January Weather in San Marino, Italy

Last updated: March 24, 2025

January in San Marino, Italy, showcases a mild yet chilly climate, with maximum temperatures reaching a pleasant 15°C (60°F) and dipping to an average low of -6°C (21°F). The month experiences about 23 mm (0.9 in) of precipitation over four days, contributing to a relatively high humidity level of 87%. While visitors may encounter a mix of cooler days and sporadic rain, the charm of this historic city remains undiminished, making January a unique time to explore its picturesque landscapes and rich heritage.

January Temperature in San Marino

In January, San Marino experiences a notable chill, with temperatures ranging from a brisk -6°C (21°F) at night to a mild 15°C (60°F) during the day. This month marks the beginning of winter in this picturesque Italian enclave, as the average temperature settles around 4°C (40°F). While the mornings and nights may bring frosty air, the afternoons can surprise visitors with a glimpse of warmth, hinting at the seasonal transition ahead. As the month progresses toward February, temperatures dip slightly, showcasing a clear trend of deepening cold, with minimums reaching -9°C (16°F). Despite this, the steady rise in daytime temperatures signals the gradual shift toward the milder months, setting the stage for the blossoming spring that follows.

January Weather in San Marino: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Marino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394550576676798070605142
Data source: Temperature data for San Marino generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in San Marino

In January, San Marino experiences relatively low precipitation, with just 23 mm (0.9 in) falling over an average of 4 days. This marks one of the driest months of the year, setting the stage for a notable increase in rainfall as winter transitions to spring. As February arrives, the precipitation more than triples to 73 mm (2.9 in) spread across 9 days, highlighting a trend of increasing moisture that continues into the following months. The upward trajectory peaks in May, where rainfall reaches 100 mm (3.9 in), laying the groundwork for the lush landscapes of spring. Overall, January serves as a gentle prelude to the wetter months ahead, contrasting sharply with the deluge of late fall and early winter that follows.

January Precipitation Trends in San Marino

The chart displays monthly precipitation patterns in San Marino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec23734655100446848846210967
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Marino

In January, San Marino experiences relatively high humidity at 87%, setting the tone for a month often characterized by brisk winter air. As the seasons progress into February, the humidity gently declines to 79%, indicating a subtle shift towards drier conditions. This trend continues through the spring months, with March and April seeing humidity levels drop to 69% and 71% respectively, allowing for more comfortable weather. However, the warmth of summer brings a further decrease, reaching 61% in July and 54% in August, when the air feels noticeably drier. As autumn approaches, humidity levels begin to rise again, peaking in November at 88%. This cyclical pattern illustrates San Marino’s transition from the damp chill of winter to the parched summer heat before returning to a more humid climate as the year closes, highlighted by a December humidity of 85%.

January Average Humidity in San Marino

This chart illustrates the average monthly humidity levels in San Marino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Marino

In January, San Marino experiences a low UV Index of 2, indicating a lower risk of harm from unprotected sun exposure, with a burn time of 45 minutes. As the months progress, the UV Index gradually increases, peaking at 9 during the summer months of June and July, where the conditions shift to very high, significantly reducing burn time to just 15 minutes. February and March remain moderate, while the arrival of spring sees a notable jump in UV levels, reflecting the increasing intensity of the sun. By autumn, the Index drops again, returning to a moderate level in October and November before lowering back to a comfortable 2 in December. This trend emphasizes the importance of sun safety measures as residents transition from the cooler winter months into the sun-soaked summer. For more details, explore the San Marino UV Index.

Maximum UV Index Levels in San Marino for January

The chart shows the monthly maximum UV Index (UVI) for San Marino 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: San Marino 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 San Marino

January in San Marino, Italy, sees a moderate 181 hours of sunshine, offering a gentle start to the year. As winter gives way to spring, the sunlight gradually increases, with February bringing 224 hours and March rising to 313 hours. This upward trend continues, peaking in the early summer months, where June and July shine with 421 and 428 hours, respectively. However, as summer fades, the sunshine begins to wane again, with August dropping to 398 hours and a steady decline through the autumn months. Notably, December rounds off the year with just 218 hours, reflecting a familiar seasonal rhythm of light in this picturesque enclave, where each month flows into the next, painting a portrait of evolving brightness.

Monthly Sunshine Duration in San Marino: January Highlighted

The January sunshine duration represents the total number of hours San Marino 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h224h313h346h389h421h428h398h338h301h220h218h
Data source: San Marino January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Marino During January

In January, San Marino experiences a 38% chance of sunny weather, making it one of the cooler months for sunshine seekers. This low probability reflects a broader winter trend, as the likelihood of sunny days tends to increase in February to 44% before reaching a noteworthy 69% in March. As spring approaches, the sun starts to shine more frequently, with April and May averaging around 47% and 49% respectively. The summer months bring a delightful turn, boasting even higher chances of sun, peaking in March and August. Overall, while January may not offer the sunniest days, the gradual transition into spring hints at warmer and more radiant times ahead.

Percentage of Sunny Days in January in San Marino

The chart illustrates the percentage of sunny days in San Marino 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 San Marino experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%44%69%47%49%61%54%62%55%45%29%44%
Data source: San Marino January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Marino in January

In San Marino, the daylight duration experiences a gradual transformation throughout the year, beginning with a modest 9 hours in January. As winter gives way to spring, daylight increases steadily, reaching 11 hours by March and blossoming to 13 hours in April. May and June showcase the peak of light, basking in 14 and 15 hours respectively, before the summer sun begins to wane in July, remaining at a twilight-like 15 hours. As summer fades into autumn, daylight decreases gently, easing from 13 hours in August to 10 hours by October. By November, daylight shrinks back to 9 hours, ultimately dipping to 8 hours in December, illustrating the rhythmic dance of light that characterizes the changing seasons in this enchanting Italian enclave.

Average Daylight Hours in San Marino for January

The chart illustrates the variation in daylight duration in San Marino throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 26m11h 56m13h 29m14h 48m15h 28m15h 7m13h 57m12h 28m10h 56m9h 35m8h 52m
Data source: San Marino daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in San Marino

In January, San Marino experiences an average wind speed of 2.2 m/s (5 mph), echoing the calm breezes typical of winter months. As the year progresses into February and March, the winds remain steady, maintaining the same gentle pace. It isn’t until April that a slight uptick to 2.4 m/s introduces a refreshing change, hinting at the approaching warmth of spring. This mild increase continues into May, where the wind speeds rise to 2.9 m/s (7 mph), aligning with the vibrant energy of the season. However, from June through August, the winds return to a more subdued rhythm, fluctuating between 2.1 and 2.4 m/s. As autumn arrives, September witnesses the lowest wind speeds of the year at 1.8 m/s (4 mph), before gradually picking up again in October and settling back to 2.2 m/s in November. The year concludes in December with the calmest winds of 1.7 m/s (4 mph), creating a tranquil atmosphere as the landscape shifts into winter’s embrace. This cyclical pattern reflects the region's gentle weather transition, where each season brings its own unique character.

Average January Wind Speed in San Marino

The chart displays monthly wind speed patterns in San Marino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.2 m/s2.12.22.42.92.22.12.41.82.32.21.7
Data source: San Marino January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in San Marino Compares to Other Months

The weather in San Marino 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 San Marino and find detailed weather information for every month.

In comparison to January, February tends to be milder overall, with average temperatures rising from January's 4°C (40°F) to 7°C (45°F). While January experiences a maximum temperature of 15°C (60°F), February can reach up to 21°C (70°F), although it also starts with colder minimum temperatures, dipping down to -9°C (16°F). Precipitation is significantly higher in February, totaling 73 mm (2.9 in) over 9 days, compared to January's 23 mm (0.9 in) on just 4 days. Humidity decreases slightly from January’s 87% to February’s 79%, indicating a slight shift in the atmospheric conditions. For more details on February weather, visit San Marino weather in February.

January and March present distinct contrasts in weather. In January, temperatures range from a chilly minimum of -6°C (21°F) to a moderate maximum of 15°C (60°F), with an average of 4°C (40°F). Precipitation occurs on about 4 days, totaling 23 mm (0.9 in), amidst relatively high humidity at 87%. By March, the temperatures rise significantly, featuring a minimum of -11°C (12°F) and a maximum of 25°C (77°F), with an average of 10°C (50°F). However, this month sees increased precipitation, with 46 mm (1.8 in) falling over 7 days, and humidity dropping to a more comfortable 69%. For a more detailed look at March conditions, you can explore San Marino weather in March.

In January, the weather in San Marino is quite chilly, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F). The month sees about 23 mm (0.9 in) of precipitation over four days and experiences high humidity at 87%. In contrast, April brings a significant shift, with temperatures rising to a minimum of -1°C (30°F) and soaring to an average high of 28°C (82°F). The amount of precipitation also increases to 55 mm (2.2 in), occurring over eight days, but the humidity drops to a more comfortable 71%. For a closer look at the weather specifics, check out San Marino weather in April.

In January, the weather in San Marino is quite cold, with temperatures ranging from a chilly -6°C (21°F) to a comfortable 15°C (60°F), averaging around 4°C (40°F). The humidity is relatively high at 87%, and there is light precipitation on about 4 days, totaling 23 mm (0.9 in). In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 6°C (44°F) to a high of 33°C (91°F), averaging 19°C (66°F). However, May is also much wetter, experiencing average precipitation of 100 mm (3.9 in) over 14 days, while humidity drops to 70%. The contrasting weather between these two months highlights the transition from winter's chill to the warmth of late spring. For more specific details, see San Marino weather in May.

In January, the weather is notably chilly, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F), and an average of 4°C (40°F). The month experiences 23 mm (0.9 in) of precipitation over about four days, contributing to a high humidity level of 87%. In contrast, June brings warm and vibrant weather, with temperatures soaring from a minimum of 12°C (54°F) to a scorching maximum of 40°C (104°F), and an average of 25°C (76°F). During this month, precipitation increases to 43 mm (1.7 in) across seven days, but with reduced humidity at 65%. This stark contrast highlights the shift from winter's cold grip to the warmth of summer. For more detailed insights on June weather, you can visit San Marino weather in June.

In January, the weather is notably colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F), and an average of 4°C (40°F). The month experiences relatively low precipitation, totaling 23 mm (0.9 in) over just four days, alongside high humidity levels of 87%. In stark contrast, July boasts a much warmer climate, with temperatures varying from a minimum of 16°C (61°F) to a peak of 38°C (101°F), averaging 26°C (80°F). This summer month also sees increased rainfall at 68 mm (2.7 in) across eight days, but with a more comfortable humidity level of 61%. For a closer look at July's weather specifics, you can check San Marino weather in July.

In January, the weather is notably colder, with temperatures ranging from a frigid minimum of -6°C (21°F) to a pleasant average of 4°C (40°F) and a maximum of 15°C (60°F). The month sees about 23 mm (0.9 in) of precipitation over four days, coupled with high humidity at 87%. In contrast, August experiences a much warmer climate, where temperatures range from a minimum of 13°C (55°F) to a significantly higher average of 26°C (80°F), peaking at a scorching 41°C (106°F). Precipitation increases to 48 mm (1.9 in) over seven days, but humidity drops to a more comfortable 54%. For more details, you can visit San Marino weather in August.

January and September offer strikingly different weather conditions. In January, temperatures range from a chilly -6°C (21°F) at night to a mild 15°C (60°F) during the day, with an average temperature of 4°C (40°F). This month experiences relatively low precipitation of 23 mm (0.9 in) over just 4 days, coupled with high humidity at 87%, creating a damp and cold atmosphere. In contrast, September boasts much warmer temperatures, with nighttime lows of 7°C (45°F) and daytime highs soaring to 34°C (94°F), averaging around 21°C (70°F). This month is also wetter, with 84 mm (3.3 in) of rainfall spread across 10 days, and a more comfortable humidity level of 66%. For a deeper insight into September weather trends, check out San Marino weather in September.

January and October exhibit significantly different weather patterns. In January, temperatures can drop as low as -6°C (21°F), with an average of 4°C (40°F) and a maximum reaching 15°C (60°F). The cold month sees low precipitation levels, totaling 23 mm (0.9 in) over just 4 days, while humidity remains high at 87%. In contrast, October offers a mild escape with minimum temperatures around 5°C (41°F), an average of 16°C (60°F), and peaks of 28°C (82°F). This month experiences greater rainfall, accumulating 61 mm (2.4 in) across 8 days, with humidity slightly lower at 83%. For a more detailed look at weather conditions, you can visit San Marino weather in October.

January and November exhibit notable differences in weather patterns. In January, the temperatures range from a minimum of -6°C (21°F) to a maximum of 15°C (60°F), with an average of 4°C (40°F). The month sees relatively low precipitation of 23 mm (0.9 in) over just 4 days, accompanied by high humidity at 87%. In contrast, November experiences milder temperatures, with minimums of -2°C (29°F) and maximums reaching 21°C (70°F), averaging around 11°C (51°F). This month is much wetter, with a total precipitation of 109 mm (4.3 in) falling over 11 days, while humidity remains slightly higher at 88%. For a more detailed look at the weather patterns in November, you can refer to San Marino weather in November.

In January, the weather tends to be slightly colder than in December, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F), compared to December's range of -4°C (24°F) to 17°C (62°F). Additionally, January experiences considerably less precipitation, averaging only 23 mm (0.9 in) over 4 days, in contrast to December's higher total of 67 mm (2.7 in) across 10 days. Humidity levels remain relatively high in both months, with January at 87% and December slightly lower at 85%. For more details on December weather, you can check San Marino weather in December.

Compare San Marino's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in San Marino

January in San Marino presents a cool and crisp climate, distinct from the warmer months that follow. With average temperatures hovering around 4°C, the winter chill is felt keenly, especially when compared to the mild spring and summer days. Precipitation is relatively low, amounting to just 23 mm over a handful of days, and the high humidity can make the cold feel more biting. While January may not be the ideal time for outdoor enthusiasts seeking sunny skies, it offers a unique charm through its serene landscapes and the tranquil atmosphere of winter. For a deeper understanding of what to expect throughout the year, explore the full San Marino Climate.