Last updated: August 27, 2025
October in Sigtuna, Sweden is characterized by cool temperatures and increased precipitation. With maximums reaching 19°C (67°F) and dropping to a brisk minimum of -4°C (25°F), the month showcases a diverse climate palette. The average temperature stabilizes around 8°C (46°F), providing a crisp backdrop for the picturesque autumn landscapes. Expect approximately 68 mm (2.7 in) of rain spread over 12 days, contributing to the region's signature humidity of 89%. This blend of cooler air and frequent showers creates a quintessential autumn atmosphere, perfect for experiencing the charm of Sigtuna.
In October, Sigtuna, Sweden ushers in the crispness of autumn, with temperatures gradually cooling down from the lingering warmth of September. The month kicks off with a minimum temperature of -4°C (25°F), setting a chilly tone as days shorten. On average, temperatures hover around 8°C (46°F), offering a brisk yet refreshing atmosphere perfect for enjoying the vibrant fall foliage. The maximum highs can reach up to 19°C (67°F), still allowing for the occasional mild day. As October progresses, it's a delightful transition into the heart of fall, hinting at the colder months ahead while enticing visitors with its picturesque scenery and inviting air.
October in Sigtuna, Sweden, brings a notable shift in precipitation, with 68 mm (2.7 in) of rainfall spread over 12 days. This marks an increase from the previous month, September, which recorded 51 mm with only 8 days of rain. The transition into autumn is evident as the skies open up, contributing to a cumulative pattern of rising precipitation since mid-summer. October’s rains provide essential moisture for the changing foliage, enhancing the vibrant hues of the season, while also hinting at the wetter months ahead. As temperatures dip, this uptick in rainfall serves as a reminder of the cozy indoor comforts that await during the colder months.
As the autumn winds sweep across Sigtuna, October brings a noticeable uptick in humidity, rising to 89%. This month's humidity reflects a return to the higher levels typical of the early year, following a gradual decline from the summer lows of 74% in July. After a brief dip in August and a moderate September, the atmospheric moisture increases again, contrasting with the drier months of late spring and early summer. With November looming, Sigtuna's humidity levels are set to remain elevated, echoing the wet chill of winter that is just around the corner, creating an ambiance of crisp air and cozy indoor settings.
In Sigtuna, October ushers in a notable decrease in UV exposure, with the index dropping to 2, categorized as low. This marks a transition from the higher indexes observed in the summer months—where June and July reached a peak of 7—to a more moderate and manageable level. With a burn time of 45 minutes, residents and visitors can comfortably enjoy the outdoors without the immediate concern of sunburn. As autumn settles in, the trend continues toward reduced UV exposure, providing a welcome reprieve as we move closer to winter. For more insights on the UV Index throughout the year, visit Sigtuna UV Index.
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As the vibrant colors of autumn take hold in Sigtuna, October shines with approximately 207 hours of sunlight, marking a gentle decline from the sun-drenched peak of summer. This month captures a distinct transition, moving gracefully from July’s impressive 483 hours to September’s 301 hours, before settling into the crisper ambience of fall. With daylight hours diminishing steadily as winter approaches, October's brightness serves as a reminder of the warmer months, bridging the gap between the lush greenery of summer and the serene stillness of the cold season ahead. Embracing this fleeting sunshine, Sigtuna residents relish the golden hues that illuminate the charming streets and autumn foliage before the longer nights of November descend.
In October, Sigtuna, Sweden, experiences a 28% chance of sunny weather, marking a slight dip as the region transitions from the warmer months. This figure reflects a trend seen as summer gives way to autumn, where the likelihood of sun decreases significantly from July’s peak of 54%. While October does not boast the sunniest days, it echoes the patterns established in September and November, both at 28% as well, suggesting a consistent greying as winter approaches. Still, for those seeking a glimpse of sun amidst the fall foliage, October offers a moderate chance to enjoy the last warmth before the chill of winter sets in.
As autumn deepens in Sigtuna, Sweden, October brings a gentle transition with about 10 hours of daylight, offering a soft reprieve from the vibrant, sun-soaked months of summer. Following a peak of 18 hours in June, daylight hours gradually wane, marking the shift towards the shorter days of winter. While October still enjoys more light than the nearly 7 hours seen in November, it is a clear departure from the lengthy days of spring and summer. This gradual descent into darkness reflects a stunning seasonal rhythm, where the lingering daylight encourages a reflective pause before the long nights of winter take hold.
As autumn settles in, October brings a refreshing change to Sigtuna, Sweden, with an average wind speed of 4.0 m/s (9 mph)—the highest of the year. This invigorating breeze contrasts with the calmer summer months, where wind speeds lingered around 2.6 to 3.1 m/s. While winter months tend to hover around 3.2 to 3.8 m/s, October stands out as a transitional period, emphasizing the shift in seasons. The invigorating gusts serve as a reminder of nature's beauty, inviting both locals and visitors to embrace the crisp air and the stunning autumnal landscapes that Sigtuna has to offer.
Weather in Sigtuna varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sigtuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
October presents a milder climate compared to the harsh chill of January, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 19°C (67°F). Precipitation is relatively higher in October, totaling 68 mm (2.7 in) over 12 days, and the humidity hovers around 89%. In contrast, January experiences significantly colder conditions, with temperatures plunging to as low as -23°C (-10°F) and averaging around -1°C (31°F). The month sees less precipitation, totaling 34 mm (1.4 in) over just 7 days, with humidity slightly increasing to 90%. For more detailed information, check out Sigtuna weather in January.
In October, the weather tends to be milder, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 19°C (67°F), and overall averages around 8°C (46°F). The month experiences more precipitation, accumulating about 68 mm (2.7 in) over approximately 12 days, while maintaining a high humidity level of 89%. In contrast, February is significantly colder, with temperatures hitting lows of -17°C (1°F) and a maximum of 12°C (53°F), resulting in an average of -1°C (30°F). Precipitation in February is lower, at 32 mm (1.2 in) spread over about 7 days, and humidity remains similar at 88%. For more detailed weather insights, you can check Sigtuna weather in February.
When comparing the weather in October and March, October typically presents milder temperatures, with averages around 8°C (46°F) and maximums reaching up to 19°C (67°F). In contrast, March can be significantly colder, with average temperatures only around 1°C (35°F) and lows dropping to -15°C (5°F). Although March has less precipitation, with around 41 mm (1.6 in) over 8 days compared to October’s 68 mm (2.7 in) over 12 days, both months maintain a high humidity level of 89%. For more detailed insights into the weather during March, you can visit Sigtuna weather in March.
When comparing the weather in October and April, both months exhibit distinct characteristics. October boasts milder temperatures with an average of 8°C (46°F) and a maximum of 19°C (67°F), making it relatively warmer than April, which has an average of 5°C (42°F) and can peak at 24°C (76°F). However, April experiences lower minimum temperatures, dipping to -9°C (17°F) compared to October's -4°C (25°F). Rainfall is more frequent in October, with precipitation occurring on 12 days and totaling 68 mm (2.7 in), while April sees less precipitation over only 7 days, accumulating 28 mm (1.1 in). Humidity levels are similar, with October at 89% and April slightly lower at 85%. For a more detailed overview of April's climate, you can check Sigtuna weather in April.
October and May present distinct weather patterns, showcasing the transition from autumn to spring. In October, temperatures range from a chilly -4°C (25°F) at night to a comfortable 19°C (67°F) during the day, with an average of 8°C (46°F). The month experiences relatively high humidity at 89% and receives 68 mm (2.7 in) of precipitation over 12 days. In contrast, May offers milder conditions, with nighttime lows of -5°C (23°F) and daytime highs reaching up to 30°C (85°F), resulting in an average temperature of 11°C (52°F). Precipitation is lower at 56 mm (2.2 in) across 10 days, and humidity drops to 77%. For more details on May weather, check Sigtuna weather in May.
The weather in October presents a noticeable contrast to June, characterized by cooler temperatures and higher humidity levels. In October, the minimum temperature can drop to as low as -4°C (25°F), with an average of 8°C (46°F) and a maximum reaching 19°C (67°F). This month experiences about 68 mm (2.7 inches) of precipitation over 12 days, along with a high humidity of 89%. In contrast, June enjoys milder conditions, with temperatures ranging from a minimum of 3°C (37°F) to an average of 17°C (63°F) and a maximum of 31°C (89°F). It has less rainfall at 58 mm (2.3 inches) over just 8 days and a lower humidity level of 76%. For more details, check out Sigtuna weather in June.
October weather is noticeably cooler and wetter than July, with average temperatures ranging from a chilly 8°C (46°F) to a maximum of 19°C (67°F). In contrast, July enjoys warmer temperatures, averaging 18°C (65°F) and peaking at 32°C (91°F). Additionally, October experiences a higher level of precipitation, with 68 mm (2.7 in) falling over 12 days, compared to July's 53 mm (2.1 in) over 10 days. Humidity levels are also higher in October at 89%, compared to 74% in July, making the latter a significantly drier and more pleasant month overall. For more details on July weather, you can check Sigtuna weather in July.
October and August present notably different weather patterns. In October, temperatures range from a chilly -4°C (25°F) at night to a mild 19°C (67°F) during the day, with an average temperature of 8°C (46°F). The month experiences about 68 mm (2.7 in) of precipitation spread over 12 days and is characterized by high humidity at 89%. In contrast, August offers a much warmer climate, with temperatures fluctuating between 4°C (39°F) at night and a maximum of 31°C (88°F) during the day, averaging around 17°C (63°F). Although August sees slightly higher precipitation levels at 74 mm (2.9 in) over 12 days, the humidity is lower at 77%. For more detailed information on August weather in Sigtuna, you can visit Sigtuna weather in August.
In comparing the weather between September and October, a distinct shift is evident. September typically enjoys milder temperatures, with averages around 13°C (55°F) and maximums reaching 27°C (80°F), while October sees a drop to an average of just 8°C (46°F), peaking at 19°C (67°F). Additionally, October experiences more precipitation, totaling 68 mm (2.7 in) over approximately 12 days, compared to September's 51 mm (2.0 in) over 8 days. The humidity also rises slightly in October, reaching 89% compared to September's 85%. For more specific insights into September weather, you can visit Sigtuna weather in September.
October and November exhibit a notable shift in weather conditions. October sees milder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 19°C (67°F), with an average of 8°C (46°F). In contrast, November experiences cooler temperatures, with a minimum plunging to -13°C (9°F) and an average of just 4°C (39°F). While October receives more precipitation at 68 mm (2.7 in) over 12 days, November is slightly drier, recording 42 mm (1.6 in) across 9 days. Humidity remains high in both months, with November reaching an average of 90%. For more detailed information about weather patterns during this time, check out Sigtuna weather in November.
In October, the weather features a milder temperature range, with lows around -4°C (25°F) and highs reaching up to 19°C (67°F), making it quite pleasant for outdoor activities. The month experiences an average temperature of 8°C (46°F) and sees about 68 mm (2.7 in) of precipitation over 12 days, accompanied by high humidity at 89%. In contrast, December brings a significant drop in temperatures, with a minimum of -18°C (1°F) and a maximum of only 9°C (49°F), resulting in an average chilly temperature of 0°C (33°F). While precipitation decreases slightly to 56 mm (2.2 in) over 13 days, the humidity remains relatively high at 87%. For more detailed insight into the conditions, you can check Sigtuna weather in December.
As October unfolds in Sigtuna, the weather presents a striking contrast to the warm, sun-filled days of summer. With temperatures dipping to a chilly average of 8°C (46°F) and nighttime lows plunging to -4°C (25°F), locals and visitors alike must prepare for the brisk embrace of autumn. Additionally, the month's 68 mm (2.7 in) of precipitation over 12 days leads to a notable increase in humidity, typically hovering around 89%. This combination of cooler temperatures and frequent rain transforms the landscape, showcasing the vibrant fall foliage while preparing for the upcoming winter chill. For a comprehensive understanding of how October fits into the yearly climate patterns, explore Sigtuna Climate.