Last updated: August 21, 2025
In March, Saint Helier, Jersey, experiences a dynamic transition into spring, with maximum temperatures reaching 14°C (58°F) and an average of 9°C (48°F), while dipping to a chilly minimum of -2°C (29°F). The month is characterized by significant precipitation, totaling 84 mm (3.3 in) over 15 days, contributing to a notably humid atmosphere at 86%. This blend of cool temperatures and frequent rain creates a unique weather tapestry, perfect for those who appreciate the freshness of early spring.
In March, Saint Helier, Jersey begins to shake off winter's chill, with temperatures gradually rising as spring approaches. The month opens with a minimum temperature dipping to -2°C (29°F), but the average climbs to a milder 9°C (48°F), peaking at a comfortable 14°C (58°F) during the day. This marks a subtle transition from February's colder grip, as March becomes a herald of the warmer months ahead. Visitors can expect vibrant days with increasing sunshine, making it an ideal time to explore the island's budding landscapes and engage in outdoor activities. Overall, March signifies the start of a gentle warming trend, enticing both locals and travelers to embrace the fresh air and the promise of longer, sunnier days.
In March, Saint Helier experiences a transitional month as precipitation begins to decline from the winter peaks. With an average of 84 mm (3.3 in) of rainfall over 15 days, March represents a noticeable drop from January and February, which had 97 mm and 90 mm respectively. This trend signals the approach of spring, as the wettest months start to taper off. Interestingly, despite the decrease in total rainfall, March's precipitation still lays the groundwork for the upcoming bloom, marking a shift toward milder weather. As April arrives with even lower 36 mm (1.4 in), it's evident that Saint Helier's climate is gradually moving away from the heavy downpours of winter, paving the way for sunnier days ahead.
In March, humidity in Saint Helier, Jersey sees a decline to 86%, continuing a gradual downward trend that begins in the winter months. As the region transitions from the damp cold of January (90%) and February (89%), March marks the onset of milder conditions, paving the way for April's further decrease to 84%. This shift indicates that as spring approaches, residents can expect a more comfortable atmosphere, even as humidity levels remain relatively high compared to the warmer summer months. Overall, March reflects a slight relief from the winter humidity, hinting at brighter and drier days ahead as the year progresses.
As March unfolds in Saint Helier, Jersey, the UV Index rises to 4, reflecting a moderate level of sun exposure—a notable increase from the previous months. This shift means that while you're not at immediate risk of sunburn, it’s essential to be mindful of your time spent outdoors as the burn time shortens to just 30 minutes. This gradual ascent in UV intensity from winter’s low scores hints at the approaching spring warmth, encouraging residents and visitors alike to prepare for sunnier days ahead. The upward trend continues into April and May with significantly higher UV values, setting the stage for a sun-soaked summer. For more details on daily UV fluctuations, check out the resource available at Saint Helier UV Index.
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As March unfolds in Saint Helier, Jersey, residents and visitors alike can bask in the delightful embrace of approximately 239 hours of sunshine—an invigorating jump from the 166 hours enjoyed in February. This increase heralds the arrival of spring, setting the stage for the warmer months ahead. March’s radiant days foreshadow the peak of sunshine in May, which boasts a robust 412 hours, while still contrasting with the lower counts in January and November. The transition is clear, as the days steadily lengthen, teasing the promise of summer and inviting everyone to soak up the increasing warmth and vibrant atmosphere that Saint Helier has to offer.
As March arrives in Saint Helier, Jersey, the promise of sunny days begins to shine brighter, with the chance of sunshine climbing to 41%. This marks a notable upward trend from the winter months, where January and February languish at 20% and 30% respectively. While the likelihood of sunny weather will soon peak in April at 64%, March serves as a transitional month that hints at the upcoming spring warmth. Following a slight dip in the summer months, the sunshine probability stabilizes, maintaining a consistent presence throughout the year. Embrace the shift in season as March brings a refreshing wave of optimism for clearer skies.
As winter fades away, March brings a welcome increase in daylight to Saint Helier, Jersey, with the sun shining brightly for 11 hours each day. This transition not only marks a significant change from the 10 hours in February but also sets the stage for even longer days ahead. As spring approaches, daylight hours steadily climb, peaking in the summer months of June at 16 hours. The gradual rise from the winter months, where daylight lingers only 8 hours in January and December, showcases nature’s remarkable rhythm as it shifts from cozy hibernation to vibrant activity. With each passing day in March, residents and visitors alike can feel the optimistic embrace of longer, sunnier days, inviting them outdoors to enjoy the blossoming beauty of the season.
As March sweeps into Saint Helier, Jersey, it brings a gentle breeze with an average wind speed of 7.0 m/s (16 mph), marking a noticeable dip from the slightly brisk February winds. This decline hints at the transition into spring, as the winds begin to mellow in the coming months. Following March, the wind speed further decreases to 6.3 m/s (14 mph) in April, ultimately leading into the calmer summer breezes of June, which drop to 4.4 m/s (10 mph). This trend illustrates a charming seasonal rhythm, where the winds of winter gradually yield to the softer whispers of spring and summer, inviting residents and visitors alike to enjoy the blossoming landscape without being swept away by blustery gusts.
Weather in Saint Helier varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Saint Helier, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, March typically experiences slightly milder temperatures, with average highs of 14°C (58°F) compared to January's maximum of 13°C (56°F). While January has a minimum temperature of 2°C (35°F), March sees colder lows at -2°C (29°F). Precipitation is also lower in March, with 84 mm (3.3 in) falling over 15 days, compared to January's 97 mm (3.8 in) over 14 days. Humidity remains relatively high in both months, although it is slightly lower in March at 86% compared to January's 90%. For more details on January weather, visit Saint Helier weather in January.
In comparing the weather between February and March, we see some notable differences despite their close proximity. February has slightly warmer temperatures, with an average of 8°C (47°F) compared to March's 9°C (48°F). However, March features a broader temperature range, with maximums reaching up to 14°C (58°F), while February peaks at 13°C (56°F). In terms of precipitation, February experiences a bit more rainfall at 90 mm (3.5 inches) over 16 days, while March records 84 mm (3.3 inches) across 15 days. Humidity levels are also quite similar, with February at 89% and March at 86%. For more details on February weather, you can visit Saint Helier weather in February.
March and April present a noticeable transition in weather patterns. In March, temperatures range from a chilly minimum of -2°C (29°F) to a maximum of 14°C (58°F), with an average temperature of 9°C (48°F). The month is also marked by considerable precipitation of 84 mm (3.3 in) over 15 days and high humidity at 86%. In contrast, April sees a more moderate climate, with minimum temperatures rising to 5°C (41°F) and maximums reaching 17°C (62°F), averaging around 10°C (51°F). The precipitation decreases significantly to 36 mm (1.4 in) over just 8 days, accompanied by slightly lower humidity at 84%. For more detailed information, visit Saint Helier weather in April.
March and May present notably different weather patterns. In March, temperatures can drop as low as -2°C (29°F) and average around 9°C (48°F), with maximums reaching 14°C (58°F). This month is characterized by higher precipitation, totaling 84 mm (3.3 in) over approximately 15 days, and humidity levels hovering around 86%. In contrast, May enjoys milder conditions, with minimum temperatures rising to 7°C (46°F) and an average of 13°C (55°F), peaking at 20°C (69°F). Rainfall decreases to 63 mm (2.5 in) across about 10 days, with humidity slightly lower at 80%. For more detailed insights, you can check Saint Helier weather in May.
March and June present notably contrasting weather conditions. In March, temperatures range from a chilly -2°C (29°F) at night to a mild 14°C (58°F) during the day, with an average of 9°C (48°F). The month experiences higher precipitation at 84 mm (3.3 in) over 15 days, leading to a relatively humid environment at 86%. In contrast, June showcases a much warmer climate, with nighttime lows of 11°C (53°F) and daytime highs reaching 24°C (76°F), culminating in an average of 15°C (60°F). Additionally, June sees less rainfall, with 71 mm (2.8 in) spread across just 10 days, and slightly lower humidity at 80%. For a more detailed look at the June weather patterns, you can refer to Saint Helier weather in June.
In March, the weather in Saint Helier is characterized by cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (48°F), peaking at 14°C (58°F). This month also experiences considerable precipitation, totaling 84 mm (3.3 in), spread over 15 days, and a high humidity level of 86%. In contrast, July brings a significant warm-up, with temperatures ranging from a minimum of 14°C (58°F) to an average of 17°C (63°F) and maximums reaching 27°C (80°F). Precipitation in July is notably lower, at 47 mm (1.9 in) over just 9 days, accompanied by a reduced humidity level of 69%. For more detailed insights, you can check Saint Helier weather in July.
March and August present quite different weather characteristics. In March, temperatures range from a chilly -2°C (29°F) to a mild 14°C (58°F), averaging around 9°C (48°F). This month also sees significant precipitation, with 84 mm (3.3 in) falling over approximately 15 days, contributing to a high humidity level of 86%. Conversely, August offers much warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), and an average of 18°C (64°F). The precipitation is lower at 66 mm (2.6 in) over about 13 days, accompanied by reduced humidity at 73%. For more detailed information on August weather, check out Saint Helier weather in August.
In March, the weather in Saint Helier is characterized by colder temperatures, with minimums dipping to -2°C (29°F) and an average of 9°C (48°F). The month sees significant humidity at 86% and 84 mm (3.3 in) of precipitation over about 15 days, creating a generally damp atmosphere.
In contrast, September experiences much milder conditions, with temperatures ranging from a minimum of 12°C (54°F) to a pleasant average of 17°C (63°F) and a maximum of 23°C (75°F). Although precipitation is similar at 82 mm (3.2 in), it falls over just 11 days, contributing to lower humidity levels at 79%.
For more detailed insights, you can check out Saint Helier weather in September.
March and October present notably different weather patterns. In March, temperatures range from a chilly -2°C (29°F) at their lowest to a mild 14°C (58°F) at their highest, with an average of 9°C (48°F). The month is marked by considerable precipitation, totaling 84 mm (3.3 in) over approximately 15 days, and humidity levels hover around 86%. In contrast, October enjoys warmer temperatures, with lows of 9°C (48°F) and highs reaching up to 20°C (69°F), averaging 15°C (59°F). However, it also brings increased rainfall, with 157 mm (6.2 in) across 19 days and slightly higher humidity at 89%. For a closer look at October's climate, you can refer to Saint Helier weather in October.
March and November exhibit distinct weather characteristics, making each month unique. In March, temperatures average around 9°C (48°F), with a minimum of -2°C (29°F) and a maximum of 14°C (58°F). This month sees about 84 mm (3.3 in) of precipitation over approximately 15 days, accompanied by a humidity level of 86%. In contrast, November offers milder temperatures, averaging 12°C (53°F) but with minimums around 5°C (41°F) and maximums reaching 17°C (62°F). It experiences higher precipitation at 125 mm (4.9 in) over around 18 days and slightly increased humidity at 92%. For more insights, you can check Saint Helier weather in November.
When comparing the weather in March and December, we see notable differences in temperature and precipitation. March tends to have cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (48°F), while December remains milder, with a minimum of 3°C (38°F) and an average of 10°C (50°F). However, December experiences significantly higher precipitation, averaging 185 mm (7.3 in) over 22 days compared to March's 84 mm (3.3 in) over 15 days. The humidity levels are also higher in December at 92%, compared to March's 86%. For more details, check out Saint Helier weather in December.
As March unfolds in Saint Helier, it marks the transition from winter's chill to the anticipation of spring. The temperatures begin to rise, averaging around 9°C but still feature those brisk moments with lows dipping to -2°C. Compared to the colder months, March brings a notable increase in humidity at 86%, contributing to a moist atmosphere that often results in rainy days—15 in total throughout the month. With an average precipitation of 84 mm, March is a reminder that while spring is on the horizon, the remnants of winter still linger. For more detailed insights into what to expect throughout the year, explore the Saint Helier Climate.