March Weather in Castlebar, Ireland

Last updated: March 17, 2025

In March, Castlebar, Ireland experiences a dynamic shift in weather, with temperatures ranging from a brisk -5°C (24°F) at night to a pleasant 17°C (62°F) during the day. The average temperature settles around 7°C (44°F), providing a typical early spring chill. With 107 mm (4.2 in) of precipitation over 16 days, residents and visitors can expect a fair amount of rain, contributing to the region's lush greenery. The high humidity level of 87% often accentuates the coolness, making layered clothing a necessity for those exploring the beauty of Castlebar this month.

March Temperature in Castlebar

In Castlebar, Ireland, March marks a notable transition in temperatures as winter begins to give way to spring. With a minimum temperature dipping to -5°C (24°F), locals can still expect chilly nights, yet the average climbs to 7°C (44°F), offering a hint of warmth. As the month progresses, daytime highs can reach up to 17°C (62°F), providing a delightful contrast to the earlier months of the year. This gradual rise in temperature not only heralds the onset of milder weather but also encourages the blossoming of seasonal flora. As one steps into March, the promise of spring is unmistakably in the air, making it an invigorating time to experience the charm of Castlebar.

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

The chart illustrates March temperature patterns in Castlebar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434344485256595855504644
Data source: Temperature data for Castlebar 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 Castlebar

March in Castlebar sees a notable shift in precipitation patterns, featuring an average of 107 mm (4.2 in) of rain over 16 days. This month bridges the chilly conditions of winter and the warmer spring months, showcasing a decline from February's 135 mm while still remaining significantly wetter than the upcoming April, which averages just 63 mm. The increased precipitation presents a lush backdrop as nature begins to bloom, though the frequency of rainy days remains relatively high. This trend hints at the region's shifting climate, where March often serves as a transitional period, offering both wet days and the promise of renewal as the year moves forward.

March Precipitation Trends in Castlebar

The chart displays monthly precipitation patterns in Castlebar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec871351076374879113392127110121
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Castlebar

March in Castlebar, Ireland, sees a slight dip in humidity, measuring 87%, down from the consistent 88% recorded in both January and February. This subtle decrease marks the beginning of a gradual decline in moisture levels as the region transitions into spring. Following March, humidity continues to decrease, hitting its lowest point at 83% in both May and June. However, the trend reverses as autumn approaches, with levels rising again, reaching 91% in October and peaking at 92% in November. Overall, the month of March signifies a subtle shift in humidity, heralding the changing seasons and paving the way for the drier months ahead.

March Average Humidity in Castlebar

This chart illustrates the average monthly humidity levels in Castlebar, 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 Castlebar

As winter fades away, March in Castlebar, Ireland, brings a notable shift in UV index levels, rising to a moderate value of 4. This increase from the low indices seen in January and February encourages residents to be more cautious under the sun, as the burn time decreases to just 30 minutes. With the days gradually lengthening and temperatures warming, it’s important to keep sun safety in mind. As we move into April with its UV index of 5, we can see a clear trend: the importance of protecting our skin becomes progressively more critical as spring advances. To learn more about the UV Index throughout the year, visit Castlebar UV Index.

Maximum UV Index Levels in Castlebar for March

The chart shows the monthly maximum UV Index (UVI) for Castlebar 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Castlebar 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 Castlebar

March marks a delightful shift in Castlebar, Ireland, as the days grow longer and brighter, welcoming 185 hours of sunshine. This increase from February's 136 hours signals the end of winter's gloom and the onset of spring's vitality. As nature awakens, the sunny days continue to climb, leading into April's impressive 316 hours. The trend is clear: with each passing month, Castlebar basks in a growing embrace of sunlight, rejuvenating both the landscape and its residents, paving the way for the vibrant days of summer ahead.

Monthly Sunshine Duration in Castlebar: March Highlighted

The March sunshine duration represents the total number of hours Castlebar 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h136h185h316h396h380h382h334h284h220h114h91h
Data source: Castlebar March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlebar During March

In Castlebar, Ireland, the likelihood of sunny weather takes a notable dip in March, with only 14% chance of sunshine. This marks a decrease from the relatively brighter January and February, which see chances of 27% and 19%, respectively. However, the coming months promise a shift, as April brings a substantial increase to 40%, ushering in the spring with a more favorable forecast. The trend clearly indicates that while March may not boast much in terms of sunshine, it serves as a bridge leading to sunnier days ahead, particularly in late spring when the weather becomes decidedly more agreeable.

Percentage of Sunny Days in March in Castlebar

The chart illustrates the percentage of sunny days in Castlebar 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 Castlebar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%19%14%40%35%16%23%19%14%17%22%14%
Data source: Castlebar March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlebar in March

As winter yields to spring in Castlebar, Ireland, March heralds a significant increase in daylight, offering approximately 11 hours of sunlight that invigorates the landscape and lifts spirits. Following the gradual ascent from 8 hours in January and 9 hours in February, the daylight duration continues its upward trend into April, where it expands further to 14 hours. This noticeable growth not only marks the arrival of longer days but also signifies the season’s transition, bringing vitality to the region after the colder months. With each passing day, Castlebar emerges from the darkness, welcoming the life and energy that longer daylight brings.

Average Daylight Hours in Castlebar for March

The chart illustrates the variation in daylight duration in Castlebar throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 5m9h 48m11h 54m14h 3m15h 57m16h 57m16h 24m14h 42m12h 37m10h 29m8h 34m7h 31m
Data source: Castlebar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Castlebar

March in Castlebar offers a refreshing change in wind dynamics, with an average wind speed of 4.6 m/s (10 mph). This marks a slight decrease from the brisk breezes of February, which reached 5.5 m/s (12 mph). As winter's grip begins to loosen, March introduces a gentle yet invigorating airflow that captivates both locals and visitors. The trend here suggests that as we transition into spring, wind speeds start to stabilize, with April's average dipping down to 3.5 m/s (8 mph), setting the stage for milder conditions ahead. This gradual shift reflects the ebb and flow of nature, making March an ideal time for those who appreciate both clear skies and exhilarating winds.

Average March Wind Speed in Castlebar

The chart displays monthly wind speed patterns in Castlebar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.65.54.6 m/s3.53.83.72.63.43.34.24.34.7
Data source: Castlebar March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Castlebar Compares to Other Months

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

March generally experiences milder temperatures compared to January, with a minimum of -5°C (24°F) and a maximum of 17°C (62°F), resulting in an average of 7°C (44°F). In comparison, January has slightly higher temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), yielding an average of 6°C (43°F). Both months see a significant amount of rainfall, with March receiving 107 mm (4.2 in) over 16 days, while January has 87 mm (3.4 in) spread over 13 days. Humidity levels are quite similar, with March at 87% and January at 88%. For more details on January weather specifically, check out Castlebar weather in January.

When comparing the weather in March to February, we notice that March typically sees a slight increase in average temperatures, with a minimum of -5°C (24°F) and a maximum of 17°C (62°F), compared to February's minimum of -3°C (26°F) and maximum of 15°C (59°F). However, March also experiences a notable drop in precipitation, receiving 107 mm (4.2 in) over 16 days, while February has higher rainfall at 135 mm (5.3 in) across 18 days. Humidity levels remain similar, with March at 87% and February at 88%. For a more detailed look into February weather, you can check Castlebar weather in February.

March and April exhibit notable differences in weather patterns. While March experiences a wider temperature range with a minimum of -5°C (24°F) and a maximum of 17°C (62°F), April sees a milder climate with temperatures ranging from -2°C (28°F) to a maximum of 20°C (69°F). Precipitation also sees a significant decline; March has 107 mm (4.2 in) spread over 16 days, whereas April only records 63 mm (2.5 in) over 11 days. Despite lower rainfall, the humidity levels remain comparable, with March at 87% and April at 86%. For more specific details on April's weather, you can visit Castlebar weather in April.

In March, temperatures are notably cooler, with a minimum of -5°C (24°F) and an average of 7°C (44°F), reaching a maximum of 17°C (62°F). The month is also relatively wet, recording 107 mm (4.2 in) of precipitation over 16 days and maintaining a high humidity level of 87%. In contrast, May offers a more temperate climate, with minimum temperatures around -2°C (29°F) and an average of 11°C (53°F), peaking at 25°C (77°F). Precipitation decreases to 74 mm (2.9 in) across 14 days, and humidity drops slightly to 83%. For more detailed insights, you can explore Castlebar weather in May.

March and June present a striking contrast in weather conditions. In March, temperatures range from a chilly minimum of -5°C (24°F) to a more moderate maximum of 17°C (62°F), with an average of 7°C (44°F). The month is also characterized by higher precipitation, totaling 107 mm (4.2 in) over about 16 rainy days, and a humidity level of 87%. In contrast, June offers much warmer temperatures, with a minimum of 5°C (41°F) and a peak of 28°C (84°F), averaging 13°C (56°F). While June sees slightly lower precipitation at 87 mm (3.4 in) across 17 days, the humidity is marginally lower at 83%. For more specific details on June weather in Castlebar, visit Castlebar weather in June.

March and July exhibit a notable contrast in weather patterns. In March, temperatures range from a chilly minimum of -5°C to a comfortable maximum of 17°C, with an average temperature of 7°C. This month experiences substantial precipitation, totaling 107 mm across 16 days, and humidity levels are relatively high at 87%. Conversely, July offers much warmer conditions, with temperatures ranging from a minimum of 7°C to a maximum of 28°C, giving an average temperature of 15°C. While there is slightly less rainfall in July, with 91 mm recorded over 15 days and a marginally lower humidity of 85%, the overall climate is significantly more pleasant. For a more detailed look at the July weather, check out Castlebar weather in July.

When comparing the weather in March and August, there are notable differences in temperature and precipitation. 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 7°C (44°F). This month experiences significant precipitation, totaling 107 mm (4.2 in) over 16 days, and the humidity is relatively high at 87%.

In contrast, August offers milder conditions with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), averaging at 15°C (59°F). The month sees slightly higher precipitation at 133 mm (5.3 in) spread over 21 days, while humidity remains fairly stable at 85%. For more detailed information about the weather in August, you can visit Castlebar weather in August.

March and September present distinct contrasts in weather. March typically features cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (44°F), peaking at 17°C (62°F). This month is often marked by higher precipitation, with 107 mm (4.2 in) spread across 16 days, accompanied by a humidity level of 87%. In contrast, September brings milder conditions, where temperatures range from a minimum of 2°C (35°F) to an average of 13°C (56°F), reaching a maximum of 25°C (77°F). Although it experiences slightly less precipitation at 92 mm (3.6 in) over 17 days, the humidity remains high at 88%. For more details on September weather specifically, you can visit Castlebar weather in September.

In comparing the weather of March and October, we see distinct differences in temperature and precipitation patterns. March experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (44°F), while October warms up slightly, with a minimum of 0°C (33°F) and an average of 10°C (51°F). Precipitation is more prevalent in October, with 127 mm (5.0 in) falling over 20 days compared to March's 107 mm (4.2 in) across 16 days. Additionally, October has a slightly higher humidity level at 91%, compared to March's 87%. For more details, you can visit Castlebar weather in October.

March and November present a transition in weather patterns, characterized by cooler temperatures and similar precipitation levels. In March, temperatures range from a minimum of -5°C (24°F) to a maximum of 17°C (62°F), with an average of 7°C (44°F) and about 107 mm (4.2 in) of rainfall over 16 days. Conversely, November offers slightly milder conditions, with temperatures ranging from -2°C (29°F) to 15°C (59°F), averaging 8°C (46°F) and accumulating around 110 mm (4.3 in) of precipitation over 17 days. Additionally, humidity levels are higher in November at 92%, compared to March's 87%. For more detailed insights about the weather, check out Castlebar weather in November.

When comparing March and December weather, both months present relatively mild averages, with March seeing a minimum temperature of -5°C (24°F) and a maximum of 17°C (62°F), while December ranges from -3°C (27°F) to 13°C (55°F). Precipitation levels are slightly higher in December, totaling 121 mm (4.8 in) over 19 days compared to March's 107 mm (4.2 in) spread across 16 days. Humidity remains quite consistent, at 87% in March and 89% in December, indicating that both months can feel damp and chilly. For those interested in exploring more about December weather, you can visit Castlebar weather in December.

Compare Castlebar's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Castlebar

As March settles in Castlebar, the weather gradually shifts, presenting a captivating blend of chill and warmth. While the temperatures begin to emerge from winter's grip, they still hover around cool averages, contrasting sharply with the milder months to come. The month is marked by significant rainfall, occurring on nearly half the days, and leaves the landscape lush, if damp. With an average humidity of 87%, the air carries a crispness that is both refreshing and invigorating. This transitional month serves as a reminder of nature's ebb and flow in Castlebar, setting the stage for the bloom of spring ahead. For a more comprehensive understanding of the region's climate throughout the year, visit Castlebar Climate.