Last updated: March 17, 2025
In Mosfellsbær, Iceland, January brings a dramatic range of temperatures, with highs reaching up to 10°C (50°F) and plunging to a chilly -16°C (3°F) at night. The average stands at -1°C (30°F), creating a crisp winter atmosphere. This month is characterized by frequent precipitation, totaling 118 mm (4.6 in) over 16 days, resulting in a notably humid environment with 96% humidity. The combination of cooler temperatures and frequent moisture contributes to a wintry landscape, painting a picturesque scene typical of Icelandic winters.
In Mosfellsbær, Iceland, January ushers in a chilly embrace, with temperatures dipping as low as -16°C (3°F) and peaking at a brisk 10°C (50°F). The month showcases an average of -1°C (30°F), setting the tone for a winter characterized by stark contrasts and frosty mornings. As the season progresses into February, the cold intensifies slightly, presenting an even lower minimum of -22°C (-7°F) but maintaining a consistent average. Notably, March begins to hint at the forthcoming spring, with temperatures gently nudging upward, reflected in a modest average rise to 1°C (33°F). While January and February remain firmly entrenched in winter's grasp, March and April start to break the icy hold, hinting at the gradual transition towards milder weather. Overall, January's cold character serves as a precursor to the warming trend that follows, making Mosfellsbær a captivating winter destination.
In January, Mosfellsbær experiences a notable weather pattern characterized by 118 mm (4.6 in) of precipitation spread across 16 rainy days. This sets the tone for the winter months, marking it as a time when the region begins to shake off the frosty clutches of December. As winter progresses into February, precipitation increases slightly to 131 mm (5.1 in), along with a further rise in rainy days to 17, hinting at a trend of wetter conditions. However, after peaking in February, the amount of precipitation tends to decrease gradually, with March and April recording 106 mm (4.2 in) and 123 mm (4.8 in), respectively, while maintaining the same number of rainy days. This pattern showcases the dynamic nature of Icelandic winters, where precipitation remains a constant, albeit fluctuating, feature, ultimately leading to a vibrant and lush landscape as spring approaches.
In January, Mosfellsbær, Iceland experiences an impressive 96% humidity, marking it as one of the dampest months of the year. This high humidity level is indicative of the region's winter climate, where moisture-laden air contributes to the crisp, chilly conditions typical of the season. As winter progresses into February and March, humidity slightly decreases to 95% and 94%, respectively, yet remains notably high. Transitioning into spring, we see a more significant drop starting in April with humidity dropping to 87%, continuing to decrease through the months. By May and June, humidity stabilizes around 85% to 81%, highlighting a gradual shift towards drier conditions as temperatures rise. This trend ebbs and flows with the changing seasons, as August and September see a rebound to 88% and 92%, showcasing the lingering moisture of summer. Overall, while January stands out for its peak humidity, the month sets the stage for dynamic changes throughout the year.
In January, Mosfellsbaer, Iceland experiences a low UV Index of 1, indicating minimal sun exposure risk and a comfortable burn time of 45 minutes. This trend of low UV levels persists through February, maintaining the same index and exposure category. As spring approaches in March, the UV Index rises slightly to 2, still within the low range, hinting at the gradual increase in solar intensity. By April, the index jumps to 4, entering the moderate category, which continues into May as the days grow longer. The summer months of June and July bring the highest UV levels at 6, classified as high, with recommended burn times decreasing to 25 minutes. As summer fades into fall, the UV Index dips again, with levels returning to moderate and low until December. This natural rhythm in the UV Index throughout the year underscores the importance of staying informed about the sun's intensity. For a more detailed understanding of UV levels, check out the Mosfellsbaer UV Index.
UV Risk Categories
In Mosfellsbær, Iceland, January typically ushers in the winter with a mere 30 hours of sunshine, casting a tranquil shadow over the landscape. However, as February approaches, the daylight begins to stretch to 84 hours, hinting at the promise of spring ahead. By March, the sun reclaims more of the sky, illuminating the quaint village for 184 hours, while April brightens even further with 211 hours. The sun reaches its summer zenith in May, showering the area with an impressive 334 hours of warm rays, before a slight decline in June and July, where it bathes Mosfellsbær for 308 and 307 hours, respectively. As summer transitions to autumn, sunshine gradually retreats through August (282 hours) and September (181 hours), leading into the cooler months of October (131 hours) and November (67 hours), before the cycle culminates in December with just 24 hours of daylight. This rhythmic ebb and flow not only marks the changing seasons but also paints a vivid picture of Iceland's unique climate throughout the year.
In Mosfellsbær, Iceland, January offers a modest 30% chance of sunny weather, which stands in stark contrast to the dimmer prospects of the following months, particularly February with just 16%. It appears that as winter deepens, the likelihood of sunlight dwindles, hitting a low of 8% in August. Interestingly, the chances gradually rebound in the spring, with April seeing 24% sunshine and soaring to 44% by May. This trend highlights January as a relatively bright beacon in the heavier winter months, though the balance tilts back to more overcast conditions as the year progresses towards summer.
In Mosfellsbær, Iceland, January begins with a mere 5 hours of daylight, setting the stage for the gradual increase in light as the year progresses. By February, the days stretch to 8 hours, hinting at the impending arrival of spring. The transition accelerates in March, where daylight expands to 11 hours, and by April, the sun shines for an impressive 15 hours, illuminating the awakening landscape. As May approaches, daylight peaks at 18 hours, only to reach its zenith in June with 20 hours of sun, creating a vibrant atmosphere. However, the light starts to wane in July, receding slightly to 19 hours, and continues to decline through the autumn months, with September offering 12 hours and October reducing to 9 hours. By November, daylight dwindles to 6 hours, eventually dropping to just 4 hours in December, showcasing the stark contrast between the sun-drenched summer and the long, dark winters of this enchanting region. This rhythmic ebb and flow of daylight reflect the unique beauty of Iceland's seasonal cycle.
In January, Mosfellsbær experiences a consistent wind speed averaging 3.8 m/s (9 mph), a level that sets the tone for the month and mirrors conditions in both February and March. This steadiness may suggest a deeper climatic trend as winter progresses, where the winds maintain a brisk yet manageable presence. As spring approaches, the wind speed subtly decreases, dipping to 3.5 m/s (8 mph) in April, before settling at its lowest in May at 3.0 m/s (7 mph). It's interesting to note that just as summer nears, the winds pick up once more, hinting at the dynamic nature of Mosfellsbær's climate. The shifting patterns reveal a captivating relationship between seasonal change and wind velocity, with September boasting the highest reading at 4.0 m/s (9 mph), before a gradual tapering resumes into the cooler months. This dance of wind speeds not only shapes the character of Mosfellsbær's January but also underscores the region's unique and changing weather patterns throughout the year.
The weather in Mosfellsbaer changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mosfellsbaer and find detailed weather information for every month.
January experiences milder temperatures compared to February, with a minimum of -16°C (3°F) versus February's colder -22°C (-7°F). While both months share an average temperature of around -1°C (30°F), January peaks slightly higher at 10°C (50°F) compared to February's maximum of 8°C (47°F). Precipitation levels are also notable, with January receiving 118 mm (4.6 in) over 16 days and February totaling 131 mm (5.1 in) across 17 days. Humidity is consistently high in both months, though January sits at 96% and February is marginally lower at 95%. For more details on the weather specifics in February, you can check out Mosfellsbaer weather in February.
January weather is characterized by colder temperatures, with a minimum of -16°C (3°F) and an average around -1°C (30°F), while March sees a slight increase with minimum temperatures around -15°C (5°F) and an average of 1°C (33°F). Both months experience significant precipitation, although January is slightly wetter, receiving 118 mm (4.6 in) over 16 days compared to March's 106 mm (4.2 in) over 17 days. The humidity remains high in both months, with January at 96% and March at 94%, contributing to the chilly atmosphere. For a more detailed look at March weather, check out Mosfellsbaer weather in March.
When comparing the weather in January and April, it's clear that April offers a significant warming trend. January typically sees much colder temperatures, with a minimum plunge of -16°C (3°F) and an average of -1°C (30°F), contrasted with April's milder minimum of -10°C (15°F) and average of 4°C (39°F). Precipitation levels are quite similar, with January receiving 118 mm (4.6 in) over 16 days and April slightly higher at 123 mm (4.8 in) over 17 days. Additionally, the humidity in January is notably higher at 96%, while April's humidity falls to 87%. For more details on what you can expect, check out Mosfellsbaer weather in April.
January and May present quite contrasting weather conditions. In January, temperatures can drop as low as -16°C (3°F), with an average of -1°C (30°F) and a maximum of 10°C (50°F). The month is characterized by high humidity levels at 96% and considerable precipitation, totaling 118 mm (4.6 in) across 16 days. In contrast, May sees a milder climate, with minimum temperatures around -4°C (25°F) and averages reaching 7°C (44°F), peaking at 16°C (62°F). Although May also experiences similar total precipitation of 118 mm (4.6 in), it falls over 18 days, and humidity decreases to a more comfortable 85%. For more insights into weather patterns, you can check Mosfellsbaer weather in May.
January and June present strikingly different weather patterns. In January, temperatures can plummet to a minimum of -16°C (3°F), with an average of -1°C (30°F) and a maximum of 10°C (50°F). The month experiences significant precipitation of 118 mm (4.6 in) over 16 days, coupled with high humidity levels of 96%, creating a cold and damp atmosphere. In contrast, June offers a much milder climate, with minimum temperatures around 2°C (35°F) and an average of 9°C (49°F), peaking at a pleasant 20°C (68°F). Precipitation decreases to 94 mm (3.7 in) over 15 days, and humidity drops to a more comfortable 81%. For more details on the pleasant weather conditions during this month, check out Mosfellsbaer weather in June.
In January, the weather is characterized by frigid temperatures, with a minimum of -16°C (3°F) and an average around -1°C (30°F), reaching a maximum of 10°C (50°F). This month experiences 118 mm (4.6 in) of precipitation over 16 days and a high humidity level of 96%, creating a chilly and damp atmosphere. In contrast, July brings a significant warming trend, with temperatures ranging from a minimum of 3°C (38°F) to a pleasant average of 11°C (53°F) and peaks at 23°C (73°F). Precipitation drops to 76 mm (3.0 in) across the same number of days, accompanied by a decrease in humidity to 86%. For a closer look at the warm and vibrant conditions of July, you can check out Mosfellsbaer weather in July.
January and August present stark contrasts in weather. In January, temperatures can plummet as low as -16°C (3°F) and typically hover around -1°C (30°F), while August offers a milder climate with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 20°C (69°F). Precipitation is more frequent in January, with 118 mm (4.6 in) falling over 16 days compared to August's 83 mm (3.3 in) over 15 days. Additionally, January's high humidity level of 96% creates a chill that feels more intense, while August’s 88% humidity adds a touch of warmth to the summer atmosphere. For more details on the weather in August, you can check Mosfellsbaer weather in August.
The weather in January is characterized by much colder temperatures, with minimums plummeting to -16°C (3°F) and an average around -1°C (30°F), while September experiences a milder climate, where temperatures range from a minimum of -3°C (27°F) to an average of 8°C (47°F). Precipitation is more frequent in September, with 162 mm (6.4 in) falling over 20 days, compared to January's 118 mm (4.6 in) over 16 days, yet January's humidity at 96% slightly edges out September's 92%. For a closer look at what to expect during September, you can visit Mosfellsbaer weather in September.
In January, the weather is significantly colder, with temperatures ranging from a brisk -16°C (3°F) to a somewhat milder maximum of 10°C (50°F), accompanied by high humidity at 96%. This month also sees considerable precipitation, totaling 118 mm (4.6 in) spread over 16 days, creating a stark, wintry landscape. In contrast, October experiences a milder climate with minimum temperatures of -6°C (22°F) and an average of 5°C (41°F). While it also has a similar number of rainy days (16), the total precipitation is lower at 94 mm (3.7 in), and the humidity is slightly less at 93%. For more details about the weather during this time, you can visit Mosfellsbaer weather in October.
January and November exhibit stark differences in weather conditions, although both months are characterized by cold temperatures. In January, the minimum temperature can plummet to a chilling -16°C (3°F), with an average of -1°C (30°F) and a maximum of only 10°C (50°F). This month experiences more precipitation, totaling 118 mm (4.6 in) over 16 days, along with high humidity levels at 96%. In contrast, November features slightly milder temperatures, with a minimum of -12°C (11°F), an average of 1°C (34°F), and a maximum of 11°C (53°F). Precipitation in November is somewhat lower at 105 mm (4.1 in) across 15 days, with humidity remaining relatively high at 94%. For those looking to explore the climate in more detail, check out Mosfellsbaer weather in November.
In January, the weather in Mosfellsbaer is slightly colder than in December, with average temperatures around -1°C (30°F) compared to 0°C (32°F) in December. Both months experience similar maximum temperatures, peaking at 10°C (50°F). January also sees slightly more precipitation at 118 mm (4.6 in) over 16 days, while December has 107 mm (4.2 in) over 17 days. Humidity remains high in both months, with January at 96% and December at 95%. For more details, you can check Mosfellsbaer weather in December.
January in Mosfellsbær contrasts sharply with the milder months of the year, as it ushers in a cold spell where average temperatures hover well below freezing. With a chilly minimum that dips to frigid levels, the month is characterized by frequent precipitation, often manifesting as snow, resulting in a subarctic ambiance. The high humidity further amplifies the biting cold, creating a unique winter experience that is both harsh and beautiful. For those looking to explore the region's distinctive climate in detail, the insights can be found at Mosfellsbaer Climate.