July Weather in Castlebar, Ireland

Last updated: March 17, 2025

In Castlebar, Ireland during July, weather enthusiasts can expect a captivating mix of warm and damp conditions. With maximum temperatures reaching up to 28°C (83°F) and an average around 15°C (59°F), the month offers a delightful summer experience. However, visitors should prepare for the cooler evenings, where temperatures can dip to a minimum of 7°C (44°F). The region sees considerable precipitation with approximately 91 mm (3.6 in) spread over 15 days, contributing to a robust humidity level of 85%. Despite the rain, the lush landscapes and vibrant atmosphere make Castlebar a picturesque destination to explore in July.

July Temperature in Castlebar

In Castlebar, Ireland, July ushers in the heart of summer, bringing a delightful warmth with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (83°F). The average temperature hovers around 15°C (59°F), creating inviting conditions for outdoor activities and exploration. This month stands out as a peak for warmth, following the gradual increase from earlier months, particularly the significant leap from June’s averages. July’s weather epitomizes the essence of Irish summer, where sunny days blend seamlessly with occasional refreshing breezes, making it an ideal time for locals and visitors alike to revel in the beauty of the countryside. In essence, the pleasant summer temperatures of July signify a delightful transition from the cooler months, fostering a vibrant atmosphere in Castlebar.

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

The chart illustrates July 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.

July Precipitation in Castlebar

In July, Castlebar experiences a moderate precipitation level of 91 mm (3.6 in), marking a slight increase from the preceding month of June, which recorded 87 mm. Rainfall grips the area for about 15 days, creating a humid backdrop amid the summer warmth. This consistent pattern of summer rain sets the stage for lush landscapes, with July acting as a transitional bridge toward the wetter months ahead, notably August, which typically sees a sharp rise in both precipitation to 133 mm (5.3 in) and rainy days, hitting 21 days. Thus, while July’s rainfall provides a pleasant respite, it also hints at the approaching shift to a more rain-soaked season.

July Precipitation Trends in Castlebar

The chart displays monthly precipitation patterns in Castlebar, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec871351076374879113392127110121
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Castlebar

In Castlebar, Ireland, July experiences an average humidity of 85%, reflecting a slight drop from the peak of 88% observed in the earlier winter months. As summer unfolds, the humidity levels begin to stabilize, aligning closely with the 85% humidity recorded in August. This trend indicates a transition from the high moisture levels typical of winter, where humidity hovers around 88% to 92%, towards a more moderate summer climate. While July's humidity is lower than the chillier months, it remains significant enough to keep the lush landscapes vibrant, encapsulating the essence of a classic Irish summer.

July Average Humidity in Castlebar

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

July UV Index in Castlebar

July in Castlebar, Ireland, sees the UV Index peak at 8, categorizing the exposure level as very high. This indicates a substantial increase in sun intensity, consistent with the trend observed since June. During this month, sun-seekers need to exercise caution as the potential burn time is reduced to just 15 minutes. As we transition into the summer months, the patterns reflect greater sun exposure, emphasizing the importance of taking protective measures against harmful UV rays. For more detailed insights, visit Castlebar UV Index.

Maximum UV Index Levels in Castlebar for July

The chart shows the monthly maximum UV Index (UVI) for Castlebar in July, 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 July 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.

July Sunshine in Castlebar

July in Castlebar, Ireland, basks in a warm embrace of sunshine, boasting 382 hours of bright, cheerful light. This sunny month comfortably follows June's impressive 380 hours, hinting at a delightful summer continuity. As summer peaks, the sun's reign contrasts sharply with the earlier months, where January struggles with a mere 72 hours of sunlight. Following a steady upward climb from the brisk winter months, the spring's gradual increase culminates in summer's vibrant glow. While the days start to shorten in August with 334 hours, July stands out, marking a crucial midpoint of the year where light and warmth reach their zenith, inviting residents and visitors alike to revel in the beauty of the Irish summer.

Monthly Sunshine Duration in Castlebar: July Highlighted

The July sunshine duration represents the total number of hours Castlebar experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec72h136h185h316h396h380h382h334h284h220h114h91h
Data source: Castlebar July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlebar During July

In Castlebar, Ireland, July typically enjoys a modest 23% chance of sunny weather, surpassing the gloomier winter months but falling short of the brighter spring days, which peak at 40% in April. Interestingly, while May offers a promising 35%, the sunny disposition seems to dip again as summer unfolds. This trend indicates that while July is a step up from the preceding June at 16%, it remains among the lower probabilities for sunshine in the summer months, making it a time for both optimism and a little caution when planning outdoor activities. Overall, July offers a blend of hope and typical Irish unpredictability when it comes to summer sunshine.

Percentage of Sunny Days in July in Castlebar

The chart illustrates the percentage of sunny days in Castlebar throughout the year, with July 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 July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlebar in July

In Castlebar, Ireland, July is a continuation of the long, sunlit days that characterize mid-summer, boasting an impressive 16 hours of daylight. This peak in daylight duration reflects a gradual increase from the longer winter nights of January and February, where daylight is restricted to 8 to 9 hours. As spring unfolds, days lengthen significantly, culminating in June’s 16 hours, before holding steady through July. Following this summer zenith, daylight begins to taper off in August with 14 hours, signaling the slow transition into autumn, where daylight dwindles to 12 hours in September and further decreases as winter looms. This pattern highlights not only the seasonal shifts in daylight hours but also the dramatic contrast between the vibrant summer months and the subdued winter days in Castlebar.

Average Daylight Hours in Castlebar for July

The chart illustrates the variation in daylight duration in Castlebar throughout the year, with July 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.

July Winds in Castlebar

In Castlebar, Ireland, the month of July presents a noticeable dip in average wind speed, clocking in at a gentle 2.6 m/s (6 mph). This decrease marks the calmest period of the year, a stark contrast to the bustling winds of earlier months like February and March, which saw averages of 5.5 m/s (12 mph) and 4.6 m/s (10 mph) respectively. Following the mild winds of July, the conditions pick up slightly through August with an average of 3.4 m/s (8 mph), suggesting a gradual return to more typical summer breezes. Overall, this trend highlights not only the serene charm of a July day in Castlebar but also sets the stage for a shift back to more lively winds as the summer progresses into autumn.

Average July Wind Speed in Castlebar

The chart displays monthly wind speed patterns in Castlebar, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.65.54.63.53.83.72.6 m/s3.43.34.24.34.7
Data source: Castlebar July wind data, generated using information from the Copernicus Climate Change Service.

How July 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 July'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.

July and January present contrasting weather experiences in Castlebar. July boasts a milder climate with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). Although it experiences more rainfall, with total precipitation at 91 mm (3.6 in) over 15 days, the humidity remains relatively high at 85%. In contrast, January brings colder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), averaging around 6°C (43°F). The month is slightly drier, recording 87 mm (3.4 in) of precipitation over 13 days and a higher humidity of 88%. For those interested in January weather specifics, more details can be found here: Castlebar weather in January.

In comparing the weather of July and February, July typically offers a much warmer atmosphere, with temperatures ranging from a mild 7°C (44°F) to a pleasant maximum of 28°C (83°F). In contrast, February experiences colder conditions, with temperatures fluctuating between a chilly -3°C (26°F) and a maximum of only 15°C (59°F). Additionally, February sees higher precipitation, averaging 135 mm (5.3 in) over 18 days, compared to July's 91 mm (3.6 in) across 15 days. Humidity is relatively high in both months, with July at 85% and February slightly higher at 88%. For more details on the weather in February, you can refer to Castlebar weather in February.

In comparing the weather between July and March, one can observe notable differences in temperature and precipitation patterns. July typically experiences warmer temperatures, with a minimum of 7°C (44°F), an average of 15°C (59°F), and a maximum of 28°C (83°F). In contrast, March is much cooler, with a minimum temperature dropping to -5°C (24°F) and an average reaching only 7°C (44°F), peaking at 17°C (62°F). While both months experience considerable rainfall, March sees slightly higher precipitation at 107 mm (4.2 in) over 16 days, compared to July's 91 mm (3.6 in) over 15 days. Additionally, humidity levels are quite high in both months, with July at 85% and March at 87%. For more detailed information on March weather, you can visit Castlebar weather in March.

In comparing the weather between July and April, it’s clear that July experiences significantly warmer temperatures, with an average of 15°C (59°F) compared to April's cooler 9°C (48°F). July boasts a maximum temperature of 28°C (83°F), while April peaks at 20°C (69°F). Despite both months having relatively high humidity levels—85% in July and 86% in April—July sees more rainfall overall, with 91 mm (3.6 in) over 15 days, compared to April's 63 mm (2.5 in) over 11 days. For those interested in weather specifics for April, further details can be found at Castlebar weather in April.

When comparing the weather in July and May, notable differences emerge. July tends to be warmer, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), while May experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 25°C (77°F). Additionally, July sees more precipitation at 91 mm (3.6 in) over 15 days compared to May’s 74 mm (2.9 in) over 14 days. Humidity levels are slightly higher in July at 85%, while May maintains a comfortable 83%. For more specifics, you can check out Castlebar weather in May.

In comparing the weather between July and June, both months showcase similar maximum temperatures, with July peaking at 28°C (83°F) and June at 28°C (84°F). However, July experiences a slightly warmer average temperature of 15°C (59°F) compared to June's 13°C (56°F), and it has a marginally higher minimum temperature of 7°C (44°F) versus June's 5°C (41°F). Precipitation levels are comparable, with July totaling 91 mm (3.6 in) over 15 days and June recording 87 mm (3.4 in) over 17 days. Humidity remains relatively high in both months, with July at 85% and June at 83%. For a more detailed look at June's weather, you can visit Castlebar weather in June.

In comparing the weather of July and August, July experiences slightly warmer temperatures with a minimum of 7°C (44°F) and a maximum of 28°C (83°F), while August sees a cooler minimum of 6°C (43°F) and a reduced maximum of 23°C (74°F). Both months have the same average temperature of 15°C (59°F). However, August is notably wetter, with precipitation rising to 133 mm (5.3 in) over 21 days compared to July’s 91 mm (3.6 in) over 15 days. The humidity remains consistent at 85% for both months, adding to the overall dampness in August. For further details, check out the Castlebar weather in August.

In July, the weather tends to be warmer with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). While precipitation is similar in both months at 91 mm (3.6 in), July experiences rain on about 15 days, accompanied by a humidity level of 85%. In contrast, September sees cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 25°C (77°F), averaging 13°C (56°F). Although precipitation slightly increases to 92 mm (3.6 in) over 17 days and humidity increases to 88%, September weather can feel crisper and more refreshing. For more detailed information, check out Castlebar weather in September.

In July, temperatures range from a minimum of 7°C to a maximum of 28°C, with an average of 15°C, while October sees cooler temperatures, with a minimum of 0°C, an average of 10°C, and a maximum of 20°C. July tends to be drier with 91 mm of precipitation spread across 15 days, compared to October, which experiences more rainfall, totaling 127 mm over 20 days. Humidity levels are also slightly higher in October at 91%, compared to 85% in July. For a detailed look at the weather conditions in October, you can check Castlebar weather in October.

July and November exhibit significantly different weather patterns. In July, temperatures range from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month is relatively warm, with 91 mm (3.6 in) of precipitation over approximately 15 days and a humidity level of 85%. In contrast, November cools down substantially, featuring temperatures that vary from a minimum of -2°C (29°F) to a maximum of 15°C (59°F), averaging just 8°C (46°F). This month experiences slightly higher precipitation, totaling 110 mm (4.3 in) across 17 days, and humidity rises to 92%. For a more detailed look at November's conditions, check out Castlebar weather in November.

July and December present contrasting weather patterns. In July, temperatures range from a minimum of 7°C to a maximum of 28°C, with an average of 15°C, making it one of the warmer months of the year. This period experiences significant humidity at 85% and moderate precipitation totaling 91 mm over 15 days. In contrast, December brings cooler conditions, with temperatures dropping to a minimum of -3°C and a maximum of 13°C, averaging around 7°C. The month is wetter, with 121 mm of precipitation across 19 days and slightly higher humidity at 89%. For more specific insights, check out Castlebar weather in December.

Compare Castlebar's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Castlebar

July in Castlebar presents a distinctive shift in weather compared to other months, featuring warmer temperatures that can soar to a maximum of 28°C (83°F), while still maintaining a comfortable average of 15°C (59°F). This month also tends to be more humid, with levels reaching around 85%, and experiences a fair amount of rain, totaling about 91 mm (3.6 inches) over approximately 15 days. This blend of warmth and humidity makes July a unique month that contrasts sharply with the cooler and often drier conditions found in the preceding summer months. For a deeper understanding of Castlebar's weather patterns, visit Castlebar Climate.