Climate and monthly weather forecast
Vestmannaeyjar, Iceland

Vestmannaeyjar, situated off the south coast of Iceland, is characterized by a marine west coast climate, referred to as Cfc in the Köppen climate classification. This predominant climate implies consistency in wet, mild conditions with cool summers. Internationally known for its unique microclimate, Vestmannaeyjar experiences a broad yet stable range of conditions throughout the year.

On analyzing the climatological parameters, a year at Vestmannaeyjar unfolds a tapestry of moderate to high precipitation, ranging from 95mm (3.74") in July to a maximum of 162mm (6.38") in October. This translates to rainy days varying between 13.2 and 18.5 days a month, with October being the wettest month. Yet, not far behind are December and January, both witnessing rainfall exceeding 140mm (5.51") monthly, affirming Vestmannaeyjar’s identity as a location with substantial maritime precipitation.

Temperature fluctuations in Vestmannaeyjar follow a predictable pattern. An increase is seen from January’s peak of 3.4°C (38.1°F) to 11.7°C (53.1°F) in July. In August, an equal high of 11.6°C (52.9°F) sustains before temperatures start to slowly retreat, closing the year at 3.6°C (38.5°F) in December. Winter nights are relatively chilly, with the temperature dipping to -0.6°C (30.9°F), while summer nights are cool, hardly exceeding 8.2°C (46.8°F). Sea temperatures range from 7.3°C (45.1°F) to 11.7°C (53.1°F), adding to the overall coolness in Vestmannaeyjar.

Despite rainfall throughout the year, Vestmannaeyjar’s milder weather between June and August makes these months the most favorable for visiting. The average high temperatures around this period lie within the bracket of 10°C (50°F) to 11.7°C (53.1°F), and the average sea temperature touches 11.7°C (53.1°F), the warmest of the year. The daylight hours peak at 20.4 hours in June, providing ample time for exploration.

Navigating around Vestmannaeyjar during the months of November through January could be challenging. During this period, temperatures fall to their lowest, reaching down to -0.6°C (30.9°F). Coupled with this, the daylight hours are minimal, reducing to the bare minimum of 4.7 hours in December, thus presenting limited opportunities for venturing outdoors.

Springtime in Vestmannaeyjar brings with it mildly warmer temperatures, pivoting from 3.8°C (38.8°F) in March to reaching 8°C (46.4°F) in May. Rainfall during this season falls within the band of 117mm (4.61") to 141mm (5.55"). Broad daylight hours of 11.8 hours to 18.2 hours daily contribute to the appeal of this season.

Summer unveils more pleasant conditions in Vestmannaeyjar. Temperatures tend to revolve between 10°C (50°F) and 11.7°C (53.1°F). From June to August, rainfall narrows down to 95mm (3.74") and 140mm (5.51"). Lengthy daylight hours that touch 20.4 hours in June progressively descend to 16.2 hours by August, enhancing outdoor activities.

Autumn stirs a transition in Vestmannaeyjar’s climate. While September welcomes fall with an average temperature of 9.2°C (48.6°F), by November it plummets to a cooler 4.4°C (39.9°F). Precipitation swings from a monthly total of 131mm (5.16") to 154mm (6.06"), contributing to the island’s misty scenery. Evaporating daylight hours settle between 13 hours in September to 6.7 hours in November.

Winter casts a magical spell over Vestmannaeyjar, with temperatures hovering around the lower scale from 3.6°C (38.5°F) in December to 3.4°C (38.1°F) in January. Rainfall measures from 144mm (5.67") to 158mm (6.22"), painting the landscape in hues of white. Limited daylight hours hover between 4.7 hours to 5.9 hours, thus encapsulating Vestmannaeyjar in a frosty bubble.

January in Vestmannaeyjar, Iceland, is marked by cold temperatures, with daily highs average around 3.4°C (38.1°F) and lows dipping down to -0.6°C (30.9°F). These temperatures, along with the crystalline beauty of the frozen landscape, are sure to provide a dramatic setting. Weather in January »

February sees a slight rise in temperatures from the preceding month, but the weather in Vestmannaeyjar, Iceland, remains frigid. The sea temperature is slightly warmer, averaging 7.4°C (45.3°F) in the coastal waters. Rainfall and daylight both see a minor decrease in February, offering a slightly drier and lengthier day. Weather in February »

March in Vestmannaeyjar, Iceland, inherits some of the cold weather traits from its predecessor, February. The sea temperature remains constant at 7.3°C (45.1°F), not varying greatly from the previous month. Among the more significant shifts is the increase in daylight hours that March ushers in. Weather in March »

Vestmannaeyjar, Iceland, greets April with a marked rise in temperatures, witnessing daily highs averaging 5.5°C (41.9°F). This warming trend is a refreshing change compared to the months of January, February, and March. The daylight increase continues, offering more time to explore the scenic splendor of the city. Weather in April »

Vestmannaeyjar, Iceland, embraces May with a definitive break from the chilling winter months. The average sea temperature experiences a slight but noticeable increase relative to April. May promises longer daylight hours, which complement the increase in daily high temperatures. Weather in May »

June rolls in with a significant climatic change in Vestmannaeyjar, Iceland. A substantial increase in sea temperature to 9.9°C (49.8°F) marks this shift towards friendlier climes. As the daylight hours peak, an annual maximum in June, residents enjoy extended hours of natural light. Weather in June »

July continues the summer trend in Vestmannaeyjar, Iceland, with temperatures peaking for the year. The temperature of the sea reaches its annual zenith, topping out at 11.7°C (53.1°F). Though the rainfall increases slightly as compared to June, the volume is balanced by the longest daylight hours. Weather in July »

Vestmannaeyjar, Iceland, experiences temperate weather throughout August as well, with sea temperatures at a comfortable 11.7°C (53.1°F). August echoes the comfortable conditions of July, providing another great month for outdoor activities. Weather in August »

September in Vestmannaeyjar, Iceland, marks the arrival of autumn, with evident changes in weather conditions. The sea temperature starts to decrease, averaging a cooler 10.3°C (50.5°F). In comparison to August, daylight shrinks and rainfall increases. Weather in September »

The cooling trend of Autumn continues throughout October in Vestmannaeyjar, Iceland, revealing a decreasing pattern in temperatures. The city embraces the new climate with the sea temperature dipping to 9°C (48.2°F), a stark contrast to the warmer days of summer. Weather in October »

November in Vestmannaeyjar, Iceland, ushers in a marked decline in temperatures. The sea temperature also dips down to 8.3°C (46.9°F), indicating the onset of colder months ahead. Days become darker, and daylight hours continue to decrease, limiting sun presence in the late autumn horizon. Weather in November »

December in Vestmannaeyjar, Iceland, swings back to the cold side, reverting to conditions similar to those at the start of the year. Cold, however, is the least of the climactic concerns in December; the city records the fewest daylight hours of 4.7h for the year. Weather in December »