Last updated: March 17, 2025
July in Caernarfon, United Kingdom, offers a delightful mix of summer warmth and classic Welsh charm. With a maximum temperature reaching 29°C (85°F), the month showcases its potential for sunny days, while the average temperature hovers around a refreshing 16°C (61°F). However, visitors should be prepared for the occasional shower, as 82 mm (3.2 in) of rain falls over 15 days, contributing to the area's lush landscapes. With humidity at 78%, the air feels invigorating and helps keep the vibrant greenery flourishing, making July a uniquely picturesque time to explore this historic locale.
In Caernarfon, July brings a delightful warmth, marking the peak of summer with temperatures reaching an average of 16°C (61°F). The month typically sees minimums of 7°C (45°F) and soaring maximums up to 29°C (85°F), offering plenty of sunny days ideal for outdoor activities. This trend of rising temperatures follows the gradual warming seen from earlier months, notably June, which also enjoys pleasant conditions. As the region transitions from May's 12°C (53°F) average to July's warmer embrace, residents and visitors alike can savor the best of summer before the cooler months set in.
In July, Caernarfon experiences a moderate precipitation level of 82 mm (approximately 3.2 inches), indicative of the summer’s transition into wetter conditions. With rain falling on 15 days of the month, the pattern shows a slight decrease from the more significant downpours seen earlier in the spring. This month balances the drier weather of April and May with the heavier rainfall expected in August, which averages over 100 mm. As a result, July serves as a pivotal month, showcasing the gradual shift from the relatively dry late spring to the wetter peak of summer in this picturesque corner of the United Kingdom.
In July, Caernarfon experiences a notable dip in humidity, averaging 78%, the lowest point of the year, signaling a shift toward drier conditions as summer reaches its peak. This is a slight decrease from June's 81%, marking a transition that contrasts sharply with the higher levels observed earlier in the year, such as 89% in January and 91% in November. As the months progress from late spring into summer, humidity gradually declines, providing a brief respite before the autumn months bring a resurgence of moisture, with September soaring back to 85%. Overall, July serves as a brief interlude in Caernarfon's humidity cycle, where the crispness of summer offers a refreshing change from the otherwise damp climate characteristic of the region.
As July rolls into Caernarfon, the UV Index peaks at 8, reflecting a very high exposure category that warrants caution. With a burn time of only 15 minutes, it’s essential for residents and visitors alike to take protective measures against the sun's rays. Following the trend established in June, the UV Index remains elevated this month, signifying the height of summer. As we transition into August, we’ll see a slight dip to 7, shifting to a high exposure level, but July stands as a reminder of the need for vigilance against sunburn and sun damage. For a comprehensive look at the UV Index throughout the year, visit Caernarfon UV Index.
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In the heart of summer, July stands out as a beacon of sunshine in Caernarfon, United Kingdom, boasting an impressive 421 hours of bright, golden light. This peak in sunshine hours follows a steady ascent from 93 hours in January, illustrating a vibrant transition from the grey winter months to the lively summer. With each month leading up to July showing a clear upward trend, it’s evident that summer is relished here, as both May and June contribute substantial hours of sun, at 415 and 404 hours respectively. The trend tapers off slightly in August, but even then, with 383 hours, it’s clear that the warmth of July lingers, marking a perfect window for outdoor adventures and basking in Caernarfon's captivating landscapes.
In Caernarfon, the likelihood of sunny weather in July is relatively moderate at 35%, marking a notable increase compared to the earlier months of the year. This rise in sunshine probability follows a trend observed from April, where there is a significant jump to 46%, before tapering off again in the subsequent months of August and September. While July doesn't boast the sunniest outlook, it's one of the brighter months on the calendar, hinting at an appealing summer experience for visitors and locals alike. As we move through the year, it becomes clear that summer brings a glimmer of hope for those yearning for sunny days amid the typically overcast conditions of the UK.
In Caernarfon, United Kingdom, the month of July marks the peak of daylight, offering a generous 16 hours of light each day. Following the gradual increase from the 8 hours in January, there is a steady ascent as spring unfolds, with daylight extending to 14 hours in April and reaching 15 hours in May. As summer fully takes hold in June and July, the daylight remains consistent, providing ample time to bask in the sun and enjoy outdoor activities. However, as the season shifts into August, the charming days start to wane, transitioning towards the shorter daylight hours of autumn. This pattern distinctly highlights the seasonal rhythm, where the vibrancy of summer's long days gives way to the cozy embrace of autumn's shorter light.
In July, the wind in Caernarfon, United Kingdom, tends to be at its calmest, with an average speed of just 2.7 m/s (6 mph). This marks a noticeable dip from the breezier months of the spring and early summer, where the winds hover around 3.3 m/s to 5.8 m/s. As the weather warms, the gentle breezes make July a serene time, perfect for enjoying the picturesque landscapes without the disruption of strong gusts. Interestingly, while the wind speed is at its lowest, it serves as a contrast to the more blustery conditions expected in October, which jumps back up to an average of 5.5 m/s (12 mph). This trend highlights July as a peaceful interlude in the shifting winds of Caernarfon, inviting visitors to bask in the tranquility of summer.
The weather in Caernarfon 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 Caernarfon and find detailed weather information for every month.
In July, the weather is generally warm, with temperatures ranging from a low of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 16°C (61°F). The month experiences 82 mm (3.2 in) of precipitation over about 15 days, with humidity levels around 78%. In contrast, January brings cooler conditions, featuring temperatures that range from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), with an average temperature of 6°C (43°F). Precipitation is slightly lower at 77 mm (3.0 in) over 13 days, yet the humidity is higher at 89%. For a detailed look at January weather patterns, you can check out Caernarfon weather in January.
When comparing the weather in July and February, it’s clear that July offers significantly warmer temperatures, with averages around 16°C (61°F) and highs reaching 29°C (85°F). In contrast, February experiences much cooler conditions, with an average temperature of 6°C (44°F) and a maximum of only 18°C (65°F). Precipitation levels are somewhat similar, with July receiving 82 mm (3.2 in) over 15 days and February slightly higher at 103 mm (4.1 in) across 16 days. Additionally, humidity is higher in February at 88% compared to 78% in July, creating a notably different atmosphere. For more details on February weather patterns, you can check Caernarfon weather in February.
When comparing the weather between July and March, significant differences emerge in both temperature and precipitation patterns. July tends to be warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), whereas March is notably cooler, with temperatures ranging from -5°C (23°F) to 18°C (65°F). Additionally, July experiences less rainfall, recording 82 mm (3.2 in) over 15 days, compared to March, which sees higher precipitation levels of 104 mm (4.1 in) over 18 days. Humidity is also slightly higher in March at 86%, compared to July's 78%. For a detailed look at the conditions during this transitional month, you can check Caernarfon weather in March.
July and April present notably different weather patterns. In July, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 16°C (61°F). The month experiences a higher level of precipitation at 82 mm (3.2 in) over 15 days, paired with a humidity of 78%. In contrast, April has cooler temperatures, with a minimum of -1°C (31°F), an average of 9°C (48°F), and a maximum of 22°C (72°F). The precipitation in April totals 55 mm (2.2 in) across 11 days, and the humidity is slightly higher at 84%. For more details, you can check out Caernarfon weather in April.
When comparing the weather in July and May, July typically boasts warmer temperatures, with an average of 16°C (61°F) compared to May's average of 12°C (53°F). However, both months experience similar maximum temperatures, with July peaking at 29°C (85°F) and May reaching 28°C (82°F). Precipitation levels are relatively close as well, with July receiving 82 mm (3.2 in) over 15 days and May seeing 71 mm (2.8 in) over 12 days. Interestingly, humidity remains fairly constant between the two months, with July at 78% and May slightly higher at 79%. For a more detailed look at May's weather, you can check Caernarfon weather in May.
In comparing the weather of June and July, both months exhibit similar temperature ranges, with July experiencing slightly warmer average temperatures; minimums of 7°C (45°F) in July versus 5°C (41°F) in June, and average temperatures of 16°C (61°F) in July compared to 15°C (59°F) in June. Notably, however, maximum temperatures are nearly identical, peaking at 29°C (85°F) in July and just slightly lower at 29°C (84°F) in June. Precipitation levels are also comparable, with July receiving 82 mm (3.2 in) over 15 days and June totaling 91 mm (3.6 in) across 14 days, leading to a slightly higher humidity in July at 78% compared to June's 81%. For more detailed insights, check out Caernarfon weather in June.
In July, the weather features a wide temperature range, with minimums dipping to 7°C (45°F) and maximums reaching up to 29°C (85°F), while the average temperature remains steady at 16°C (61°F). Precipitation is relatively moderate, totaling 82 mm (3.2 in) over 15 days, with humidity levels hovering around 78%. In contrast, August experiences slightly cooler maximum temperatures, peaking at 26°C (79°F) with a minimum of 8°C (46°F), while the average remains consistent at 16°C (61°F). However, August sees an increase in precipitation to 105 mm (4.1 in) across 19 days, alongside a marginal rise in humidity to 79%. For more detailed insights, check out Caernarfon weather in August.
July and September showcase a notable difference in weather patterns. In July, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 16°C (61°F). The month experiences a total precipitation of 82 mm (3.2 in) over about 15 days, accompanied by a humidity level of 78%. In contrast, September sees a slight drop in temperatures, with minimums of 3°C (38°F) and maximums of 27°C (81°F), averaging 14°C (57°F). The month is wetter, recording 98 mm (3.9 in) of precipitation across the same 15 days, while humidity increases to 85%. For more details on September weather, visit Caernarfon weather in September.
In comparing the weather between July and October, there is a noticeable shift in temperature and precipitation patterns. July boasts a warmer average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F), while October experiences a cooler average of 11°C (53°F) and maximum temperatures of 22°C (71°F). Additionally, October sees increased precipitation, with 128 mm (5.1 in) falling over 18 days, compared to July's 82 mm (3.2 in) over 15 days. The humidity also rises, reaching 90% in October compared to 78% in July. For more detailed information, you can check Caernarfon weather in October.
In July, the weather is noticeably warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 16°C (61°F). It experiences a moderate amount of rainfall, averaging 82 mm (3.2 in) over 15 days, and the humidity sits at 78%. In contrast, November brings a significant drop in temperature, with minimums reaching -1°C (31°F) and a maximum of only 15°C (60°F), averaging around 9°C (48°F). Precipitation increases to 111 mm (4.4 in) over 19 days, and humidity rises to 91%, making November a much wetter and chillier month. For more detailed information on the weather in this month, check out Caernarfon weather in November.
In July, the weather is generally warm, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 16°C (61°F). The month sees approximately 82 mm (3.2 in) of precipitation over about 15 days and maintains a humidity level of 78%. In contrast, December presents a much cooler climate, with temperatures dipping to a minimum of -1°C (30°F) and reaching a maximum of 13°C (56°F), resulting in an average temperature of only 7°C (45°F). This month experiences higher precipitation at 129 mm (5.1 in) over 20 days and an increased humidity of 89%. For more detailed insights, check Caernarfon weather in December.
July in Caernarfon is a vibrant month, marked by warmer temperatures and increased humidity compared to the rest of the year. While the average temperature rises, providing a welcoming backdrop for outdoor activities, fluctuations can still bring cooler days. However, the weather isn't all sunshine; expect occasional rainfall as the city experiences about half of the month's days with some precipitation. This blend of warm days and cooling showers is what sets July apart, making it a unique time to explore the picturesque surroundings. For a deeper dive into what to expect throughout the year, check out Caernarfon Climate.