January Weather in Sarpsborg, Norway

Last updated: August 27, 2025

January in Sarpsborg, Norway, presents a diverse winter climate, characterized by a maximum temperature reaching 11°C (53°F), while the average hovers around 1°C (34°F). The month can be chilly, with temperatures dropping to a minimum of -15°C (5°F), potentially challenging for outdoor activities. Rainfall contributes to the season's character, with 54 mm (2.1 in) accumulating over approximately 9 days. High humidity levels at 94% create a crisp atmosphere, making this month a unique blend of frosty days and occasional wetter periods.

January Temperature in Sarpsborg

In January, the temperatures in Sarpsborg, Norway exhibit a stark winter chill, with minimums plunging to a frigid -15°C (5°F). However, the average temperature hovers around 1°C (34°F), offering a slight respite from the extreme cold. Daytime highs can reach up to 11°C (53°F), providing brief opportunities to experience the serene beauty of winter landscapes. As the month progresses into February, temperatures dip further with a low of -16°C (4°F), indicating a continued frosty trend. This cold climate gradually transitions into milder conditions as spring approaches, highlighted by an upward trend in temperatures through March and April, where we can expect averages to rise to 3°C (37°F) and 7°C (45°F) respectively. The shifting temperatures not only mark a transition in the season but also showcase the enchanting contrasts that Sarpsborg experiences throughout the winter months.

January Weather in Sarpsborg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sarpsborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarpsborg, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec343337445363656256484034
Data source: Temperature data for Sarpsborg 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.

January Precipitation in Sarpsborg

In January, Sarpsborg experiences 54 mm (2.1 in) of precipitation, typically spread over 9 rainy days. This marks the start of the year with a relatively moderate water input, laying the groundwork for the wetter months ahead. As winter transitions to spring, precipitation steadily increases, peaking in September and October with 101 mm (4.0 in) and 117 mm (4.6 in), respectively, reflecting a notable seasonal trend of escalating rain. Additionally, while the early months feature fewer rainy days, by August and October, the frequency of precipitation days rises, hinting at a shift towards a wetter climate as the region gears up for autumn. Overall, January serves as a gentle introduction to the progressively wetter months that follow, illustrating Sarpsborg's characteristic climatic cycle.

January Precipitation Trends in Sarpsborg

The chart displays monthly precipitation patterns in Sarpsborg, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sarpsborg, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54605931687488861011178887
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Sarpsborg

In January, Sarpsborg, Norway, experiences its peak humidity, averaging a high 94%, which sets the tone for a remarkably damp winter. This trend slightly eases in February, dropping to 92%, and continues to decline through the early spring months, with March at 89% and April at 82%. As spring transitions into summer, humidity levels further decrease, reaching their annual low of 71% in June and maintaining a relatively comfortable range through July and August. However, as autumn approaches, the humidity makes a notable comeback, rising to 86% in September and climbing again to 93% by November and December. This cyclical pattern of humidity in Sarpsborg highlights the region's distinct seasonal variations, making it crucial for residents and visitors to prepare for both the crispness of winter and the moist warmth of summer.

January Average Humidity in Sarpsborg

This chart illustrates the average monthly humidity levels in Sarpsborg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sarpsborg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sarpsborg

In January, the UV Index in Sarpsborg, Norway registers at a low level of 1, indicating minimal sun exposure risks and a generous burn time of 45 minutes. This trend of low UV levels continues into February. However, as winter draws to a close, there's a noticeable increase in UV exposure starting in March, where the index rises to 3, marking the shift to moderate levels with a reduced burn time of 30 minutes. This escalating pattern continues through April and May, peaking at 5 in May, while the arrival of summer in June and July brings a sharp uptick, reaching a high of 7, where caution is advised with only 25 minutes of safe sun exposure. As the seasons transition back to fall, the UV Index dips to more manageable levels, reflected in September and October, before settling back at a low level through the end of the year. With this knowledge, planning sun exposure throughout the winter into summer is essential for ensuring skin safety. For more detailed insights, check Sarpsborg UV Index.

Maximum UV Index Levels in Sarpsborg for January

The chart shows the monthly maximum UV Index (UVI) for Sarpsborg in January, 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. In January, the maximum UV index in Sarpsborg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Sarpsborg January 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.

January Sunshine in Sarpsborg

In Sarpsborg, Norway, January greets residents with a modest 91 hours of sunshine, a warm-up to a gradual increase as the month transitions to February, where daylight hours nearly double to 180. As the winter chill wanes, March brings a noticeable boost, offering 288 hours of sun, and the trend continues through the spring months, peaking in June with a vibrant 464 hours. The summer crown hits its apex in July, where Sarpsborg basks in 475 hours of golden rays, setting the stage for a gentle decrease in daylight as autumn approaches. By October, sunshine declines to 236 hours, and as winter returns, the days once again shorten, culminating in the quiet 99 hours of December. This annual rhythm not only defines Sarpsborg’s climate but also paints a vivid picture of nature’s ebb and flow through the seasons.

Monthly Sunshine Duration in Sarpsborg: January Highlighted

The January sunshine duration represents the total number of hours Sarpsborg experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec91h180h288h373h429h464h475h409h290h236h137h99h
Data source: Sarpsborg January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sarpsborg During January

In Sarpsborg, Norway, January tends to be a month characterized by a 35% chance of sunny weather, reflecting a modest start to the year. As the winter wraps up, February shows a slight improvement with 42% likelihood of sunshine, hinting at the impending transition to spring. This upward trend continues into March and April, where the chances of sunny days rise to 44% and 55%, respectively. Interestingly, while May dips to 31%, it seems like a temporary setback as summer approaches, bringing a resurgence in sun likelihood through the warmer months of June and July. Overall, January serves as a launching point for progressively sunnier months ahead, setting the tone for the vibrant days of spring and summer.

Percentage of Sunny Days in January in Sarpsborg

The chart illustrates the percentage of sunny days in Sarpsborg throughout the year, with January 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 Sarpsborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%44%55%31%42%45%41%27%31%23%30%
Data source: Sarpsborg January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sarpsborg in January

In Sarpsborg, Norway, January heralds the year with a modest 6 hours of daylight, a stark reminder of the winter's grip. As the calendar transitions to February, light begins to seep back into daily life, increasing to 9 hours. The gradual return of the sun gains momentum through March and April, where daylight expands to 11 and 14 hours respectively, encouraging the awakening of nature. May dazzles with 17 hours of brightness, leading into the long days of summer that peak in June with an impressive 18 hours. Following this zenith, daylight starts to recede gently, with July maintaining 17 hours before tapering off in August to 15 hours. As autumn sets in, the light dwindles further, and by November, it’s down to 7 hours, mirroring the return of winter. This rhythmic ebb and flow of daylight not only defines each month in Sarpsborg but also paints the seasonal landscape of life and activity in this charming Norwegian town.

Average Daylight Hours in Sarpsborg for January

The chart illustrates the variation in daylight duration in Sarpsborg throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 58m9h 14m11h 52m14h 33m17h 1m18h 26m17h 40m15h 23m12h 46m10h 6m7h 38m6h 12m
Data source: Sarpsborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Sarpsborg

In January, Sarpsborg, Norway, experiences an average wind speed of 3.7 m/s (8 mph), setting a tranquil tone for the month as winter settles in. As the year progresses into February and March, the winds pick up slightly, hovering at 3.9 m/s (9 mph), hinting at the approaching spring. By late spring, April sees a gentle decline back to 3.8 m/s, followed by a notable dip to 3.3 m/s (7 mph) in May, as the warmth starts to envelop the region. The summer months maintain this calm atmosphere, with wind speeds dropping to 3.1 m/s (7 mph) in July. However, a shift occurs in October, when winds rise sharply to an invigorating 4.7 m/s (11 mph), reflecting the changing seasons and the onset of autumn. Overall, the trend reveals a dynamic yet gentle wind pattern, a soothing reminder of nature's rhythms as Sarpsborg transitions from winter to the refreshing breezes of fall.

Average January Wind Speed in Sarpsborg

The chart displays monthly wind speed patterns in Sarpsborg, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.7 m/s3.93.93.83.33.43.13.33.54.73.93.5
Data source: Sarpsborg January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Sarpsborg Compares to Other Months

Weather in Sarpsborg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sarpsborg, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, temperatures range from a minimum of -15°C (5°F) to a maximum of 11°C (53°F), with an average temperature of 1°C (34°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 9 days, with humidity levels consistently high at 94%. In contrast, February experiences slightly colder temperatures, with a minimum of -16°C (4°F), an average of 0°C (33°F), and a maximum of 12°C (54°F). Precipitation increases slightly to 59 mm (2.3 in) over about 10 days, while humidity decreases slightly to 92%. For more detailed information, check out Sarpsborg weather in February.

In January, temperatures in Sarpsborg can dip as low as -15°C (5°F), with an average around 1°C (34°F) and a maximum reaching 11°C (53°F). The month experiences considerable precipitation of 54 mm (2.1 in) over 9 days, coupled with high humidity levels at 94%. In contrast, March brings a slight warming, with minimum temperatures of -13°C (9°F), an average of 3°C (37°F), and maximums of 16°C (60°F). While precipitation increases slightly to 59 mm (2.3 in) over the same number of days, humidity decreases to 89%. For more detailed information, you can check Sarpsborg weather in March.

In January, the weather is significantly colder, characterized by minimum temperatures plunging to -15°C (5°F) and an average temperature of around 1°C (34°F). Precipitation levels are relatively higher, with about 54 mm (2.1 in) falling over 9 days, and the humidity is quite high at 94%. In contrast, April sees a marked shift towards milder conditions, with minimum temperatures of -7°C (20°F) and an average of 7°C (45°F), peaking at 22°C (71°F). Precipitation decreases to 31 mm (1.2 in) across 6 days, and humidity drops to 82%. For more detailed insights, you can visit Sarpsborg weather in April.

In January, the weather is characterized by frigid temperatures, ranging from a minimum of -15°C (5°F) to a maximum of 11°C (53°F), with an average of just 1°C (34°F). The month experiences high humidity at 94%, leading to a chilly atmosphere along with 54 mm (2.1 in) of precipitation over approximately 9 days. In contrast, May brings a significant warmth, with temperatures starting from a minimum of 0°C (32°F) and rising to a maximum of 31°C (88°F), while the average temperature is a comfortable 12°C (53°F). Although there is slightly more precipitation in May at 68 mm (2.7 in) over 11 days, the humidity drops to 73%, making it a much more pleasant month. For more details, you can explore Sarpsborg weather in May.

In January, the weather is notably cold, with temperatures ranging from a chilling -15°C (5°F) at night to a mild 11°C (53°F) during the day. The month sees an average temperature of 1°C (34°F) and experiences high humidity at 94%, contributing to a real sense of winter. With 54 mm (2.1 in) of precipitation over 9 days, the likelihood of snow or rain adds to the cold atmosphere.

In contrast, June brings a significant change, with temperatures rising from a minimum of 5°C (42°F) to a warm maximum of 30°C (87°F) and an average of 17°C (63°F). Humidity drops to a more comfortable 71%, and the month sees slightly higher precipitation at 74 mm (2.9 in) across 12 days, which often occurs in the form of summer showers. For more details, check out Sarpsborg weather in June.

In January, the weather in Sarpsborg is characterized by cold temperatures, with a minimum of -15°C (5°F) and an average of 1°C (34°F), making it a relatively chilly month. The humidity is quite high at 94%, and precipitation occurs on about 9 days, totaling 54 mm (2.1 in). In contrast, July boasts much warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (92°F) and an average of 18°C (65°F). While July experiences slightly more precipitation at 88 mm (3.5 in) over 11 days, the humidity drops to a more comfortable 72%. For a closer look at what to expect, check out Sarpsborg weather in July.

January and August in Sarpsborg present strikingly different weather patterns. In January, temperatures can dip to a minimum of -15°C (5°F), with average highs around 1°C (34°F) and a chilly maximum of 11°C (53°F). The month is characterized by high humidity at 94% and frequent precipitation, occurring on about 9 days, totaling 54 mm (2.1 in). In contrast, August boasts a much milder climate, with temperatures ranging from a minimum of 6°C (43°F) to an average of 17°C (62°F), and maximums reaching up to 29°C (84°F). Precipitation in August is slightly higher at 86 mm (3.4 in), spread over about 14 days, but the humidity is lower at 77%. For a closer look at August weather in this region, visit Sarpsborg weather in August.

In January, the weather is characterized by much colder temperatures, with lows reaching -15°C (5°F) and an average of only 1°C (34°F). Precipitation is moderate at 54 mm (2.1 in) over about 9 days, and the humidity is notably high at 94%, creating a chilly and damp atmosphere. In contrast, September sees a significant warming trend, with minimum temperatures around 0°C (33°F) and averages climbing to 13°C (56°F). The maximum temperatures can reach up to 24°C (76°F), providing a much more comfortable feel. September also experiences increased precipitation at 101 mm (4.0 in) over 11 days, but with lower humidity at 86%, leading to more pleasant weather conditions. For detailed weather insights, visit Sarpsborg weather in September.

In January, the weather in Sarpsborg is quite frigid, with temperatures ranging from a chilly -15°C (5°F) at night to a daytime average of just 1°C (34°F), peaking at a maximum of 11°C (53°F). The month experiences significant snowfall, providing 54 mm (2.1 in) of precipitation over about 9 days, accompanied by high humidity levels at 94%. In contrast, October ushers in milder conditions, with temperatures starting at a minimum of -4°C (26°F), averaging 9°C (48°F), and a maximum of 18°C (64°F). This month also sees a wetter pattern, with 117 mm (4.6 in) of precipitation spread across 14 days and slightly lower humidity at 92%. For more details, you can check Sarpsborg weather in October.

When comparing the weather in January and November, January tends to be colder, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 11°C (53°F), while November offers slightly milder conditions, with temperatures varying from -9°C (16°F) to 15°C (60°F). Precipitation is more frequent in November, accumulating to 88 mm (3.5 in) over 13 days, compared to January's 54 mm (2.1 in) over 9 days. Additionally, the humidity levels are relatively similar, with January at 94% and November at 93%. For more detailed insights into November’s weather, you can check out Sarpsborg weather in November.

In comparing the weather between January and December, both months exhibit cold temperatures, with January experiencing a minimum of -15°C (5°F) and a maximum of 11°C (53°F), while December is slightly milder with a minimum of -13°C (10°F) and a maximum of 10°C (51°F). The average temperature remains the same at 1°C (34°F) for both months. However, January sees less precipitation overall, with 54 mm (2.1 in) falling over 9 days compared to December's 87 mm (3.4 in) over 15 days. Humidity levels are quite similar, with January at 94% and December slightly lower at 93%. For more detailed information about December weather, check Sarpsborg weather in December.

Compare Sarpsborg's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Sarpsborg

January in Sarpsborg presents a striking contrast to other months, characterized by its chilly temperatures and significant precipitation. While the average temperature hovers around 1°C, the occasional warmth can peak at 11°C, yet the biting cold can drop to a frigid -15°C. With humidity levels reaching a notable 94%, the air often feels heavier than in the milder months. This month typically sees about nine days of rainfall, contributing to the overall wintery atmosphere. For those intrigued by the climatic nuances of Sarpsborg, explore more at Sarpsborg Climate.