Last updated: March 17, 2025
August in Mosfellsbær, Iceland offers a mix of cool temperatures and frequent rain, making it a unique month for visitors. The maximum temperature reaches a pleasant 20°C (69°F), while the average sits at a mild 11°C (52°F), dipping to a chilly minimum of 4°C (39°F). Rainfall is a notable feature, with 83 mm (3.3 in) of precipitation spread across 15 days, contributing to the lush, green landscapes. Coupled with a high humidity level of 88%, this month invites a refreshing, crisp atmosphere, perfect for exploring Iceland's stunning natural beauty.
In August, Mosfellsbær, Iceland, enjoys a refreshing transition towards the end of summer, with temperatures showing a noticeable warmth compared to earlier months. The minimum temperature hovers around a mild 4°C (39°F), while the average settles at a comfortable 11°C (52°F), peaking with a maximum of 20°C (69°F). This slight elevation from July’s patterns signals a delightful period for outdoor activities, as locals and visitors revel in the mild climate. As the days grow shorter and the chill of autumn approaches, August serves as a last hurrah of warmth, paving the way for the cooler months ahead.
In Mosfellsbær, Iceland, August marks a transition in precipitation patterns, with 83 mm (3.3 in) of rainfall over 15 days. This is a notable increase from July's lower total of 76 mm (3.0 in) but significantly less than the impending autumn months. As summer wanes, August serves as a bridge, hinting at the wetter days to come, especially as September averages 162 mm (6.4 in) over 20 days. The gradual rise in rainfall from July to August suggests a shift in weather dynamics, while the decrease compared to earlier months like February and April highlights the unique climatic rhythm of this region, where summer's dryness gives way to early fall's moisture.
In August, Mosfellsbær experiences a notable shift in humidity, maintaining a level of 88% that reflects the area’s generally damp climate. This month's humidity is a slight increase from the 86% recorded in July, suggesting a typical late summer variability influenced by the surrounding oceanic environment. As we compare August's humidity to earlier months, we observe a gradual decrease from the 96% peak in January, with levels stabilizing around the 85-88% range from May through August. This pattern hints at the transition from the cooler, moist conditions of winter to the more temperate and humid sensations of late summer, ultimately leading back to a rise in humidity as autumn progresses. The consistent levels of moisture in Mosfellsbær throughout the year create a unique backdrop, enriched by the area's lush landscapes and vibrant ecosystems.
In August, Mosfellsbær experiences a moderate UV Index of 4, indicating that while sun exposure can be enjoyable, caution is advised. With a burn time of just 30 minutes, it's wise to seek shade during peak hours and apply sunscreen generously. This month marks a notable drop from the high values seen in June and July, where the UV Index reached 6, reflecting the summer's intensity. As the days slowly begin to shorten towards autumn, the UV levels decline further in September, resulting in a UV Index of 3. Overall, August showcases a balance between outdoor activity enjoyment and the need for skin protection, aligning with the shifting seasonal trends. For more detailed insights, visit the Mosfellsbaer UV Index.
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In Mosfellsbaer, Iceland, August shines brightly with an impressive 282 hours of sunlight, marking a vibrant conclusion to the summer months. This period follows a gradual increase in daylight that begins in January with only 30 hours, eventually bursting forth in late spring and early summer. As the days lengthen from March’s 184 hours to a peak of 334 hours in May, the warm glow of the midnight sun sets the stage for August’s dazzling display. While the sunlight begins to wane in September with 181 hours, the energy of summer lingers, allowing residents and visitors to relish the last warm days before the darker months descend. The data beautifully illustrates the contrast between the lively brightness of summer and the gradual retreat of daylight as winter approaches.
August in Mosfellsbær, Iceland, brings a notably low chance of sunshine, with only an 8% likelihood of clear skies. This dips significantly compared to the sunnier months of May and even April, which show more promise with 44% and 24% chances respectively. As summer transitions into autumn, the likelihood of sunny weather continues to decline, slipping from 10% in July to this summer's low point in August. Overall, if you're hoping to bask in the sun during your visit, you might want to plan your trip for earlier in the season, as the trend suggests diminishing rays as the year progresses.
In Mosfellsbær, Iceland, the evolution of daylight duration throughout the year paints a captivating picture of seasonal change. As the summer solstice in June approaches, residents bask in an impressive 20 hours of daylight, a peak that invigorates the long days of July with just a slight dip to 19 hours. However, by August, daylight begins to wane, returning to 16 hours as the region gears up for the transition into autumn. This gradual decrease continues into September, where daylight dwindles to 12 hours, signaling the end of the bright summer days. Overall, the daylight duration exhibits a distinct oscillation between the extremes of long summer days and the much shorter, stark winter months, highlighting the unique rhythm of life in this Icelandic locale.
In August, Mosfellsbær, Iceland, experiences a notable decline in wind speed, averaging just 2.7 m/s (6 mph), which is the calmest period of the year. This gentle breeze contrasts with the robust winds of early fall, with September seeing a jump to 4.0 m/s (9 mph). The trend reveals a gradual decline from the more consistent winds of spring and early summer, where speeds hovered around 3.0 to 3.8 m/s. As summer wanes, the tranquil August winds create a serene backdrop against which the vibrant Icelandic landscape shines, inviting moments of quiet reflection before the brisk autumn airs return.
The weather in Mosfellsbaer 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 Mosfellsbaer and find detailed weather information for every month.
In August, the weather in Mosfellsbær is relatively mild, with average temperatures ranging from a cool 4°C (39°F) at night to a comfortable 20°C (69°F) during the day. This month experiences around 83 mm (3.3 inches) of precipitation over approximately 15 days, accompanied by a high humidity level of 88%. In contrast, January brings much colder conditions, with temperatures dropping as low as -16°C (3°F) and peaking at just 10°C (50°F). Precipitation increases to 118 mm (4.6 inches) over 16 days, with humidity reaching a notably high 96%. For more details on the winter climate, check out Mosfellsbaer weather in January. Overall, the transition from August to January marks a significant shift from moderate summer warmth to the chill of deep winter.
August and February present stark contrasts in weather. In August, temperatures range from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), with an average of 11°C (52°F). Though the month experiences considerable humidity at 88%, it also sees around 83 mm (3.3 in) of precipitation over approximately 15 days. In comparison, February is much harsher, with temperatures plummeting as low as -22°C (-7°F) and peaking at just 8°C (47°F), averaging around -1°C (31°F). This winter month has higher precipitation at 131 mm (5.1 in) across 17 days and an even higher humidity level of 95%. For more detailed insights into February conditions, visit Mosfellsbaer weather in February.
When comparing the weather in August and March, a striking contrast emerges. August presents milder temperatures, with a minimum of 4°C (39°F) and an average around 11°C (52°F), peaking at a comfortable 20°C (69°F). In contrast, March is significantly colder, with temperatures ranging from a low of -15°C (5°F) to a maximum of 9°C (49°F), and an average temperature of just 1°C (33°F). While August enjoys relatively lower humidity at 88%, March experiences a higher humidity level of 94%, contributing to its chill. Additionally, precipitation is slightly higher in March, accumulating 106 mm (4.2 in) over 17 days compared to August’s 83 mm (3.3 in) over 15 days. For more specific insights into the weather during March, you can refer to this link: Mosfellsbaer weather in March.
In comparing the weather of August and April, we observe notable differences in temperature and precipitation. August experiences milder temperatures, with an average of 11°C (52°F) and maximums reaching up to 20°C (69°F), while April's temperatures are significantly cooler, averaging around 4°C (39°F) and peaking at 14°C (58°F). Both months see substantial rainfall, but April has a higher total precipitation of 123 mm (4.8 in) over 17 days, compared to August's 83 mm (3.3 in) over 15 days. Humidity levels remain relatively high in both months, with August at 88% and April at 87%. For more details on April weather specifics, you can visit Mosfellsbaer weather in April.
In comparing the weather of August and May, August generally offers milder temperatures, with average highs reaching 20°C (69°F) compared to May's maximum of 16°C (62°F). The minimum temperatures in August rarely dip below 4°C (39°F), while May can experience colder lows, dropping to -4°C (25°F). August sees less precipitation, totaling 83 mm (3.3 in) over an average of 15 rainy days, whereas May is wetter, with 118 mm (4.6 in) of rainfall spread over 18 days. Both months have high humidity levels, with August at 88% and May slightly lower at 85%. For a more detailed look at the conditions in May, you can check out Mosfellsbaer weather in May.
When comparing the weather in June and August, both months exhibit similar maximum temperatures, peaking at around 20°C (68-69°F), but August tends to be slightly warmer on average with a minimum of 4°C (39°F) compared to June’s 2°C (35°F). August also has a higher average temperature of 11°C (52°F), while June averages at 9°C (49°F). Rainfall is another distinguishing factor; June sees slightly more precipitation at 94 mm (3.7 in) as opposed to August's 83 mm (3.3 in), though both months experience rain on about 15 days. Humidity levels are higher in August at 88%, while June has a more comfortable 81%. For a detailed look at June's weather, visit Mosfellsbaer weather in June.
In comparing the weather between July and August, both months exhibit relatively mild temperatures, but August tends to be slightly cooler, with an average temperature of 11°C (52°F) compared to July's 11°C (53°F). July also sees a higher maximum temperature, reaching up to 23°C (73°F) versus August's maximum of 20°C (69°F). Precipitation in August is marginally higher at 83 mm (3.3 in) over 15 days, compared to July's 76 mm (3.0 in) across 16 days, indicating that August experiences more rain but over fewer days. Humidity levels are slightly higher in August at 88%, compared to July's 86%. For a detailed look at July weather in the area, you can visit Mosfellsbaer weather in July.
In comparing the weather between August and September, a noticeable decline in temperature is evident. August experiences a relatively mild temperature range, with minimums of 4°C (39°F) and maximums reaching up to 20°C (69°F), while September sees a further drop, with minimum temperatures plummeting to -3°C (27°F) and a maximum of only 16°C (61°F). Precipitation also increases significantly in September, with 162 mm (6.4 in) falling over 20 days compared to August's 83 mm (3.3 in) over 15 days. Furthermore, September has slightly higher humidity levels at 92%, compared to August's 88%. For more detailed insights on September weather details, you can visit Mosfellsbaer weather in September.
The weather in August and October shows a notable shift as summer transitions into autumn. In August, temperatures range from a mild 4°C (39°F) at night, peaking at a pleasant 20°C (69°F) during the day, accompanied by relatively high humidity of 88%. The month sees about 83 mm (3.3 in) of precipitation over 15 days. By contrast, October brings a sharp drop in temperatures, with minimums plunging to -6°C (22°F) and maximums reaching just 13°C (56°F), accompanied by even higher humidity levels at 93%. Precipitation also increases slightly in October, totaling 94 mm (3.7 in) across 16 days, which adds to the chilly and damp atmosphere typical of the season. For more details on this month's climate, you can check Mosfellsbaer weather in October.
August and November weather show a stark contrast, reflecting the transition from summer to winter. In August, temperatures range from a mild 4°C (39°F) at night to a pleasant average high of 20°C (69°F), with humidity at a relatively comfortable 88%. Conversely, November sees a significant drop in temperatures, with a minimum of -12°C (11°F) and an average of just 1°C (34°F), though it can still peak at 11°C (53°F). Additionally, November experiences increased precipitation at 105 mm (4.1 in) over 15 days, compared to August’s 83 mm (3.3 in) over the same number of days, and with humidity rising to 94%. For more detailed information, you can refer to Mosfellsbaer weather in November.
August and December present stark contrasts in weather. August typically features milder temperatures, with averages around 11°C (52°F), while December sees much colder conditions, averaging around 0°C (32°F). Precipitation is also notable in both months; August experiences 83 mm (3.3 in) over 15 days, whereas December has a slightly higher total of 107 mm (4.2 in) spread over 17 days. Furthermore, humidity levels are elevated in both months, reaching 88% in August and 95% in December, contributing to a damp and chilly winter atmosphere. For more detailed information, you can explore Mosfellsbaer weather in December.
As August unfolds in Mosfellsbær, it brings a delightful transition from the cooler summer months, with average temperatures resting around 11°C (52°F) and peaking at a pleasant 20°C (69°F). Compared to the rainier days of early summer, August experiences a notable increase in humidity at 88%, making the air feel more vibrant and lush. However, the month is not without its showers, as it records 15 days of precipitation, totaling 83 mm (3.3 in). This blend of warmth and moisture sets August apart from the earlier months, creating a refreshing atmosphere that invites both locals and tourists to enjoy the beauty of Icelandic nature. For more detailed insights, check out the Mosfellsbaer Climate.