Last updated: March 17, 2025
In Selfoss, Iceland, October presents a tapestry of cool temperatures and significant precipitation. The month sees a maximum temperature of 13°C (55°F), with an average hovering around 5°C (42°F) and occasional dips to a minimum of -5°C (23°F). October is notably a wet month, recording about 113 mm (4.4 in) of rainfall spread across 16 days, contributing to a high humidity level of 88%. Visitors can expect moody skies and a vibrant autumn landscape, making October an intriguing time to explore this beautiful part of Iceland.
In October, Selfoss, Iceland, begins to experience the crisp embrace of autumn, with temperatures ranging from a chilly -5°C (23°F) at night to a mild 13°C (55°F) during the day. This month marks a notable drop in temperatures, transitioning from the warmer days of September, where the average reached 8°C (47°F). As the month progresses, the average temperature settles at 5°C (42°F), inviting locals and visitors alike to don their cozy layers. With each passing week, the stark contrast between the warm summer months and the onset of winter becomes more palpable, signifying a clear shift in the season as nature prepares for the impending cold.
October in Selfoss, Iceland, marks a pivotal transition in precipitation patterns as autumn deepens. With an average of 113 mm (4.4 in) of rainfall over 16 days, October experiences a noticeable dip compared to the previous month, September, which saw a substantial 194 mm (7.7 in) over 21 days. This reduction in precipitation signals the onset of cooler, more stable weather, bridging the gap towards winter. Interestingly, the month’s rainfall aligns closely with the averages seen in the spring months, hinting at a cyclical climate pattern. As the lush landscapes prepare for dormancy, October’s rainfall plays a critical role in sustaining the rich biodiversity that characterizes Iceland’s unique environment.
In Selfoss, Iceland, October marks the culmination of a notably humid season, with average humidity reaching 88%—the highest point of the year. The trend throughout the preceding months shows a steady rise, beginning with January's 84% and peaking in late summer with 87% during August and September. This gradual increase hints at the encroaching chill of autumn, as the crisp air combines with moisture from the surrounding landscapes. While November sees a slight dip to 85%, the overall pattern reveals a consistent atmospheric embrace that characterizes Iceland's fall, creating a unique blend of coolness and humidity that is emblematic of the region's climate.
In October, the UV Index in Selfoss, Iceland drops to a mild 2, categorizing it as low exposure with a burn time of 45 minutes. This decrease follows the summer peaks of June and July, where the index reached a high of 6, prompting individuals to take greater precautions against sun exposure. As autumn settles in, the trend reflects a gradual dimming of sun intensity compared to the brighter summer months, making October a comfortable time for outdoor activities without the worry of quick sunburn. For more detailed information, you can check the Selfoss UV Index.
UV Risk Categories
In October, Selfoss, Iceland, enjoys a notable transition in daylight, receiving about 142 hours of sunshine. This marks a significant decline from the sun-soaked days of summer, where months like May and June bask in over 300 hours of sunlight. The gradual decrease in daylight becomes evident as autumn sets in, with September still clocking in a respectable 194 hours before October's shorter days take hold. While the golden hues of October bring a cozy ambiance to the town, it serves as a reminder of the impending winter, as sunlight dwindles further in the coming months, plunging to a mere 29 hours in December. This cyclical dance of daylight reinforces the charm of Selfoss, with each month painting a new picture of Iceland’s breathtaking landscape.
In Selfoss, Iceland, the likelihood of sunny weather sees a subtle uplift in October, with a 25% chance of sunshine. This marks a slight improvement compared to the preceding months, as September and August offer only 13% and 11% chances, respectively. The trend reveals that while the summer months of May peak at a 42% likelihood, the onset of darker winter months leads to a decline in sunny days, dropping down to 22% in November. October, therefore, presents a rare opportunity to enjoy the beauty of autumnal landscapes under a sunny sky, making it an enchanting time to explore the region before the grip of winter settles in.
As the year progresses in Selfoss, Iceland, daylight duration follows a captivating rhythm, peaking in the summer months before gradually retreating. In October, daylight settles at around 9 hours, a noticeable drop from the sun-drenched 18 hours of May and the 20 hours witnessed in June. This transition marks the beginning of the darker months, where we shift from the prolonged glow of summer to the crisp autumn days. With shorter days ahead, November will bring just 6 hours of sunlight, serving as a reminder of the dramatic contrasts that define Iceland’s seasonal beauty. The cycle continues, highlighting a unique relationship between light and landscape that captivates both residents and visitors alike.
As October envelops Selfoss, Iceland, the wind picks up slightly, averaging 3.8 m/s (8 mph), reminding residents that winter is just around the corner. This month marks a transition, as the winds are generally more blustery than the calmer summer months, which saw averages dip below 3.0 m/s. Interestingly, after a brisk September—with winds climbing to 4.1 m/s (9 mph)—October retains a comparatively strong breeze, keeping the autumnal air crisp and invigorating. Following the trend of the prior months, the winds show a notable dip from earlier autumn but remain more lively than those experienced in late spring and summer, illustrating the dynamic shift in Iceland's weather patterns.
The weather in Selfoss changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Selfoss and find detailed weather information for every month.
October and January present distinctly different weather conditions. In October, temperatures range from a minimum of -5°C (23°F) to a maximum of 13°C (55°F), with an average of 5°C (42°F). The month experiences considerable precipitation, totaling 113 mm (4.4 in) over approximately 16 days, coupled with high humidity at 88%.
In contrast, January is colder, with temperatures dipping lower, featuring a minimum of -14°C (7°F) and an average of 0°C (32°F), reaching a maximum of 10°C (50°F). The precipitation in January is slightly higher at 142 mm (5.6 in) over 15 days, while humidity is somewhat lower at 84%. For a closer look at January conditions, you can visit Selfoss weather in January.
October and February in Selfoss present distinct contrasts in weather patterns. October typically experiences milder temperatures, with a minimum of -5°C (23°F) and an average of 5°C (42°F), while February is significantly colder, with minimum temperatures dropping to -16°C (3°F) and averaging around 0°C (32°F). Precipitation is also more pronounced in February, totaling 158 mm (6.2 in) over 19 days compared to October's 113 mm (4.4 in) over 16 days. Humidity levels remain relatively high in both months, at 88% in October and 82% in February, contributing to the chill in the air. For a closer look at February weather in Selfoss, check out Selfoss weather in February.
October and March both bring cool temperatures, but October generally feels milder. In October, the average temperature rests around 5°C (42°F), with a maximum of 13°C (55°F), while March is colder, averaging just 1°C (34°F) and peaking at 9°C (49°F). Precipitation is slightly higher in March, totaling 121 mm (4.8 inches) over 18 days compared to October's 113 mm (4.4 inches) over 16 days. Humidity levels are similar, with October at 88% and March at 85%. For a closer look at March conditions, refer to Selfoss weather in March.
When comparing the weather in October and April, we see notable differences in temperature and precipitation. In October, the average temperature is slightly warmer at 5°C (42°F), with highs reaching up to 13°C (55°F), while April experiences a chillier average of 4°C (39°F) with similar maximums. Precipitation is heavier in April, amounting to 140 mm (5.5 in) over 18 days compared to October's 113 mm (4.4 in) over 16 days. Humidity levels are also higher in October at 88%, compared to April's 81%. For more detailed insights, you can visit Selfoss weather in April.
October and May present distinctly different weather patterns. In October, temperatures range from a chilly -5°C (23°F) at night to a mild 13°C (55°F) during the day, with an average of 5°C (42°F). The month experiences significant precipitation, totaling 113 mm (4.4 in) over approximately 16 days, and a high humidity of 88%. In contrast, May offers slightly warmer temperatures, with a minimum of -3°C (27°F) and a maximum of 16°C (61°F), averaging around 7°C (44°F). Although it sees a bit more rainfall with 128 mm (5.0 in) across 18 days, the humidity is slightly lower at 83%. For more detailed insights, you can check out Selfoss weather in May.
October and June exhibit quite distinct weather patterns. In October, temperatures range from a chilly -5°C (23°F) at night to a mild maximum of 13°C (55°F) during the day, while the average hovers around 5°C (42°F). The month is also characterized by significant precipitation, with 113 mm (4.4 in) spread over 16 days and humidity levels reaching 88%. In contrast, June offers a more temperate climate, with night temperatures starting at a minimum of 2°C (37°F) and daytime highs peaking at 19°C (67°F), leading to an average of 9°C (49°F). Rainfall is less frequent, totaling 89 mm (3.5 in) across 15 days, and humidity is slightly lower at 82%. For specific insights on June's climate, visit Selfoss weather in June. Overall, October feels much colder and wetter, while June is notably warmer and more pleasant.
In comparing the weather of October and July, it's evident that July tends to be milder and drier. July experiences an average temperature of 11°C (53°F), with maximums reaching up to 24°C (76°F), while October sees much cooler temperatures, averaging only 5°C (42°F) and peaking at 13°C (55°F). Precipitation levels also differ, with July receiving 86 mm (3.4 in) over approximately 15 days, compared to October's 113 mm (4.4 in) across 16 days. Additionally, humidity remains high in both months, but October is slightly more humid at 88% compared to July's 86%. For a closer look at July weather specifics, visit Selfoss weather in July.
In comparing the weather between October and August, it is evident that October is significantly colder, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 13°C (55°F), while August enjoys milder conditions, with temperatures from a minimum of 5°C (41°F) to a maximum of 19°C (66°F). Additionally, October experiences more precipitation, totaling 113 mm (4.4 in) over 16 days, compared to August's 96 mm (3.8 in) over only 13 days. The humidity levels are quite similar, with October at 88% and August at 87%. For more detailed insights, you can check Selfoss weather in August.
October weather in Selfoss shows a notable chill compared to September, with average temperatures dipping from 8°C (47°F) in September to 5°C (42°F) in October. The minimum temperatures also fall, with October reaching as low as -5°C (23°F) versus September's -2°C (29°F). While October sees less precipitation overall at 113 mm (4.4 in) compared to September's 194 mm (7.7 in), it rains on 16 days in October compared to 21 days in September, keeping humidity levels similar at 88% in October and 87% in September. For a detailed look at September’s conditions, you can refer to Selfoss weather in September.
October and November exhibit a noticeable transition in weather patterns. In October, average temperatures range from a minimum of -5°C (23°F) to a maximum of 13°C (55°F), with an overall average of 5°C (42°F) and substantial precipitation totaling 113 mm (4.4 in) over 16 days. By November, temperatures dip slightly lower, with a minimum of -8°C (17°F) and an average of 2°C (35°F), while the maximum remains a bit cooler at 11°C (52°F). Precipitation levels increase marginally to 128 mm (5.0 in) over 15 days, accompanied by a slight decrease in humidity to 85%. For more detailed weather information, check out Selfoss weather in November.
In October, the weather in Selfoss tends to be relatively mild, with average temperatures hovering around 5°C (42°F) and maximums reaching up to 13°C (55°F). However, as the month progresses, the temperature drops, bringing minimums as low as -5°C (23°F). Precipitation is quite common, averaging 113 mm (4.4 in) over about 16 days, with humidity levels reaching 88%.
By December, temperatures continue to decline, with average temperatures around 0°C (33°F) and maximums of 9°C (49°F), while minimums can plunge to -11°C (12°F). The month sees an increase in precipitation to 137 mm (5.4 in), also over about 16 days, but humidity slightly decreases to 84%. The transition from October to December represents a clear move into winter, marked by cooler temperatures and increased precipitation. For more information about December weather specifics in Selfoss, you can check Selfoss weather in December.
In October, Selfoss experiences a notable shift in weather, characterized by cooler temperatures and increased precipitation compared to the preceding months. With an average temperature of around 5°C, the crisp autumn air becomes more pronounced, signaling the transition towards winter. The region sees significant rainfall, with about half the month experiencing precipitation, leading to a heightened sense of humidity at 88%. This combination creates a vibrant, yet damp landscape, unlike the drier and warmer days of summer. Those interested in learning more about the broader climate trends can explore Selfoss Climate.