Last updated: March 17, 2025
In April, Caernarfon, United Kingdom, experiences a delightful mix of spring weather, with maximum temperatures soaring up to 22°C (72°F), while the average hovers around a mild 9°C (48°F). However, it’s not without its chill, as minimum temperatures can dip to -1°C (31°F). This month witnesses a total precipitation of 55 mm (2.2 in) over approximately 11 days, contributing to a rather high humidity level of 84%. As nature awakens, the landscape transforms, making April an intriguing time to explore this historic town amidst fluctuating weather patterns.
In April, Caernarfon, United Kingdom, begins to shake off the chill of winter, with temperatures steadily rising. The month's minimum temperature of -1°C (31°F) marks a transition from the frosty grip of earlier months, while the average climbs to a refreshing 9°C (48°F). This upward trend culminates in a delightful maximum of 22°C (72°F), inviting locals and visitors alike to enjoy the burgeoning warmth and vibrant spring blooms. Compared to the preceding months, April showcases a notable shift towards milder weather, embodying a spirit of rebirth as the days grow longer and outdoor activities become ever more appealing.
April in Caernarfon, United Kingdom, sees a significant dip in precipitation, with only 55 mm (2.2 in) recorded over the month. This marks a notable decrease compared to the wet start of the year, where both January and February received over 100 mm each. April also boasts just 11 rainy days, the fewest so far in 2023, suggesting a brief respite from the typically dreary Welsh weather. Despite the lighter rainfall, the region's lush landscapes continue to benefit from earlier wet conditions, setting a serene backdrop as spring unfolds. As the month transitions to May, precipitation expectedly rises again, but for April, residents experience a welcome pause from the rain.
In April, Caernarfon experiences a noticeable dip in humidity, averaging around 84%—a decrease from the 86% recorded in March. This trend reflects the gradual transition into spring, as the air begins to dry out following the wetter winter months, which see humidity levels peaking at 89% in January. As temperatures rise heading into May, where humidity drops further to 79%, residents can expect a fresher atmosphere, though the dampness of the preceding months still lingers. The shift in humidity during April not only heralds the changing seasons but also sets the stage for the drier summer months ahead.
As April rolls into Caernarfon, the UV Index rises to 5, indicating a moderate level of sun exposure compared to the previous months. While January and February presented a low UV Index, the transition to a moderate level in March signals the onset of spring, with burn time reducing to 30 minutes. This trend continues into April, urging residents and visitors alike to take precautions during midday outings. As the days grow longer and sunnier, remember to stay vigilant— sunscreen is essential as we move closer to the high UV Index months of May and June. For more details, check out the Caernarfon UV Index.
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As April arrives in Caernarfon, the sun begins to shine brightly, marking a significant increase in daylight hours. With 335 hours of sunshine, this month stands out dramatically from the more subdued winter months, such as January with just 93 hours and February with 162 hours. The trend continues upward, showcasing a clear transition into spring, where April serves as a delightful prelude to the warmer days ahead. Following this burst of sunshine, May takes the lead with 415 hours, ensuring that Caernarfon basks in the full glory of spring and early summer. This pattern not only highlights the increasing warmth but also sets the stage for longer, sun-drenched days that residents and visitors alike eagerly anticipate.
As April arrives in Caernarfon, the likelihood of sunny weather significantly improves, boasting a notable 46% chance of sunshine. This marks a substantial increase compared to the preceding months, where the sun graced the skies only about a quarter of the time. It’s a refreshing shift from the dreary winter months of January through March, which languish around a mere 22% to 25% chance of sun. Although sunlight becomes less reliable as spring transitions into summer—with May and June dropping to 30% and 25%, respectively—April stands out as a beacon of brightness, encouraging residents and visitors alike to embrace the outdoor charm of this picturesque Welsh town.
As spring unfolds in Caernarfon, April marks a significant shift in daylight duration, providing residents with 14 hours of sunlight. This is a delightful increase from the 11 hours enjoyed in March, signifying the transition to longer days. The upward trend continues into May, where daylight reaches 15 hours, before peaking in June with an impressive 16 hours. This gradual extension of daylight during the spring months not only enhances outdoor activities but also lifts spirits, heralding the vibrant beauty of summer ahead. Looking back, the dramatic difference from the shorter days of winter, such as 8 hours in January, highlights how quickly nature awakens as the days grow longer and brighter.
In April, the winds of Caernarfon lull into a gentle rhythm, with average speeds dropping to 3.3 m/s (7 mph), making it one of the calmest months of the year. This marks a notable decrease from the slightly brisker winds seen in March at 5.2 m/s (12 mph), creating a tranquil atmosphere perfect for springtime strolls along the picturesque waterfront. As we transition into May, the winds pick up slightly to 4.0 m/s (9 mph), hinting at the seasonal shift. Overall, April serves as a serene interlude in Caernarfon’s meteorological narrative, balancing the winter's breezy demeanor with the warmth of spring's embrace.
The weather in Caernarfon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
April and January present contrasting weather patterns. In January, temperatures range from a chilly -3°C (27°F) to a mild 14°C (57°F), with an average temperature of 6°C (43°F) and relatively high humidity at 89%. The month also sees 77 mm (3.0 in) of precipitation spread over 13 days. In contrast, April enjoys a broader temperature range, with lows of -1°C (31°F) and highs reaching 22°C (72°F), resulting in a more comfortable average of 9°C (48°F). Although April has lower precipitation at 55 mm (2.2 in) over 11 days, it still maintains a high humidity level of 84%. For a closer look at January weather patterns, visit Caernarfon weather in January.
April generally offers milder temperatures compared to February, with minimums around -1°C (31°F) and an average of 9°C (48°F), while February sees lower minimums of -4°C (26°F) and average temperatures of 6°C (44°F). Maximum temperatures in April can reach up to 22°C (72°F), significantly warmer than February’s maximum of 18°C (65°F). However, February tends to be wetter overall, receiving 103 mm (4.1 in) of precipitation over 16 days, compared to April's 55 mm (2.2 in) over 11 days. Additionally, both months experience high humidity levels, with April at 84% and February slightly higher at 88%. For more detailed information on February's weather in this region, visit Caernarfon weather in February.
In comparing the weather between March and April, we see a noticeable warming trend as spring progresses. April boasts milder temperatures with a minimum of -1°C (31°F) and an average of 9°C (48°F), peaking at 22°C (72°F). In contrast, March starts off colder, with minimum temperatures hitting -5°C (23°F) and an average of 7°C (45°F), and a maximum of only 18°C (65°F). Additionally, April experiences significantly less precipitation, with 55 mm (2.2 in) over 11 days, compared to March's 104 mm (4.1 in) spread across 18 days. Humidity levels remain similar, with April at 84% and March slightly higher at 86%. For more details about the weather conditions in March, you can visit Caernarfon weather in March.
In comparing the weather patterns of April and May, we observe a notable increase in temperature and slight changes in precipitation. April's average temperature hovers around 9°C (48°F), with a maximum of 22°C (72°F) but dips as low as -1°C (31°F). In contrast, May sees a higher average temperature of 12°C (53°F), peaking at 28°C (82°F), making it generally warmer. While April experiences 55 mm (2.2 in) of precipitation over 11 days, May has slightly more rain at 71 mm (2.8 in) across 12 days, although the humidity decreases from 84% in April to 79% in May. For more detailed information on May weather, you can check Caernarfon weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a moderate maximum of 22°C (72°F), with an average temperature of 9°C (48°F). The month sees approximately 55 mm (2.2 in) of precipitation over 11 days, accompanied by high humidity at 84%. In contrast, June offers warmer conditions, with minimum temperatures rising to 5°C (41°F) and maximum temperatures reaching 29°C (84°F), yielding an average of 15°C (59°F). However, it is also wetter, receiving 91 mm (3.6 in) of rain over 14 days, while humidity slightly decreases to 81%. For more details on the weather during this month, you can refer to Caernarfon weather in June.
April and July exhibit distinct differences in weather conditions. April experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 22°C (72°F), while averaging around 9°C (48°F). In contrast, July brings warmer weather, 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). While April sees roughly 55 mm (2.2 in) of precipitation over 11 days, July has higher rainfall, totaling 82 mm (3.2 in) across 15 days. Humidity levels are slightly higher in April at 84%, compared to July’s 78%. For more detailed insights, you can refer to Caernarfon weather in July.
April and August offer contrasting weather experiences. In April, temperatures range from a chilly -1°C (31°F) to a pleasant 22°C (72°F), with an average of 9°C (48°F). The month sees a moderate amount of rainfall, totaling 55 mm (2.2 in) over 11 days, accompanied by high humidity at 84%. In contrast, August brings warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 26°C (79°F), averaging around 16°C (61°F). However, it is also wetter, with precipitation reaching 105 mm (4.1 in) over 19 days, though humidity is slightly lower at 79%. For more details on the weather in August, check out Caernarfon weather in August.
April and September present distinct weather profiles, showcasing the transition between spring and autumn. In April, temperatures range from a chilly -1°C (31°F) at night to a pleasant 22°C (72°F) during the day, with an average of 9°C (48°F). Although April sees 55 mm (2.2 in) of precipitation over 11 days, it enjoys a relatively high humidity of 84%.
In contrast, September offers milder nights with a minimum of 3°C (38°F) and warmer daytime highs reaching 27°C (81°F), leading to an average temperature of 14°C (57°F). However, it tends to be wetter, with precipitation amounting to 98 mm (3.9 in) over 15 days and a slightly higher humidity of 85%. For more detailed insights, you can check Caernarfon weather in September.
April and October exhibit distinct characteristics in their weather patterns. In April, temperatures typically range from a minimum of -1°C (31°F) to a maximum of 22°C (72°F), with an average of 9°C (48°F). The month experiences around 55 mm (2.2 in) of precipitation over 11 days and a humidity level of 84%. In contrast, October presents slightly cooler minimum temperatures, dropping to -2°C (29°F), but maintains a similar maximum of 22°C (71°F) and a higher average of 11°C (53°F). This month sees increased precipitation at 128 mm (5.1 in) over 18 days and elevated humidity levels at 90%. For more details on the conditions experienced during this month, you can check Caernarfon weather in October.
April and November exhibit similar minimum temperatures, both dipping to around -1°C (31°F), yet their overall weather patterns significantly differ. In April, the days can warm up to a pleasant maximum of 22°C (72°F), while November sees a cooler peak temperature of just 15°C (60°F). Precipitation is more frequent in November, with 111 mm (4.4 in) spread over 19 days compared to April's 55 mm (2.2 in) across 11 days. Additionally, November's humidity is higher at 91%, compared to April's 84%. For a detailed look at the weather conditions in November, visit Caernarfon weather in November.
In comparing the weather of April and December, we see notable differences in temperature and precipitation. April experiences a wider range of temperatures with a minimum of -1°C (31°F) and a maximum of 22°C (72°F), leading to an average of 9°C (48°F). In contrast, December's temperatures are generally cooler, with a similar minimum of -1°C (30°F) but a maximum of only 13°C (56°F) and an average of 7°C (45°F).
Precipitation also varies significantly, with April receiving 55 mm (2.2 in) over 11 days, while December is much wetter with 129 mm (5.1 in) spread across 20 days. This increase in rainfall results in higher humidity levels in December at 89%, compared to April's 84%. For a more detailed look at December conditions, you can check out Caernarfon weather in December.
In April, Caernarfon experiences a delightful transition as winter fades, with temperatures beginning to rise and an invigorating mix of warmth and chill. While the average temperature hovers around a pleasant 9°C, occasional highs can reach a gorgeous 22°C, offering a taste of spring's promise. However, this month also brings increased precipitation, with rain falling on about a third of the days, contributing to a higher humidity level of 84%. This combination creates a vibrant atmosphere, setting April apart from the drier and cooler months preceding it. For a deeper insight into the broader patterns of weather in this charming region, explore Caernarfon Climate.