Last updated: August 21, 2025
March in Castletown, Isle of Man is characterized by a dynamic weather spectrum, where temperatures fluctuate between a maximum of 11°C (52°F) and a brisk minimum of -1°C (30°F). With an average temperature of 7°C (45°F), the month offers a mix of mild spells and cooler days. However, expect a significant amount of moisture, as the region experiences 87 mm (3.4 in) of precipitation spread over 18 days, contributing to an overall humidity level of 86%. This combination of cool temperatures and frequent rainfall makes March a quintessential spring month in Castletown, where unpredictable weather beckons both residents and visitors.
In March, temperatures in Castletown, Isle of Man begin to hint at the arrival of spring, though they still carry the chill of winter. The month starts with a noticeable drop, featuring a minimum of -1°C (30°F), which is the lowest of the early year, while the average hovers around 7°C (45°F). The maximum temperature reaches a mild 11°C (52°F), suggesting that while the cold is receding, it hasn't fully surrendered yet. Compared to the previous two months, March offers a slight reprieve from the grip of winter, with a gradual warming trend that sets the stage for the milder days of April ahead. This transitional atmosphere is palpable, as the days start to lengthen and the promise of spring blooms on the horizon.
In March, Castletown experiences a noteworthy transition in its weather patterns, receiving 87 mm (3.4 in) of precipitation over 18 days. This brings a refreshing change following the wetter months of January and February, which recorded 81 mm and 106 mm respectively. Notably, March's rainfall, while substantial, is significantly lower than that of the preceding months, suggesting a gradual shift towards drier spring weather. As the month progresses, this trend continues into April, which sees a dramatic drop to 36 mm (1.4 in), indicating a clear pattern of diminishing precipitation as the Isle of Man welcomes the first hints of spring.
In March, the humidity in Castletown, Isle of Man, reflects a gradual shift as it dips to 86%, following the slightly higher averages of 89% in January and 88% in February. This downward trend continues into April with humidity further decreasing to 84%, hinting at a transition towards softer spring conditions. While the early months of the year are characterized by a damp atmosphere, the subsequent months show a consistent overall decline, with the early spring months slowly paving the way for the drier summer ahead. This pattern highlights the unique climatic transition of the region as it moves from the chill of winter to milder spring days.
As March arrives in Castletown, Isle of Man, the UV Index indicates a moderate level of UV exposure at 3, leading to a burn time of approximately 30 minutes for unprotected skin. This marks a notable increase from the low indices of January and February, signaling the gradual onset of spring and the need for heightened awareness about sun safety. As the month unfolds, residents and visitors should prepare for further increases in UV levels, particularly as April brings a sharper rise to 5. By embracing protective measures this March, you can enjoy the sunny days ahead while safeguarding your skin. For more details on the UV Index throughout the year, visit Castletown UV Index.
UV Risk Categories
As March unfolds in Castletown, Isle of Man, the days grow noticeably brighter, with an impressive 233 hours of sunshine illuminating the landscape. This marks a significant increase from the 161 hours recorded in February, signaling the end of the winter gloom and the arrival of spring's warmth. The trend continues upward, with sunny April anticipated to bring even more light, as the region enjoys a gradual ascent to 341 hours. This progression not only invigorates the local flora but also uplifts the spirits of residents and visitors alike, suggesting that brighter days lie ahead as we transition into the full bloom of summer.
March in Castletown, Isle of Man, offers a 25% chance of sunny weather, slightly diminishing from the previous months of January and February, which boast 28% and 26% respectively. This trend hints at a gradual transition as the seasons shift, with more promising conditions anticipated in the coming months. April sees a striking increase to 52%, ushering in spring’s vibrant charm, while the likelihood in May and July also reflects a healthier 40%. As we move towards summer, the weather becomes noticeably brighter, suggesting that while March may remain a bit gloomy, the sunnier days are just around the corner.
As winter transitions into spring, March in Castletown, Isle of Man marks a noteworthy shift in daylight duration, offering an invigorating 11 hours of daylight. This increase of 2 hours from February signals the onset of longer days, effectively brightening the environment as the days become progressively warmer. Following March, the daylight continues to blossom, with April showcasing 14 hours, and May reaching an impressive 16 hours. This upward trend not only enhances outdoor activities but also lifts the spirits as the community basks in the lengthening days. Thus, March stands as a pivotal month that bridges the darker winter months and the vibrant summer ahead, inviting residents and visitors alike to fully embrace the emerging light.
In March, the winds in Castletown, Isle of Man blow in with an average speed of 8.5 m/s (19 mph), mirroring the briskness felt in January. This consistency hints at a lingering winter chill, as the winds maintain their vigor before giving way to the calmer breezes of spring. Following the peak in February at 10.5 m/s (24 mph), March serves as a transition month, gently ushering in milder conditions that will soon dominate the upcoming months. As the temperatures begin to warm, April's winds drop to a more placid 5.8 m/s (13 mph), initiating a trend toward tranquility as summer approaches, making March a pivotal point in the seasonal wind cycle of this charming island.
Weather in Castletown varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Castletown, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, we find that March experiences slightly cooler temperatures overall, with average temperatures around 7°C (45°F) compared to January's 8°C (46°F). While January has a minimum temperature of 3°C (38°F), March can dip to -1°C (30°F). Precipitation levels are relatively similar, with March receiving 87 mm (3.4 in) over 18 days and January totaling 81 mm (3.2 in) over 14 days. Humidity levels are slightly higher in January at 89%, compared to March's 86%. For detailed insights on January weather, you can visit Castletown weather in January.
In comparing the weather between March and February, we notice that both months have average temperatures that are quite similar, with March featuring a minimum temperature of -1°C (30°F) and a maximum of 11°C (52°F), while February ranges from a low of 1°C (34°F) to a high of 12°C (54°F). In terms of precipitation, March receives slightly less rainfall at 87 mm (3.4 in) compared to February's 106 mm (4.2 in), though both months experience precipitation on 18 days. Additionally, humidity levels are comparable, with March at 86% and February slightly higher at 88%. For more detailed insights into February weather, you can check Castletown weather in February.
March and April exhibit a noticeable shift in weather patterns. In March, temperatures range from a chilly -1°C (30°F) at night to a mild 11°C (52°F) during the day, with an average of 7°C (45°F). This month experiences significant precipitation, totaling 87 mm (3.4 in) over 18 days, and humidity levels remain high at 86%. In contrast, April sees a slight warming trend, with minimum temperatures rising to 3°C (38°F) and maximums reaching 13°C (56°F), averaging at 8°C (47°F). Precipitation drops sharply to 36 mm (1.4 in) over just 8 days, and humidity eases slightly to 84%. For a detailed overview of April weather, visit Castletown weather in April.
In comparing the weather between March and May, we notice a distinct warming trend as spring progresses. March features lower temperatures, with a minimum of -1°C (30°F) and an average of 7°C (45°F), while May sees more mild conditions with a minimum of 5°C (42°F) and an average of 10°C (51°F). Precipitation is also notably reduced in May, with only 44 mm (1.7 in) over 9 days compared to March's 87 mm (3.4 in) over 18 days. Additionally, humidity decreases from 86% in March to 79% in May, contributing to a more comfortable atmosphere. For more detailed insights, you can check Castletown weather in May.
March and June exhibit distinctly different weather patterns. In March, temperatures can dip as low as -1°C (30°F), with an average of 7°C (45°F) and highs reaching 11°C (52°F). This month also experiences significant precipitation, totaling 87 mm (3.4 in) over 18 days, and high humidity at 86%. In contrast, June offers a milder climate, with minimum temperatures around 9°C (49°F) and an average of 13°C (55°F), peaking at 17°C (64°F). Rainfall decreases to 70 mm (2.8 in) across 11 days, and humidity also drops to a more comfortable 81%. For more details, you can visit Castletown weather in June.
March and July present notably different weather patterns. In March, temperatures range from a chilly -1°C (30°F) at night to a milder max of 11°C (52°F), with an average of 7°C (45°F). Precipitation is more frequent during this month, with rain falling on 18 days and a total of 87 mm (3.4 in), coupled with high humidity at 86%. In contrast, July experiences much warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 19°C (67°F), averaging around 14°C (58°F). Rainfall decreases to 70 mm (2.8 in), occurring over just 12 days, and humidity levels drop to 78%. For more detailed weather insights, check the Castletown weather in July.
When comparing the weather in March and August, there are notable differences in temperature and humidity levels. March experiences cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 11°C (52°F), with an average of 7°C (45°F). In contrast, August enjoys milder conditions, with temperatures between 12°C (54°F) and 18°C (65°F), averaging 15°C (59°F). Precipitation levels are similar, with March receiving 87 mm (3.4 in) over 18 days and August slightly higher at 94 mm (3.7 in) over 15 days. Additionally, March has a higher humidity level of 86%, compared to August's 79%. For more details on the weather specifics in August, you can visit Castletown weather in August.
March and September present quite distinct weather experiences. In March, temperatures can dip to a chilly -1°C (30°F), with an average of 7°C (45°F) and a maximum of 11°C (52°F). The month is also marked by substantial precipitation, totaling 87 mm (3.4 in) over 18 days, and a high humidity level of 86%. In contrast, September offers a much milder climate, with minimum temperatures starting at 10°C (51°F) and averaging around 14°C (58°F), peaking at 19°C (67°F). The precipitation in September is slightly higher at 91 mm (3.6 in) over just 14 days, while humidity remains relatively stable at 85%. For a more detailed overview, you can check Castletown weather in September.
March and October exhibit notable differences in weather conditions. In March, temperatures can drop as low as -1°C (30°F), with average daily highs reaching only 11°C (52°F). The month also sees considerable precipitation, averaging 87 mm (3.4 in) over 18 days, accompanied by high humidity levels at 86%. In contrast, October presents a milder climate, with minimum temperatures at 7°C (45°F) and an average high of 17°C (63°F). Precipitation increases to 142 mm (5.6 in), also spread across 18 days, while humidity rises slightly to 90%. Overall, October tends to be warmer and wetter compared to the brisk, chilly conditions of March. For more details, you can check the Castletown weather in October.
March and November present distinctly different weather patterns. In March, temperatures are cooler, ranging from a minimum of -1°C (30°F) to a maximum of 11°C (52°F), with an average of 7°C (45°F). This month experiences about 87 mm (3.4 in) of precipitation across 18 days and has a relative humidity of 86%. In contrast, November sees milder temperatures, with a minimum of 6°C (43°F), an average of 10°C (51°F), and a maximum reaching 14°C (58°F). Precipitation increases to 143 mm (5.6 in) over 20 days, while humidity rises slightly to 91%. For more detailed information, you can check Castletown weather in November.
When comparing the weather in March and December, some notable differences emerge. March typically sees cooler temperatures, with averages around 7°C (45°F) and a maximum of 11°C (52°F), while December tends to be milder, averaging 9°C (48°F) with highs reaching 13°C (56°F). Additionally, December experiences higher precipitation levels, with 144 mm (5.7 in) over 22 days compared to March's 87 mm (3.4 in) spread across 18 days. Humidity is also slightly higher in December at 89%, compared to March's 86%. For a more detailed look at the weather conditions in December, you can visit Castletown weather in December.
March in Castletown marks a transition from the chill of winter to the first hints of spring. With temperatures averaging around 7°C (45°F), it's noticeably cooler compared to the milders days of later spring. The month is characterized by increased precipitation, with frequent rains contributing to a damp atmosphere and high humidity levels, averaging 86%. While March may still deliver a few frosty nights, the days gradually lengthen, hinting at the warmer months ahead. For those interested in a deeper dive into the seasonal trends that shape this unique region, be sure to explore Castletown Climate.