Last updated: March 17, 2025
In August, Grundarfjörður, Iceland, experiences a mild coastal climate, with average temperatures hovering around 10°C (51°F), peaking at a comfortable 16°C (60°F) and dipping to a cooler 6°C (43°F). Visitors should be prepared for a fair amount of rain, as precipitation averages 73 mm (2.9 in) over 13 days, contributing to the area’s lush landscapes. The humidity is notably high at 88%, enhancing the refreshing feel of the crisp ocean air. This unique weather creates a vibrant and dynamic environment, perfect for exploring the scenic beauty of Iceland's western fjords.
In August, Grundarfjörður, Iceland, embraces a mild summer climate, with temperatures oscillating between 6°C (43°F) and a comfortable 16°C (60°F). This month marks a delightful transition, offering an average temperature of 10°C (51°F) that invites outdoor exploration. Compared to earlier months, where temperatures hovered around freezing, August reveals a gentle warming trend, with daytime highs noticeably peaking before the onset of fall. As the days grow longer, the coastal scenery thrives, making it an ideal time for visitors to experience the natural beauty of the region in pleasantly moderate conditions.
In August, Grundarfjoerdur experiences a mild precipitation total of 73 mm (2.9 in), reflecting a slight decrease compared to the preceding months. With 13 rainy days, the weather remains relatively stable, mirroring the drier conditions seen in both June and July. This trend hints at a gradual shift as the region transitions into the wetter autumn months, culminating in a significant jump in precipitation in September. Notably, August stands out as a transitional period, where the lingering summer warmth begins to give way to the increased moisture typical of Iceland's fall season, offering a captivating glimpse into the changing climate of this picturesque landscape.
In August, Grundarfjörður experiences a humidity level of 88%, which is consistent with the slightly elevated levels seen throughout the summer months. Following a peak of 90% in March, humidity gradually decreases until settling at this mark in August, a typical trait for this coastal town. As autumn approaches, humidity begins a gradual rise again, hitting 89% in September. Overall, Grundarfjörður maintains a relatively high humidity year-round, with only slight fluctuations—most notably dipping to 85% in June, the lowest point of the year. This creates a refreshing yet moist atmosphere that characterizes Iceland's unique climate.
As summer transitions to autumn in August, Grundarfjoerdur, Iceland, sees a UV Index of 4, reflecting a moderate exposure level. This marks a slight decline from the peak index of 5 observed in the preceding three months. With an estimated burn time of just 30 minutes, it's essential for locals and visitors to be mindful of sun safety, even as the sun shifts in intensity. This trend of gradually decreasing UV exposure continues into September, showcasing a natural ebb and flow in the region's sun conditions. For more detailed information on the UV Index throughout the year, visit Grundarfjoerdur UV Index.
UV Risk Categories
In August, Grundarfjörður basks in a generous 268 hours of sunshine, marking a decline from the sun-drenched peak of May but still showcasing the lingering warmth of summer. As the year progresses, daylight hours ebb gracefully, transitioning from 343 hours in spring to an inviting autumn glow. The steady decrease in sunshine hours from July's vibrant 298 hours suggests a shift towards shorter days, yet August remains a delightful haven for outdoor enthusiasts and nature lovers. This trend hints at the fleeting beauty of summer, as the transitioning sunlight prepares the town for the cooler months ahead.
In Grundarfjörður, Iceland, the chance of sunny weather sees a notable fluctuation throughout the year, with August presenting a modest 14% likelihood of sunshine. This aligns with the trends observed in July and September, both sharing the same percentage. Interestingly, the summer months do not guarantee warmth and sun, as June, typically considered a peak summer month, has a slightly higher chance at 24%. As the seasons transition into fall, the sun's presence doesn't significantly improve, maintaining a consistent 14% for both July and August. The peak for sunny weather occurs earlier in the spring, with May enjoying a robust 48% sunshine chance, before dipping as summer wanes. While August may be part of the summer season, Grundarfjörður reminds us that sunny days are never guaranteed in this enchanting Icelandic locale.
In August, Grundarfjörður, Iceland, experiences a remarkable transition as daylight hours gradually decrease from the sun-drenched peaks of summer. With 16 hours of daylight, the month marks a slight decline from the vibrant 19 hours of July but still offers ample opportunity to bask in the lingering warmth and beauty of Iceland’s landscapes. This shift signifies the beginning of the gradual retreat of summer, preparing the region for the shorter days ahead in September, which sees a further reduction to 12 hours. As the days shorten, this month serves as a gentle reminder of the cyclical nature of light and dark in this enchanting locale.
In August, Grundarfjörður, Iceland experiences a notable decrease in wind speed, averaging just 4.2 m/s (10 mph), marking it as the calmest month of the year. This significant dip from the earlier months of summer, where winds hovered around 5.4 m/s (12 mph) in July, reflects a transitional phase in the local climate as the region prepares for the brisk autumn winds. Following August, the wind speed resumes its upward trajectory in September, climbing back to 7.9 m/s (18 mph) and continuing to rise through the fall months. This pattern highlights a distinct seasonal shift, where the gentle August breezes give way to the more robust gusts that define Grundarfjörður's windy reputation in the latter part of the year.
The weather in Grundarfjoerdur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Grundarfjoerdur and find detailed weather information for every month.
In August, the weather in Grundarfjörður is relatively mild, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 16°C (60°F). The average temperature is about 10°C (51°F), and the area experiences around 73 mm (2.9 in) of precipitation over 13 days, coupled with high humidity at 88%. In contrast, January brings much colder conditions, with temperatures dropping significantly to a minimum of -6°C (21°F) and a maximum of 8°C (47°F). The average temperature is just 1°C (34°F), and precipitation increases to 95 mm (3.7 in) over 16 days, with humidity slightly higher at 89%. For more detailed insights into January's weather, visit Grundarfjoerdur weather in January.
When comparing the weather in August and February, notable differences emerge. August generally enjoys milder temperatures, with an average low of 10°C (51°F) and a maximum of 16°C (60°F), while February experiences much colder conditions, with an average high of only 7°C (45°F) and a minimum of -7°C (20°F). Additionally, February sees higher precipitation levels at 106 mm (4.2 in) over 18 days, compared to 73 mm (2.9 in) over 13 days in August. Both months share high humidity, with February at 89% and August at 88%. For more detailed insights into February weather in this region, you can check Grundarfjoerdur weather in February.
When comparing the weather in August and March, there are notable differences in temperature and precipitation. August tends to be milder, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 16°C (60°F), while March is significantly colder, with average temperatures between -7°C (20°F) and 7°C (45°F). Additionally, while both months experience considerable precipitation—73 mm (2.9 in) in August and 90 mm (3.5 in) in March—March sees rain on more days, with 16 rainy days compared to August's 13 days. Humidity remains high in both months, but March is slightly more humid at 90% compared to August's 88%. For more specifics on March weather conditions, you can check out Grundarfjoerdur weather in March.
When comparing the weather in August and April, we notice some significant differences in temperature and precipitation patterns. In August, temperatures generally range from a minimum of 6°C (43°F) to a maximum of 16°C (60°F), with an average of 10°C (51°F). The month sees approximately 73 mm (2.9 in) of precipitation over about 13 days, paired with relatively high humidity at 88%. In contrast, April experiences cooler temperatures, with a minimum of -7°C (20°F), an average of 3°C (38°F), and a maximum of 10°C (51°F). This month is also wetter, receiving around 105 mm (4.1 in) of precipitation over 17 days, with humidity slightly lower at 86%. For a more detailed look at the weather patterns in April, you can refer to Grundarfjoerdur weather in April.
In comparing the weather of August and May, August tends to be warmer with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 16°C (60°F), while May experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 12°C (53°F). While both months see significant precipitation, May has slightly higher rainfall at 80 mm (3.1 in) compared to August's 73 mm (2.9 in), although August typically features a few less rainy days, accumulating precipitation on 13 days compared to May's 14 days. Humidity levels remain similar, with August at 88% and May at 87%. For more specific details on May weather, you can visit Grundarfjoerdur weather in May.
In comparing the weather between June and August, August tends to be slightly warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 16°C (60°F), while June's temperatures range from 3°C (38°F) to 14°C (58°F). Additionally, August experiences a bit more precipitation, averaging 73 mm (2.9 in) compared to June's 62 mm (2.4 in), despite both months having the same number of precipitation days at 13. Humidity levels are also slightly higher in August at 88% versus June's 85%. For more detailed insights on June weather in the area, you can check Grundarfjoerdur weather in June.
In comparing the weather of July and August, we see that both months exhibit similar temperature patterns, with minimum temperatures hovering around 6°C (43°F) and average temperatures at 10°C (51°F). However, July has a slightly higher maximum temperature of 16°C (62°F) compared to August's maximum of 16°C (60°F). Precipitation levels are nearly equivalent, with July receiving 74 mm (2.9 in) and August slightly less at 73 mm (2.9 in), though the number of rainy days is one less in August at 13 days versus 14 days in July. Interestingly, both months maintain a high humidity level of 88%, contributing to a consistently moist environment. For a more detailed look at July weather, you can visit Grundarfjoerdur weather in July.
In comparing the weather between August and September, we see a notable shift in temperatures and precipitation. August enjoys a slightly warmer range, with minimum temperatures of 6°C (43°F) and maximums reaching 16°C (60°F), contrasted with September's cooler minima of 2°C (36°F) and maxima of 13°C (56°F). Additionally, September experiences a significant increase in precipitation, accumulating 159 mm (6.3 in) over 18 days, whereas August has 73 mm (2.9 in) spread across 13 days. The humidity is similar between the two months, hovering around 88% in August and increasing slightly to 89% in September. For more detailed insights, you can refer to the Grundarfjoerdur weather in September.
In comparing the weather between August and October, we notice a notable shift in temperature and precipitation patterns. August experiences milder temperatures, with a minimum of 6°C (43°F) and a maximum of 16°C (60°F), while October sees cooler conditions, starting as low as -1°C (31°F) and peaking at just 10°C (50°F). Additionally, October is characterized by increased precipitation, totaling 101 mm (4.0 in) over 18 days compared to August's 73 mm (2.9 in) over 13 days. Both months share the same high humidity level of 88%, but the chill of October makes it feel distinctly different. For a closer look at the specifics of October weather in this region, you can refer to Grundarfjoerdur weather in October.
August and November exhibit distinct differences in weather patterns. In August, temperatures generally range from a minimum of 6°C (43°F) to a maximum of 16°C (60°F), with an average of 10°C (51°F). The month experiences relatively high humidity at 88% and rainfall totaling 73 mm (2.9 inches) over approximately 13 days. In contrast, November sees colder temperatures, with a minimum of -3°C (27°F) and a maximum of 10°C (51°F), while averaging just 3°C (38°F). Precipitation increases slightly to 87 mm (3.4 inches) over 15 days, accompanied by a marginally lower humidity level of 87%. For more detailed information about how weather conditions evolve in this period, you can explore Grundarfjoerdur weather in November.
August and December in Grundarfjörður present contrasting weather conditions. In August, temperatures range from a mild 6°C (43°F) to a comfortable maximum of 16°C (60°F), with an average of 10°C (51°F). Although the humidity is high at 88%, the total precipitation of 73 mm (2.9 in) over 13 days gives a sense of summer’s lingering warmth. In contrast, December brings a chillier climate, with temperatures dipping as low as -5°C (23°F) and averaging around 2°C (36°F). The maximum temperature only reaches 9°C (48°F), combined with a slightly higher precipitation of 90 mm (3.6 in) over 16 days and a humidity level of 87%. For further insights on December weather in this region, you can check Grundarfjoerdur weather in December.
As August rolls into Grundarfjörður, the weather offers a unique blend of mild temperatures and increased humidity compared to the preceding summer months. With maximums reaching around 16°C (60°F), the month retains a pleasant warmth, but as the days grow shorter, you might also notice a slight chill creeping in, particularly during the evenings. Rainfall becomes more frequent this time of year, with an average of 13 days of precipitation, making it distinctly wetter than July. This transition ushers in the onset of autumn, inviting visitors to experience the stunning landscapes dressed in lush greenery. For a more detailed look at how August fits into the broader climatic patterns, check out Grundarfjoerdur Climate.