March Weather in Shannon, Ireland

Last updated: March 17, 2025

March in Shannon, Ireland, is characterized by mild yet unpredictable weather. Temperatures typically range from a maximum of 17°C (63°F) to a refreshing minimum of -6°C (21°F), with an average around 7°C (45°F). This month sees significant rainfall, accumulating to approximately 105 mm (4.1 in) over 17 days, contributing to the region's high humidity level of 87%. These conditions create a vibrant and lush landscape, ideal for those who appreciate the beauty of early spring in Ireland.

March Temperature in Shannon

As March unfolds in Shannon, Ireland, the temperatures begin to soften, marking the transition from winter to spring. With minimums dropping to -6°C (21°F), the chill of early spring is still felt, but the average temperature rises to a mild 7°C (45°F), suggesting a gentle awakening of the landscape. On brighter days, highs can reach 17°C (63°F), providing a glimpse of warmer days ahead. This month not only heralds a gradual increase in temperatures but also lays the groundwork for the more temperate weather that is soon to follow. As winter retreats, the slight warmth serves as an invitation to explore the beautiful Irish countryside as it begins to bloom.

March Weather in Shannon: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Shannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434444485357605956514644
Data source: Temperature data for Shannon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Shannon

March in Shannon, Ireland, presents a notable shift in precipitation patterns, showcasing a total of 105 mm (4.1 in) of rainfall across 17 days. This marks a slight decrease from the previous month of February, which experienced a wetter spell with 121 mm (4.8 in) over 18 days. Despite the drop, March's rainfall remains significant, contributing to the region's lush greenery. As the month transitions into spring, one can observe a trend of diminishing precipitation, with April expected to bring even lighter showers, amounting to just 58 mm (2.3 in) across 12 days. This pattern suggests an ebbing of winter's relentlessness, paving the way for milder and drier days ahead in Shannon.

March Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75121105587271791269110698123
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Shannon

As March arrives in Shannon, Ireland, the humidity begins to ease slightly, registering at 87%, just a notch below the consistent 88% seen in the preceding winter months of January and February. This gradual decline hints at the subtle transition toward spring, where the air feels a bit crisper yet retains considerable moisture. As the year progresses, humidity continues to drop, reaching 86% in April and further easing to 83% by May and June. This trend illustrates the shift to a drier climate as the region approaches the summer months, making March a pivotal point in the annual humidity cycle, maintaining a lush but slightly less moist atmosphere compared to its winter counterparts.

March Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Shannon

As March rolls into Shannon, Ireland, the UV Index begins to climb, reaching a moderate level of 4. This marks a notable shift from the low exposure categories seen in the earlier months of the year, as residents can expect a burn time of 30 minutes with unprotected skin. The gradual increase in UV intensity hints at the approaching spring, encouraging locals to enjoy the outdoors while remaining mindful of sun protection. Following March, April continues this trend with an even higher index of 5, setting the stage for sunnier days ahead. For more detailed information about UV levels throughout the year, check out the Shannon UV Index.

Maximum UV Index Levels in Shannon for March

The chart shows the monthly maximum UV Index (UVI) for Shannon in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Shannon March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Shannon

March marks a delightful transition in Shannon, Ireland, as the days grow longer and sunnier, boasting 179 hours of sunshine—an impressive increase from 131 hours in February. This upward trend continues into April, where the hours surge to 292, signaling the arrival of spring in full bloom and an invitation to enjoy the great outdoors. As the seasons unfold, the sunshine hours peak in May at 382, showcasing the beauty of Irish spring and early summer. This steady climb from the winter months reflects a growing warmth and vitality, making Shannon a charming destination for those seeking a sunny escape as winter fades away.

Monthly Sunshine Duration in Shannon: March Highlighted

The March sunshine duration represents the total number of hours Shannon experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec77h131h179h292h382h367h373h323h277h220h118h95h
Data source: Shannon March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shannon During March

In Shannon, Ireland, the likelihood of enjoying sunny weather takes a noticeable dip in March, with only a 17% chance of sunshine. This is part of a broader trend where the early months of the year, particularly January and February, show slightly higher probabilities of sun at 29% and 21% respectively. As spring approaches, April revitalizes the forecast with a significant increase to 45% chance of sunny days, suggesting that patience may be rewarded for those hoping for brighter skies. Overall, as the year progresses, the chances of sunlight fluctuate, with March standing out as a particularly cloudy period before the optimism of spring sets in.

Percentage of Sunny Days in March in Shannon

The chart illustrates the percentage of sunny days in Shannon throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Shannon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%21%17%45%30%19%26%22%16%17%24%19%
Data source: Shannon March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shannon in March

As March unfolds in Shannon, Ireland, the days begin to stretch with an exhilarating increase in daylight, boasting around 11 hours of sunlight. This noticeable rise from 9 hours in February showcases the transition into spring, where nature awakens and brighter days invite outdoor exploration. The pattern continues into April and May, with daylight expanding further to 13 and 15 hours, respectively, offering a glimpse of the long, sun-drenched days of summer ahead. This progression not only signals a change in season but also ignites a sense of renewal as the landscape transforms with blooming flora and vibrant hues, encouraging both locals and visitors to revel in the splendor of Shannon's natural beauty.

Average Daylight Hours in Shannon for March

The chart illustrates the variation in daylight duration in Shannon throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 46m16h 15m14h 36m12h 36m10h 32m8h 41m7h 41m
Data source: Shannon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Shannon

In March, Shannon, Ireland experiences an average wind speed of 4.0 m/s (9 mph), marking a slight decline from the 5.1 m/s (12 mph) observed in February. This gentle breeze feels refreshing as winter transitions into spring, providing a sense of renewal in the air. As the months change, wind speeds fluctuate, with April dipping further to 3.2 m/s (7 mph), suggesting a calm yet invigorating atmosphere typical of early spring. Overall, March stands out as a time when the winds soften and herald the emerging warmth of the season, contrasting sharply with the brisker gusts of winter.

Average March Wind Speed in Shannon

The chart displays monthly wind speed patterns in Shannon, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.65.14.0 m/s3.23.63.32.63.23.13.93.64.3
Data source: Shannon March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Shannon Compares to Other Months

The weather in Shannon 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 Shannon and find detailed weather information for every month.

In comparing the weather of March and January, we notice that March tends to be slightly warmer, with average temperatures rising to 7°C (45°F) compared to January's average of 6°C (43°F). The maximum temperatures in March reach up to 17°C (63°F), while January peaks at 14°C (58°F), indicating a gradual warming as winter transitions to spring. However, March is wetter, experiencing an average precipitation of 105 mm (4.1 in) over 17 days, compared to January's 75 mm (3.0 in) over 13 days. Humidity levels remain similar, slightly higher in March at 87% compared to January's 88%. For more details on January’s weather, you can check Shannon weather in January.

In comparison to February, March experiences slightly warmer temperatures, with average highs reaching 17°C (63°F) compared to February's maximum of 15°C (60°F). The minimum temperature in March is also a bit lower, at -6°C (21°F), versus February's -3°C (27°F). Precipitation levels are slightly reduced in March, with 105 mm (4.1 in) falling over 17 days, while February sees 121 mm (4.8 in) over 18 days, creating a wetter month overall. Humidity remains relatively high in both months, with March at 87% and February at 88%. For further details, you can check Shannon weather in February.

March tends to be significantly cooler and wetter than April, with average temperatures ranging from a chilly -6°C (21°F) to a milder 17°C (63°F), while April sees temperatures between -2°C (28°F) and 21°C (70°F). March experiences a higher level of precipitation, measuring 105 mm (4.1 in) over 17 days, compared to April's 58 mm (2.3 in) across just 12 days. Additionally, March has a slightly higher humidity level at 87%, while April is slightly drier at 86%. For a closer look at the weather specifics in April, you can check Shannon weather in April.

March and May present quite distinct weather patterns. In March, temperatures can drop as low as -6°C (21°F), with average highs around 7°C (45°F) and maximums reaching 17°C (63°F). The month is notably wet, with a total precipitation of 105 mm (4.1 in) over 17 days and a high humidity level of 87%. In contrast, May brings a more moderate climate, with temperatures ranging from 0°C (32°F) at night to a pleasant 25°C (77°F) during the day. Rainfall decreases to 72 mm (2.8 in) over just 13 days, and humidity is slightly lower at 83%. Overall, May is characterized by warmer temperatures and less precipitation, making it a more enjoyable time to be outdoors. For specific details on Shannon weather in May, click the link.

When comparing the weather in March and June, there's a notable shift in temperature and precipitation patterns. March experiences a chilly range with minimum temperatures dipping as low as -6°C (21°F), averaging around 7°C (45°F), and peaking at 17°C (63°F). The month sees considerable precipitation, totaling 105 mm (4.1 in) over 17 days, contributing to a high humidity level of 87%.

In contrast, June brings a warmer and more pleasant climate, with minimum temperatures starting at 5°C (42°F) and reaching an average of 14°C (58°F), and highs soaring up to 30°C (86°F). Rainfall decreases to 71 mm (2.8 in) spread over 15 days, and humidity slightly drops to 83%. Overall, June is significantly warmer and drier than March, setting the stage for outdoor activities. For more details, visit Shannon weather in June.

When comparing the weather in March and July, notable differences emerge in temperature, precipitation, and humidity. March experiences a chillier climate, with minimum temperatures dropping to -6°C (21°F) and an average of 7°C (45°F), while July enjoys warmer conditions, with minimum temperatures around 7°C (44°F) and an average of 16°C (61°F), reaching highs of 29°C (84°F). Precipitation is slightly higher in March at 105 mm (4.1 in) over 17 days, compared to July's 79 mm (3.1 in) over just 13 days, making July generally drier. Humidity levels are similar, with March at 87% and July slightly lower at 85%. For a detailed look at July’s weather specifics, you can check out Shannon weather in July.

In March, the weather is cool, with temperatures ranging from a chilly -6°C (21°F) at night to a mild 17°C (63°F) during the day, accompanied by high humidity levels of 87%. Precipitation is relatively frequent, with about 105 mm (4.1 in) falling over 17 days. In contrast, August offers warmer temperatures, starting at a comfortable 6°C (43°F) in the early morning and peaking at 24°C (76°F), with an average temperature of 15°C (59°F). Although August sees slightly more precipitation at 126 mm (5.0 in) over 19 days, the humidity remains similar at 85%. For more insights into weather conditions during this month, check out Shannon weather in August.

March and September display distinct weather patterns. In March, temperatures range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 17°C (63°F), with an average of 7°C (45°F). The month experiences considerable precipitation, totaling 105 mm (4.1 in) over 17 days, accompanied by high humidity levels of 87%. Conversely, September offers milder temperatures, with a minimum of 1°C (35°F) and a maximum of 26°C (80°F), averaging 13°C (56°F). Precipitation slightly decreases to 91 mm (3.6 in) spread over 16 days, while humidity remains comparable at 88%. For a closer look at what to expect during this month, check out Shannon weather in September.

In March, temperatures typically range from a chilly -6°C (21°F) at night to a mild 17°C (63°F) during the day, with an average of 7°C (45°F). The month sees about 105 mm (4.1 in) of precipitation over 17 days, with humidity levels at 87%. In contrast, October experiences a slight increase in daily temperatures, ranging from 0°C (32°F) to a comfortable 19°C (67°F), with an average of 11°C (51°F). While the total precipitation is similar at 106 mm (4.2 in) over 16 days, humidity levels rise to 91%. Thus, while both months are relatively wet and cool, October offers slightly milder temperatures and higher humidity. For more information on October weather, you can check Shannon weather in October.

March and November present distinct weather patterns, showcasing the transition between winter and late autumn. In March, temperatures can drop as low as -6°C (21°F) and average around 7°C (45°F), with highs reaching 17°C (63°F). This month experiences considerable precipitation, totaling 105 mm (4.1 in) over approximately 17 days, accompanied by high humidity levels at 87%. In contrast, November features slightly milder temperatures, with a minimum of -2°C (28°F) and an average of 8°C (46°F), peaking at 16°C (61°F). While precipitation is slightly less at 98 mm (3.8 in) over 16 days, November's humidity rises to 92%, indicating a more damp atmosphere. For more insights on weather conditions during this time, visit Shannon weather in November.

March and December exhibit relatively mild temperatures, with both months averaging around 7°C (45°F). However, March experiences a slightly broader temperature range, with minimums dipping to -6°C (21°F) and maximums reaching 17°C (63°F), offering some warmer days compared to December's maximum of 14°C (57°F). Both months see significant precipitation, with March totaling 105 mm (4.1 in) over 17 days and December slightly wetter at 123 mm (4.8 in) across 18 days. Humidity levels are comparable, hovering around 87% in March and slightly higher at 89% in December. For more specifics on weather conditions, you can check Shannon weather in December.

Compare Shannon's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Shannon

As March unfolds in Shannon, the weather showcases a distinct transition, differentiating itself from the more stable conditions of winter and the often-chilly temperatures of early spring. With a maximum temperature of 17°C (63°F), March invites a glimmer of warmth, while the average temperature of 7°C (45°F) hints at lingering coolness, especially during the brisk nights that can drop as low as -6°C (21°F). This month also embraces the rain, averaging 105 mm (4.1 in) over 17 days, making it one of the wetter periods of the year. The high humidity at 87% adds a unique, crisp quality to the air, setting the stage for the vibrant growth of spring. For a more detailed look at how Shannon's weather evolves throughout the year, explore Shannon Climate.