Alghero Weather by Month

Alghero, on Sardinia’s northwestern coast, has a Mediterranean climate with mild, wet winters and hot, dry summers. The city records about 562 mm (22.1 inches) of rain annually, almost all of it falling between October and April. July and August each average just 5 mm of rainfall and 1-2 rainy days, while November is the wettest month at roughly 98 mm across 12 rainy days. Sea temperatures peak at 25°C (77°F) in August, making the long swimming season from June through early October. The mistral wind can pick up year-round, strongest in winter and spring, but it also keeps summer heat comfortable. Alghero weather guide.

Alghero Weather by Month: Monthly Breakdown

January is the coldest month. Daytime highs reach 14°C (57°F), overnight lows drop to 7°C (44°F). Expect 12-14 rainy days and about 43 mm of rain. The sea sits at 14°C (57°F). Sunshine averages 4 hours per day. You’ll see locals in coats and scarves, and many hotels and restaurants close for the season. The upside: empty streets, low-season hotel rates, and dramatic storm-watching from the Bastioni. Alghero travel tips.

February warms slightly to highs of 14°C (58°F) and lows of 7°C (45°F). Rainfall drops to around 38 mm across 10-11 days. Sea temperature holds at 14°C (57°F). Sunshine increases to 5 hours. Carnevale Algherese brings parades and costumes to the old town in most years. This is still firmly off-season: bring a waterproof jacket and layers. Shop opening hours are limited, especially Sunday and Monday mornings. Alghero neighborhoods.

March brings highs of 16°C (61°F) and lows of 8°C (47°F). Rain falls on 9-10 days with about 35 mm total. The sea is still cold at 14°C (58°F). Sunshine reaches 6 hours. The first outdoor cafe tables appear on sunny days. Wildflowers carpet the countryside around Porto Conte. Easter processions (Settimana Santa) with Catalan-influenced rituals are a highlight if the dates align. where to stay in Alghero.

April sees highs of 18°C (64°F) and lows of 10°C (50°F). Expect 9 rainy days and 40 mm of rain. Sea creeps up to 16°C (60°F). Sunshine averages 7 hours. Most seasonal hotels and restaurants reopen around Easter or mid-April. This is one of the best months for hiking at Capo Caccia and cycling the coastal roads, with green landscapes and comfortable temperatures. Alghero events and festivals.

May delivers highs of 22°C (72°F) and lows of 13°C (56°F). Rain drops to 5-6 days with 25 mm. Sea warms to 18°C (65°F). Sunshine reaches 9 hours. Beach season begins in earnest by mid-month, though the water is still cool. Hotel rates are 30-40% lower than July-August. The Alghero Summer Festival typically kicks off in late May. things to do in Alghero.

June brings highs of 26°C (79°F) and lows of 17°C (63°F). Only 2-3 rainy days and 11 mm of rain make it one of the driest months. Sea reaches 21°C (70°F). Sunshine averages 10 hours per day. Swimming is comfortable, beaches are filling up but not packed. This is the sweet spot: perfect weather, manageable crowds, and prices still below peak. Sunset on the Bastioni at 9 PM is a daily ritual. best time to visit Alghero.

July peaks at 28°C (83°F) daytime, with overnight lows of 20°C (68°F). Only 1-2 rainy days produce 5 mm total. Sea temperature hits 24°C (75°F). Sunshine averages 11 hours. The city is busy, especially the old town and Lido beach. Book restaurants 1-2 days ahead. The mistral provides natural air-conditioning on hot afternoons. Sunscreen and a hat are essential; UV index hits 9.

August matches July at 28°C (83°F) highs and 20°C (69°F) lows. Rainfall at 6 mm and 2 rainy days. Sea temperature peaks at 25°C (77°F). This is peak season: Ferragosto (August 15) brings beach parties and fireworks. Accommodation is at its most expensive, with minimum-stay requirements common. Book everything in advance. The beaches at Le Bombarde and Mugoni are the places to escape the crowds.

September cools to highs of 25°C (77°F) and lows of 18°C (64°F). Rain increases to 5-6 days and 40 mm. Sea stays warm at 23°C (74°F). Sunshine averages 8 hours. The first two weeks feel like an extension of summer with fewer crowds. The Festa di San Michele (late September) brings street markets and fireworks to the old town. Hotel prices drop 20-30% from August.

October brings highs of 22°C (71°F) and lows of 15°C (58°F). Rain increases significantly to 9-10 days and 75 mm. Sea temperature drops to 21°C (69°F). Sunshine at 6 hours. Swimming is still possible early in the month. The Alghero Rally fills the streets with vintage cars. Some beach clubs and seasonal restaurants close after mid-October. Pack a sweater for evenings.

November is the wettest month with 12 rainy days and 98 mm. Highs reach 18°C (64°F), lows 11°C (52°F). Sea drops to 18°C (65°F). Sunshine at 4 hours. This is the start of the off-season: many restaurants and hotels close until spring. The old town takes on a quiet, local character. Good month for food-focused trips: seafood restaurants are less crowded and the new olive oil arrives.

December brings highs of 15°C (59°F), lows of 8°C (47°F). Expect 12 rainy days and 70 mm. Sea at 16°C (60°F). Sunshine at 4 hours. Christmas markets appear in Piazza Civica and along the Bastioni. New Year’s Eve fireworks over the sea draw locals and visitors. Hotel rates are at their lowest. A light jacket and umbrella are essential; snow is virtually unknown at sea level.

Alghero Weather by Month: Quick Reference Table