Last updated: August 21, 2025
In January, Saint Peter Port, Guernsey experiences a cool maritime climate characterized by an average temperature of 9°C (49°F). The month sees maximum highs reaching 14°C (57°F), while chilly lows can drop to 3°C (37°F). Humidity levels soar at 89%, contributing to a distinctly damp atmosphere. Rainfall is quite prevalent, with 94 mm (3.7 in) recorded over 14 days, making it a month where cozy indoor activities become essential. This weather pattern shapes January into a uniquely atmospheric time, offering both charm and challenges for visitors and locals alike.
In January, Saint Peter Port, Guernsey experiences cool temperatures, with minimums around 3°C (37°F) and averages hovering at 9°C (49°F). The max temperature can reach up to 14°C (57°F), providing a slightly milder respite amidst the winter chill. As the month transitions into February, temperatures dip further, with minimums dropping to 0°C (33°F), while the average remains steady at 9°C (48°F). The trend continues into March, where chilly nights persist, echoing February's figures with lows again at 0°C (32°F). However, the average max temperatures show little variation, capped at 13°C (55°F). As spring approaches in April, there’s a gradual warming trend, with minimums rising to 5°C (41°F) and maximums reaching 15°C (59°F). This pattern reflects a shift towards more comfortable conditions, ushering in the milder climate of late spring and summer ahead, making January a cold yet noteworthy prelude in Guernsey's annual temperature cycle.
In January, Saint Peter Port experiences notable precipitation, with a total of 94 mm (3.7 in) falling over 14 days. This marks a robust start to the year, contributing to a winter atmosphere that often carries through the chilly month. As the year progresses, precipitation trends reveal a gradual decrease: February sees a slight dip to 86 mm, while March continues this trend with 73 mm. The wetter months towards the end of the year, particularly October and December, stand in stark contrast to the drier spring and summer months. This fluctuation highlights the seasonal variation in Guernsey's climate, where winter brings significant rainfall before giving way to a more moderate, yet still variable, weather pattern.
In January, Saint Peter Port in Guernsey experiences a notably high humidity level of 89%, setting the tone for a winter season characterized by moist air. As the months progress into February, humidity slightly decreases to 88%, but remains high. This trend continues, reaching its lowest in the summer with July dropping to 63%, offering a refreshing reprieve from the winter’s dampness. However, by the end of the year, humidity begins to climb again, with October and the cold months of November and December hitting 89% and 90% respectively. This cyclical pattern highlights a clear transition from wet winters to drier summers, creating a dynamic climate that influences both the environment and the experience of residents and visitors alike.
In January, Saint Peter Port enjoys a relatively mild UV Index of 2, indicating a low exposure category where you can safely spend up to 45 minutes in the sun without risk of burning. As the months progress, the UV Index gradually rises; February sees it increase to 3, and by March, it reaches 4, both categorized as moderate with a burn time of 30 minutes. The trend continues upward into the spring, peaking in June at a striking 9 under the very high exposure category, where outdoor enthusiasts should limit their sun exposure to just 15 minutes. As summer fades into fall, the UV Index begins to decline, stabilizing back down to 2 in November before dropping to a lowly 1 in December. This evolution illustrates the importance of being sun-smart throughout the year. For more details about the UV Index throughout the year, visit Saint Peter Port UV Index.
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In Saint Peter Port, Guernsey, January ushers in 107 hours of sunshine, a modest beginning to the year. As winter fades, the days grow brighter, with February seeing a significant jump to 163 hours. This upward trend continues into March, offering 238 hours as spring begins to take hold. By April, the sunshine almost doubles again to 359 hours, signaling the arrival of longer, warmer days. May and June bring even more joy, with sunshine peaking at 416 hours in each month, creating the perfect backdrop for coastal strolls. The sun graces Saint Peter Port most generously in July, with 436 hours, before gradually tapering off in August to 396 hours. As autumn sets in, September offers 338 hours, a reminder of summer's warmth, while October and November see a decline, landing at 270 and 181 hours respectively. By December, the sunshine dips to 130 hours, closing the year with a gentle whisper of light before the cycle begins anew. This trend illustrates the dynamic nature of Guernsey’s weather, where each month brings the promise of brighter days ahead.
In Saint Peter Port, Guernsey, January ushers in a modest 21% chance of sunny weather, marking it as one of the cloudier months of the year. As the seasons progress, the likelihood of sunshine gradually increases, peaking in April with a noteworthy 62% chance. This upward trend continues into the warmer months of July and August, where the likelihood remains relatively high at 49% and 42%, respectively. In contrast, the winter months see lower probabilities for sunny days, with February offering just a slight improvement to 28%. Overall, while January may not boast abundant sunshine, the progression to spring promises a brightening outlook for those hoping for more sun.
In Saint Peter Port, Guernsey, January ushers in a modest 8 hours of daylight, characteristic of the deep winter months. As the year progresses, daylight gradually increases; by February, it stretches to 10 hours, signaling the first hints of spring approaching. This trend continues through March and April, where the hours of sunshine notably rise to 11 and 13 hours respectively, invigorating the landscape with the returning light. As we transition into summer, daylight peaks in June at a generous 16 hours, providing long, sun-filled days perfect for outdoor activities. Following the solstice, daylight begins its slow descent, with the summer's glory tapering to 14 hours in August and further declining to 12 hours by September. This pattern continues into fall, leaving October and November with 10 and 9 hours of daylight, before returning to the familiar 8 hours in December, completing the cycle of the seasons. Overall, the gradual shift in daylight hours reflects the natural rhythm of light and dark throughout the year in this charming harbor town.
In January, the winds in Saint Peter Port, Guernsey are robust, averaging 9.0 m/s (20 mph), setting a brisk tone for the new year. This gusty start foreshadows a pattern of variability throughout the winter months, with February's winds slightly increasing to 9.1 m/s (20 mph). As the seasons transition into spring, the winds begin to soften, dropping to 7.8 m/s (17 mph) in March and further to 6.8 m/s (15 mph) in April. The gentler breezes of late spring and summer, peaking at a low of 4.6 m/s (10 mph) in June, provide a welcome reprieve. However, as autumn approaches, activity picks up again with wind speeds rising toward winter levels, culminating in a notable December peak of 9.8 m/s (22 mph). This cyclical dance of wind intensities captures the essence of the coastal climate, shaping the experience of life in Guernsey throughout the year.
Weather in Saint Peter Port varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Saint Peter Port, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in January and February, both months exhibit relatively mild temperatures, but with some notable differences. January tends to be slightly warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), while February sees a drop in the minimum temperature to 0°C (33°F), and the maximum settling at 13°C (56°F). Precipitation levels are also similar, with January receiving 94 mm (3.7 in) over 14 days, compared to February's 86 mm (3.4 in) over 16 days, indicating slightly wetter conditions in February despite the overall humidity being fairly consistent at around 89% in January and 88% in February. For a more detailed look at February weather, you can visit Saint Peter Port weather in February.
In January, temperatures in Saint Peter Port range from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), with an average of 9°C (49°F). The month experiences considerable precipitation, totaling 94 mm (3.7 in) across 14 days, contributing to a high humidity level of 89%. In contrast, March sees slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), while still maintaining the same average of 9°C (49°F). Precipitation during this month is lower at 73 mm (2.9 in), spread over 15 days, and the humidity decreases marginally to 85%. For more details on the weather in March, you can visit Saint Peter Port weather in March.
In January, the weather is notably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an average of 9°C (49°F). This month also brings significant precipitation, totaling 94 mm (3.7 in) over 14 days, coupled with high humidity at 89%. In contrast, April experiences milder conditions, where temperatures vary from a minimum of 5°C (41°F) to a maximum of 15°C (59°F), with an average temperature of 10°C (50°F). Precipitation decreases substantially to 34 mm (1.3 in) over just 8 days, and humidity slightly lowers to 84%. For a closer look at the weather specifics in April, you can visit Saint Peter Port weather in April.
In January, the weather in Saint Peter Port is typically quite cool and damp, with average temperatures ranging from a chilly 3°C (37°F) at night to a mild 14°C (57°F) during the day. The month experiences significant precipitation, totaling 94 mm (3.7 in) over about 14 days, coupled with high humidity at 89%. In contrast, May brings a welcome change, as temperatures rise to a minimum of 7°C (45°F) and can reach a pleasant maximum of 18°C (65°F), with an average of 12°C (54°F). Rainfall decreases to 55 mm (2.2 in) across only 8 days, and humidity levels drop to a more comfortable 81%. To learn more about the weather during this beautiful month, you can check out Saint Peter Port weather in May.
In January, the weather is significantly cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an average of 9°C (49°F). During this month, the region experiences more precipitation, with 94 mm (3.7 in) falling over 14 days, and humidity levels are quite high at 89%. In contrast, June brings milder conditions, with temperatures typically ranging between 11°C (53°F) and 19°C (67°F) and an average of 14°C (58°F). The precipitation in June is lower at 59 mm (2.3 in) over just 8 days, along with a decrease in humidity to 77%. For more detailed information on June weather specifically, you can refer to Saint Peter Port weather in June.
The contrast between January and July weather is quite pronounced in Saint Peter Port. In January, temperatures range from a chilly 3°C (37°F) to a mild 14°C (57°F), with an average of 9°C (49°F) and significant precipitation of 94 mm (3.7 in) spread over 14 days. This results in a high humidity level of 89%, contributing to a damp, cool atmosphere. In stark contrast, July brings much warmer conditions, with temperatures hovering between 14°C (57°F) and 21°C (70°F), averaging 16°C (62°F). The month sees significantly less rainfall, with only 37 mm (1.5 in) over just 7 days, and a lower humidity of 63%. For more detailed insights, you can check out the Saint Peter Port weather in July.
January and August present stark contrasts in weather. January's temperatures range from a chilly 3°C (37°F) at their minimum to a mild 14°C (57°F) at their maximum, averaging 9°C (49°F), while August enjoys significantly warmer conditions with a minimum of 14°C (57°F), an average of 17°C (63°F), and a maximum of 22°C (72°F). Precipitation is more frequent in January, with 94 mm (3.7 in) spread over 14 days, compared to just 50 mm (2.0 in) over 9 days in August. Additionally, January's humidity is notably high at 89%, while August sees a more comfortable level at 71%. For a closer look at August weather specifics, refer to Saint Peter Port weather in August.
January and September present a stark contrast in weather patterns. In January, temperatures range from a chilly 3°C (37°F) to a mild 14°C (57°F), with an average of 9°C (49°F), accompanied by high humidity at 89%. Precipitation is notable, accruing 94 mm (3.7 in) over about 14 days, making it one of the wetter months. In comparison, September enjoys much milder conditions, with minimum temperatures of 12°C (54°F) and maximums reaching 21°C (71°F), leading to a more comfortable average of 17°C (62°F). The month also experiences less rainfall, totaling 63 mm (2.5 in) across around 9 days, and a lower humidity level of 76%. For those interested in specific details about weather in September, you can find more information here: Saint Peter Port weather in September.
In comparing the weather between January and October, we notice a significant warming trend. January features cooler temperatures, with a minimum of 3°C (37°F) and an average of 9°C (49°F), while October sees a rise, with temperatures ranging from a minimum of 9°C (48°F) to an average of 15°C (59°F) and a maximum of 20°C (68°F). Precipitation also increases in October, totaling 144 mm (5.7 in) over 17 days, compared to January's 94 mm (3.7 in) over 14 days. Interestingly, humidity remains consistent at 89% for both months. For more detailed insights into October weather, check out Saint Peter Port weather in October.
In comparing the weather patterns of January and November, January tends to be cooler with an average temperature of 9°C (49°F), featuring a minimum of 3°C (37°F) and a maximum of 14°C (57°F). November, on the other hand, experiences milder conditions, with an average temperature of 12°C (54°F) and a more comfortable high of 17°C (63°F). However, November sees slightly more precipitation, averaging 126 mm (5.0 in) over 18 days, compared to January's 94 mm (3.7 in) over 14 days. Humidity levels are quite similar in both months, hovering around 89% in January and 90% in November. For more detailed insights, you can check out Saint Peter Port weather in November.
In comparing the weather between January and December, we observe some notable differences. January tends to be slightly cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), while December has a milder range from 5°C (41°F) to the same maximum of 14°C (58°F). Precipitation levels also vary significantly; January receives about 94 mm (3.7 in) over 14 days, whereas December experiences a heavier rainfall of 163 mm (6.4 in) spread over 21 days. Humidity levels remain quite high in both months, with January at 89% and December slightly higher at 90%. For a more detailed look at December weather, you can check out Saint Peter Port weather in December.
As January rolls into Saint Peter Port, the weather stands out compared to the milder months that precede and follow it. With an average temperature hovering around 9°C (49°F), the chill of winter is palpable, often requiring warm layers for outdoor activities. The month is marked by significant precipitation, averaging 94 mm (3.7 in) over 14 days, which contributes to the lush greenery the region is known for, even in the depths of winter. Humidity levels are notably high at 89%, adding a dampness to the air that contrasts sharply with the crispness of summer days. Overall, January's weather encapsulates the essence of winter in this beautiful port town, making it a unique time to experience the local charm. For a deeper dive into the nuances of the seasons in this region, visit Saint Peter Port Climate.