January Weather in Grimstad, Norway

Last updated: August 27, 2025

In Grimstad, Norway, January presents a chilly yet picturesque winter experience. With average temperatures hovering around 2°C (36°F), residents and visitors alike can expect to encounter maximums of 10°C (49°F) and minimums that dip to a brisk -11°C (12°F). This month also witnesses 81 mm (3.2 in) of precipitation over 12 days, contributing to the 93% humidity that envelops the region. Whether it’s the delicate frost or the charm of winter landscapes, Grimstad in January offers a unique allure for those who embrace the cold.

January Temperature in Grimstad

In Grimstad, Norway, January brings a chilly embrace with temperatures ranging from a biting -11°C (12°F) to a more moderate 10°C (49°F), resulting in an average of around 2°C (36°F). This month marks the heart of winter, where frosty mornings give way to cooler afternoons. As one transitions into February, the cold slightly intensifies, with minimum temperatures dipping to -12°C (10°F), while the average remains steady. However, the gradual ascent in March introduces a subtle warming trend, with daytime highs peaking at 17°C (64°F). This shift signals the nearing arrival of spring, as temperatures mildly fluctuate—from a frigid start to more comfortable readings. Overall, January stands out as a time when the landscape is cloaked in winter’s chill, setting the stage for the gradual warming that follows in the upcoming months.

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

The chart illustrates January temperature patterns in Grimstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grimstad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363538445261646257504338
Data source: Temperature data for Grimstad 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 Grimstad

January in Grimstad, Norway, typically welcomes 81 mm (3.2 in) of precipitation, falling over 12 days, marking the beginning of the wetter months ahead. As winter melts into spring, precipitation peaks, with February and March receiving 103 mm (4.0 in) and 97 mm (3.8 in) respectively. Interestingly, while January is relatively mild in terms of rainfall, the months that follow see an increase, culminating in notable spikes as fall approaches, with October hitting 169 mm (6.7 in), the wettest month of the year. The trend reveals a gradual escalation in both total precipitation and rainy days from January through November, culminating in a soggy December that sets the stage for the cycle to begin anew.

January Precipitation Trends in Grimstad

The chart displays monthly precipitation patterns in Grimstad, 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 Grimstad, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec811039838838888101115169128152
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Grimstad

In Grimstad, Norway, January stands out with a high humidity level of 93%, setting the tone for a particularly damp winter. This trend of elevated humidity continues into February at 91%, before gradually decreasing in the following months. As spring approaches, March sees a drop to 88%, and by April, humidity levels further decline to 83%. The transition into summer brings a more comfortable range, with humidity stabilizing around 74% in both June and July. However, the onset of autumn sees a resurgence, as September's humidity climbs back up to 86%, and October through December return to the 92% mark. Overall, Grimstad experiences a notable fluctuation in humidity, underscoring the region's lush, maritime climate.

January Average Humidity in Grimstad

This chart illustrates the average monthly humidity levels in Grimstad, 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 Grimstad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grimstad

In January, Grimstad experiences a low UV Index of 1, indicating minimal sun exposure risk, with a burn time of approximately 45 minutes. As winter progresses into February, the UV Index only slightly increases to 2, maintaining the low exposure category and the same burn time. However, as we move into March, the UV Index rises to 3, marking the start of moderate exposure, which requires more vigilance with a shortened burn time of 30 minutes. This upward trend continues into April at an Index of 4, intensifying the need for sun protection as spring unfolds. As summer approaches, the UV Index peaks during May and July at 6-7, indicating a shift to high exposure levels and a critical burn time of just 25 minutes. Interestingly, this high exposure level tapers off by August, followed by a gradual decline to moderate levels in September, only to return to lower levels again in the later months of the year, with October through December all reverting to a UV Index of 1. Overall, the data underscores the importance of adjusting sun protection measures throughout the year in Grimstad. For more details, check the Grimstad UV Index.

Maximum UV Index Levels in Grimstad for January

The chart shows the monthly maximum UV Index (UVI) for Grimstad 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 Grimstad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Grimstad 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 Grimstad

In Grimstad, Norway, January shines with a modest 102 hours of sunlight, marking the slow transition from the long, dark winter months. As the days lengthen, February brings a welcome boost to 177 hours, signaling the gradual return of brighter days. By March, the sun’s presence increases significantly with 287 hours, invigorating the landscape in anticipation of spring. April continues this upward trend with 375 hours, peaking in May at 437 hours, when the sun truly awakens the region’s natural beauty. The summer months from June to July are the sunniest, peaking at 475 hours in July before beginning a gentle decline in August with 410 hours. The pattern shifts again as autumn descends, with September's 289 hours giving way to the shorter days of fall, culminating in a return to winter's limited light with just 98 hours in December. This rhythmic dance of sunlight throughout the year captures the essence of Grimstad's unique climate, where each season offers its own beautiful chapter.

Monthly Sunshine Duration in Grimstad: January Highlighted

The January sunshine duration represents the total number of hours Grimstad 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.
JanFebMarAprMayJunJulAugSepOctNovDec102h177h287h375h437h460h475h410h289h240h134h98h
Data source: Grimstad January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grimstad During January

In Grimstad, Norway, January greets residents with a 34% chance of sunny weather, marking a time when sunlight is still notably elusive compared to the approaching spring months. This percentage hints at a gradual shift, as February sees a slight dip to 30%, before the likelihood of sunny days begins to rise significantly in March, jumping to 47%. As the year progresses, April dazzles with a 66% chance of sunshine, showcasing the region's transition into brighter months. Interestingly, despite the fluctuations, January still stands out with more sun than the subsequent winter months of October, November, and December, which struggle with percentages below 30%. Overall, the data reflects a clear trend: as winter retreats, the sun becomes more prevalent, illuminating the path toward longer, sunnier days.

Percentage of Sunny Days in January in Grimstad

The chart illustrates the percentage of sunny days in Grimstad 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 Grimstad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%30%47%66%33%42%47%49%31%27%26%25%
Data source: Grimstad January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grimstad in January

In Grimstad, Norway, January ushers in a stark winter with just 7 hours of daylight, a contrast to February's modest increase to 9 hours. As spring approaches, daylight continues to lengthen, reaching 11 hours in March and blossoming to 14 hours by April. May delights with an impressive 16 hours, seamlessly leading into the peak of summer in June, where the sun graces the town with 18 hours of daylight. Although July sees a slight dip to 17 hours, August still offers a generous 15 hours. As the seasons shift, September brings a gentle decline to 12 hours, and the descent into autumn becomes evident with October's 10 hours. Finally, November mirrors January's gloom at 7 hours, before December settles in with just 6 hours, marking the return to the darkest days of the year. This rhythmic ebb and flow of daylight showcases nature's cyclical dance, guiding Grimstad from the depths of winter to the vibrancy of summer.

Average Daylight Hours in Grimstad for January

The chart illustrates the variation in daylight duration in Grimstad throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 12m9h 21m11h 52m14h 27m16h 48m18h 7m17h 24m15h 14m12h 44m10h 11m7h 49m6h 29m
Data source: Grimstad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Grimstad

January in Grimstad, Norway, welcomes winter with an average wind speed of 4.8 m/s (11 mph), setting the stage for a brisk and refreshing start to the year. This windswept month stands out with a noticeable calmness compared to February, which sees a slight uptick to 5.5 m/s (12 mph). As spring approaches, wind speeds fluctuate, peaking again in October at 5.6 m/s (12 mph) before descending into gentler breezes during the summer months when averages dip to around 4.0 m/s. However, the trend clearly indicates that January's winds, while steady, are just the beginning of a dynamic cycle, as the seasonal shifts stir both turbulence and tranquility across the year.

Average January Wind Speed in Grimstad

The chart displays monthly wind speed patterns in Grimstad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s5.54.84.54.34.24.04.04.65.65.45.2
Data source: Grimstad January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Grimstad Compares to Other Months

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

January and February share similar average temperatures, with January experiencing a minimum of -11°C (12°F) and a maximum of 10°C (49°F), while February sees slightly colder minimums at -12°C (10°F) and a maximum of 10°C (51°F). Both months have an average temperature around 2°C (36°F to 35°F), highlighting a consistent chill in the air. However, February tends to be wetter, with precipitation rising to 103 mm (4.0 in) over 13 days compared to January's 81 mm (3.2 in) over 12 days. The humidity levels are also similar, with January at 93% and February slightly lower at 91%. For a more detailed look at February weather patterns, check out Grimstad weather in February.

January and March weather in Grimstad presents a notable transition as winter gives way to early spring. In January, temperatures range from a chilly -11°C (12°F) to a mild 10°C (49°F), with an average of 2°C (36°F). The month sees significant precipitation at 81 mm (3.2 in) over 12 days, accompanied by high humidity levels of 93%. In contrast, March experiences slightly warmer temperatures, ranging from -10°C (14°F) to a maximum of 17°C (64°F), with an average temperature of 3°C (38°F). Precipitation increases to 97 mm (3.8 in) over the same number of days, but humidity decreases to 88%. This shift in weather signifies the gradual warming and longer days as spring approaches. For more detailed insights, you can check Grimstad weather in March.

In January, the weather tends to be much colder, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 10°C (49°F) and an average of 2°C (36°F). The month is also characterized by relatively high humidity at 93% and significant precipitation totaling 81 mm (3.2 in) over 12 days. In contrast, April sees a notable warming trend, with temperatures ranging from a minimum of -5°C (23°F) to a comfortable maximum of 17°C (62°F), and an average of 6°C (44°F). The precipitation drops to 38 mm (1.5 in) over just 6 days, and humidity decreases slightly to 83%. For more detailed insights into April weather patterns, visit Grimstad weather in April.

January and May present contrasting weather patterns. In January, temperatures vary from a chilly minimum of -11°C (12°F), with an average of 2°C (36°F) and a maximum of 10°C (49°F). The month is characterized by high humidity at 93% and experiences precipitation on 12 days, totaling 81 mm (3.2 in). In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a more comfortable maximum of 25°C (78°F), averaging 11°C (52°F). This month sees slightly higher precipitation at 83 mm (3.3 in) over 10 days, accompanied by lower humidity at 75%. For more detailed weather insights, you can check Grimstad weather in May.

In January, the weather is quite cold, with temperatures ranging from a frigid minimum of -11°C (12°F) to a maximum of 10°C (49°F), leading to an average temperature of around 2°C (36°F). This month experiences significant precipitation, totaling 81 mm (3.2 in) over 12 days, and boasts high humidity levels at 93%.

In contrast, June brings a much milder climate, with minimum temperatures of 6°C (43°F) and maximums reaching 28°C (83°F), resulting in a comfortable average of 16°C (61°F). Precipitation slightly increases to 88 mm (3.5 in) across 11 days, but humidity decreases to a more comfortable 74%. For a detailed look at the June weather, check out Grimstad weather in June.

January and July present stark contrasts in weather. January experiences colder temperatures, with a minimum dipping to -11°C (12°F) and an average around 2°C (36°F), while July warms up significantly, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F). January also has higher humidity levels at 93%, resulting in a damp chill, compared to July's more comfortable 74% humidity. Precipitation is slightly higher in July at 88 mm (3.5 in) over 11 days, compared to January's 81 mm (3.2 in) over 12 days, but the overall feel of the months is quite different. For more details on the weather during July, you can visit Grimstad weather in July.

January and August present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -11°C (12°F), with an average of 2°C (36°F) and a high of 10°C (49°F). The month experiences heavier precipitation, totaling 81 mm (3.2 in) over about 12 days, combined with high humidity at 93%. In contrast, August boasts much milder temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), with an average of 16°C (62°F). This month sees slightly more precipitation, totaling 101 mm (4.0 in) across 13 days, but humidity is lower at 78%. For a closer look at the pleasant summer weather, check out Grimstad weather in August.

In January, the weather is quite cold, with temperatures ranging from a frigid minimum of -11°C (12°F) to a maximum of 10°C (49°F), and an average temperature of 2°C (36°F). The month is characterized by high humidity at 93% and some precipitation, totaling 81 mm (3.2 in) over about 12 days. In contrast, September brings much milder conditions, with temperature averages rising significantly to a range of 4°C (40°F) to 25°C (77°F), averaging 14°C (57°F). This month has a slightly higher precipitation total of 115 mm (4.5 in) spread over 14 days, and humidity levels are lower at 86%. For a closer look at the September weather specifically, you can explore Grimstad weather in September.

In January, the weather is notably colder, with average temperatures ranging from a chilly -11°C (12°F) to a maximum of 10°C (49°F), coupled with high humidity levels at 93%. This month sees around 81 mm (3.2 in) of precipitation over approximately 12 days, creating a wintry atmosphere. In contrast, October experiences milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to an average of 10°C (50°F) and highs reaching 17°C (62°F). While October has slightly lower humidity at 92%, it also records significantly more precipitation, totaling 169 mm (6.7 in) over about 15 days. For more details on October weather specifics, you can explore Grimstad weather in October.

In comparing the weather between January and November, we see notable differences in temperature and precipitation patterns. January experiences colder conditions, with minimum temperatures plummeting to -11°C (12°F) and an average of 2°C (36°F), while November's milder temperatures range from -6°C (22°F) to a maximum of 14°C (58°F). In terms of precipitation, November is wetter with 128 mm (5.1 in) of rainfall over 16 days, compared to January's 81 mm (3.2 in) over 12 days. Interestingly, the humidity remains relatively high in both months, at 93% in January and 92% in November, creating a damp atmosphere. For more detailed insights, you can check Grimstad weather in November.

In comparing the weather of January and December, January experiences slightly colder temperatures, with a minimum of -11°C (12°F) and an average of 2°C (36°F), while December has a minimum of -9°C (15°F) and an average of 3°C (38°F). Additionally, January sees less precipitation, totaling 81 mm (3.2 in) over 12 days, compared to December's higher 152 mm (6.0 in) spread across 19 days. The humidity levels are similar, with January at 93% and December at 92%. For more insights into the December climate, you can check Grimstad weather in December.

Compare Grimstad's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Grimstad

In Grimstad, January weather presents a stark contrast to the milder months of the year. With temperatures dipping significantly, the chill sets in, making it the coldest period, with frosty nights often reaching sub-zero levels. While winter—indeed—exudes a certain charm with its tranquil, snow-laden scenery, the increased humidity and notable precipitation can bring dismal, dreary days. January tends to feature more rainfall than the summer months, which are typically much drier and sunnier. If you're curious about the overall climate patterns, you can explore further at Grimstad Climate.