January Weather in Chartres, France

Last updated: February 26, 2025

In January, Chartres, France, experiences a chill that defines its winter atmosphere. With average temperatures hovering around 4°C (40°F), the city sees a fluctuating range from a maximum of 14°C (58°F) to a brisk minimum of -9°C (17°F). Visitors should prepare for frequent rain, as 10 days of precipitation contribute to a total of 49 mm (1.9 in) for the month. The moist air results in a high humidity level of 91%, creating a unique, fog-laden beauty that envelops this historical town, making it a fascinating time to experience its tranquil charm.

January Temperature in Chartres

In January, Chartres, France, experiences a chilly embrace, with temperatures ranging from a brisk -9°C (17°F) to a moderate 14°C (58°F). The month kicks off with its coldest minimum temperatures, setting the stage for the winter season. Though the average temperature sits just above freezing at 4°C (40°F), a notable warmth can occasionally break through, hinting at the transitional nature of late winter. As January progresses, the promise of milder days lies ahead, as evidenced by the gradual rise in temperatures seen in February and March. Snowy scenery can often be found, but this cold month eventually gives way to the more temperate climates approaching spring, illustrating the beautiful contrast between the depths of winter and the anticipation of blossoming life.

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

The chart illustrates January temperature patterns in Chartres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404346515764686761544543
Data source: Temperature data for Chartres 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 Chartres

In Chartres, France, January sees an average precipitation of 49 mm (1.9 in) spread over approximately 10 days. This marks the beginning of a trend where rainfall gradually increases in the following months, peaking in December with 89 mm (3.5 in) over 16 days. As winter transitions to spring, precipitation reaches its highest in March at 71 mm (2.8 in), hinting at the growing influence of spring rains. Interestingly, despite the notable rise in February and March, January still maintains relatively moderate rainfall, positioning it as a gentle precursor to the wetter months ahead.

January Precipitation Trends in Chartres

The chart displays monthly precipitation patterns in Chartres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec495871347978395342726289
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Chartres

January in Chartres, France, ushers in a high humidity level of 91%, setting the tone for a damp winter month. As the year progresses, the trend shows a gradual decrease in humidity, dipping to 89% in February and further declining to 85% by March. This downward trend continues until mid-summer, peaking at 73% in July. The late summer months bring a slight uptick, with August recording 68% before humidity levels begin to rise again in September. As autumn unfolds, humidity experiences a steady climb, reaching 93% by December, revealing a significant contrast to the drier summer. This seasonal rhythm of moisture underscores Chartres' distinctive climate, making January one of the most humid months of the year.

January Average Humidity in Chartres

This chart illustrates the average monthly humidity levels in Chartres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Chartres

In January, Chartres, France experiences a relatively low UV Index of 2, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes. As the months progress, the UV Index begins to rise, reaching 3 in February and 5 in March, ushering in a period of moderate sun exposure advice. By April, the index jumps to 6, categorized as high, which signals that sun protection becomes increasingly necessary. This trend continues into the summer, where May and June see peak very high UV Index values of 8 and 9, respectively, reducing safe sun exposure time to a mere 15 minutes. As autumn arrives, the UV Index starts to drop back to moderate levels in October before sliding down to low levels in November and December. Overall, the UV Index in Chartres showcases a clear seasonal pattern, highlighting the importance of adapting sun protection habits throughout the year. For more details on the UV Index in Chartres, visit Chartres UV Index.

Maximum UV Index Levels in Chartres for January

The chart shows the monthly maximum UV Index (UVI) for Chartres 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Chartres 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 Chartres

In Chartres, France, the winter sun lingers minimally in January, with only 132 hours of sunshine, casting its soft light on the historic streets and stunning cathedral. As the year progresses, daylight steadily increases, with February experiencing a notable rise to 201 hours. By March, this trend continues, bringing a boost to 267 hours, and the warmth of spring begins to embrace the town. As the days lengthen, April ushers in 351 hours of sunlight, culminating in the peak of summer, where July shines bright with 409 hours. However, as the seasons transition into late summer and autumn, the sunlight gradually diminishes, with August at 380 hours, and falling further to 264 hours in October. This ebb and flow of sunshine not only enhances the charm of Chartres throughout the year but also highlights the shifting seasons that paint the landscape in varying hues of light.

Monthly Sunshine Duration in Chartres: January Highlighted

The January sunshine duration represents the total number of hours Chartres 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h201h267h351h389h402h409h380h318h264h203h165h
Data source: Chartres January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chartres During January

In Chartres, France, the likelihood of experiencing sunny weather in January stands at a modest 15%, making it one of the cloudiest months of the year. This trend reflects a gradual increase towards more sun-kissed days as the year progresses, with February seeing a rise to 26% before March significantly boosts the likelihood to 46%. The transition from winter to spring is marked by a dramatic leap, peaking at 58% in April. As the seasons progress, sunny days become more frequent, illustrating a clear upward trajectory in sunshine chances throughout the spring and summer months. Thus, while January may be dreary, a brighter outlook awaits just around the corner.

Percentage of Sunny Days in January in Chartres

The chart illustrates the percentage of sunny days in Chartres 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 Chartres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%26%46%58%34%38%36%36%44%43%28%24%
Data source: Chartres January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chartres in January

In Chartres, France, January marks the beginning of the year with a modest 8 hours of daylight, gradually increasing as winter yields to spring. By February, the light expands to 10 hours, paving the way for longer days ahead. March continues this upward trend with 11 hours, while April sees a noticeable leap to 13 hours, injecting more vibrancy into the landscape. May and June peak with up to 15 and 16 hours of daylight respectively, offering the sunniest moments of the year. As summer gives way to autumn, daylight begins to decline; July retains 15 hours, but August dips slightly to 14 hours. The descent continues into fall, where September and October feature 12 and 10 hours of daylight, before the cycle resets in November and December, returning to 9 and 8 hours. This rhythmic oscillation of light throughout the year highlights Chartres' seasonal transformation, ensuring each month holds its unique charm.

Average Daylight Hours in Chartres for January

The chart illustrates the variation in daylight duration in Chartres throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 48m10h 11m11h 55m13h 42m15h 14m16h 1m15h 36m14h 14m12h 31m10h 46m9h 11m8h 22m
Data source: Chartres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Chartres

In January, the winds in Chartres, France, blow at an average speed of 4.4 m/s (10 mph), setting a brisk tone for the year ahead. As winter transitions to spring, February sees a slight increase to 4.6 m/s, while March dips marginally to 4.3 m/s, maintaining a consistent atmosphere. The arrival of April brings calmer days with winds dropping to 3.8 m/s (9 mph), foreshadowing the gentle breezes of summer. May captures attention with a breezy peak at 4.7 m/s (11 mph), before June introduces a notable decrease to 2.8 m/s (6 mph), signaling the softer winds typical of warmer months. The summer months of July and August echo this trend, stabilizing around 3.8 m/s. As the year winds down, September experiences a further decrease to 3.1 m/s, followed by a slow resurgence in October at 4.1 m/s. November and December see winds oscillating between 3.6 m/s and 4.4 m/s, ultimately returning to the same brisk pace as January. Overall, the wind in Chartres showcases a cyclical rhythm, where seasonal shifts influence the speed and character of the breeze.

Average January Wind Speed in Chartres

The chart displays monthly wind speed patterns in Chartres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.4 m/s4.64.33.84.72.83.83.83.14.13.64.4
Data source: Chartres January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Chartres Compares to Other Months

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

January and February exhibit notable differences in weather conditions. January has a colder climate with average temperatures around 4°C (40°F) and a maximum of 14°C (58°F), while February shows a slight increase in average temperature to 6°C (43°F), peaking at 20°C (68°F). Precipitation is higher in February, measuring 58 mm (2.3 in) over 13 days compared to January's 49 mm (1.9 in) over 10 days. Humidity remains relatively high in both months, though slightly lower in February at 89% compared to January's 91%. For more detailed insights, you can check Chartres weather in February.

In January, Chartres experiences colder temperatures, with an average of 4°C (40°F) and minimums dropping to -9°C (17°F), while March brings a noticeable warmth, elevating the average to 8°C (46°F) and maximums reaching 24°C (75°F). Precipitation also varies between the two months; January sees 49 mm (1.9 in) over 10 days, whereas March has slightly more rain at 71 mm (2.8 in) across 14 days. The humidity levels remain relatively high, with January at 91% and March slightly lower at 85%. For more detailed information, you can check out Chartres weather in March.

In January, the weather is notably colder, with temperatures ranging from a frigid -9°C (17°F) to a maximum of 14°C (58°F) and an average of 4°C (40°F). The month experiences significant humidity at 91%, along with around 49 mm (1.9 in) of precipitation over 10 days. In contrast, April brings a marked warming trend, with temperatures ranging from -4°C (26°F) to a comfortable maximum of 27°C (80°F), averaging 11°C (51°F). Precipitation decreases to 34 mm (1.3 in) over just 7 days, and humidity drops to 84%, creating a more pleasant environment. For a closer look at what to expect during April, refer to Chartres weather in April.

January weather in Chartres is notably cold, with temperatures ranging from a minimum of -9°C (17°F) to a maximum of 14°C (58°F), and an average of 4°C (40°F). The month experiences high humidity at 91% and receives 49 mm (1.9 in) of precipitation over 10 days. In contrast, May brings a significant shift, with warmer temperatures ranging from -1°C (31°F) at night to a pleasant maximum of 29°C (84°F), averaging 14°C (57°F). Although May sees slightly more precipitation at 79 mm (3.1 in) over 13 days, the overall climate feels much more inviting with a lower humidity level of 82%. For a detailed overview of May weather, you can check Chartres weather in May.

In January, the weather is distinctly colder, with average temperatures hovering around 4°C (40°F) and nighttime lows dropping to -9°C (17°F). The month experiences high humidity levels at 91% and around 49 mm (1.9 in) of precipitation over roughly 10 days. In stark contrast, June brings much warmer conditions, with average temperatures rising to 18°C (65°F) and maximums reaching a comfortable 35°C (96°F). The humidity decreases to 80%, and total precipitation increases slightly to 78 mm (3.1 in) over about 12 days. For more detailed insights, you can check this link: Chartres weather in June.

January and July showcase stark contrasts in weather. In January, temperatures can dip to a chilly minimum of -9°C (17°F), with an average of 4°C (40°F) and highs reaching 14°C (58°F). The month sees frequent precipitation, averaging around 49 mm (1.9 in) over approximately 10 days, and a high humidity level of 91%. In sharp contrast, July offers a much warmer climate with minimum temperatures around 7°C (45°F), averaging 20°C (68°F) and soaring up to a scorching 40°C (105°F). Precipitation is lighter in July, totaling 39 mm (1.5 in) over about 8 days, accompanied by a more comfortable humidity level of 73%. The distinct differences in temperature and humidity between these months highlight the seasonal variations. For more detailed insights, check the Chartres weather in July.

January and August present distinctly different weather experiences. In January, temperatures can plunge to a minimum of -9°C (17°F) and generally hover around 4°C (40°F), with a maximum reach of 14°C (58°F). The month is characterized by high humidity at 91% and receives about 49 mm (1.9 in) of precipitation over approximately 10 days. In contrast, August offers a much warmer climate, with minimum temperatures at 6°C (43°F) and averages around 19°C (67°F), peaking at a scorching 37°C (98°F). Despite receiving slightly more precipitation at 53 mm (2.1 in) over 9 days, August enjoys significantly lower humidity at 68%. This seasonal shift marks a transformation from a cold, damp winter to a warm, dry summer. For more details, check out Chartres weather in August.

January and September present strikingly different weather patterns. In January, temperatures can plummet as low as -9°C (17°F) with an average of 4°C (40°F) and highs reaching only 14°C (58°F). The month sees considerable precipitation with 49 mm (1.9 in) over about 10 days, accompanied by high humidity levels of 91%. In contrast, September enjoys a much milder climate, with temperatures ranging from a minimum of 4°C (39°F) to an average of 16°C (62°F) and soaring highs up to 34°C (93°F). Precipitation is slightly less, at 42 mm (1.7 in) over 9 days, and the humidity drops to a more comfortable 76%. For more detailed insights on the weather during this month, check out Chartres weather in September.

January and October present quite contrasting weather conditions. In January, temperatures are much colder, with minimums dropping to -9°C (17°F) and an average of 4°C (40°F), while October enjoys milder temperatures ranging from a minimum of 1°C (34°F) to a pleasant average of 12°C (55°F). Additionally, October sees higher maximum temperatures, reaching up to 26°C (78°F), compared to January's max of 14°C (58°F). Precipitation is also more pronounced in October, with 72 mm (2.8 in) falling over 11 days, whereas January experiences 49 mm (1.9 in) across 10 days. Despite the difference in precipitation, October maintains slightly lower humidity at 88% compared to January's 91%. For a detailed understanding of this month's typical conditions, check out Chartres weather in October.

In January, temperatures are noticeably colder, with a minimum of -9°C (17°F) and an average of 4°C (40°F), compared to November's milder minimum of -3°C (26°F) and an average of 7°C (46°F). January also experiences a max temperature of 14°C (58°F), whereas November can reach up to 18°C (65°F). While precipitation is slightly lower in January at 49 mm (1.9 in) over about 10 days, November sees a bit more rainfall at 62 mm (2.4 in) over 12 days. Both months have high humidity, with January at 91% and November a fraction higher at 92%. For a more detailed look at the weather patterns in November, you can check Chartres weather in November.

In comparing the weather between January and December, January experiences slightly colder temperatures, with a minimum of -9°C (17°F) and an average of 4°C (40°F), compared to December's minimum of -4°C (25°F) and average of 6°C (43°F). The highest temperatures reach 14°C (58°F) in January, which is similar to December's max of 15°C (59°F). Precipitation is noticeably higher in December, with 89 mm (3.5 in) over 16 days, while January sees 49 mm (1.9 in) spread over 10 days. Additionally, both months experience high humidity, with January at 91% and December slightly higher at 93%. For more details on December weather, visit Chartres weather in December.

Compare Chartres's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Chartres

In January, the weather in Chartres presents a stark contrast to the milder months of spring and summer. With temperatures dipping to a chilly minimum of -9°C, this month is one of the coldest, making it essential for visitors to bundle up when exploring the city. The frequent precipitation, totaling 49 mm over about 10 days, adds a damp chill to the air, contributing to a high humidity level of 91%. Unlike the warmer months, January's atmosphere is often defined by a cozy, wintery charm, perfect for enjoying the city's scenic beauty while wrapped in a warm coat. For a deeper understanding of the yearly climate patterns, visit Chartres Climate.