Last updated: August 21, 2025
In July, Castletown on the Isle of Man experiences a delightful mix of mild temperatures and refreshing rainfall. With a maximum temperature reaching 19°C (67°F) and an average of 14°C (58°F), visitors can enjoy pleasant outdoor activities amid the lush scenery. However, the month is not without its showers, accumulating 70 mm (2.8 in) of precipitation over 12 days, which contributes to the region's vibrant greenery. With an average humidity of 78%, the air feels comfortably crisp, making it an ideal time to explore the charming streets and surrounding countryside.
In July, Castletown on the Isle of Man experiences a pleasant embrace of summer warmth, with temperatures rising significantly from earlier months. The minimum temperature hovers around 12°C (53°F), creating a comfortable baseline for outdoor activities, while the average temperature reaches 14°C (58°F). Maximum temperatures peak at a delightful 19°C (67°F), inviting locals and visitors alike to bask in the sun and explore the picturesque surroundings. This notable increase in warmth sets July apart as one of the most inviting months of the year, building on the gradual warmth established in June and paving the way for slightly cooler August days. Overall, July's weather exudes a friendly summer charm, perfect for enjoying the scenic beauty and vibrant culture of Castletown.
In July, Castletown experiences a moderate level of precipitation, with 70 mm (2.8 in) of rain spread over 12 days. This consistent rainfall mirrors June's totals, suggesting a pattern of stable but not excessive summer precipitation. The wettest months, particularly October and November, loom ahead, hinting at a shift toward wetter conditions as the year progresses. Overall, July maintains a balance between sunlight and showers, contributing to the Isle of Man's lush landscapes while setting the stage for the more significant rainfall of late summer and autumn.
In July, humidity in Castletown, Isle of Man dips to a comfortable 78%, marking a continuation of a gentle downward trend from the peak levels seen in the early months of the year. After starting the year with a high of 89% in January, humidity levels gradually declined, hitting their lowest point in July before rising again in the late summer and autumn months, with September returning to a more humid 85%. This mid-summer drop creates an inviting atmosphere, making July one of the most pleasant times to experience the Isle of Man’s natural beauty, as the air feels crisp yet comfortable.
In July, Castletown experiences a UV Index of 8, which falls into the very high exposure category. This marks one of the peak months for sun intensity, mirroring June's levels and highlighting a consistent trend of heightened UV radiation during summer. With a rapid burn time of just 15 minutes, it’s crucial for residents and visitors alike to take precautions against sunburn when enjoying outdoor activities. As we transition from July into August, the UV Index tends to decrease slightly, signaling a shift, yet it remains significant at 7. For those looking to understand UV trends throughout the year, the data vividly illustrates how sun exposure increases as summer peaks. Stay informed and sun-safe with the full details available at Castletown UV Index.
UV Risk Categories
July shines brightly in Castletown, Isle of Man, continuing the summer momentum with 418 hours of glorious sunshine. This month's sun hours match May, showcasing a peak in warmth and brightness as the days reach their zenith. Following a gradual ascent from 90 hours in January to 341 hours in April, the sunshine levels crescendo in the summer months, providing ample opportunity for outdoor adventures and coastal strolls. As August rolls in with 376 hours of sunlight, there's a slight dip, yet the overall trend reveals a radiant summer, enticing both locals and visitors to bask in the beauty of Castletown’s picturesque landscapes. The fluctuation in sun hours throughout the year underscores the charm of this vibrant locale, promising a distinct seasonal appeal.
In Castletown, Isle of Man, July marks a notable shift in the likelihood of sunny weather, with a 40% chance of sunshine, a significant improvement compared to the preceding months. As the summer progresses, this figure aligns closely with May's 40%, hinting at the potential for enjoyable outdoor activities. While early summer months like June see only a 29% chance, the transition to July promises a much brighter outlook. This uptick sets the stage for a delightful summer season, making it an ideal time for residents and visitors alike to soak up the sun and embrace the vibrant beauty of the Isle of Man.
In July, Castletown, Isle of Man experiences a delightful decline in daylight duration, basking in approximately 16 hours of sunlight each day. This period stands out as the pinnacle of summer luminance, following June's peak at 17 hours. As the season progresses, daylight gently wanes, leading into the slightly shorter days of August with 14 hours. The gradual transition from the vibrant brightness of summer to the softer light of autumn showcases the dynamic changes in daylight throughout the year, highlighting the unique charm of Castletown's seasonal rhythm.
In July, Castletown experiences a gentle breeze, with an average wind speed of just 4.3 m/s (10 mph), making it the calmest month of the year. This notable decrease in wind intensity follows the more vigorous winds of spring and early summer, where speeds were consistently above 6 m/s. As the summer progresses, the winds begin to pick up slightly again in August, aligning with the trends observed in the fall months. Overall, July's tranquil winds create a serene atmosphere, inviting both locals and visitors to enjoy the stunning coastal scenery without the sting of a blustery gale.
Weather in Castletown varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Castletown, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather tends to be milder with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), offering an average of 14°C (58°F). The month experiences about 70 mm (2.8 in) of precipitation over approximately 12 days, with humidity levels around 78%. In contrast, January is notably colder, with temperatures dipping to a minimum of 3°C (38°F) and rising to a maximum of 13°C (56°F), resulting in an average of 8°C (46°F). Precipitation is slightly higher at 81 mm (3.2 in), spread over 14 days, and the humidity increases to 89%. For more detailed information, check out Castletown weather in January.
When comparing the weather in July and February, notable differences emerge. July boasts a milder climate with average temperatures ranging from 14°C (58°F) to a maximum of 19°C (67°F), while February experiences chillier conditions, with average temperatures hovering around 7°C (45°F) and a maximum of just 12°C (54°F). Precipitation is also more prominent in February, with 106 mm (4.2 in) of rain spread over 18 days, compared to July's 70 mm (2.8 in) over 12 days. Additionally, February's higher humidity level of 88% surpasses that of July's 78%, contributing to a cooler and wetter winter feel. For more insights into February's weather specifics, you can refer to Castletown weather in February.
In comparing the weather of July and March, we see a significant difference in temperatures and conditions. July boasts a milder climate with minimum temperatures around 12°C (53°F) and an average of 14°C (58°F), peaking at 19°C (67°F). In contrast, March experiences much cooler temperatures, with a minimum of -1°C (30°F) and an average of only 7°C (45°F), reaching a maximum of 11°C (52°F). While July receives 70 mm (2.8 in) of precipitation over 12 days, March is slightly wetter, with 87 mm (3.4 in) falling over 18 days. The humidity is also higher in March at 86%, compared to July's 78%. For a detailed overview of March weather, you can check Castletown weather in March.
When comparing the weather in July to that in April, July generally offers warmer temperatures, with an average of 14°C (58°F) compared to April's cooler average of 8°C (47°F). While both months experience precipitation, July sees significantly more, with 70 mm (2.8 in) over 12 days, whereas April has only 36 mm (1.4 in) across 8 days. Humidity is slightly lower in July at 78%, compared to April's 84%, making July feel a bit more comfortable despite its higher rainfall. For a more detailed look at the weather patterns, check out Castletown weather in April.
In comparing the weather between July and May, July is notably warmer, with average temperatures ranging from 12°C (53°F) to 19°C (67°F), compared to May, which sees a milder range of 5°C (42°F) to 16°C (60°F). Precipitation levels are higher in July, totaling 70 mm (2.8 in) over 12 days, whereas May experiences less rainfall, with 44 mm (1.7 in) over 9 days. Interestingly, while the humidity is slightly higher in July at 78%, May maintains a similar level at 79%. For more detailed information about May weather, you can visit Castletown weather in May.
When comparing the weather in 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), compared to June's range of 9°C (49°F) to 17°C (64°F). Both months experience similar precipitation levels, each totaling 70 mm (2.8 in), although July has slightly more rainy days at 12 compared to June's 11. Additionally, July's humidity is marginally lower at 78%, while June sees a higher average humidity of 81%. For more detailed insights, you can check Castletown weather in June.
In comparing the weather of July and August, we see a slight increase in average temperatures, with July averaging 14°C (58°F) and August rising to 15°C (59°F). However, maximum temperatures in August are a bit lower, peaking at 18°C (65°F) compared to July's 19°C (67°F). Precipitation is more pronounced in August, with 94 mm (3.7 in) recorded over 15 days, compared to July's 70 mm (2.8 in) over 12 days. Humidity levels remain fairly consistent, slightly increasing from 78% in July to 79% in August. For more detailed information, you can check Castletown weather in August.
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 experiences around 70 mm (2.8 in) of precipitation over approximately 12 days, while humidity levels are around 78%. In contrast, September sees slightly cooler temperatures, with a minimum of 10°C (51°F) and the same maximum and average temperatures as July. However, it experiences a higher precipitation amount of 91 mm (3.6 in) over about 14 days, and the humidity rises to 85%. This difference highlights a transition to a wetter and slightly cooler climate as summer fades into autumn. For more details, check out Castletown weather in September.
In comparing the weather between July and October, we see a notable shift in temperature and precipitation patterns. July typically experiences milder temperatures, ranging 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 has moderate rainfall, totaling around 70 mm (2.8 in) over about 12 days, accompanied by a humidity level of 78%. In contrast, October brings cooler temperatures, with minimums around 7°C (45°F) and maximums reaching up to 17°C (63°F), averaging 13°C (55°F). The increase in precipitation is also significant, with totals soaring to 142 mm (5.6 in) over 18 days and a higher humidity of 90%. These changes highlight a transition into a wetter and chillier season. For more details, you can check Castletown weather in October.
The weather in July is generally milder compared to November, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F). July brings an average temperature of 14°C (58°F) and experiences about 70 mm (2.8 in) of precipitation over approximately 12 days, along with a humidity level of 78%. In contrast, November sees significantly cooler temperatures, with a minimum of 6°C (43°F), an average of 10°C (51°F), and a maximum of only 14°C (58°F). This month also has much higher rainfall, accumulating to 143 mm (5.6 in) over 20 days, and a heightened humidity of 91%. For more detailed insights, check out Castletown weather in November.
In comparing the weather of July and December, it's clear that July enjoys milder temperatures, with averages around 14°C (58°F) and maximums reaching up to 19°C (67°F). In contrast, December brings cooler conditions, averaging 9°C (48°F) and peaking at only 13°C (56°F). Furthermore, July experiences less rainfall, totaling 70 mm (2.8 in) over 12 days, while December sees significantly more precipitation, at 144 mm (5.7 in) over 22 days. Humidity levels are also higher in December, at 89% compared to July's 78%. For a more detailed look at December's weather patterns, visit Castletown weather in December.
As July unfolds in Castletown, it embraces summer with its remarkably mild temperatures and an inviting coastal charm. With the maximum reaching 19°C and an average of 14°C, this month offers a pleasant warmth that contrasts sharply with the chill of winter months. However, July is not without its quirks, as it experiences significant humidity and a fair share of rain, tallying 70 mm over about 12 days. This blend of warmth and moisture creates a unique atmosphere that sets July apart from the drier and cooler tendencies of other months. To dive deeper into how these conditions shape the local climate, check out Castletown Climate.