January Weather in Senj, Croatia

Last updated: March 17, 2025

January in Senj, Croatia presents a unique winter experience characterized by cool temperatures and significant precipitation. With a maximum of 12°C (54°F) and a chilling minimum plunging to -17°C (1°F), the average hovers around 0°C (33°F), making it a month of contrasts. Rainfall is prevalent, with 87 mm (3.4 in) of precipitation spread over 11 days, contributing to a high humidity level of 88%. This combination of weather patterns creates a distinctive atmosphere in Senj, ideal for those seeking a serene winter getaway.

January Temperature in Senj

January in Senj, Croatia presents a crisp winter chill, with temperatures that can plummet to a minimum of -17°C (1°F). The month averages around 0°C (33°F), offering a stark contrast to the milder temperatures that follow in February and March, where the minimums rise slightly and even briefly reach up to 19°C (67°F). This early winter period is characterized by a combination of colder nights and cool daytime highs, peaking at 12°C (54°F), making it a time when the beauty of the snow-capped landscape can be fully appreciated. As the months progress into spring, the temperatures steadily elevate, shifting from frostbitten lows to pleasant warmth, heralding a gradual transition to summer warmth and vibrant activities along the beautiful Adriatic coast.

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

The chart illustrates January temperature patterns in Senj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333841505767707061524537
Data source: Temperature data for Senj 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 Senj

In January, Senj, Croatia experiences a total precipitation of 87 mm (3.4 in) over approximately 11 days, marking the start of the year with a moderate level of rainfall. This amount sets the stage for a gradual increase as winter transitions into spring; February sees a notable rise to 126 mm (5.0 in), with precipitation days extending to 13. The trend continues into early spring, peaking in May with 177 mm (7.0 in) over 19 days, indicating a distinct wet period as the region heads toward summer. Interestingly, the summer months of June through August witness a dip in rainfall, averaging between 79 mm (3.1 in) to 91 mm (3.6 in), while September brings a resurgence, seemingly fueled by late-summer storms. Overall, January’s relatively low precipitation lays the groundwork for the dynamic weather pattern that unfolds in the subsequent months, showcasing Senj's vibrant climate transitions.

January Precipitation Trends in Senj

The chart displays monthly precipitation patterns in Senj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8712695108177798091170116151168
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Senj

In January, Senj, Croatia experiences a notably high humidity level of 88%, setting the tone for a typically moist winter. As the year progresses into February, there’s a slight dip to 82%, hinting at the gradual transition towards spring. However, the trend shifts again in March and April, where humidity stabilizes at a more comfortable 73%. This trend continues with a gradual decrease through the warmer months, falling to 63% by July and hitting its lowest at 51% in August. The return of higher humidity starts in September as it climbs to 64%, followed by a sharp increase in October to 83% and back to 88% in December, signaling the onset of winter once again. This cyclical humidity pattern reflects the distinct seasonal variations that define Senj’s coastal climate.

January Average Humidity in Senj

This chart illustrates the average monthly humidity levels in Senj, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Senj

In January, Senj, Croatia experiences a low UV Index of 2, indicating minimal sun exposure risk, with a burn time of about 45 minutes. As the months progress into February, the UV Index rises to 3, marking a shift to moderate exposure, where individuals should be mindful of their time in the sun—burning within 30 minutes. The trend continues in March with a further increase to 5, while April sees a significant jump to 7, transitioning into a high exposure category and reducing burn time to 25 minutes. This upward trajectory peaks during the summer months of May to July, where the UV Index soars to a very high rating of 8 and 9, demanding increased caution as burn times drastically decrease to just 15 minutes. As September and October roll in, a gradual decline begins, with the Index sliding back to moderate levels at 5 before entering another low period in December. It's essential to stay informed about the UV Index throughout the year to enjoy the beautiful Croatian coastline safely. For more details, check out Senj UV Index.

Maximum UV Index Levels in Senj for January

The chart shows the monthly maximum UV Index (UVI) for Senj 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Senj 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 Senj

In Senj, Croatia, January begins the year with a modest 184 hours of sunshine, setting the stage for a gradual increase in brightness as winter transitions to spring. By February, hours of sunlight rise to 233, heralding the uplifting effects of emerging daylight. As March unfolds, the sun graces the region for 319 hours, sharing warmth and anticipation for the approaching summer. This upward trend continues, peaking in the summer months with July basking in an impressive 431 hours of sunshine. Even as autumn sets in, sunshine remains plentiful, with September enjoying 331 hours. Although the days shorten through October and into late fall, the steady decline is gentle, with 221 hours in December, hinting that even in darker days, Senj retains its charm, shining brightly through the seasons.

Monthly Sunshine Duration in Senj: January Highlighted

The January sunshine duration represents the total number of hours Senj 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.
JanFebMarAprMayJunJulAugSepOctNovDec184h233h319h349h383h417h431h400h331h302h228h221h
Data source: Senj January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Senj During January

In Senj, Croatia, January ushers in a modest 19% chance of sunny weather, marking it as one of the cloudier months of the year. As winter transitions to spring, the likelihood of sunshine begins to rise significantly, reaching 34% in February and escalating to an impressive 58% by March. This upward trend continues into the warmer months, with April and May maintaining a sunnier disposition, showcasing probabilities of 37% and 38% respectively. The sunny peaks arrive in the summer months of June through August, where the chances of basking in sunlight soar to 60% and above. As the year winds down, the likelihood of sun once again dwindles, with November dropping to 18%. Overall, the weather in Senj exhibits a clear seasonal rhythm, with January being a relatively overcast start to a brighter and sunnier year ahead.

Percentage of Sunny Days in January in Senj

The chart illustrates the percentage of sunny days in Senj 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 Senj experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%34%58%37%38%60%53%57%57%39%18%30%
Data source: Senj January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Senj in January

In Senj, Croatia, January signals the onset of winter with approximately 9 hours of daylight, a modest yet cozy amount that invites locals and visitors to enjoy the crisp air. As February unfolds, the days begin to stretch slightly longer, gaining an extra hour of sunlight by the month's end. The gradual increase in daylight continues through March and April, peaking at 13 hours in April, welcoming the vibrant hues of spring. By May and June, daylight reaches its zenith with 14 to 15 hours, creating the perfect setting for summer adventures along the beautiful Adriatic coast. However, as the summer fades into August, the daylight begins its gentle decline, transitioning back to 12 hours in September and further to 10 hours in October. The cycle continues, with November and December offering shorter days, dropping to 8 hours in the heart of winter. This rhythmic ebb and flow of sunlight beautifully illustrates the seasonal transformation in Senj, where each month brings its own charm and opportunities for exploration.

Average Daylight Hours in Senj for January

The chart illustrates the variation in daylight duration in Senj throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 11m10h 24m11h 56m13h 31m14h 51m15h 32m15h 10m13h 59m12h 28m10h 55m9h 32m8h 49m
Data source: Senj daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Senj

In Senj, Croatia, the winds of January gentle caress the coastal landscape with an average speed of 2.3 m/s (5 mph), setting the tone for a tranquil winter atmosphere. As the year unfolds, February experiences a slight uptick to 2.6 m/s (6 mph), followed by a dip in March, where breezes return to a calm 2.4 m/s (5 mph). This pattern continues into April and May, maintaining a steady pace before summer's arrival brings a decrease in winds, peaking at their calmest in June at 1.8 m/s (4 mph). Interestingly, the latter part of the year witnesses a resurgence, with winds picking up again in October to 2.8 m/s (6 mph), and November and December sustaining a brisk 2.5 m/s (6 mph) and 2.4 m/s (5 mph) respectively. Overall, while January's winds may start off gently, they reflect a dynamic cycle, transitioning from calm winter days to invigorating autumn breezes, showcasing the unique climatic charm of this Croatian gem.

Average January Wind Speed in Senj

The chart displays monthly wind speed patterns in Senj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.3 m/s2.62.42.32.31.82.02.12.02.82.52.4
Data source: Senj January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Senj Compares to Other Months

The weather in Senj 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 Senj and find detailed weather information for every month.

January weather is characterized by colder temperatures, with a minimum of -17°C (1°F) and an average of 0°C (33°F), while February sees a milder minimum of -13°C (10°F) and an average rise to 3°C (38°F). February also experiences warmer maximum temperatures, reaching up to 19°C (67°F) compared to January's 12°C (54°F). Precipitation levels increase from 87 mm (3.4 in) in January to 126 mm (5.0 in) in February, with an additional precipitation day in February (13 days vs. 11 days in January). Despite the relatively higher amounts of precipitation, February's humidity is slightly lower at 82%, compared to January’s 88%. For a more detailed look at February weather, you can check out Senj weather in February.

In January, the weather is characterized by colder temperatures, with a minimum of -17°C (1°F) and an average of 0°C (33°F), while March experiences a slight warming trend, with minimum temperatures around -14°C (7°F) and an average of 5°C (42°F). Precipitation levels are somewhat similar between the two months, with January seeing 87 mm (3.4 in) over 11 days and March slightly higher at 95 mm (3.7 in) over the same number of days. However, January's humidity is notably higher at 88%, compared to March’s relatively drier 73%. For a more detailed look at March conditions, you can refer to Senj weather in March.

In January, the weather is quite cold, featuring minimum temperatures that can plunge to -17°C (1°F) and an average temperature around 0°C (33°F). The month experiences 87 mm (3.4 in) of precipitation over 11 days, coupled with a high humidity of 88%, creating a brisk and damp atmosphere.

In contrast, April brings a marked warming trend, with minimum temperatures of -6°C (22°F), an average of 10°C (50°F), and maximum temperatures reaching up to 25°C (77°F). Although April receives slightly more precipitation at 108 mm (4.3 in) over 12 days, the humidity drops to 73%, leading to a more pleasant and milder climate. For more insights about the weather during this month, you can visit Senj weather in April.

In January, the weather is characterized by frigid temperatures, with a minimum of -17°C (1°F) and an average around 0°C (33°F), making it a stark contrast to the more temperate conditions of May. During the winter month, precipitation totals 87 mm (3.4 in) over 11 days, combined with high humidity at 88%, creating a damp and chilly atmosphere. In contrast, May experiences significantly warmer weather, with a minimum of 1°C (35°F) and an average temperature rising to 14°C (57°F), peaking at 27°C (81°F). The month sees increased rainfall, accumulating 177 mm (7.0 in) over 19 days, but with notably lower humidity at 70%, resulting in a more pleasant spring environment. For a detailed look at the weather patterns in May, check out Senj weather in May.

In January, temperatures can plummet as low as -17°C (1°F) and typically hover around an average of 0°C (33°F), with a maximum reaching 12°C (54°F). The month experiences significant humidity at 88% and sees precipitation on 11 days, accumulating to about 87 mm (3.4 in). In stark contrast, June warms up considerably, with minimum temperatures starting at 7°C (46°F) and an average of 19°C (67°F), peaking at 33°C (92°F). The humidity decreases to 69%, and there are fewer rainy days, totaling 79 mm (3.1 in) over just 9 days. For more detailed information, visit Senj weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures can plummet to as low as -17°C (1°F), with an average temperature around 0°C (33°F) and a maximum reaching 12°C (54°F). The month is characterized by relatively high humidity at 88% and significant precipitation, totaling 87 mm (3.4 in) over 11 days. In contrast, July offers a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to an average of 21°C (70°F), peaking at 33°C (91°F). Humidity drops to 63%, and precipitation is slightly lower at 79 mm (3.1 in) over just 9 days. For a closer look at what to expect in July, check out Senj weather in July.

In January, temperatures in Senj can plummet to a minimum of -17°C (1°F), with an average of around 0°C (33°F) and a maximum reaching 12°C (54°F). The month is characterized by significant humidity at 88% and experiences about 11 days of precipitation, totaling 87mm (3.4 inches). In stark contrast, August boasts much milder temperatures, with a minimum of 9°C (49°F), an average of 21°C (71°F), and highs peaking at 35°C (95°F). Precipitation is slightly higher at 91mm (3.6 inches), but it falls over just 9 days, and humidity drops to a more comfortable 51%. For more detailed insights, check out Senj weather in August.

In January, the weather is characterized by significantly colder temperatures, with a minimum of -17°C (1°F) and an average of around 0°C (33°F), while the maximum only reaches 12°C (54°F). Precipitation is measured at 87 mm (3.4 in) over 11 days, coupled with high humidity levels of 88%. In stark contrast, September brings much milder and warmer conditions, featuring a minimum temperature of 4°C (39°F), an average of 16°C (61°F), and a maximum that can climb to 28°C (83°F). The month sees increased precipitation at 170 mm (6.7 in) over the same number of days, but the humidity drops to a more comfortable 64%. For more specifics on the weather during this vibrant month, check out Senj weather in September.

In January, the weather is significantly colder, with minimum temperatures plummeting to -17°C (1°F) and an average temperature hovering around 0°C (33°F). The month sees about 87 mm (3.4 in) of precipitation spread over 11 days, coupled with high humidity levels of 88%. In stark contrast, October enjoys milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 23°C (74°F) and an average of 11°C (53°F). Although October has a slightly higher precipitation total of 116 mm (4.6 in) over just 10 days, the humidity is a bit lower at 83%. For more details on October's climate, check out Senj weather in October.

January and November present a striking contrast in weather conditions. In January, temperatures can drop as low as -17°C (1°F), with an average hovering around 0°C (33°F), while November offers a milder climate with a minimum of -3°C (26°F) and an average of 7°C (45°F). Precipitation is more frequent in November, totaling 151 mm (5.9 in) over 14 days compared to January's 87 mm (3.4 in) across 11 days. The humidity remains relatively high in both months, sitting at 88% in January and 89% in November. For a detailed look at November weather conditions, check out Senj weather in November.

When comparing the weather in January and December, we can see some notable differences. January typically features colder temperatures, with a minimum of -17°C (1°F) and an average of 0°C (33°F), compared to December's milder minimum of -10°C (13°F) and an average of 3°C (38°F). Additionally, January experiences less precipitation, totaling 87 mm (3.4 in) over 11 days, whereas December sees more rainfall, totaling 168 mm (6.6 in) across 14 days. Both months maintain a consistent humidity level of 88%. For more detailed insights about December weather, you can check this link: Senj weather in December.

Compare Senj's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Senj

January in Senj presents a distinct contrast to other months, characterized by its chilly temperatures and higher humidity levels. With an average temperature hovering around freezing and occasional dips that plunge well below, this month stands out as the coldest of the year. Precipitation is frequent, with about a third of the days seeing some rain, contributing to the overall damp feel. The combination of cold air and elevated humidity creates a brisk environment that sharply differs from the milder temperatures and clearer skies of spring and summer. For more detailed insights about the unique characteristics of Senj's weather throughout the year, visit Senj Climate.