April Weather in Porthmadog, United Kingdom

Last updated: March 17, 2025

April in Porthmadog, United Kingdom, showcases a mild yet unpredictable climate, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 19°C (66°F), and an average of 8°C (47°F). This month is characterized by high humidity levels at 84%, contributing to a refreshing atmosphere. However, be prepared for the possibility of rain, as 62 mm (2.4 in) of precipitation falls over 12 days, making it essential to have an umbrella handy. Enjoy the vibrant springtime scenery, but come equipped for a mix of sun and showers!

April Temperature in Porthmadog

As April unfolds in Porthmadog, temperatures begin to show a welcoming warmth, with minimums starting at 0°C (33°F), a marked increase from the brisk chill of winter months. The average temperature rises to a comfortable 8°C (47°F), setting the stage for more pleasant outdoor activities. By the end of the month, highs can reach a delightful 19°C (66°F), making it a perfect time for locals and visitors alike to enjoy the burgeoning spring. This gradual transition not only reflects the reassuring shift from the colder seasons but also hints at the vibrant summer just around the corner.

April Weather in Porthmadog: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Porthmadog, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605957524744
Data source: Temperature data for Porthmadog 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.

April Precipitation in Porthmadog

In April, Porthmadog experiences a notable shift in precipitation patterns, with rainfall measuring 62 mm (2.4 in) over 12 days—substantially less than the preceding months. This decrease in both total rainfall and rainy days signals the arrival of a drier spring, contrasting sharply with the winter months, where January, February, and March wielded heavier downpours. As Porthmadog transitions into May, the lighter April showers set the stage for a gradual increase in warmth and the blossoming of the region's stunning scenery, offering a refreshing break from the wet conditions of earlier months.

April Precipitation Trends in Porthmadog

The chart displays monthly precipitation patterns in Porthmadog, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1211621526287106105162146206176203
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Porthmadog

April in Porthmadog, United Kingdom, sees a gentle decline in humidity, averaging 84%, as spring takes hold. This marks a continued decrease from March's 86%, signaling a shift towards drier conditions as the year progresses. The trend from the earlier months, where humidity levels hovered in the high 80s, suggests that Porthmadog is gradually moving away from the dampness characteristic of winter. As May approaches with an even lower humidity of 79%, residents can anticipate a refreshing change, promoting more enjoyable outdoor experiences as nature bursts into bloom.

April Average Humidity in Porthmadog

This chart illustrates the average monthly humidity levels in Porthmadog, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Porthmadog

As April arrives in Porthmadog, the UV Index climbs to a moderate level of 5, indicating a shift from the lower indices of the earlier months. With a burn time of 30 minutes, this month prompts outdoor enthusiasts to take attentive measures against sun exposure, particularly if indulging in spring activities. Notably, UV levels will continue to rise, peaking in May at a high index of 7. This upward trend highlights the importance of staying informed about UV radiation, as each month brings increased sun intensity, making it essential to protect your skin. For more detailed information, visit Porthmadog UV Index.

Maximum UV Index Levels in Porthmadog for April

The chart shows the monthly maximum UV Index (UVI) for Porthmadog in April, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Porthmadog April 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.

April Sunshine in Porthmadog

In April, Porthmadog basks in a delightful surge of sunshine, enjoying 335 hours of bright, cheerful rays. This marked increase from March's 228 hours underscores the region's transition into spring, welcoming longer days and warming temperatures. As the month unfolds, the rays of sunshine steadily pave the way for an even sunnier May, where residents and visitors can look forward to a splendid 415 hours of daylight. This upward trend not only enhances outdoor activities but also invigorates the local spirit, making April a vibrant cornerstone in the sunshine calendar of Porthmadog.

Monthly Sunshine Duration in Porthmadog: April Highlighted

The April sunshine duration represents the total number of hours Porthmadog experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h162h228h335h415h404h421h383h315h238h126h109h
Data source: Porthmadog April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porthmadog During April

As spring unfolds in Porthmadog, April stands out with a remarkable 46% chance of sunny weather, making it the brightest month so far in the year. This marks a significant increase from the preceding months, where the likelihood of sunshine hovers around 20% to 25%. The trend indicates that as winter recedes, residents can expect a more cheerful outlook, with sunny days paving the way for May, which dips to 30%. After months of gray skies, April's promise of brighter days not only heralds the return of warmth but also beckons outdoor activities, making it a delightful time for both locals and visitors alike.

Percentage of Sunny Days in April in Porthmadog

The chart illustrates the percentage of sunny days in Porthmadog throughout the year, with April 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 Porthmadog experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%22%25%46%30%27%36%25%22%16%20%20%
Data source: Porthmadog April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porthmadog in April

As spring unfolds in Porthmadog, April shines brightly with an impressive 14 hours of daylight, reflecting the gradual elongation of days that begins in winter. Compared to the 11 hours of March, this increase signifies a lively shift that invigorates the natural landscape and encourages outdoor activities. This trend continues into May, where daylight peaks at 15 hours, before reaching its zenith in the long summer months of June and July, which boast 16 hours each. The growing daylight not only enhances the beauty of Porthmadog’s surroundings but also fosters a sense of vitality and warmth, marking a sharp contrast to the shorter, darker days of the preceding months.

Average Daylight Hours in Porthmadog for April

The chart illustrates the variation in daylight duration in Porthmadog throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 10m9h 51m11h 54m14h15h 51m16h 50m16h 18m14h 38m12h 36m10h 31m8h 38m7h 37m
Data source: Porthmadog daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Porthmadog

As April arrives in Porthmadog, the winds begin to mellow, with average wind speeds decreasing to 3.8 m/s (8 mph)—a noticeable drop from the breezy March conditions. This gentle change signals the transition from winter's chill to the softer embrace of spring, inviting locals and visitors alike to explore the picturesque coastal and countryside views without the usual gusty distractions. April's calmness is a contrast to February's peak, where winds reached 6.6 m/s (15 mph), and sets the stage for the seasonal shift ahead. As the month progresses, those lighter winds make way for delightful outdoor experiences, highlighting the beauty of this charming seaside town.

Average April Wind Speed in Porthmadog

The chart displays monthly wind speed patterns in Porthmadog, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.36.65.73.8 m/s4.74.03.24.43.76.45.55.9
Data source: Porthmadog April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Porthmadog Compares to Other Months

The weather in Porthmadog 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 Porthmadog and find detailed weather information for every month.

April's weather marks a noticeable transition into spring, with temperatures ranging from a chilly 0°C (33°F) at night to a pleasant 19°C (66°F) during the day. The overall average temperature in April is 8°C (47°F), and although precipitation is moderate at 62 mm (2.4 in) over 12 days, humidity sits at a relatively high 84%. In contrast, January experiences colder temperatures, with lows of -1°C (30°F) and highs reaching only up to 13°C (55°F). The average temperature in January is cooler at 6°C (43°F), and it typically sees more precipitation, totaling 121 mm (4.8 in) across 16 days, combined with a slightly higher humidity of 89%. For further details on January weather, you can check Porthmadog weather in January.

In comparing the weather of April and February, we observe notable differences. April typically experiences milder temperatures with a minimum of 0°C (33°F) and an average of 8°C (47°F), reaching a maximum of 19°C (66°F). In contrast, February is colder, with temperatures dipping as low as -3°C (28°F) and averaging 6°C (43°F), peaking at 15°C (60°F). Precipitation is also significantly higher in February, totaling 162 mm (6.4 in) over 19 days, compared to April's 62 mm (2.4 in) across 12 days. Additionally, February's humidity is slightly higher at 88%, compared to April's 84%. For further details on February weather in Porthmadog, you can visit Porthmadog weather in February.

In comparing the weather patterns of March and April, we observe a notable increase in temperature as April sees a minimum of 0°C (33°F) and an average of 8°C (47°F), compared to March's minimum of -5°C (23°F) and an average of 7°C (44°F). Additionally, April offers a maximum temperature of 19°C (66°F), which is warmer than March’s high of 16°C (61°F). However, April experiences significantly less precipitation, with 62 mm (2.4 in) over 12 days, while March has a higher total of 152 mm (6.0 in) over 19 days, indicating that March is the wetter month. Humidity levels remain relatively similar, with April at 84% and March slightly higher at 86%. For more details on March weather, visit Porthmadog weather in March.

April and May present a noticeable shift in weather conditions. In April, temperatures typically range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 19°C (66°F), with an average of 8°C (47°F). The month sees about 62 mm (2.4 in) of precipitation over 12 days, accompanied by a higher humidity level of 84%. In contrast, May warms up, with minimum temperatures rising to 2°C (36°F) and maximums reaching 23°C (73°F), averaging around 11°C (52°F). However, May also experiences increased rainfall, totaling 87 mm (3.4 in) over the same number of days, but with slightly lower humidity at 79%. For a detailed look at May weather specifically, check out Porthmadog weather in May.

April and June showcase notable differences in weather patterns. In April, temperatures begin to warm up with a minimum of 0°C (33°F) and an average of 8°C (47°F), reaching a maximum of 19°C (66°F). However, the month also sees relatively high humidity at 84% and frequent precipitation, totaling 62 mm (2.4 inches) over 12 days. In contrast, June experiences significantly warmer weather, with minimum temperatures of 7°C (46°F) and an average of 14°C (57°F), peaking at 26°C (79°F). Although June has more overall precipitation at 106 mm (4.2 inches) over 16 days, the humidity is slightly lower at 81%. For more details on the weather in June, you can check Porthmadog weather in June.

The weather in April features cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (47°F), while July enjoys considerably warmer conditions, with a minimum of 9°C (48°F) and an average of 15°C (60°F). April also experiences higher humidity at 84% and a notable amount of precipitation, measuring 62 mm (2.4 in) over 12 rainy days. In contrast, July has slightly less humidity at 78% and more rainfall, totaling 105 mm (4.1 in) across 15 days, indicating a wetter month overall. For a detailed look at July's climate in this area, you can visit Porthmadog weather in July.

April and August exhibit contrasting weather patterns. In April, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 19°C (66°F), with an average cooling at around 8°C (47°F). The month experiences considerable rainfall, totaling 62 mm (2.4 in) over 12 days, accompanied by high humidity levels at 84%. Conversely, August warms up significantly, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 24°C (75°F) and an average of 15°C (60°F). However, it brings even heavier precipitation, with 162 mm (6.4 in) spread over 22 days, while humidity remains slightly lower at 79%. For more insights into the weather in August, you can check Porthmadog weather in August.

April and September present quite different weather patterns. In April, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 19°C (66°F), with an average temperature around 8°C (47°F). The month experiences 62 mm (2.4 in) of precipitation over about 12 days and a high humidity level of 84%. In contrast, September offers more warmth, with temperatures starting at a minimum of 6°C (42°F) and peaking at 26°C (78°F), averaging 14°C (57°F). However, it is wetter, with 146 mm (5.7 in) of rain spread across approximately 18 days, while humidity remains similarly high at 85%. For more detailed insights on the weather specifics during this month, you can visit Porthmadog weather in September.

In April, the weather begins to warm up, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 19°C (66°F) and an average of 8°C (47°F). However, it can be quite wet, with around 62 mm (2.4 inches) of precipitation occurring over 12 days and humidity levels at 84%.

By contrast, October experiences slightly warmer temperatures, with a minimum of 1°C (33°F), an average of 11°C (53°F), and a maximum of 20°C (68°F). However, it is significantly wetter, with 206 mm (8.1 inches) of rain over 22 days and higher humidity at 90%. For more details on the October climate, you can refer to Porthmadog weather in October.

April and November exhibit notable differences in weather patterns, despite having similar average temperatures around 8°C (47°F). April features a milder maximum temperature of 19°C (66°F) and receives significantly less precipitation, amounting to 62 mm (2.4 in) over 12 days. In contrast, November is cooler, with a maximum temperature of only 14°C (58°F), but it experiences heavier rainfall, totaling 176 mm (6.9 in) across 21 days, contributing to higher humidity levels at 91%. For a deeper dive into November's weather specifics, you can check out Porthmadog weather in November.

April and December present distinctly different weather patterns. In April, temperatures range from a chilly 0°C (33°F) at night to a pleasant 19°C (66°F) during the day, with an average of 8°C (47°F). The month experiences moderate rainfall, totaling 62 mm (2.4 in) over about 12 days, and humidity levels are relatively high at 84%. In contrast, December sees colder temperatures, dipping to a low of -2°C (29°F) and peaking at a maximum of 12°C (54°F), with an average temperature of 7°C (45°F). The precipitation is significantly higher at 203 mm (8.0 in), spread over 24 days, and humidity reaches 89%. For more details on December weather, you can check Porthmadog weather in December.

Compare Porthmadog's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Porthmadog

April in Porthmadog presents a refreshing contrast to the colder months, as temperatures start to rise with a maximum of 19°C, welcoming the onset of spring. However, the weather remains variable, often bringing a blend of sunshine and rain—averaging about 62 mm of precipitation over nearly half the month. With humidity peaking at 84%, the air feels quite brisk, making it essential to dress in layers. This transitional month offers a unique experience, hinting at warmer days ahead while still holding onto the remnants of winter. For a deeper look into what to expect throughout the year, explore Porthmadog Climate.