Last updated: February 26, 2025
January in Rennes, France offers a diverse weather experience marked by cool temperatures and notable humidity. With maximum temperatures reaching up to 16°C (60°F) and dipping as low as -7°C (19°F), most days settle around an average of 6°C (43°F). The month also sees about 46 mm (1.8 in) of precipitation spread over 9 days, creating a damp atmosphere with a remarkably high humidity level of 88%. This blend of chilly weather and frequent rainfall makes January a unique time to explore the vibrant culture and stunning architecture of Rennes while bundled up against the elements.
In Rennes, France, January brings a chill to the air, with temperatures ranging from a brisk -7°C (19°F) to a mild 16°C (60°F). While the month typically sees an average of 6°C (43°F), it's the notable day-to-day variations that stand out, reflecting a slow transition towards warmer days ahead. As January progresses, the promise of spring gently edges closer, with February introducing slightly higher lows and highs, indicating a gradual thaw. This pattern of increasing temperatures continues into the following months, signaling the shift from the depths of winter to the budding vibrance of spring. Each step forward in temperature paves the way for blossoming opportunities, encapsulating the essence of Rennes as it awakens from its winter slumber.
In January, Rennes experiences a relatively mild start to the year with 46 mm (1.8 in) of precipitation spread over about 9 days of rain. This sets the tone for a winter that, while wetter than autumn, remains manageable. As the months progress, February and March see an uptick in rainfall, peaking in June with a substantial 100 mm (3.9 in), representing the city's wettest month. Interestingly, the pattern reveals that while January is one of the drier winter months, it transitions smoothly into a wetter spring, culminating in May’s higher average of 67 mm (2.6 in). Despite the increased precipitation in late spring and early summer, the number of rainy days often hovers around the low double digits, suggesting that while Rennes can expect notable rainfall, it’s often interspersed with clear, enjoyable days.
In January, Rennes experiences its peak humidity level at an impressive 88%, marking the heart of winter. This dampness sets the tone for the months that follow, as February sees a slight decrease to 87%, while March begins to show the first signs of spring with a drop to 84%. As the year progresses, the humidity continues to decline, reaching a more comfortable 75% by June and maintaining a range around 65% to 75% during the summer months of July and August. However, as autumn approaches, humidity levels begin to rise again, culminating in 90% by December. This cyclical pattern reveals how Rennes' climate draws a clear line from the wet chill of winter through a more temperate summer, only to return to high humidity as the year closes.
In January, Rennes, France, experiences a UV Index of 2, indicating a low exposure category where the sun poses minimal risk for most individuals. With a recommended burn time of 45 minutes, residents can enjoy outdoor activities without much concern for sun damage. As winter transitions into spring, there's a noticeable trend with the UV Index gradually increasing through the months; it reaches 3 in February and climbs to 5 in March, reflecting a moderate exposure level. This progressive rise continues into April, where the index hits 6, prompting greater caution as burn times decrease. Following this pattern, May and June see the peak UV levels at 8 and 9, respectively, marking a shift to very high exposure. It’s essential for residents to stay informed about these changes as they prepare for sunnier days ahead. For more detailed information, visit Rennes UV Index.
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In Rennes, France, January marks the beginning of a gradual transition into brighter days, with 135 hours of sunshine illuminating the winter landscape. As the months progress, the sun's presence steadily increases, hitting a peak of 414 hours in July, which brings a vibrant warmth to the region. Notably, February sees a significant jump to 200 hours, hinting at the promise of spring. The sunshine continues to cascade through the spring months, reaching a delightful 398 hours in May, before slightly tapering off in the summer's wake. While autumn casts a gentle shadow with decreasing hours, particularly in November and December, the overall trend reminds us that Rennes consistently weaves sunshine into its seasonal tapestry, inviting residents and visitors alike to relish in the light throughout the year.
In January, Rennes, France experiences a modest 20% chance of sunny weather, marking it as one of the cloudier months of the year. As winter transitions into spring, the likelihood of sunshine gradually increases, with February seeing a 28% chance. Notably, the arrival of March heralds a significant uptick to 48%, while April further boosts sunny prospects to 56%. This trend suggests that residents can eagerly anticipate brighter days as the months progress, with sunshine becoming increasingly common leading into late spring and summer. Although January may be dreary, hope for sunnier skies lies just around the corner as the year unfolds.
In Rennes, France, the daylight duration experiences a noticeable evolution throughout the year, with January shining for just 8 hours. As winter begins to relent, February brings a subtle increase to 10 hours, paving the way for the vibrant spring months. March continues this upward trend, offering 11 hours of sunlight, which blossoms into 13 hours by April. The peak occurs in the late spring and early summer, with both May and June basking in a generous 15 hours of daylight—a perfect backdrop for outdoor activities. As summer fades, daylight gradually wanes: July's length remains at 15 hours, only slightly diminishing to 14 hours in August, before steadily declining through the autumn months. By November, the daylight shrinks to 9 hours, finally reverting to January’s 8 hours as the year draws to a close, highlighting the natural rhythm of the seasons in this charming French city.
In January, Rennes experiences an average wind speed of 3.8 m/s (8 mph), setting the tone for the month with a brisk, refreshing breeze. As winter unfolds, the winds tend to pick up slightly in February, reaching 4.4 m/s (10 mph), before dipping again to 3.9 m/s (9 mph) in March. This pattern suggests the city's winter winds can be more pronounced early in the year, offering a vibrant atmosphere before mellowing out in the later months. By April, the winds decrease to 3.5 m/s (8 mph), signaling the gentle arrival of spring. Overall, while January starts with a moderate gust, the wind speeds fluctuate throughout the winter months, creating a dynamic yet temperate climate that characterizes Rennes in early year.
The weather in Rennes 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 Rennes and find detailed weather information for every month.
In January, the weather features a minimum temperature of -7°C (19°F) and an average of 6°C (43°F), peaking at 16°C (60°F), while February sees a slight increase in temperatures with a minimum of -6°C (22°F) and an average of 7°C (45°F), reaching up to 21°C (69°F). Precipitation is more prominent in February, with 60 mm (2.3 in) over 11 days, compared to January's 46 mm (1.8 in) across 9 days. Humidity remains high in both months, with January at 88% and February slightly lower at 87%. For more details on the weather specifics in February, you can check out Rennes weather in February.
January weather is typically colder, with average temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F). In January, the region experiences about 46 mm (1.8 in) of precipitation over 9 days, accompanied by high humidity at 88%. In contrast, March sees a noticeable warming trend, with average temperatures starting from -7°C (20°F) and rising to a maximum of 24°C (75°F). The month also experiences slightly more rainfall, totaling 58 mm (2.3 in) across 12 days, though humidity levels are slightly lower at 84%. For more detailed information on weather conditions in March, check out Rennes weather in March.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F), and an average temperature of around 6°C (43°F). The month sees about 46 mm (1.8 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 88%.
Conversely, April brings a noticeable warming trend, with temperatures cooling down slightly to a minimum of -2°C (28°F) and reaching a maximum of 26°C (80°F), leading to an average of 11°C (52°F). While April's precipitation is slightly higher at 48 mm (1.9 in) over the same number of rainy days, the humidity decreases to 83%. For a closer look at what to expect, check out Rennes weather in April.
In January, the weather is quite chilly, with temperatures ranging from a low of -7°C (19°F) to a maximum of 16°C (60°F), and an average temperature of 6°C (43°F). The month sees 46 mm (1.8 in) of precipitation over about 9 days, coupled with high humidity levels averaging 88%. In contrast, May experiences much warmer conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (86°F) and an average temperature of 14°C (58°F). Although May has slightly more precipitation at 67 mm (2.6 in) over 11 days, the humidity is lower at 81%. This significant difference highlights the transition from the cold, damp winter of January to the milder, more variable weather of May. For a closer look at what to expect during this spring month, check out Rennes weather in May.
The weather in January is notably colder compared to June, with average temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F). In contrast, June sees milder conditions, with temperatures varying from a minimum of 6°C (44°F) to a sweltering maximum of 35°C (95°F), making it the warmer month. Precipitation is also a key difference; January experiences about 46 mm (1.8 in) over 9 days, while June has increased rainfall of 100 mm (3.9 in) spread over 11 days. Additionally, January has higher humidity levels at 88%, compared to the more comfortable 75% humidity of June. For more specifics on June weather, you can check Rennes weather in June.
The weather in January is markedly cooler than in July, with January temperatures ranging from a chilly minimum of -7°C (19°F) to an average of 6°C (43°F), peaking at 16°C (60°F). In contrast, July boasts a much warmer range, with minimums of 7°C (46°F) and an average high of 19°C (67°F), soaring up to a maximum of 37°C (99°F). Both months experience similar precipitation levels, with January receiving 46 mm (1.8 in) over 9 days and July slightly higher at 50 mm (2.0 in) over 8 days. Additionally, January's humidity remains higher at 88%, while July enjoys a more comfortable 65%. For more detailed information on July weather, check out Rennes weather in July.
January and August exhibit stark contrasts in weather patterns. In January, temperatures can plummet to a minimum of -7°C (19°F), with an average of 6°C (43°F) and a maximum of 16°C (60°F). The month is characterized by high humidity at 88% and around 46 mm (1.8 in) of precipitation over 9 days. In contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 7°C (46°F) to a sweltering maximum of 35°C (96°F) and an average of 19°C (66°F). Although precipitation remains somewhat similar at 53 mm (2.1 in) over 8 days, the humidity drops to a more comfortable 67%. For more detailed information, you can visit Rennes weather in August.
January and September showcase a striking contrast in weather conditions. While January temperatures range from a chilly minimum of -7°C (19°F) to a relatively mild maximum of 16°C (60°F), September experiences a more pleasant climate with temperatures fluctuating from a minimum of 5°C (41°F) to a warm maximum of 32°C (90°F). In terms of precipitation, January sees about 46 mm (1.8 in) over approximately 9 days, while September has slightly higher precipitation at 55 mm (2.2 in) over the same number of days. Additionally, the humidity in January is notably higher at 88%, compared to a more comfortable 75% in September. For further insights on September weather, you can explore Rennes weather in September.
In comparison to January, which experiences colder temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F), October offers a milder climate with minimums at 3°C (37°F) and maximums reaching 24°C (76°F). Additionally, October tends to be wetter, receiving 88 mm (3.5 in) of precipitation over 11 days, whereas January has only 46 mm (1.8 in) across 9 days. Despite the higher rainfall in October, the humidity levels are slightly lower at 85% compared to January's 88%, making the latter feel a bit more oppressive. For further details on the October weather, you can visit Rennes weather in October.
January and November showcase distinct weather patterns, despite sharing similar humidity levels of 88%. In January, temperatures range from a chilly minimum of -7°C (19°F) to a maximum of 16°C (60°F), with an average of 6°C (43°F), making it notably cooler. The month typically experiences about 46 mm (1.8 in) of precipitation over 9 days. In contrast, November offers milder conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (64°F) and an average of 8°C (48°F). This month sees slightly higher rainfall, totaling 71 mm (2.8 in) across 11 days. For more detailed information, you can explore the weather specifics at Rennes weather in November.
In January, the weather experiences a slight cooling trend compared to December, with minimum temperatures dropping to -7°C (19°F) and average temperatures around 6°C (43°F). While both months share a maximal temperature of 16°C (60°F), January sees less precipitation at 46 mm (1.8 in) over 9 days, compared to December's 97 mm (3.8 in) spread across 15 days. Additionally, January has slightly lower humidity, averaging 88% compared to December's 90%. For more detailed insights, check out Rennes weather in December.
January in Rennes is characterized by its cool, crisp air and relatively high humidity, setting it apart from the milder months that follow. With an average temperature of around 6°C (43°F), the city experiences chilly days and some frosty nights, occasionally plunging to -7°C (19°F). Visitors can expect about nine days of precipitation, contributing to the overall dampness of the month. Unlike the warmer seasons that bring vibrant greenery and bustling outdoor activities, January's weather invites a more introspective experience, perfect for cozying up indoors or exploring the city’s historical sites with a fresh clarity in the air. For a comprehensive understanding of the yearly weather patterns, check out Rennes Climate.