Climate and monthly weather forecast
Portrane, Ireland

Portrane, a mesmerizing coastal town in Ireland, boasts a Marine West Coast climate, or Cfb according to the Köppen climate classification. This implies predominantly moderate weather, characterized by humidity, warmth in the summer and cool winters. Strikingly, owing to its geographical setting on the eastern coast of Ireland, the town has a steady marine influence that leads to a significant impact on weather conditions.

One distinct factor about Portrane's climate is its lackadaisical year-round temperature variations. The sea temperature fluctuates moderately from a cooler 8.4°C (47.1°F) in March to a warmer 14.9°C (58.8°F) in August. The daylight hours also swing between a minimum of 7.6 hours in December to a maximum of 16.9 hours in June. This clearly reflects how the position and tilt of Earth's axis affects the town's daylight duration across the year.

Overall, Portrane sees a fairly stable climate throughout the year, albeit with small variations in certain climatological parameters. What is unmistakable is the typical Irish influence on its weather, translating into cool summers and relatively warm winters when compared with places of similar latitudes outside Europe.

For those considering a visit to Portrane, the best time would arguably be between June and August. During this period, visitors would enjoy the best of both worlds: The highest sea temperatures and the longest daylight hours. With sea temperature peaking at 14.9°C (58.8°F) in August and daylight visible for a striking 16.9 hours in June, summer in Portrane provides ample opportunity to engage in outdoors activities and absorb the natural splendor of the town.

Alternately, the least suggested time to visit Portrane would be between December and February. Experiencing it's shortest days with daylight limited to 7.6 hours in December, the gloomy ambiance isn't the most encouraging for sightseeing. The sea temperature also dips down, measuring at 8.8°C (47.8°F) in February, thus curtailing any attempt for water-based activities.

Spring in Portrane could be defined as a season of mellow transition. Starting from March when the sea temperature averages at 8.4°C (47.1°F), it gradually ascends to 10.4°C (50.7°F) by May. Daylight hours also see a progressive rise, from 11.9 hours in March to a comfortable 15.9 hours by May end. The spring season witnesses a steady increase in temperature and daylight hours with nature blossoming into life once again.

Warm, bounteous daylight and moderately high sea temperatures define summer in Portrane. The season, commencing in June, graces the town with the longest daylight hours ranging from 16.9 hours in June to 14.7 hours by August end. Concurrently, sea temperatures also experience a crest, escalating from 12.3°C (54.1°F) in June to attain an annual peak of 14.9°C (58.8°F) in August. This meld of extended daylight and balmy sea makes summer an ideal time to relish the stunning beaches of Portrane.

Autumn in Portrane presents a gradual decline in daylight hours as well as sea temperatures. September commences with a warm 14.8°C (58.6°F) sea temperature and 12.7 daylight hours that slowly recedes to 13.1°C (55.6°F) and 8.6 hours respectively by November. The serene town witnesses a vivid change of scenery as the leafy foliage painted in hues of burnished gold and ruddy-brown hints at the onset of winter.

Winter in Portrane encapsulates shorter daylight hours and comparatively cooler sea temperatures. Beginning in December, daylight hours dip to the lowest annual point of 7.6 hours. Simultaneously, sea temperature also experiences a decrement, from 11.3°C (52.3°F) in December, reaching 9.6°C (49.3°F) by the end of February. Despite the slight chill, the calm and tranquil ambiance of the town during winter paints a mystical portrait of Portrane.

Portrane, Ireland boasts a vast coastal beauty that is particularly pronounced in the heart of winter. Weather in January exhibits a mild maritime temperate, refusing to cave into the frigid temperatures often associated with the season. Weather in January »

As February rolls in, Portrane's weather presents a note of quiet expectation, hinting at the approaching spring. Slightly cooler than January, the sea ceases to reveal the same resilience and sinks to a still tolerable 8.8°C (47.8°F). Weather in February »

March in Portrane ushers in the vernal promise, with the weather showing clear indications of the incoming spring. During this month, daylight hours leap to almost 12 hours, paving for timely outings along the coast. However, sea temperatures dip slightly to 8.4°C (47.1°F) before they begin to climb as part of the spring revival. Weather in March »

April in Portrane is a tribute to the full-blown splendor of spring. The weather in April magnifies the charm of this coastal town, attracting more visitors. The sea finds its stride again with temperatures rising to a much comfortable 9.2°C (48.6°F). Weather in April »

May is the doorway to summer in Portrane as the weather transitions to warmer, sunnier times. The sea temperature sees a notable rise, measuring at a delightful 10.4°C (50.7°F), serving as a prelude to the incoming summer. Lengthening daylight hours invite the possibilities of prolonged beach activities, late in the evening. Weather in May »

June marks the onset of summer in Portrane and the weather takes a pleasant turn. The significant increase in daylight hours, peaking at 16.9 hours, allows beach-goers to prolong their coastline adventures. The welcome warm-up of the sea reaches a pleasing 12.3°C (54.1°F), inspiring extended sea-side frolics. Weather in June »

July at Portrane sees the weather peak in summer grandeur. The beach becomes a hive of activity, with the sea facilitating swimmers at a comfortable 14.1°C (57.4°F). Recalling the trends, July usually holds the year's maximum daylight hours, feeding into the festive summer spirit. Weather in July »

In August, Portrane’s weather continues to bask in the glory of summer. With sea temperatures peaking at a record 14.9°C (58.8°F), August stands out as the warmest month for sea bathing. Complementing this, the lavish spread of daylight promotes day-long activities. Weather in August »

September in Portrane marks the beginning of meteorological autumn. The weather softens as daylight hours shorten to 12.7 hours, yet there's enough light for outdoor fun. The sea remains relatively warm, though temperatures fall to 14.8°C (58.6°F) from the year’s peak in August. Weather in September »

As October commences, Portrane embraces the full effect of fall. The weather reveals considerable change, with decreasing daylight hours signaling the approach of winter. The coastal winds mature with a crispness that speaks of autumn, while sea temperatures taper off to 14.1°C (57.4°F). Weather in October »

November finds Portrane subsumed in the quiet charm of late autumn. The weather manifests the seasonal change as daylight hours drop to 8.6. The sea reflects the cool of the season, with temperatures down to 13.1°C (55.6°F). The shift from the mildness of October carries the nostalgic air of a fading year. Weather in November »

December sees Portrane shift into the stillness of winter. The weather, with the shortest days of the year at 7.6 hours of daylight, folds into the seasonal charm of the holiday month. Sea temperatures drop further to 11.3°C (52.3°F), adding to the winter's bracing coastal winds. Weather in December »