Last updated: April 14, 2025
San Marino experiences a diverse climate characterized by distinct seasonal variations. In the summer months, temperatures can soar to a maximum of 36°C (96°F) in August, while winter sees lows plummet to -7°C (19°F) in March, particularly in Montegiardino. Precipitation levels are equally varied, with minimum rainfall recorded at 39 mm (1.5 in) in June and peaking at 95 mm (3.7 in) in November. Humidity levels are influenced significantly by the season, averaging a comfortable 55% in August, but rising to a more humid 84% in January. This blend of temperature extremes and varying humidity and rainfall creates a unique climate, shaping both the natural landscape and lifestyle in San Marino.
San Marino is characterized by a Cfb climate according to the Köppen-Geiger classification, which signifies a temperate maritime climate with mild summers and cool winters. This climate zone is prominent across several areas, including Acquaviva, Borgo Maggiore, and Chiesanuova, among others. The pleasant weather fosters lush greenery and vibrant landscapes, making San Marino an ideal destination for outdoor activities and cultural explorations. With consistent rainfall throughout the year, each community, from Domagnano to Serravalle, enjoys a picturesque environment that enhances its historical charm.
| Climate Zone | Description |
|---|---|
| Cfb | Oceanic climate with mild temperatures and moderate rainfall year-round. |
San Marino experiences a fascinating range of temperatures throughout the year, showcasing both the cool of winter and the warmth of summer. January starts with chillier weather, featuring lows around -3°C (27°F) and highs reaching up to 15°C (59°F) in Montegiardino, while February dips slightly lower, with a minimum of -5°C (23°F) but sees highs climbing to 18°C (64°F). As spring approaches, March continues the trend of warming, hitting a pleasant maximum of 20°C (68°F) despite a low of -7°C (19°F). The transition to April and May reveals a dramatic shift, with temperatures escalating from a minimum of 1°C (35°F) in April to a summer-ready high of 28°C (82°F) in May. The peak of summer in June and July sees warm days reaching 33°C (92°F), and even August can soar to a sizzling 36°C (96°F). As autumn rolls in, September and October maintain milder temperatures, ranging from 10°C (50°F) to 27°C (81°F), before giving way to cooler conditions in November and December, where temperatures can vary from -1°C (31°F) to 20°C (68°F). This striking variation throughout the year makes San Marino a destination with a dynamic climate, perfect for enjoying the great outdoors in every season.
San Marino experiences a notable variation in precipitation patterns throughout the year, with distinct dry and wet periods. In June, the region sees its lowest rainfall, averaging just 39 mm (1.5 in) over about 5 days, creating a relatively dry atmosphere perfect for outdoor activities. As the seasons shift towards November, precipitation substantially increases, peaking at 95 mm (3.7 in) across 12 days. This rise in rainfall signals the onset of winter, contributing to the lush landscapes characteristic of the region during the colder months. Overall, the patterns reflect a clear trend of increasing precipitation as the year progresses, particularly in the fall, emphasizing the diverse climatic conditions in San Marino.
In San Marino, humidity levels exhibit a notable seasonal trend, with the highest figures recorded in the chilly month of January at 84% in Montegiardino. This peak contrasts sharply with the minimum level of 55% observed in August, highlighting the significant variation in atmospheric moisture throughout the year. Overall, the humidity plays a pivotal role in shaping the region's climate, providing a lush ambiance during the cooler months while offering a drier respite in the summer's heat.
In San Marino, July brings a notable average daily maximum UV Index of 9 in Montegiardino, indicating a high level of ultraviolet radiation that requires diligent sun protection. This trend highlights the increasing intensity of summer sun exposure, emphasizing the importance for residents and visitors alike to be proactive in their skincare routines. As the climate continues to evolve, awareness of such patterns becomes crucial to ensure safety while enjoying the beautiful summer days in this picturesque region.
UV Risk Categories
In San Marino, sunshine duration exhibits a striking seasonal contrast that captures the essence of Mediterranean weather. Taking Montegiardino as a reference, the month of January offers a modest 184 hours of sunshine, reflecting the cooler, winter months. As summer arrives, however, this figure soars dramatically to an impressive 429 hours in July, showcasing the vibrant, sunny days that characterize this region during peak summer. This duality not only enhances the appeal of San Marino as a year-round destination but also underscores the delight of basking in its abundant sunshine during warmer months.
In San Marino, the likelihood of sunny weather shows a remarkable seasonal shift, particularly noticeable when comparing data from November and March in Montegiardino. November offers a modest 24% chance of sunshine, reflecting the cooler, cloudier days typical of late autumn. However, as spring approaches in March, the forecast brightens significantly, with a robust 69% probability of sunny weather. This trend illustrates a striking transition as winter gives way to spring, making March an increasingly appealing time to enjoy the sun-drenched landscapes of San Marino.
In San Marino, daylight hours vary significantly throughout the year, creating a dynamic experience for visitors and residents alike. In December, the charming localities, such as Montegiardino, bask in just 8 hours of sunlight, casting a cozy, wintry glow over the landscape. As the seasons turn to June, this number dramatically increases to 15 hours, allowing for vibrant days filled with exploring historical sites and enjoying the scenic views. This notable shift highlights the region's transformation from the serene quiet of winter to the lively energy of summer, inviting everyone to relish the longer days and warmer temperatures.
Nestled in the heart of San Marino, Acquaviva experiences a diverse climate throughout the year. Winters can be crisp, with January temperatures dipping to a chilly -3°C (27°F), while summers bring warmth with averages reaching 25°C (77°F) in July and August. Despite enjoying relatively sunny days, the region also sees its fair share of precipitation, particularly in the spring and autumn months, making for lush landscapes. Humidity levels fluctuate but remain generally moderate, contributing to the charming atmosphere of this picturesque locale. For a more detailed look at the weather patterns, check out the Acquaviva climate.
Nestled in the picturesque hills of San Marino, Borgo Maggiore experiences a climate that beautifully transitions through the seasons. Winters can be quite crisp, with January temperatures dipping as low as -3°C (27°F), while summer brings warmth, peaking at a sizzling 36°C (96°F) in August. This region sees varying levels of precipitation, particularly in spring and autumn, making it lush and vibrant. Although the humidity is high during the colder months, summer days tend to be pleasantly drier, creating an inviting atmosphere for outdoor activities. For more details on the weather throughout the year, check out the full Borgo Maggiore climate.
Nestled in the picturesque landscape of San Marino, Chiesanuova's climate offers a delightful spectrum of seasonal experiences. Winters can be brisk, with temperatures dipping to -7°C (19°F) in March, while summers are warm and inviting, peaking at 36°C (96°F) in August. Rainfall varies throughout the year, with November particularly wet, showcasing 95 mm (3.7 in) of precipitation, contributing to the lush greenery of the region. The humidity transitions from a wintery 84% in January to a more comfortable 55% in August, making it an ideal time to explore the outdoor beauty of this charming locale. For those curious about the yearly patterns, more detailed insights can be found at Chiesanuova climate.
In Domagnano, San Marino, the climate offers a delightful range of temperatures throughout the year. Winters can be chilly, with January temperatures dipping to a low of -3°C (27°F), while summers bring warmth, especially in August when highs reach 36°C (96°F). Precipitation varies, peaking in November with 95 mm (3.7 in), and is often accompanied by higher humidity levels, especially in the colder months. The mild springs and vibrant autumns create a lovely backdrop for exploring this picturesque region. For a detailed look at the weather patterns, check out the Domagnano climate.
Faetano, San Marino experiences a varied climate across the year, characterized by cold winters and warm summers. January and February are the coldest months, with temperatures ranging from -5°C to 18°C (23°F to 64°F) and humidity peaking at 84% in January. As spring approaches, temperatures gradually rise, culminating in pleasant averages of 23°C (73°F) by June. Precipitation is quite pronounced in spring and autumn, peaking at 95 mm (3.7 in) in November, making it one of the wettest months. For those planning a visit to this charming locale, you can find additional details on the Faetano climate.
Nestled in the heart of San Marino, Fiorentino experiences a climate that beautifully transitions throughout the year. Winters can be quite chilly, with January temperatures dipping to a brisk -3°C (27°F), while July and August bring warmth, often reaching up to 36°C (96°F). This picturesque town sees its fair share of precipitation, particularly in late autumn, with November recording around 95 mm (3.7 in) of rain. Despite the moisture, the humidity remains manageable, dropping to a comfortable 57% in the summer months. For those curious about what to expect, more detailed information can be found here: Fiorentino climate.
Nestled in the picturesque hills of San Marino, Montegiardino experiences a diverse climate that captivates throughout the year. Winter chill sets in with January temperatures dipping to -3°C (27°F), while July and August bring warmth, reaching highs of 36°C (96°F). Rainfall is scattered, with a notable peak in November, averaging 95 mm (3.7 in), adding to the region's lush greenery. With humidity levels generally ranging from a brisk 55% in August to a cozy 84% in January, visitors can expect a refreshing experience no matter the season. Explore more about the Montegiardino climate and plan your visit to this charming locale!
San Marino enjoys a varied climate that showcases brisk winters and warm summers, making it a year-round destination. January's chill brings temperatures dipping as low as -3°C (27°F), while July and August bask in the sunshine with highs reaching up to 36°C (96°F). Rainfall is most abundant in November and September, contributing to a lush landscape that captivates visitors. With humidity levels fluctuating throughout the year, the air feels crisp and refreshing, especially during the cooler months. Embrace the full charm of the seasons by exploring the details of the San Marino climate.
In Serravalle, San Marino, the climate offers a blend of seasonal contrasts, ensuring every month has its unique charm. Winter months see cool temperatures, with January averaging around 6°C (43°F) and high humidity levels peaking at 84%. As spring arrives, temperatures gradually rise, reaching a pleasant 13°C (56°F) in April, while summer sizzles with averages soaring to 25°C (77°F) in July and August. Although autumn brings an increase in rainfall, reaching 95 mm (3.7 in) in November, the cooler temperatures create a refreshing atmosphere perfect for exploring. For a more detailed look at the local weather patterns, visit Serravalle climate.
The climate of San Marino reveals a dynamic range of temperatures and precipitation that define its seasons. In March, temperatures can plunge to a chilly -7°C (19°F) in Montegiardino, heralding the frosty embrace of winter, while August showcases summer’s peak with a scorching 36°C (96°F), inviting sun-seekers to bask in its warmth. Precipitation varies considerably throughout the year, with a low of 39 mm (1.5 in) in June contrasting sharply with November's 95 mm (3.7 in), highlighting the autumnal shift towards wetter conditions. Humidity levels also fluctuate, reaching a comfortable average of 55% in August before rising to a significant 84% in January, creating a humid atmosphere in the heart of winter. These trends underscore San Marino's diverse climate, offering unique experiences across the seasons for both residents and visitors alike.