Last updated: March 17, 2025
Experience the vibrant weather of July in Porthmadog, United Kingdom, where temperatures typically reach a pleasant maximum of 25°C (77°F) and hover around an average of 15°C (60°F). Visitors can expect a refreshing environment, with nighttime lows averaging 9°C (48°F). However, prepare for regular rainfall, as the month sees about 105 mm (4.1 in) of precipitation over 15 days, contributing to a humidity level of 78%. This combination of warmth and moisture creates a lush, green landscape, making July an ideal time for exploration and outdoor activities in this picturesque region.
In July, Porthmadog basks in pleasantly warm temperatures, marking a vibrant peak in the year’s climate. With a minimum of 9°C (48°F) and an average reaching 15°C (60°F), locals and visitors enjoy mild mornings that transition into maximal highs of 25°C (77°F). This warmth signifies a noticeable rise from the preceding months, where temperatures gradually climbed from the chilly January lows. As summer embraces this charming seaside town, the climate is perfect for outdoor adventures, making July an ideal time for exploring Porthmadog’s stunning landscapes and enjoying its lively atmosphere.
In July, Porthmadog experiences a moderate rainfall, with a total precipitation of 105 mm (4.1 in) over 15 days. This amount represents a slight decrease from the wetter months of late spring and early summer. Notably, while July showcases a dip compared to June's 106 mm, it still maintains a substantial level of rain, hinting at the region's characteristic maritime climate. As the summer progresses, the pattern suggests a notable uptick in precipitation for the following month, with August poised to bring a higher total, reminiscent of the wetter conditions seen earlier in the year. Overall, July serves as a transitional month, balancing the lingering rains of earlier months with the anticipation of summer's peak in August.
In Porthmadog, United Kingdom, July brings a respite from the higher humidity levels of the preceding months, with an average humidity of 78%. This marks a slight decline from the June average of 81%, suggesting a trend towards drier weather as summer peaks. Interestingly, this is part of a broader pattern, as humidity consistently decreases from an average of 89% in January to its lowest point in July before rising again in the fall. The transition through the months reveals a clear seasonal rhythm, making July a relatively comfortable time for visitors and residents alike to enjoy the Welsh summer.
July in Porthmadog sees the UV Index peak at 8, indicating a very high exposure category, similar to June's levels. With a burn time of just 15 minutes, sun safety becomes crucial as the summer sun intensifies. The rising trend in UV Index from January’s low of 1 steadily escalates through spring and reaches its zenith in the summer months. This significant increase from 4 in March to 8 in July highlights the need for vigilance when spending time outdoors. As August arrives, the Index slightly dips to 7, yet it remains in the high range, reminding residents and visitors alike of the importance of sun protection. For more details on UV trends throughout the year, visit Porthmadog UV Index.
UV Risk Categories
In July, Porthmadog enjoys its brightest days, basking in an impressive 421 hours of sunshine, making it the sunniest month of the year. This peak follows the steady ascent from January's mere 93 hours, illustrating a significant shift as spring unfolds. As days grow longer, the sunshine hours rise dramatically, with May and June also boasting over 400 hours, setting the stage for a radiant July. However, as summer wanes and August approaches, sunshine begins to taper off, with 383 hours still offering plenty of warm, golden days. This pattern of fluctuating sunlight not only highlights the charm of a Porthmadog summer but also sets the rhythm for the seasons that follow, making each sunny moment in July feel like a treasured gift before the gradual retreat into autumn.
In Porthmadog, July stands out as one of the more promising months for sunny weather, boasting a 36% chance of sunshine. This trend subtly peaks after the spring months, where April shows a significant uptick at 46%. While May and June experience a slight dip in sunny days, July's increased likelihood represents a welcome shift towards summer. Following July, August sees a noticeable drop back to 25%, reminding residents and visitors alike that while the sunny days are more plentiful, they are fleeting. This July average, standing well above the winter months—where the chances linger around 20%—highlights the beauty of summer in Porthmadog, making it an ideal time for outdoor adventures.
In Porthmadog, United Kingdom, July stands out as a month of abundant sunlight, offering 16 hours of daylight. This peak in daylight follows a steady increase from January's modest 8 hours, illuminating the gradual transition towards summer. As the year progresses from the winter months, where daylight lingers a mere 7 to 9 hours, residents and visitors alike eagerly anticipate the vibrant brightness that characterizes late spring and early summer. Following July, daylight begins to taper off again, with August transitioning back to 14 hours, hinting at the cyclical nature of the seasons as autumn approaches. The pattern clearly highlights the contrast between the long, sun-filled days of summer and the shorter, quieter days of winter.
As summer unfolds in Porthmadog, July brings a gentle sigh of breeze, recording an average wind speed of just 3.2 m/s (7 mph), marking it as one of the calmest months of the year. This notable dip from the pre-summer months follows a trend where the spring and early summer months, such as April and May, exhibit slightly higher wind speeds, averaging around 3.8 to 4.7 m/s. The tranquil conditions of July provide a perfect backdrop for leisurely coastal strolls and exploration, a contrast to the brisker months ahead in October and November, when winds pick up again. Overall, the July winds in Porthmadog embody the essence of summer relaxation, creating an ideal setting for enjoying the scenic beauty of this charming coastal town.
The weather in Porthmadog 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 Porthmadog and find detailed weather information for every month.
July and January present stark contrasts in weather. In July, temperatures range from a cool 9°C (48°F) at night to a pleasant maximum of 25°C (77°F), with an average of 15°C (60°F). Precipitation is moderate at 105 mm (4.1 in) over about 15 days, along with a humidity level of 78%. In contrast, January experiences much colder temperatures, with minimums dropping to -1°C (30°F) and maximums only reaching 13°C (55°F), averaging around 6°C (43°F). Despite January's slightly higher precipitation of 121 mm (4.8 in) over 16 days, the humidity is notably higher at 89%. For more detailed insights into January weather in this region, visit Porthmadog weather in January.
Comparing the weather in July and February reveals distinct differences in temperature and precipitation patterns. July boasts a pleasant average temperature of 15°C (60°F), with highs reaching up to 25°C (77°F), making it a warm month perfect for outdoor activities. However, it also experiences a fair amount of rainfall, with 105 mm (4.1 in) over 15 days, and humidity levels at 78%. In contrast, February is much cooler, with an average temperature of 6°C (43°F) and daytime highs of only 15°C (60°F). This winter month is wetter, accumulating 162 mm (6.4 in) of precipitation over 19 days and a higher humidity of 88%. For a deeper look into Porthmadog's winter conditions, check out the full details here: Porthmadog weather in February.
In comparing the weather between July and March, noticeable differences emerge in both temperature and precipitation patterns. July enjoys milder temperatures, with an average reaching 15°C (60°F) and highs peaking at 25°C (77°F), while March experiences cooler conditions with average temperatures around 7°C (44°F) and maxing out at 16°C (61°F). Precipitation is slightly lower in July at 105 mm (4.1 in) over 15 days, compared to March's 152 mm (6.0 in) across 19 days. Additionally, March presents a higher humidity level at 86% versus July's 78%. These contrasts highlight the distinct seasonal shifts between the two months, impacting outdoor activities and environment. For a detailed look at March weather, you can visit Porthmadog weather in March.
In comparison to April, July experiences significantly warmer temperatures, with minimums of 9°C compared to April's chilly 0°C and averages soaring to 15°C, while April's average is only 8°C. The maximum temperatures in July reach 25°C, far exceeding April's highest of 19°C. However, July is also marked by higher precipitation, recording 105 mm over 15 days, compared to April's 62 mm over 12 days. Interestingly, while July has slightly lower humidity at 78%, April is more humid at 84%. For more details on the weather in Porthmadog during April, you can visit Porthmadog weather in April.
In comparing the weather of July and May, July tends to be warmer with an average temperature of 15°C (60°F) and a maximum of 25°C (77°F), contrasted with May's average of 11°C (52°F) and maximum of 23°C (73°F). Although both months experience significant humidity levels, July holds a slightly lower humidity at 78% compared to May's 79%. Precipitation is also greater in July, with 105 mm (4.1 in) falling over 15 days, whereas May sees 87 mm (3.4 in) over 12 days. For a more detailed look at May's weather patterns, you can visit Porthmadog weather in May.
In comparing the weather between June and July, July tends to be slightly warmer, with average temperatures reaching 15°C (60°F) compared to June's 14°C (57°F). Both months experience similar maximum temperatures, with July peaking at 25°C (77°F) and June at 26°C (79°F). Precipitation levels are quite close as well, with July receiving 105 mm (4.1 in) over 15 days, while June sees slightly more at 106 mm (4.2 in) over 16 days. Humidity levels also remain high, with July at 78% and June at 81%, suggesting a somewhat humid atmosphere throughout both months. For more detailed insights, you can explore Porthmadog weather in June.
In comparing the weather of July and August, we see some notable similarities and differences. Both months experience a minimum temperature around 9°C (48°F), an average of 15°C (60°F), and maximum temperatures that are fairly close, with July reaching 25°C (77°F) and August slightly cooler at 24°C (75°F). However, August is marked by heavier precipitation, totaling 162 mm (6.4 in) over 22 rainy days, compared to July's 105 mm (4.1 in) spread across 15 days. Humidity remains relatively consistent, with July at 78% and August slightly higher at 79%. For more specific insights on August weather, you can check Porthmadog weather in August.
In comparing the weather of July and September, we see that July tends to be slightly warmer, with average temperatures around 15°C (60°F) and a maximum of 25°C (77°F). In contrast, September features a marginally cooler average temperature of 14°C (57°F) and a similar maximum of 26°C (78°F). Both months experience notable precipitation, but September has more rainfall, totaling 146 mm (5.7 in) over 18 days compared to July's 105 mm (4.1 in) across 15 days. Additionally, September is characterized by higher humidity levels at 85%, while July's humidity stands at 78%. For more specific details on the weather in September, you can check Porthmadog weather in September.
In comparing the weather between July and October, there is a noticeable shift in temperature and precipitation. July typically enjoys milder conditions, with average temperatures ranging from a minimum of 9°C (48°F) to a comfortable maximum of 25°C (77°F). In contrast, October is significantly cooler, featuring average temperatures that range from a chilly 1°C (33°F) to a maximum of 20°C (68°F). The amount of rainfall also increases dramatically, with July receiving about 105 mm (4.1 in) over 15 days, while October sees 206 mm (8.1 in) spread over 22 days, indicating a wetter month. Additionally, humidity levels rise from 78% in July to 90% in October, contributing to a much damper environment. For those interested in learning more about the climatic conditions specifically in Porthmadog, you can check out Porthmadog weather in October.
In comparing the weather of July and November, we see a significant shift in both temperature and precipitation. July offers milder conditions with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), alongside 105 mm (4.1 in) of rainfall over about 15 days. In contrast, November experiences much cooler temperatures, with averages hovering around 8°C (48°F) and maxima reaching only 14°C (58°F), while precipitation rises notably to 176 mm (6.9 in) across 21 days, contributing to higher humidity levels of 91%. For more details on November's weather, you can check out Porthmadog weather in November.
In comparing the weather between July and December, it's evident that these months present stark contrasts. July enjoys milder temperatures, with a minimum of 9°C (48°F) and a maximum of 25°C (77°F), providing a comfortable average of 15°C (60°F). In contrast, December temperatures drop significantly, with lows reaching -2°C (29°F) and highs peaking at just 12°C (54°F), averaging around 7°C (45°F). Additionally, July experiences 105 mm (4.1 in) of precipitation over about 15 days, while December is much wetter, receiving 203 mm (8.0 in) across 24 days, contributing to a higher humidity level of 89% compared to July's 78%. For more details on this winter month, you can explore Porthmadog weather in December.
In July, Porthmadog experiences a delightful shift in weather, characterized by warmer temperatures and a notable increase in humidity compared to other months. The blend of sunny days interspersed with average precipitation ensures that the landscape remains vibrant and lush. With higher maximum temperatures that can reach up to a comfortable 25°C, summer in Porthmadog creates the perfect backdrop for outdoor adventures. However, it's important to prepare for the occasional rainy day, as July sees about 15 days of precipitation, contributing to the region's richly textured climate. For a deeper dive into the weather patterns throughout the year, explore Porthmadog Climate.