July Weather in Port Erin, Isle of Man

Last updated: August 21, 2025

July in Port Erin, Isle of Man, offers a pleasant maritime climate characterized by mild temperatures. The month sees maximum temperatures reaching 19°C (67°F), with an average of 14°C (58°F) and a minimum of 12°C (53°F). While sunshine graces the town, expect occasional rain, as precipitation totals around 70 mm (2.8 in) spread over approximately 12 days. The humidity levels linger at a comfortable 78%, creating a refreshing coastal atmosphere perfect for exploring the natural beauty of this idyllic island. Enjoy the charm of Port Erin as summer unfolds with its unique blend of sun and occasional showers.

July Temperature in Port Erin

In July, Port Erin, Isle of Man, basks in the warmth of summer, with temperatures steadily rising from the earlier months of the year. The minimum temperature reaches a comfortable 12°C (53°F), while the average hovers around 14°C (58°F), creating a pleasant atmosphere for outdoor activities. Daytime peaks can reach a balmy 19°C (67°F), marking July as one of the warmest months in this coastal destination. This noticeable rise in temperatures from June's averages is indicative of the island's mild maritime climate, offering a refreshing contrast to the cooler winter months. Overall, July invites visitors to enjoy the scenic beauty of Port Erin under the inviting summer sun.

July Weather in Port Erin: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Port Erin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Erin, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545475155585958555047
Data source: Temperature data for Port Erin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Port Erin

In July, Port Erin experiences a steady rhythm of rainfall, with precipitation amounting to 70 mm (2.8 in) over approximately 12 days. This mirrors June’s rainfall, illustrating a consistent pattern as summer unfolds. Although slightly drier than some other months, the midsummer showers contribute positively to the region’s lush landscapes, providing essential moisture during the growing season. As the month transitions into August, rainfall is expected to increase, but the moderate July precipitation sets a balanced tone, inviting both sun and rain lovers to enjoy the beauty of the Isle of Man.

July Precipitation Trends in Port Erin

The chart displays monthly precipitation patterns in Port Erin, 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. In Port Erin, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8110687364470709492142144144
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Port Erin

In July, Port Erin experiences a notable dip in humidity, averaging 78%, which is one of the lowest levels throughout the year. This decrease follows a gradual decline from the winter months, where humidity peaks at 91% in November, and settles around 81% in June. The summer air feels fresher with this lower humidity, allowing residents and visitors to enjoy the stunning landscapes and coastal activities with a comfortable, crisp atmosphere. As the season transitions into August, humidity levels slightly rise again, making July a sweet spot for those seeking a drier climate on the picturesque Isle of Man.

July Average Humidity in Port Erin

This chart illustrates the average monthly humidity levels in Port Erin, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Port Erin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Port Erin

In July, Port Erin, Isle of Man, experiences a very high UV Index of 8, similar to June's record, contributing to an increased risk of sunburn with a burn time of just 15 minutes. This peak in UV radiation marks the summer's intensity, following a gradual rise from a moderate index of 3 in March and 5 in April. As summer progresses, the UV Index hits its highest during July before a slight decrease in August, returning to a high rating of 7. Residents and visitors alike should take precautions such as wearing sunscreen and protective clothing during this time. For more details on the UV Index trends throughout the year, visit Port Erin UV Index.

Maximum UV Index Levels in Port Erin for July

The chart shows the monthly maximum UV Index (UVI) for Port Erin 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. In July, the maximum UV index in Port Erin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Port Erin 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 Port Erin

July in Port Erin, Isle of Man, shines brightly with 418 hours of sunshine, matching the glorious weather of May. This peak in daylight follows a consistent upward trend from January's mere 90 hours, showcasing the island's transition into the warm summer months. As spring progressed, sunshine hours surged, reaching impressive totals in April (341 hours) and June (411 hours). While July maintains this radiance, the golden rays begin to wane in August, dipping to 376 hours, hinting at the slower pace of late summer. This pattern paints a vibrant picture of Port Erin, where summer sunlight orchestrates an enchanting atmosphere, inviting both locals and visitors to bask in the warmth.

Monthly Sunshine Duration in Port Erin: July Highlighted

The July sunshine duration represents the total number of hours Port Erin 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h161h233h341h418h411h418h376h314h244h131h104h
Data source: Port Erin July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Erin During July

In Port Erin, Isle of Man, July offers a promising opportunity for sun seekers, boasting a 40% chance of sunny weather. This figure is notably higher than the sun probabilities in the preceding months, reflecting a welcome shift towards more favorable conditions as summer progresses. Following the vibrant April, with its 52% likelihood of sunshine, July maintains a consistently bright outlook, aligning closely with May's 40%. As the year moves into late summer, the likelihood tends to dip again, highlighting July as a prime time for enjoying the outdoors under sunny skies. Overall, July stands out as one of the best months to soak in the warmth and beauty of Port Erin.

Percentage of Sunny Days in July in Port Erin

The chart illustrates the percentage of sunny days in Port Erin 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 Port Erin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%26%25%52%40%29%40%29%24%22%22%21%
Data source: Port Erin July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Erin in July

In July, Port Erin basks in approximately 16 hours of daylight, a slight dip from the previous month’s peak of 17 hours in June. This pattern reflects a gradual, yet predictable, shift as summer reaches its zenith, with the longest days beginning to wane. The increasing daylight from January's modest 8 hours to the lush 16 hours of May creates a vibrant backdrop for outdoor pursuits, allowing residents and visitors alike to fully embrace the scenic beauty of the Isle of Man. Following July, daylight continues to decline, leading into the cozy ambiance of autumn months, where 14 hours of sun greet August, eventually tapering down to October's 10 hours. This rhythmic transition captures the ever-changing dance of the seasons, inviting all to savor the fleeting bright days of summer.

Average Daylight Hours in Port Erin for July

The chart illustrates the variation in daylight duration in Port Erin throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h9h 46m11h 54m14h 5m16h 1m17h 2m16h 29m14h 45m12h 38m10h 28m8h 30m7h 26m
Data source: Port Erin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Port Erin

In July, Port Erin experiences a notable dip in average wind speed, hovering at a gentle 4.3 m/s (10 mph). This is the calmest month of the year, following a steady increase in wind intensity from the earlier months. The transition from the more brisk spring months, with averages around 5.8 m/s (13 mph) in April and climbing to 6.6 m/s (15 mph) in June, showcases a shift as summer arrives. As the winds soften in July, the tranquil breezes provide a perfect backdrop for leisurely seaside strolls and sun-soaked days by the shore. This calming wind pattern contrasts sharply with the stronger gusts that emerge again in the autumn, particularly in October, where the average rises dramatically to 9.3 m/s (21 mph).

Average July Wind Speed in Port Erin

The chart displays monthly wind speed patterns in Port Erin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.510.58.55.86.46.64.3 m/s5.76.09.39.39.1
Data source: Port Erin July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Port Erin Compares to Other Months

Weather in Port Erin varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Port Erin, focusing on differences in temperature, rainfall, humidity, and UV levels.

July and January present distinct contrasts in weather. July boasts milder temperatures, with averages ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), while January is significantly cooler, featuring a temperature range from 3°C (38°F) to 13°C (56°F). Precipitation is relatively close in both months, with July receiving 70 mm (2.8 in) over 12 days and January experiencing slightly more at 81 mm (3.2 in) across 14 days. Additionally, humidity levels are higher in January at 89%, compared to 78% in July, making the winter months feel more damp and chilly. For more detailed insights, you can check Port Erin weather in January.

In comparing the weather between July and February, it's evident that July enjoys milder temperatures, with an average of 14°C (58°F) compared to February's cooler average of 7°C (45°F). The maximum temperatures in July reach 19°C (67°F), significantly higher than February's 12°C (54°F). However, February sees more rain, with total precipitation of 106 mm (4.2 in) over 18 days, whereas July has 70 mm (2.8 in) of rain over 12 days, making it slightly drier. Additionally, February's humidity is higher at 88%, compared to July's 78%, contributing to a more damp and chilly atmosphere. For more detailed insights on February weather patterns, you can check Port Erin weather in February.

In comparing the weather between July and March, notable differences emerge in both temperature and precipitation patterns. July typically enjoys milder temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), averaging around 14°C (58°F). This summer month experiences about 70 mm (2.8 in) of precipitation over approximately 12 days, coupled with a humidity level of 78%. In contrast, March presents a cooler climate with temperatures fluctuating from a minimum of -1°C (30°F) to a maximum of 11°C (52°F), and an average of 7°C (45°F). This early spring month is also wetter, receiving around 87 mm (3.4 in) of rainfall over 18 days, with higher humidity at 86%. For more detailed insights, you can visit Port Erin weather in March.

When comparing the weather in July and April, significant differences become apparent. July experiences warmer temperatures, with a minimum of 12°C (53°F) and an average high of 19°C (67°F), in contrast to April's cooler temperatures that range from a minimum of 3°C (38°F) to a maximum of 13°C (56°F). Precipitation levels are also higher in July, with 70 mm (2.8 in) over 12 days, compared to April's 36 mm (1.4 in) across 8 days. Additionally, humidity is slightly lower in July at 78%, while April tends to be more humid at 84%. For more detailed information, you can visit Port Erin weather in April.

In comparing the weather between July and May, July generally offers warmer temperatures, with an average of 14°C (58°F) compared to May's 10°C (51°F). The maximum temperatures also reflect this trend, reaching up to 19°C (67°F) in July, while May peaks at 16°C (60°F). However, July experiences more precipitation, totaling 70 mm (2.8 in) over 12 days, compared to May's 44 mm (1.7 in) over 9 days. Both months have similar humidity levels, with July at 78% and May slightly higher at 79%. For more details on May weather, you can check Port Erin weather in May.

In comparing the weather of July and June, July tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), whereas June sees temperatures from a minimum of 9°C (49°F) to a maximum of 17°C (64°F). Both months experience similar precipitation levels of 70 mm (2.8 in), with July seeing rain on 12 days compared to June's 11 days. Humidity is slightly lower in July at 78%, compared to 81% in June. For more detailed information about June's weather, visit Port Erin weather in June.

In comparing the weather of July and August, both months exhibit a relatively mild climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F) in July, and 12°C (54°F) to 18°C (65°F) in August. August tends to be slightly warmer on average, with an increase to 15°C (59°F) compared to July's average of 14°C (58°F). However, August also experiences more precipitation, totaling 94 mm (3.7 in) over 15 days, compared to July's 70 mm (2.8 in) over 12 days. Humidity remains quite similar, with July at 78% and August slightly higher at 79%. For more detailed insights into August weather, you can visit Port Erin weather in August.

In comparing the weather between July and September, both months exhibit similar average temperatures, hovering around 14°C (58°F), with maximums reaching 19°C (67°F). However, July tends to be slightly warmer at night with a minimum temperature of 12°C (53°F), compared to September's 10°C (51°F). Precipitation levels also differ, with July receiving 70 mm (2.8 in) of rain over 12 days, while September experiences a higher total of 91 mm (3.6 in) across 14 days. Additionally, humidity increases in September to 85%, up from July's 78%. This shift contributes to a more damp atmosphere in September. For more detailed information, you can visit Port Erin weather in September.

In July, the weather tends to be milder, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), accompanied by a relatively moderate precipitation level of 70 mm (2.8 in) over 12 days and a humidity of 78%. In contrast, October sees a decrease in temperatures, with averages from 7°C (45°F) to 17°C (63°F), while the precipitation significantly increases to 142 mm (5.6 in) over 18 days and humidity levels rise to 90%. These changes indicate a transition into the more unpredictable and wetter autumn season. For a deeper look at what to expect during this month, check out Port Erin weather in October.

In July, the weather is relatively mild, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F). The month experiences some precipitation, totaling about 70 mm (2.8 in) over approximately 12 days, accompanied by a humidity level of 78%. In contrast, November sees cooler conditions, with temperatures dropping to a minimum of 6°C (43°F) and peaking at around 14°C (58°F). This month is quite wet, experiencing significantly higher precipitation of 143 mm (5.6 in) spread over 20 days, along with increased humidity at 91%. For more detailed weather information about November, you can check Port Erin weather in November.

July and December exhibit notable differences in weather conditions. In July, temperatures range from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), with an average of 14°C (58°F). The month typically experiences about 70 mm (2.8 in) of precipitation over 12 days, with a relative humidity of 78%. In contrast, December sees cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 13°C (56°F), averaging 9°C (48°F). This month is significantly wetter, receiving 144 mm (5.7 in) of rainfall over 22 days, along with higher humidity levels at 89%. For more detailed weather insights, you can check Port Erin weather in December.

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Conclusion: What to Expect From July Weather in Port Erin

In July, Port Erin experiences a delightful summer ambiance, characterized by mild temperatures that typically hover around the comfortable average of 14°C (58°F). While the warmth peaks at 19°C (67°F), making it the warmest month of the year, it also ushers in a fair share of rain with approximately 12 days of precipitation, accumulating about 70 mm (2.8 in). This makes the humidity level rise to a substantial 78%, imparting a lush, vibrant feel to the landscape. Compared to other months, July stands out as a season of relative warmth, although it still maintains a touch of the island's usual unpredictability in weather. For a comprehensive look at Port Erin's climatic variations throughout the year, visit Port Erin Climate.