October Weather in Siglufjoerdur, Iceland

Last updated: March 17, 2025

In Siglufjoerdur, Iceland, October brings a cool, crisp atmosphere, characterized by a maximum temperature of 9°C (49°F), an average of 5°C (41°F), and chilling lows plunging to -2°C (29°F). This month experiences significant precipitation, with 147 mm (5.8 in) spread over 20 days, contributing to the region's lush landscapes. The high humidity level of 90% adds to the invigorating feel of autumn, making October a time when nature showcases its breathtaking beauty, inviting visitors to explore the stunning scenery and dramatic coastal views.

October Temperature in Siglufjoerdur

In October, Siglufjörður, Iceland experiences a noticeable transition as autumn deepens into winter. The temperatures begin to dip, with minimums hovering around -2°C (29°F) and averages settling at 5°C (41°F). Despite the chill, the highs can still reach a manageable 9°C (49°F), making for brisk but invigorating days. This month stands out as a turning point, where the last vestiges of the milder fall give way to the onset of icy conditions, hinting at the winter months ahead. With many days cloaked in quiet stillness, October invites visitors to embrace the magestic Nordic landscapes, often shrouded in mist or illuminated by the gentle glow of the northern lights.

October Weather in Siglufjoerdur: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Siglufjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333434363944474845413635
Data source: Temperature data for Siglufjoerdur generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Siglufjoerdur

October in Siglufjörður, Iceland, marks a noteworthy transition into autumn, characterized by increased precipitation and frequent rainy days. With an impressive 147 mm (5.8 in) of rain falling over an average of 20 days, October stands out as one of the wetter months of the year, following a notably rainy September that recorded 159 mm (6.3 in). This reflects a pattern of higher precipitation during the fall, as seen with November's anticipated 116 mm (4.6 in) following October. The shift from the drier summer months, where May and June averaged only 59 mm (2.3 in) and 72 mm (2.8 in) respectively, signifies a climatic change that blankets the landscape in vibrant autumn hues. As Siglufjörður braces for winter, the consistent rainfall serves to nourish the region's stunning natural beauty, making October a particularly captivating month.

October Precipitation Trends in Siglufjoerdur

The chart displays monthly precipitation patterns in Siglufjoerdur, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1181041017959728884159147116138
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Siglufjoerdur

As October settles in Siglufjoerdur, Iceland, the average humidity remains steady at 90%, mirroring the consistent levels of the preceding months. This slight dip from the peak of 94% in March signifies a subtle shift as the region transitions into winter. Humidity levels have generally hovered around the 90-93% mark throughout the year, highlighting the area's persistently moist climate. With the arrival of autumn, the air retains a crispiness that complements the gentle humidity, creating an enchanting atmosphere that characterizes Siglufjoerdur’s charm. The unchanging humidity suggests that residents and visitors alike can expect the usual damp coolness, wrapping up the month with the same invigorating embrace that defines the Icelandic experience.

October Average Humidity in Siglufjoerdur

This chart illustrates the average monthly humidity levels in Siglufjoerdur, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%94%93%91%90%91%91%91%90%90%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Siglufjoerdur

In Siglufjoerdur, Iceland, October heralds the gradual retreat of summer's UV intensity, introducing a more gentle UV Index of 2, categorized as low with a burn time of 45 minutes. This trend continues from the moderate levels seen in the summer months, where the UV Index peaked at 6 in June before subsequently declining. As autumn sets in, the decreasing UV index invites outdoor enthusiasts to enjoy the crisp air without the urgency for heavy sun protection. Local residents and visitors can relish in the beauty of the changing season while taking heed of this friendly UV level. For a detailed look at how UV exposure varies throughout the year, explore the Siglufjoerdur UV Index.

Maximum UV Index Levels in Siglufjoerdur for October

The chart shows the monthly maximum UV Index (UVI) for Siglufjoerdur in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec112356543211
Data source: Siglufjoerdur October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Siglufjoerdur

As the vibrant landscapes of Siglufjörður transition into the autumn months, October greets visitors with a modest 90 hours of sunshine, a noticeable drop from the summer peak of over 300 hours in May and June. This reduction in sunlight heralds the onset of winter, marked by dramatic shifts from the lush greenery to stunning fall foliage. While days grow shorter, the preceding months showcase a clear trend of increasing daylight, peaking during the vibrant summer, before leading into the gentle diminishing of October. This month, with its crisp air and colorful surroundings, offers a beautiful, albeit fleeting, glimpse into the serene transition of nature, inviting those who appreciate the quiet beauty of Icelandic autumn.

Monthly Sunshine Duration in Siglufjoerdur: October Highlighted

The October sunshine duration represents the total number of hours Siglufjoerdur experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec12h59h160h254h314h284h283h270h159h90h37h3h
Data source: Siglufjoerdur October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Siglufjoerdur During October

In Siglufjoerdur, Iceland, October arrives with a modest 15% chance of sunshine, continuing a trend of diminishing daylight and clearer skies as summer fades. Though October's sunlight peeks through at a slightly better rate than the preceding month of September, which drops to 14%, it still trails the brighter months of May and April, where the probabilities soar to 35% and 27%, respectively. With winter approaching, the brief moments of sun become even more cherished, making October a transitional month that hints at the impending chill while still offering the occasional glimpse of brightness amid the landscape's stunning autumn hues.

Percentage of Sunny Days in October in Siglufjoerdur

The chart illustrates the percentage of sunny days in Siglufjoerdur throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Siglufjoerdur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%17%16%27%35%28%27%24%14%15%19%25%
Data source: Siglufjoerdur October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Siglufjoerdur in October

As autumn settles in Siglufjoerdur, Iceland, the daylight duration in October offers a noticeable shift, providing about 9 hours of daylight. Following the long, bright days of June and July, where the sun graced the town for almost 24 hours, October signals the onset of shorter days. The light begins to fade more rapidly after the summer, transitioning from 19 hours in May to just 9 hours this month. Though shorter than the previous months, October still offers a comfortable balance of day and night, as the landscape transforms into a canvas of fall colors. As the year draws to a close, this rhythm of diminishing daylight will continue, with November bringing only 5 hours and December offering a mere 2 hours. This cyclical pattern highlights the dramatic changes in light that characterize life in this northern haven.

Average Daylight Hours in Siglufjoerdur for October

The chart illustrates the variation in daylight duration in Siglufjoerdur throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 33m8h 11m11h 49m15h 30m19h 28m23h 33m20h 55m16h 42m13h 1m9h 24m5h 42m2h 56m
Data source: Siglufjoerdur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Siglufjoerdur

As October sweeps into Siglufjörður, the winds return with a refreshing vigor, boasting an average speed of 9.3 m/s (21 mph), matching levels seen earlier in March. This revival of brisk winds signals a shift from the calmer, warmer months of summer, where July and August experienced their mildest breezes at just 4.5 m/s (10 mph) and 4.1 m/s (9 mph), respectively. Following the gentle whispers of early autumn, the gusts pick up again in September, preparing the landscape for the rapid descent into winter. With November trailing close at 8.1 m/s (18 mph), it’s clear that Siglufjörður’s October winds not only invigorate the crisp Icelandic air but also mark a remarkable transition into a more tempestuous season.

Average October Wind Speed in Siglufjoerdur

The chart displays monthly wind speed patterns in Siglufjoerdur, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec9.17.29.36.65.86.24.54.17.79.3 m/s8.16.8
Data source: Siglufjoerdur October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Siglufjoerdur Compares to Other Months

The weather in Siglufjoerdur 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 Siglufjoerdur and find detailed weather information for every month.

In October, the weather tends to be slightly warmer, with average temperatures around 5°C (41°F) compared to January's average of 1°C (34°F). While both months share a maximum temperature of 9°C (48°F), January experiences a colder minimum temperature of -8°C (18°F) as opposed to October's -2°C (29°F). Additionally, October sees more precipitation with 147 mm (5.8 in) over 20 days, whereas January experiences 118 mm (4.6 in) over 19 days, making October wetter but still relatively humid, with levels at 90% compared to January's humidity of 92%. For those curious about colder conditions, you can check out the detailed climate information here: Siglufjoerdur weather in January.

October and February present distinct differences in weather conditions. In October, temperatures range from a minimum of -2°C (29°F) to an average of 5°C (41°F) and a maximum of 9°C (49°F), accompanied by significant precipitation of 147 mm (5.8 in) over about 20 days, with humidity reaching 90%. In contrast, February tends to be colder, with temperatures dipping lower, as the minimum reaches -5°C (23°F) and the average is only 1°C (34°F), while the maximum remains similar at 9°C (48°F). Precipitation in February is less, totaling 104 mm (4.1 in) over 17 days, but the humidity slightly increases to 93%. For a more detailed look at February weather, you can check this link: Siglufjoerdur weather in February.

October and March present quite distinct weather patterns, showcasing the transition from fall to early spring. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 9°C (49°F), with an average of 5°C (41°F). This month experiences significant precipitation, totaling 147 mm (5.8 in) over approximately 20 days, coupled with high humidity at 90%. In contrast, March tends to be colder, with temperatures dipping as low as -8°C (19°F) and averaging only 1°C (34°F). Although it is slightly drier, March still sees around 101 mm (4.0 in) of precipitation across 19 days, accompanied by even higher humidity levels at 94%. For those curious about specific conditions during this transitional time, you can explore more at Siglufjoerdur weather in March.

When comparing the weather in October and April, we notice some distinct differences. October generally has milder temperatures, with averages around 5°C (41°F) and maximums reaching up to 9°C (49°F), whereas April experiences lower temperatures, averaging 2°C (36°F) and peaking at 8°C (47°F). Precipitation levels also differ significantly; October sees about 147 mm (5.8 in) over 20 days, while April has a lighter total of 79 mm (3.1 in) over just 14 days. Additionally, both months exhibit high humidity, with October at 90% and April slightly higher at 92%. For a closer look at the specific climate conditions, you can check out Siglufjoerdur weather in April.

When comparing the weather in October and May, both months experience similar low temperatures, with October averaging 5°C (41°F) and May slightly lower at 4°C (39°F). However, October tends to be colder overall, with maximum temperatures reaching only 9°C (49°F), compared to May's maximum of 12°C (53°F). Precipitation is significantly higher in October, with 147 mm (5.8 in) falling over 20 days, while May sees a much lighter 59 mm (2.3 in) over just 13 days. Additionally, both months have high humidity levels, with October at 90% and May slightly higher at 91%. For specific details on May weather in Siglufjörður, you can visit Siglufjoerdur weather in May.

October and June present quite different weather experiences. In October, the temperatures range from a chilly -2°C (29°F) at night to a maximum of 9°C (49°F) during the day, with an average of 5°C (41°F). This month sees significant rainfall, totaling 147 mm (5.8 in) over approximately 20 days, creating a notably damp atmosphere with persistent humidity at 90%. In contrast, June offers milder temperatures, starting at a minimum of 2°C (35°F) and peaking at 13°C (56°F), with an average of 7°C (44°F). Rainfall is lighter in June, with 72 mm (2.8 in) spread over about 15 days, while humidity remains consistent at 90%. For a more detailed look at June weather in this region, you can visit Siglufjoerdur weather in June.

When comparing the weather in October to July, it's clear that October is significantly colder and wetter. In October, temperatures range from a minimum of -2°C (29°F) to an average of 5°C (41°F) and a maximum of 9°C (49°F), while July enjoys milder temperatures with a minimum of 4°C (40°F), an average of 9°C (48°F), and a maximum of 14°C (58°F). Additionally, October experiences higher rainfall, with 147 mm (5.8 in) spread across about 20 days, compared to July's 88 mm (3.5 in) over just 15 days. The humidity is slightly lower in July at 91% compared to October's 90%, creating a more humid and wet atmosphere as the year progresses. For more details on July weather, you can refer to Siglufjoerdur weather in July.

In October, the weather in Siglufjörður becomes markedly cooler, with average temperatures ranging from -2°C (29°F) to a maximum of 9°C (49°F). In contrast, August enjoys milder conditions, with temperatures generally between 5°C (41°F) and 17°C (63°F). Additionally, October sees a significant increase in precipitation, totaling 147 mm (5.8 in) over about 20 days, compared to August's 84 mm (3.3 in) spread across 13 days. Humidity levels remain relatively high in both months, but October's humidity reaches 90%, slightly lower than August's 91%. For a detailed look at August weather specifics, visit Siglufjoerdur weather in August.

In comparing the weather of October and September, October tends to be cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 9°C (49°F), compared to September's milder range of 1°C (35°F) to 13°C (56°F). Precipitation is slightly lower in October at 147 mm (5.8 in) over 20 days, while September sees a bit more rainfall at 159 mm (6.3 in) across 19 days. Both months have high humidity levels, with October at 90% and September at 91%. For more details on the weather in September, you can visit Siglufjoerdur weather in September.

In comparing the weather between October and November, we see some notable differences. October generally has slightly milder temperatures, with an average of 5°C (41°F), while November's average drops to 2°C (37°F). Both months experience chilly minimum temperatures, but November is a bit colder at -3°C (28°F) compared to October's -2°C (29°F). When it comes to precipitation, October is wetter, receiving 147 mm (5.8 in) over 20 days, whereas November has slightly less, at 116 mm (4.6 in) across 18 days. However, the humidity remains consistent at 90% for both months. For more specific information about November weather in Siglufjoerdur, you can visit Siglufjoerdur weather in November.

In October, temperatures in Siglufjoerdur range from a minimum of -2°C (29°F) to a maximum of 9°C (49°F), with an average of 5°C (41°F). The weather is relatively wet, with 147 mm (5.8 in) of precipitation over about 20 days and a high humidity level of 90%. By December, the weather turns colder, with temperatures dipping slightly lower, featuring a minimum of -5°C (24°F) and an average temperature of 1°C (35°F). Despite this drop, the maximum temperature can still reach 10°C (50°F), and precipitation levels are similar at 138 mm (5.4 in) over the same number of days. The humidity remains constant at 90%. For more details on the December climate, you can visit Siglufjoerdur weather in December.

Compare Siglufjoerdur's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Siglufjoerdur

As October unfolds in Siglufjörður, the weather takes a noticeable turn, with cooler temperatures and a prominent increase in precipitation that sets it apart from the preceding summer months. While the days are markedly chillier, the humidity remains high, creating a crisp atmosphere that signals the approaching winter. The frequent rain can transform the lush landscapes into a dynamic tapestry of colors, enhancing the town's breathtaking beauty. For a deeper understanding of how October's unique climate shapes this picturesque region, explore more about the Siglufjoerdur Climate.