Last updated: August 27, 2025
In January, Sigtuna, Sweden, showcases a captivating winter climate characterized by a maximum temperature of 10°C (51°F) and a minimum of -23°C (-10°F). The average temperature stands at a brisk -1°C (31°F), offering a true taste of Scandinavian chill. With 34 mm (1.4 in) of precipitation spread over 7 days, residents can expect intermittent snowfall, enhancing the landscape's beauty and charm. The humidity often hovers around a notable 90%, adding a crispness to the air that is quintessentially wintry. Despite the cold, Sigtuna's January weather provides a stunning backdrop for exploring the town's historic sites and natural wonders.
In January, Sigtuna, Sweden, experiences a winter wonderland, with temperatures dipping as low as -23°C (-10°F). The average temperature hovers around a frigid -1°C (31°F), while the mercury can rise to a mild 10°C (51°F) on the warmest days. This chilly climate sets the stage for picturesque snowy landscapes, but as the month progresses into February, conditions remain similarly brisk. The trend continues into March, where temperatures gradually begin to rise, marking a transition towards spring. By April, the minimum dips to -9°C (17°F), yet the average climbs to 5°C (42°F), showcasing Sigtuna's slow awakening from winter. The shift to May brings forth milder conditions, as temperatures range more comfortably, giving a hint of the vibrant summer that follows. Each month, a gradual warming trend is evident, reflecting the beauty of seasonal change in this charming Swedish town.
In January, Sigtuna experiences a moderate precipitation level of 34 mm (1.4 in), falling on approximately seven days throughout the month. This sets a tone of consistent yet gentle rainfall, transitioning from the snowy remnants of December's 56 mm (2.2 in). Interestingly, January's precipitation appears to be slightly higher than that of February, which sees 32 mm (1.2 in). As we move into March, precipitation trends upward again, reaching 41 mm (1.6 in) over eight days. This gradual accumulation suggests a shift towards a wetter spring, with notable increases in rainfall, particularly in May and June, indicating that Sigtuna's landscape is preparing to bloom after the winter thaw. The pattern of precipitation hints at an evolving climate, with early months like January laying the groundwork for the more substantial rains that follow in the coming months.
In January, Sigtuna experiences its peak humidity at a notable 90%, setting a characteristically chilly tone for the month. While humidity slightly decreases to 88% in February and remains relatively high through March at 89%, the trend begins to shift as spring approaches. By April, humidity dips to 85%, paving the way for a transition to the milder months ahead. As the summer unfolds, humidity continues to decline, reaching its lowest point of 74% in July. However, as autumn settles back in, humidity surges upwards, hitting 89% in October and returning to the 90% mark in November, before tapering off to 87% in December. This cyclical pattern of humidity reflects Sigtuna's distinct seasonal changes, where the year begins and ends with notably high moisture levels, contrasting sharply with the drier, warmer months of late spring and summer.
In January, Sigtuna experiences a low UV Index of 1, indicating minimal sun exposure risk for residents and visitors alike. With a burn time of 45 minutes, it's a great opportunity to enjoy outdoor activities without the worry of sunburn. As the months progress, the UV Index gradually rises, peaking at 7 during the summer months of June and July, where protection becomes essential due to the higher risk of skin damage. Interestingly, after the sun-filled summer, the index dips back to lower levels in October, November, and December, returning to a safe 1, ideal for winter strolls. For a closer look at how the UV Index changes throughout the year, check out the details here: Sigtuna UV Index.
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In the quaint town of Sigtuna, Sweden, January greets residents with a mere 71 hours of sunshine, presenting a stark contrast to the bright 483 hours basking in July’s glow. As winter transitions into spring, the increasing daylight becomes palpable, with February bringing 167 hours and March climbing to 258 hours. The sun continues to ascend in April, showering the town with 362 hours of light, and further into the year, May and June delight with 438 and 470 hours, respectively. However, the sun begins to wane as summer fades, with August providing 406 hours before descending to 301 hours in September and tapering off further into the autumn months. By December, residents find themselves back to 72 hours of sunshine, completing the cyclical journey through light and shadow in this serene Scandinavian locale.
In Sigtuna, Sweden, the prospect of sunny weather in January is quite dismal, with a mere 11% chance of sunshine gracing this winter month. As the year progresses, the likelihood of clear skies significantly improves; February sees a rise to 32%, and by March, it reaches 34%. The sun becomes more prevalent with the arrival of spring, peaking in April at 47% before summer ushers in the highest probabilities, with July boasting a sunny 54%. This trend highlights a notable seasonal shift, where the long, dark winter days gradually give way to increasing brightness as the warmer months approach.
In Sigtuna, Sweden, January marks the end of the darkest months, with only 6 hours of daylight. However, as the winter frost begins to thaw, February brings a welcome increase to 9 hours of light, hinting at the promise of spring. The days continue to lengthen in March, reaching 11 hours, and by April, residents can enjoy a substantial 14 hours of daylight. This upward trend peaks in June, when Sigtuna boasts an impressive 18 hours of daylight, allowing for ample exploration and outdoor activities. As summer wanes, daylight gradually tapers off, with July offering 17 hours, August with 15, and September seeing a further decline to 12 hours. The descent into shorter days continues into the fall and winter months, culminating in December mirroring January's 6 hours of daylight. This cyclical pattern of light underscores the seasonal transitions in Sigtuna, painting a vivid picture of nature's rhythms.
In Sigtuna, Sweden, the January wind sweeps through at an average speed of 3.2 m/s (7 mph), setting the tone for a brisk winter season. As the months progress, wind speeds show subtle fluctuations, peaking in March at 3.8 m/s (9 mph) before gently tapering off to 3.1 m/s (7 mph) in May. The summer months bring calmer conditions, with speeds dropping to a mere 2.6 m/s (6 mph) in June, only to gradually rise again in the autumn. October kicks up the pace, boasting 4.0 m/s (9 mph) winds, creating a dynamic transition into winter. While January starts off on the milder side of breezy, the seasonal changes highlight the interplay between calm days and invigorating gusts that characterize this charming town throughout the year.
Weather in Sigtuna varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sigtuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase a transition in winter weather, with both months experiencing cold temperatures and similar precipitation levels. In January, temperatures range from a chilly -23°C (-10°F) to a maximum of 10°C (51°F), with an average temperature of -1°C (31°F) and a humidity level of 90%. February sees slightly milder temperatures, with a minimum of -17°C (1°F) and a maximum of 12°C (53°F), maintaining an average around -1°C (30°F) while humidity decreases slightly to 88%. Precipitation remains consistent, with January recording 34 mm (1.4 in) and February close behind at 32 mm (1.2 in), both over 7 days. For more specific insights into February weather, you can visit Sigtuna weather in February.
January weather in Sigtuna is characterized by much colder temperatures, with a minimum of -23°C (-10°F) and an average temperature around -1°C (31°F). The month experiences moderate precipitation of 34 mm (1.4 in) over approximately 7 days, accompanied by high humidity at 90%. In contrast, March sees a notable warming trend, with minimum temperatures rising to -15°C (5°F) and average temperatures reaching 1°C (35°F). The maximum temperature can even hit 18°C (65°F), and precipitation increases slightly to 41 mm (1.6 in) over 8 days, while humidity remains relatively stable at 89%. For more details about March weather, you can visit Sigtuna weather in March.
January and April present a striking contrast in weather. In January, temperatures are quite frigid, with a minimum of -23°C (-10°F) and an average of -1°C (31°F), whereas April sees milder conditions with temperatures ranging from a minimum of -9°C (17°F) to an average of 5°C (42°F), peaking at 24°C (76°F). Precipitation is slightly lower in April at 28 mm (1.1 in), compared to January's 34 mm (1.4 in), yet both months experience precipitation on about 7 days. Additionally, humidity is marginally lower in April at 85%, compared to January’s 90%. For more detailed insights on April weather in Sigtuna, you can check Sigtuna weather in April.
January and May present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -23°C (-10°F), with an average of -1°C (31°F) and a maximum of only 10°C (51°F). The month sees about 34 mm (1.4 in) of precipitation over 7 days, accompanied by a high humidity level of 90%. In sharp contrast, May experiences much milder temperatures, ranging from a minimum of -5°C (23°F) to an average of 11°C (52°F), peaking at 30°C (85°F). This month also records increased precipitation of 56 mm (2.2 in) over 10 days, but with a lower humidity of 77%. For more details on the weather in May, you can visit Sigtuna weather in May.
January and June present a stark contrast in weather conditions. In January, temperatures can plunge to a minimum of -23°C (-10°F), with an average of -1°C (31°F) and a maximum of 10°C (51°F). This month is characterized by cold, damp conditions, with high humidity levels at 90% and a total precipitation of 34 mm over 7 days. In sharp comparison, June brings a much milder climate, featuring a minimum temperature of 3°C (37°F), an average of 17°C (63°F), and a peak of 31°C (89°F). The summer month experiences slightly higher precipitation of 58 mm across 8 days, yet the humidity drops to a more comfortable 76%. For more details on June weather in Sigtuna, you can refer to Sigtuna weather in June.
In January, the weather is characterized by frigid temperatures, with a minimum of -23°C (-10°F) and an average of -1°C (31°F), peaking at a maximum of 10°C (51°F). The month sees a high level of precipitation, amounting to 34 mm (1.4 in) over about 7 days, with humidity levels reaching a chilly 90%. In stark contrast, July offers a much warmer climate, where temperatures range from a minimum of 6°C (44°F) to an average of 18°C (65°F), and can soar to a maximum of 32°C (91°F). With increased rainfall of 53 mm (2.1 in) spread over 10 days and a reduced humidity of 74%, July's weather is considerably more inviting than the depths of winter. For a detailed look at Sigtuna's summer conditions, check out Sigtuna weather in July.
January and August exhibit stark contrasts in weather, reflecting the extremes of winter and summer. In January, temperatures plummet with minimums reaching -23°C (-10°F) and averages hovering around -1°C (31°F), while maximums only rise to 10°C (51°F). The month is characterized by high humidity at 90% and light precipitation totaling 34 mm (1.4 in) over about 7 days. In contrast, August brings a much milder climate, with minimum temperatures around 4°C (39°F) and averages climbing to 17°C (63°F), peaking at a warm 31°C (88°F). The month sees increased rainfall, with 74 mm (2.9 in) over 12 days, but the humidity is lower at 77%. For more details, check out Sigtuna weather in August.
In January, the weather is characterized by a harsh cold, with temperatures ranging from a chilly -23°C (-10°F) to a maximum of 10°C (51°F) and an average of -1°C (31°F). This month sees approximately 34 mm (1.4 in) of precipitation over about 7 days, accompanied by high humidity levels at 90%. In contrast, September presents a milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a warm maximum of 27°C (80°F), averaging around 13°C (55°F). Precipitation increases slightly to 51 mm (2.0 in) over 8 days, and humidity remains relatively high at 85%. For more details on weather in September, check Sigtuna weather in September.
In January, temperatures can plummet as low as -23°C (-10°F), with an average hovering around -1°C (31°F) and a maximum of 10°C (51°F). The month sees about 34 mm (1.4 in) of precipitation over 7 days and maintains a high humidity level of 90%. In contrast, October experiences milder temperatures, ranging from a minimum of -4°C (25°F) to an average of 8°C (46°F) and reaching up to 19°C (67°F). This month sees increased precipitation at 68 mm (2.7 in) across 12 days, while humidity remains slightly lower at 89%. For more details on the weather, check out Sigtuna weather in October.
In January, the weather is significantly colder, with average temperatures around -1°C (31°F) and extreme lows plummeting to -23°C (-10°F). In contrast, November offers a milder atmosphere, where average temperatures reach 4°C (39°F) and maximum highs can go up to 15°C (59°F). Both months experience high humidity levels at 90%, but January sees less precipitation with 34 mm (1.4 in) over 7 days compared to November's 42 mm (1.6 in) over 9 days. For more specifics about the weather in November, you can visit Sigtuna weather in November.
In comparing the weather of January and December, January tends to be slightly colder, with average temperatures hovering around -1°C (31°F) and reaching a minimum of -23°C (-10°F). December, on the other hand, has a slightly milder average temperature of 0°C (33°F) and a minimum of -18°C (1°F). Precipitation is more frequent in December, with 56 mm (2.2 in) over 13 days, compared to January’s 34 mm (1.4 in) over just 7 days. Humidity levels are relatively high in both months, but January is marginally higher at 90% compared to December's 87%. For more detailed information on December weather specifics, you can refer to Sigtuna weather in December.
January in Sigtuna presents a striking contrast to the milder months of the year, marked by its frigid temperatures that often dip significantly below freezing. While the temperature range showcases the chill, with the average hovering around -1°C, the notable humidity at 90% can intensify the cold feel. Precipitation during this month, though not excessive, contributes to the winter atmosphere with about seven days of light snowfall or rain, adding to the magical yet brisk landscape. This is a time when the beauty of the snowy surroundings is best appreciated, setting January apart as a quintessential winter experience in Sigtuna. To learn more about the climate throughout the year, visit Sigtuna Climate.