature of -6°C (21°F) and can reach up to 22°C (71°F), with an average temperature of 7°C (46°F). Precipitation increases to 66 mm (2.6 in) over 13 days, with a slightly lower humidity of 87%. For more detailed insights, check out Nantes weather in February.

In comparing the weather between January and March, we observe some notable differences. January features a minimum temperature of -7°C (20°F) and an average of 6°C (43°F), while March sees a slightly cooler minimum of -8°C (19°F) but a warmer average of 9°C (49°F). The maximum temperatures in March can reach up to 24°C (76°F), significantly higher than January's max of 16°C (61°F). Precipitation is also higher in March, with 71 mm (2.8 in) falling over 13 days compared to January's 50 mm (2.0 in) over 9 days. Despite this, March maintains a slightly lower humidity level at 84%, compared to January's 88%. For more details on March's weather, you can visit Nantes weather in March.

In January, temperatures in Nantes range from a chilly -7°C (20°F) at the minimum to a mild 16°C (61°F) at the maximum, with an average of 6°C (43°F). The month sees approximately 50 mm (2.0 in) of precipitation over nine days, with humidity levels quite high at 88%. Conversely, April brings more moderate temperatures, with a minimum of -3°C (27°F), an average of 12°C (53°F), and a maximum reaching 27°C (80°F). This month also experiences similar precipitation at 51 mm (2.0 in) but over just eight days, while humidity decreases slightly to 83%. For a closer look at typical conditions, check out Nantes weather in April.

In January, the weather is much colder, with temperatures ranging from a frigid -7°C (20°F) to a mild maximum of 16°C (61°F), average around 6°C (43°F). This month experiences about 50 mm (2.0 in) of precipitation over 9 days, coupled with high humidity levels at 88%. In contrast, May brings a significant warming trend, where temperatures range from a minimum of 1°C (34°F) to a comfortable maximum of 31°C (88°F), with an average of 15°C (59°F). Although May sees slightly more precipitation at 64 mm (2.5 in) over 11 days, the humidity is lower at 81%. For a detailed look at weather patterns during this time, check out Nantes weather in May.

In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 16°C (61°F), averaging around 6°C (43°F). The month experiences a high level of humidity at 88% and sees about 50 mm (2.0 in) of precipitation over approximately nine days. In contrast, June brings a much warmer climate, with temperatures starting at a minimum of 6°C (44°F) and climbing to a scorching maximum of 37°C (98°F), averaging 18°C (65°F). Although June has slightly more precipitation, at 84 mm (3.3 in) over 11 days, the humidity drops to 75%. To learn more about the weather specifics in June, you can visit Nantes weather in June.

January and July present contrasting weather patterns in Nantes. In January, temperatures can dip as low as -7°C (20°F) but typically average around 6°C (43°F), with a maximum of 16°C (61°F). The month is characterized by high humidity at 88% and about 50 mm (2.0 in) of precipitation spread over 9 days. In contrast, July boasts warmer conditions with temperatures ranging from a minimum of 9°C (48°F) to an average of 20°C (69°F), reaching highs of 38°C (100°F). Precipitation is significantly lower in July, at 36 mm (1.4 in) over just 7 days, and humidity drops to 65%. For more details on the warm and lively July weather, check out Nantes weather in July.

January and August in Nantes showcase a stark contrast in weather conditions. January experiences cooler temperatures, with lows reaching -7°C (20°F) and an average of 6°C (43°F), while August boasts a more pleasant climate, featuring a minimum temperature of 8°C (47°F) and an average of 19°C (67°F). Precipitation is slightly higher in January at 50 mm (2.0 in) over 9 days, compared to August's 42 mm (1.7 in) over just 7 days. Additionally, January's humidity lingers at a high 88%, while August presents a more comfortable 67%. For more insights on the conditions during this summer month, check Nantes weather in August.

January and September present contrasting weather conditions. In January, temperatures can drop to a chilly minimum of -7°C (20°F), with an average of 6°C (43°F) and a maximum reaching only 16°C (61°F). This winter month also brings about significant humidity at 88% and experiences about 50 mm (2.0 in) of precipitation over 9 days. In stark contrast, September exhibits a much milder climate, with minimum temperatures around 5°C (41°F) and an average of 17°C (63°F), peaking at a warm 34°C (93°F). Precipitation in September is slightly lower at 45 mm (1.8 in) over 8 days, accompanied by a more comfortable humidity level of 75%. For more detailed information, check Nantes weather in September.

In January, the weather is chilly, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 16°C (61°F) and an average of 6°C (43°F). The month sees around 50 mm (2.0 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 88%. In contrast, October offers milder temperatures, with a minimum of 2°C (35°F) and a maximum reaching 26°C (79°F), averaging around 13°C (56°F). However, October experiences more precipitation, totaling 83 mm (3.3 in) across about 11 days, while humidity remains relatively high at 85%. For more specific details, you can check the Nantes weather in October.

In January, temperatures tend to be cooler with a minimum of -7°C (20°F) and an average of 6°C (43°F), while November experiences milder conditions, with a minimum of -3°C (26°F) and an average of 9°C (48°F). Precipitation is slightly greater in November, totaling 79 mm (3.1 in) over 11 days compared to January's 50 mm (2.0 in) over 9 days. Both months share a high humidity level of 88%, but November's overall weather feels more temperate, making it a more pleasant month in comparison. For more details, you can check out Nantes weather in November.

In comparing the weather between January and December, January typically experiences colder temperatures, with a minimum of -7°C (20°F) compared to December's minimum of -3°C (27°F). The average temperature in January is slightly lower at 6°C (43°F), while December averages around 8°C (46°F). Additionally, January sees less precipitation with 50 mm (2.0 in) over 9 days, compared to December's heavier rainfall of 107 mm (4.2 in) across 15 days. Both months feature high humidity levels, with January at 88% and December at 90%. For more detailed information about December weather, you can visit Nantes weather in December.

Compare Nantes's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Nantes

January in Nantes presents a unique climate experience, setting itself apart from other months with its chilly temperatures and high humidity levels. As the coldest month of the year, it contrasts sharply with the milder spring and summer seasons, offering maximums of just 16°C and average lows that can dip to -7°C. With approximately 50 mm of precipitation over about 9 days, January's dampness adds to the brisk atmosphere, making warm indoor settings particularly inviting. While this month invites bundling up and cozying up by the fire, the abundant moisture and crisp air can also create a serene winter landscape. To learn more about how Nantes' climate evolves throughout the year, visit Nantes Climate.