Last updated: February 26, 2025
In Calais, France, January presents a chilly yet engaging climate, where temperatures typically range from a maximum of 13°C (56°F) to a minimum of -2°C (28°F), with an average hovering around 6°C (44°F). The month is characterized by high humidity levels of 91%, contributing to a brisk feel in the air. Rain is relatively frequent, with 75 mm (2.9 in) of precipitation accumulated over 12 days, enticing both locals and visitors to bundle up and embrace the winter charm of this coastal city.
In Calais, France, January presents a chilly snapshot of winter, with temperatures ranging from a brisk -2°C (28°F) to a mild 13°C (56°F). The average temperature hovers around 6°C (44°F), signaling the heart of the cold season. As the month progresses, one might notice the gradual shift towards slightly warmer conditions, hinting at the arrival of spring. This trend is evident as temperatures steadily rise in February and into March, setting the stage for a gentle transition as the days lengthen and the air warms. Despite the cold, Calais's winter charm captivates, inviting visitors to explore its beautiful coastal landscapes shrouded in a serene frosty blanket.
In January, Calais experiences 75 mm (2.9 in) of precipitation over approximately 12 days, marking the month as relatively wet but not the rainiest of the year. This level of rainfall typically paves the way for the wetter months ahead, particularly October and December, which see significantly higher totals of 118 mm (4.6 in) and 133 mm (5.2 in), respectively. As winter transitions into spring, precipitation gradually tapers off, with April recording just 28 mm (1.1 in). Notably, January's rainfall sets the stage for an overall pattern of fluctuating precipitation, often influenced by shifting weather systems that lead to distinct wet and dry periods throughout the year.
In January, Calais experiences its highest humidity of the year at 91%, setting a damp tone for the winter month. This high humidity slowly decreases as the seasons change, dipping to 89% in February and further to 86% in March, indicating a slight reprieve as spring approaches. However, the air remains relatively moist throughout the early months, with humidity levels gradually decreasing to 82% by May. As summer arrives, a notable reduction occurs, reaching its lowest point of 76% in July and tapering off to 73% in August. Yet, as autumn rolls in, the humidity levels rebound, rising back to 80% in September and peaking again at 92% by November and December. This cyclical nature of humidity in Calais underscores a rhythm that mirrors the transition from winter’s chill to summer's warmth and back again, revealing the region's character as both a sanctuary for moisture and a canvas for seasonal change.
In January, Calais experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes. As winter progresses into February, the UV Index slightly increases to 2, maintaining a low exposure category and the same burn time. This trend continues, culminating in a moderate UV Index of 4 by March and 5 in April, where sunburn risk begins to rise, reducing burn time to 30 minutes. As spring transitions into summer, UV levels peak, with June and July both reaching a high of 8—entry into the very high category, significantly shortening safe exposure to just 15 minutes. The sun's intensity eases into August with a UV Index of 7, before gradually decreasing through autumn. This seasonal pattern underscores the importance of adapting sun protection strategies, especially as the UV Index climbs during the warmer months. Explore more about the UV Index throughout the year at Calais UV Index.
UV Risk Categories
In Calais, France, the month of January emerges with a modest 128 hours of sunshine, setting the stage for a gradual ascent into brighter days. As winter transitions to spring, February welcomes an increase to 193 hours, hinting at the upcoming warmth. The sunshine continues to shine brighter, reaching 284 hours in March and culminating in April with 352 hours. This upward trend propels into the summer months, where May and June bask in 413 and 414 hours respectively, showcasing the region's vibrant atmosphere. Although sunshine begins to dip in July at 420 hours, it remains high before gradually fading into August's 397 hours. As autumn sets in, the hours decline steadily, with October receiving 250 hours, and slipping to 162 hours by December. This annual cycle highlights the beautiful contrast of tranquil winter lows and lively summer highs, painting a picture of Calais' ever-changing climatic rhythm.
In Calais, France, January tends to be quite overcast, with only a modest 16% chance of sunny weather. This early winter month marks a low point in the yearly sunshine trend, with February showing a slight improvement at 28%. As the seasons change, the likelihood of sunshine gradually rises, reaching 40% in March and peaking at 52% in April. However, by May and through the summer months, the chance of sunny days fluctuates before tapering off again in October. Interestingly, November and December see a decline in sunshine once more, similar to January, which suggests a recurring pattern of winter grayness followed by a rejuvenated spring warmth in Calais.
In Calais, France, the daylight duration experiences a significant transformation throughout the year, beginning with a modest 8 hours in January. As winter gives way to spring, daylight steadily increases, reaching 10 hours by February and peaking at 13 hours in April. The crescendo continues as late spring and summer unfold, with June basking in an abundant 16 hours of daylight. However, as the year progresses into late summer and fall, daylight hours gradually diminish—witnessing a gentle decline to 12 hours in September, before descending back to 8 hours by November. This cyclical pattern captures the rhythm of the seasons, offering a vivid glimpse into the shifting interplay of light and darkness in this coastal city.
In Calais, January greets residents and visitors with an average wind speed of 6.9 m/s (15 mph), setting the tone for the winter months. As the year progresses into February, the winds pick up slightly, reaching 7.2 m/s (16 mph), hinting at a brisk start to the spring season. However, by March, the winds mellow to 6.6 m/s (15 mph), only to further calm down in April, where breezes soften to 6.0 m/s (13 mph). The transition into late spring shows mild fluctuations, with speeds hovering around 6.3 m/s (14 mph) in May and June, before dipping noticeably to 4.4 m/s (10 mph) in June, marking the calmest period of the year. As summer arrives, winds gradually build again, with July experiencing 5.3 m/s (12 mph) and August picking up to 6.4 m/s (14 mph). A slight decline is seen in the early autumn months, with September and October recording 5.2 m/s (12 mph) and 7.2 m/s (16 mph) respectively. November swings back to 6.3 m/s (14 mph) before December finishes the year on an energetic note with winds reaching 7.3 m/s (16 mph). Overall, while Calais experiences variability throughout the year, January's winds provide a steady yet invigorating backdrop, paving the way for seasonal changes ahead.
The weather in Calais 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 Calais and find detailed weather information for every month.
In January, the weather tends to be slightly milder than in February, with average temperatures ranging from a minimum of -2°C to a maximum of 13°C. January also experiences more precipitation, with 75 mm falling over 12 days and higher humidity levels at 91%. In contrast, February sees a slight drop in minimum temperatures to -3°C, although the average temperature rises to 7°C, peaking at 14°C. Precipitation in February is somewhat less, totaling 67 mm over the same number of days, while humidity remains relatively low at 89%. For more details on February weather in Calais, visit Calais weather in February.
In January, temperatures range from a chilly -2°C (28°F) to a milder 13°C (56°F), with an average temperature of 6°C (44°F). The month sees significant precipitation, totaling 75 mm (2.9 in) over 12 days, and high humidity levels at 91%. In contrast, March experiences slightly lower minimum temperatures of -4°C (26°F) but a higher maximum of 19°C (66°F), with an average temperature of 8°C (46°F). Precipitation in March is somewhat less, at 63 mm (2.5 in) over 14 days, and humidity decreases to 86%. For more detailed information on the weather during March, visit Calais weather in March.
In January, the weather is quite chilly, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), accompanied by high humidity levels at 91%. This month also experiences relatively substantial precipitation, totaling 75 mm (2.9 in) over 12 days. In contrast, April brings a welcome change with milder temperatures that range from a minimum of 3°C (37°F) to a maximum of 18°C (66°F). The total precipitation in April is significantly lower at 28 mm (1.1 in), occurring over just 7 days, and the humidity drops slightly to 85%. For a more detailed look at what to expect, check out Calais weather in April.
In January, the weather is quite cold, with temperatures ranging from a chilly -2°C (28°F) at night to a mild maximum of 13°C (56°F) during the day. The month also experiences substantial precipitation, averaging 75 mm (2.9 in) over 12 days, coupled with high humidity levels at 91%. In contrast, May brings much warmer conditions, starting with a minimum temperature of 6°C (43°F) and reaching highs of 23°C (74°F). The overall precipitation in May is lower, at 60 mm (2.4 in) over 9 days, and the humidity decreases slightly to 82%. For more detailed insights, you can explore Calais weather in May.
In January, the weather in Calais is quite chilly, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), and an average temperature of around 6°C (44°F). January experiences significant moisture, with precipitation totaling 75 mm (2.9 in) over approximately 12 days and a high humidity level of 91%.
In contrast, June brings much milder conditions, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 26°C (79°F), and an average temperature of about 16°C (60°F). The precipitation in June is lighter, totaling 62 mm (2.4 in) across about 9 days, and the humidity decreases slightly to 81%. For a more detailed look at summer conditions, check out Calais weather in June.
January and July present a stark contrast in weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to a mild maximum of 13°C (56°F), with an average temperature of 6°C (44°F). The month sees significant rainfall, with 75 mm (2.9 in) recorded over 12 days, contributing to a high humidity level of 91%. In contrast, July enjoys much warmer temperatures, with a minimum of 13°C (56°F), an average of 18°C (64°F), and a maximum soaring to 32°C (89°F). Precipitation decreases to 48 mm (1.9 in) over just 9 days, and the humidity drops to a more comfortable 76%. For more details on the summer conditions, visit Calais weather in July.
January and August showcase stark contrasts in weather. January is characterized by colder temperatures, with a minimum of -2°C (28°F) and an average of 6°C (44°F), while August enjoys milder conditions, featuring a minimum of 13°C (55°F) and an average of 18°C (65°F). Precipitation levels are similar, with January seeing 75 mm (2.9 in) over 12 days and August measuring 74 mm (2.9 in) also over 12 days. However, humidity levels differ significantly; January has a high humidity of 91%, making the cold feel even sharper, whereas August experiences a more comfortable 73% humidity. For more detailed insights into August weather, you can visit Calais weather in August.
January and September present distinctly different weather patterns. In January, temperatures range from a chilly minimum of -2°C (28°F) to a maximum of 13°C (56°F), with an average of 6°C (44°F). The month is characterized by higher humidity at 91%, along with 75 mm (2.9 in) of precipitation spread over 12 days. In contrast, September features milder temperatures, with minimums of 11°C (51°F) and maximums reaching 23°C (75°F), averaging around 17°C (62°F). Although September has slightly less precipitation, at 65 mm (2.6 in) over 11 days, the humidity is lower at 80%. For more detailed insights about the month of September, you can check this link: Calais weather in September.
In January, temperatures generally range from a chilly -2°C (28°F) to a mild 13°C (56°F), with an average temperature of 6°C (44°F). The month is characterized by high humidity at 91% and about 75 mm (2.9 in) of precipitation over 12 days. In contrast, October brings significantly warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 22°C (72°F), averaging around 14°C (57°F). However, October is slightly wetter, receiving 118 mm (4.6 in) of rainfall spread over 17 days, with a humidity level of 89%. For a detailed look at weather patterns during this month, you can refer to Calais weather in October.
January weather is generally colder than November, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), averaging around 6°C (44°F). In contrast, November experiences milder temperatures, with a minimum of 3°C (37°F) and a maximum of 17°C (64°F), averaging 10°C (50°F). Additionally, January has slightly lower precipitation, totaling 75 mm (2.9 in) over 12 days, while November sees more rainfall at 90 mm (3.6 in) across 17 days. The humidity levels are quite similar, with January at 91% and November at 92%. For a detailed look at November weather specifics, you can check Calais weather in November.
In comparing the weather between January and December, January tends to be colder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), while December experiences slightly milder conditions with temperatures ranging from 0°C (33°F) to 14°C (57°F). Precipitation is more pronounced in December, totaling 133 mm (5.2 in) over 19 days, compared to January's 75 mm (2.9 in) over 12 days. Despite the lower precipitation, January maintains a similarly high humidity level at 91%, closely matching December's 92%. For more details on December weather, you can check Calais weather in December.
As January settles in Calais, the weather takes on a distinct chill compared to the milder months that precede and follow it. Average temperatures hover around a brisk 6°C (44°F), giving way to colder nights where lows can dip to -2°C (28°F). This month also stands out with its heightened humidity levels, reaching up to 91%, creating a damp atmosphere that can feel particularly biting. With approximately 75 mm (2.9 in) of precipitation spread over 12 days, January is also one of the wetter months, making it crucial to bundle up and be prepared for intermittent rain. For a deeper understanding of how these conditions compare year-round, explore more at Calais Climate.