Last updated: March 17, 2025
March in Donegal, Ireland is characterized by a dynamic climate, with temperatures ranging from a chilly -5°C (24°F) at night to a pleasant 17°C (62°F) during the day. The average temperature hovers around 6°C (43°F), offering a mix of brisk and mild days. Precipitation is common, with 128 mm (5.0 in) falling over approximately 18 days, contributing to the region’s lush greenery. Despite the frequent rainfall, humidity levels remain high at 83%, creating a distinctly damp atmosphere that is both invigorating and refreshing for visitors exploring this rugged coastal landscape.
In March, Donegal begins to shake off the winter chill as temperatures gradually rise, reflecting a clear transition towards spring. With minimums hovering around -5°C (24°F), the region still feels the bite of winter, yet the average creeps up to a mild 6°C (43°F). This marks a shift from the consistent cold of January and February, as the maximum temperature can reach a pleasant 17°C (62°F), inviting locals and visitors alike to embrace the emerging warmth. As the days grow longer and brighter, the promise of more temperate weather is on the horizon, making March a pivotal month in Donegal's climatic journey.
March in Donegal, Ireland, sees significant precipitation, with 128 mm (5.0 in) of rainfall spread over 18 days. This marks a slight decrease from February's total, yet remains considerable as winter transitions to spring. The consistent rain sets a vibrant backdrop for the emerging greenery, typical of Donegal's landscape during this time. Following March, April brings a welcome reduction to 65 mm (2.6 in), highlighting a trend of easing precipitation as the season advances. Overall, March serves as a reminder of Donegal's characteristic weather, where rain contributes to the lush beauty that defines the region.
In March, Donegal experiences a slight dip in humidity at 83%, marking a subtle transition from the consistently high levels seen in the winter months. January and February both maintain a steady 84% humidity, creating a damp yet familiar chill typical of the Irish climate. As spring approaches, humidity levels remain stable, setting the stage for the moisture-rich summer months ahead, where values rise again to the mid-80s and even 87% by autumn. This pattern highlights Donegal's enduring maritime influence, with humidity fluctuating minimally yet significantly as the seasons change, creating an ever-present sense of freshness in the air.
As March unfolds in Donegal, the UV Index rises to 4, reflecting a moderate exposure category that signals a change in the seasonal weather pattern. Compared to the earlier months of the year, where the UV Index remained low, this increase indicates that residents and visitors should start taking precautions to protect their skin from potential sunburn after just 30 minutes of unprotected sun exposure. The trend continues into April with a UV Index increase to 5, highlighting the gradual escalation of UV rays as spring advances. With each passing month, there’s a palpable shift, peaking in the summer months where the UV Index reaches 8. For more detailed information and to plan your activities safely, check out the Donegal UV Index.
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March in Donegal marks a delightful transition into spring, showcasing 183 hours of sunshine—a significant increase from January's mere 67 hours. This upward trend continues, as February saw 138 hours of sun, indicating a gradual emergence from the winter gloom. The leap to 183 hours in March not only boosts local spirits but also sets the stage for even sunnier days ahead, with April's forecast suggesting a remarkable 297 hours of brightness. As the days lengthen and warmer weather beckons, the shift in sunlight reflects the vibrant energy sweeping through Donegal, inviting both residents and visitors to embrace the beauty of the season.
As March arrives in Donegal, the likelihood of sunny weather takes a noticeable dip, with the chances plummeting to just 11%. This shift marks a stark contrast from the earlier winter months, where January and February boast probabilities of 24% and 21% respectively. With the promise of spring just around the corner, the sun's presence begins to peek out in April, where sunny days rise significantly to 35%. Observing these trends, it's clear that while March tends to be quite overcast, the hopeful transition into spring suggests brighter days ahead.
As spring arrives in Donegal, Ireland, the days begin to lengthen significantly, with March showcasing an impressive 11 hours of daylight. This marks a notable increase from February's 9 hours, heralding the transition from winter's early nights to the brighter days of spring. This upward trend continues into April, where daylight stretches to 14 hours, hinting at the long, sun-soaked days that await as summer approaches. The increase in daylight hours not only brightens the landscape but also uplifts the spirits of residents and visitors alike, inviting exploration and outdoor activities as nature comes alive once more.
As March arrives in Donegal, Ireland, the winds begin to dance to their own rhythm, with an average speed of 4.6 m/s (10 mph). This moderate breeze is a gentle reminder of nature’s transition from winter to spring, falling between the brisk winds of February and the lighter gusts that will follow in April. Interestingly, while January and February saw higher wind speeds, March still carries a refreshing vitality that stirs the awakening landscape. As the days grow longer and temperatures rise, the winds seem to soften, paving the way for the calmer months ahead, yet still retaining a hint of that lively spirit that defines Donegal’s coastal charm.
The weather in Donegal changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Donegal and find detailed weather information for every month.
In comparison to January, March experiences slightly higher average temperatures, with a minimum of -5°C (24°F) and a maximum of 17°C (62°F) compared to January's range of -5°C (24°F) to 13°C (56°F). March also sees increased precipitation, totaling 128 mm (5.0 in) over 18 days, while January records 95 mm (3.7 in) across 16 days. Humidity levels remain fairly consistent between the two months, with March at 83% and January slightly higher at 84%. For more detailed weather patterns, you can visit Donegal weather in January.
When comparing the weather in March and February, we see some notable differences. February experiences slightly cooler average temperatures, with a max of 14°C (58°F) compared to March's maximum of 17°C (62°F). Both months start with similar minimum temperatures at -5°C (24°F), but March offers a marginally warmer average temperature of 6°C (43°F) versus February's 5°C (42°F). Precipitation levels are quite comparable, with February receiving 142 mm (5.6 in) over 17 days, while March records 128 mm (5.0 in) across 18 days, indicating that March might be just a touch drier. The humidity remains high in both months, with February sitting at 84% and March slightly lower at 83%. For more details about February weather specifically, check out Donegal weather in February.
March and April present a noticeable transition in weather patterns. March tends to be cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 17°C (62°F) and an average temperature of 6°C (43°F). It is also quite wet, experiencing 128 mm (5.0 in) of precipitation over 18 days, coupled with high humidity at 83%. In contrast, April sees a slight warming trend, with temperatures ranging from -2°C (28°F) to a maximum of 20°C (69°F) and an average of 8°C (47°F). Precipitation decreases significantly to 65 mm (2.6 in) over 14 days, while humidity remains relatively stable at 84%. This shift marks April as a time of milder weather and less rain, making it generally more favorable. For more specific details, check out Donegal weather in April.
March weather in Donegal is characterized by colder temperatures, with a minimum of -5°C (24°F) and an average of 6°C (43°F), peaking at 17°C (62°F). This month also sees significant precipitation, with 128 mm (5.0 in) over 18 days, contributing to a high humidity of 83%. In contrast, May offers a marked transition to milder conditions, with minimum temperatures rising to -1°C (30°F) and an average of 11°C (52°F), reaching a maximum of 25°C (77°F). Precipitation decreases to 85 mm (3.4 in) across 14 days, while humidity remains consistent at 83%. For more details about May conditions, check out Donegal weather in May.
In March, temperatures range from a chilly minimum of -5°C (24°F) to a mild maximum of 17°C (62°F), with an average of 6°C (43°F). The month experiences considerable precipitation, totaling 128 mm (5.0 in) over 18 days, while humidity remains high at 83%. In contrast, June offers a warmer experience, with temperatures starting at a minimum of 4°C (40°F) and peaking at 27°C (82°F), resulting in an average temperature of 13°C (56°F). Although June has slightly less precipitation at 114 mm (4.5 in) over 17 days, the humidity level remains consistent at 83%. For more details, check out Donegal weather in June.
March and July exhibit distinct weather patterns, showcasing the transition from early spring to the height of summer. In March, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 17°C (62°F), with an average of 6°C (43°F). The month is marked by significant precipitation of 128 mm (5.0 in) over 18 days, and humidity levels remain high at 83%. In contrast, July offers a more temperate climate with minimums rarely dropping below 6°C (44°F) and maximums reaching up to 27°C (81°F), averaging around 15°C (58°F). While July experiences slightly less precipitation at 108 mm (4.2 in) over 17 days, humidity remains high at 86%. For more details on the weather in July, you can visit Donegal weather in July.
March and August present notably different weather conditions. In March, temperatures range from a chilly -5°C (24°F) at night to a mild 17°C (62°F) during the day, although the average temperature sits at around 6°C (43°F). This month also sees substantial rainfall, accumulating to 128 mm (5.0 in) over 18 days, accompanied by high humidity levels of 83%.
In contrast, August enjoys warmer temperatures, with nighttime lows of 5°C (41°F) and daytime highs reaching 23°C (73°F), averaging 14°C (58°F). However, it is slightly wetter than March, recording 164 mm (6.5 in) of precipitation over 22 days, and maintaining a humidity level of 86%. For more detailed information, you can check Donegal weather in August.
March and September present distinct weather patterns. In March, temperatures typically range from a chilling minimum of -5°C (24°F) to a pleasant maximum of 17°C (62°F), with an average of 6°C (43°F). The month experiences significant precipitation, totaling 128 mm (5.0 in) over 18 days, coupled with a high humidity level of 83%. In contrast, September offers milder temperatures, with a minimum of 2°C (36°F) and a maximum of 24°C (76°F), leading to a more comfortable average of 12°C (55°F). Precipitation is slightly less at 112 mm (4.4 in) over the same number of days, and humidity is higher at 87%. For more detailed information, you can view Donegal weather in September.
March and October both exhibit cooler temperatures compared to the warmer months, but there's a noticeable difference in their graphs. In March, temperatures range from a minimum of -5°C (24°F) to a maximum of 17°C (62°F), with an average of 6°C (43°F). This month experiences significant precipitation, totaling 128 mm (5.0 in) over 18 days, with humidity at 83%. In contrast, October sees a slightly warmer temperature range of 0°C (32°F) to 19°C (67°F) and an average of 10°C (50°F). The month is also a bit wetter, with 139 mm (5.5 in) of precipitation across 20 days and a humidity level of 87%. For more detailed information on October's weather, you can check Donegal weather in October.
In March, the weather is characterized by a wide temperature range with a minimum of -5°C (24°F), an average of 6°C (43°F), and a maximum reaching 17°C (62°F). The month sees relatively high precipitation at 128 mm (5.0 in) over approximately 18 rainy days, accompanied by a humidity level of 83%. In contrast, November experiences slightly milder temperatures, with minima of -4°C (25°F) and an average of 7°C (45°F), peaking at 15°C (58°F). While precipitation is somewhat lower at 116 mm (4.6 in) across about 20 days, the humidity is slightly higher at 88%. Overall, March tends to be warmer during the day but rainier, while November is cool with a high level of humidity. For more detailed information, you can check Donegal weather in November.
In comparing the weather of March and December, we find some interesting similarities and differences. Both months feature an average temperature of around 6°C (43°F), but March experiences a wider range, with temperatures dipping to a minimum of -5°C (24°F) and peaking at 17°C (62°F). In contrast, December's temperatures are milder, ranging from a minimum of -2°C (28°F) to a maximum of 13°C (55°F). Precipitation levels are fairly close, with March receiving 128 mm (5.0 in) across 18 days, while December sees slightly more at 131 mm (5.2 in) over 21 days. Additionally, December has a marginally higher humidity level at 84% compared to March's 83%. For more details on the December climate, you can check out Donegal weather in December.
As March unfolds in Donegal, the weather begins to shift, inviting a graceful transition from the chill of winter to the promise of spring. With average temperatures hovering around a cool 6°C and occasional peaks reaching up to 17°C, the month showcases a balance between brisk days and fleeting warmth. Though it's not uncommon to encounter 18 days of rain, the landscape remains vibrant, with humidity at a noteworthy 83%. This combination of elements sets March apart from the wintery depths of previous months, revealing glimpses of the lush green that Donegal is famed for. For more insights into the weather patterns, visit Donegal Climate.