Climate and monthly weather forecastSerravalle, San Marino
Climate and monthly weather forecast
The climate of Serravalle
Serravalle, nestled charmingly in San Marino, experiences a Cfb climate, also known as the Marine West Coast climate with warm summers, as classified by the Köppen climate system. This climate type manifests itself in moderately warm temperatures and notable rainfall throughout the year.On a yearly rotation, the area observes temperatures fluctuating from a high of 28.9°C (84°F) in August to a low of 5.3°C (41.5°F) in January. Humidity, constantly providing moisture to the air, has a not too dissimilar rhythm, peaking at 77% in November and reaching a low point of 61% by August.
A marked characteristic of Serravalle's climate is its year-round rainfall, which ranges from a high of 69mm (2.72") in May to a low of 30mm (1.18") in August. Despite distinct variations, rainfall occurs in all months, signifying a consistently humid atmosphere. The corresponding number of rainfall days echoes a similar pattern, reaching a highest count of 14.8 days in May and a least count of 9.3 days in August.
Unique to this area is the unusual snowfall pattern, with a scattering of snow occurring in the colder months from 11mm (0.43") in January to 2mm (0.08") in December, which is nevertheless a rare deviation in this mild marine climate.
The Best Time to Visit Serravalle
To enjoy the warm, inviting climate, the months from June to August present the most favorable conditions. During this period, temperatures range from 25.5°C (77.9°F) to 28.9°C (84°F) with the sky liberally sprinkled with sunshine for about 11.5 to 11.6 hours per day. This time segment also sees a drop in the cloud cover to a bare 15% in July, which along with a UV index peak of 7 in July, promises ample opportunities for outdoor exploration and light-hearted amusement in Serravalle.The Worst Time to Visit Serravalle
While Serravalle has a welcoming climate year-round, the months where conditions might be slightly challenging would be November and December. The temperatures during these months plummet to a lower range between 10.2°C (50.4°F) to 14.5°C (58.1°F). Rainfall also observes a spike during this period, reaching 54mm (2.13") in November, coupled with an increase in humidity, spelling damp and cold days.Spring Weather in Serravalle
Spring in Serravalle, spreading from March to May, offers mild and refreshing conditions. A moderate temperature that wavers from 13.2°C (55.8°F) to 20.7°C (69.3°F) encompasses these months, along with a relative humidity rate that transitions from 73% to 71%.However, it is worth noting that it is also during this season that Serravalle receives its highest rainfall of 69mm (2.72") in May. This propensity towards precipitation is accompanied by longer daylight hours from 11.9 hours in March extending to 14.8 hours in May, making spring a season of mild warmth and sunny spells interspersed with frequent showers.
Summer Weather in Serravalle
Summer in Serravalle, extending from June to August, is usually warm and lovely. Temperatures soar to the yearly maximum during these months, reaching from 25.5°C (77.9°F) in June to a balmy 28.9°C (84°F) in August. The relative humidity drops to a comfortable 62% in July, while rainfall and cloud cover also decrease, making summer dry, warm, and filled with clear-skied days.Autumn Weather in Serravalle
Autumn in Serravalle, rolling in from September to November, is characterized by slightly cooler temperatures that move from 24.1°C (75.4°F) to a chillier 14.5°C (58.1°F). While humidity remains relatively stable from 67% to 77%, the rainfall increases, peaking in November with 54mm (2.13"), making autumn damp and cool.Winter Weather in Serravalle
Winter in Serravalle, spanning December to February, witnesses a drop in temperatures, with lows of 5.3°C (41.5°F) in January to highs of 10.2°C (50.4°F) in February. The period is marked by relatively high humidity ranging from 76% to 77%, with expectant rainfall of 36mm (1.42") to 42mm (1.65") across these winter months. A small sprinkle of snow can be expected in December and January, adding to the charm of the chilly season in Serravalle.Weather in January
January in Serravalle, San Marino, brings some of the chilliest temperatures of the year, alongside relatively high humidity. The mercury often hovers around 5.3°C (41.5°F) and can reach up to 9°C (48.2°F). As we transition from December, we witness a slight rise in temperatures, along with a marginally lower rainfall count. Weather in January »Weather in February
In February, Serravalle grapples with a continuation of the winter season. A modest elevation in both the lower and upper extremities of temperatures, reaching 5.7°C (42.3°F) and 10.2°C (50.4°F) respectively, is noticed, accompanying the city's gradual progress towards the spring. Weather in February »Weather in March
The month of March signals the end of winter in Serravalle, paving the way for spring’s warmer embrace. The 7.6°C (45.7°F) to 13.2°C (55.8°F) temperature range, alongside a decline in snowfall, substantiates this transition. Weather in March »Weather in April
With April's arrival in Serravalle, the feeling of spring is undeniably in full swing. A significant rise ensues in both the lower and upper bounds of April's temperatures, averaging from 10.5°C (50.9°F) to 16.8°C (62.2°F). The rainfall slightly declines compared to March, yet it does not deter the thriving city flora. Weather in April »Weather in May
May's weather is a testament to the maturation of spring in Serravalle. May’s rainfall takes a major leap to 69mm (2.72") compared to the previous month’s 38mm (1.5"), notching up the highest throughout the year. As the warmth steadily expands, residents experience longer daylight hours, beneficial to those engaging with outdoor activities. Weather in May »Weather in June
In June, Serravalle transitions smoothly from spring into the first month of summer. Temperatures start to soar, offering a refreshing contrast to the relative coolness of May. The longest daylight hours of the year are observed, providing optimal light conditions for sightseeing in this historic city. Weather in June »Weather in July
July, the second month of summer in Serravalle, maintains a firm grip on heat. The temperatures reach their zenith, with the highest record peaking from 20.8°C (69.4°F) to 28.6°C (83.5°F). The city embraces the summer heat, also marking the lowest humidity levels of the year. Weather in July »Weather in August
As August sweeps into Serravalle, the sweltering summer continues. There exist albeit minor fluctuations in weather conditions as August records the highest monthly temperature of the entire year, peaking from 21.2°C (70.2°F) to 28.9°C (84°F). Weather in August »Weather in September
September in Serravalle heralds the advent of autumn. A noticeable drop ensues in temperatures from the summer highs of August, easing back from the intense heat. The average amount of daylight diminishes slightly; however, this does little to affect the overall pleasant weather. Weather in September »Weather in October
October in Serravalle permits the full bloom of autumn, presenting its unique blend of temperate and mild conditions. The weather undergoes a subtle shift, with temperatures continuing their downward trend from September. The month displays a typical autumnal character, with decreasing daylight hours and a steady rise in humidity. Weather in October »Weather in November
The gradual descent into the colder months commences with November in Serravalle. November's temperatures experience a further tumble, with the mercury typically oscillating from 10.2°C (50.4°F) to 14.5°C (58.1°F). Concurrently, there is a significant increase in rainfall compared to October. Weather in November »Weather in December
December, the last month of the year in Serravalle, marks the city's return to wintertime. Visibly lower temperatures return, very similar to those observed in January. A slight uptick in snowfall also surfaces, reintroducing the city to its winterly snow-capped scenes. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Serravalle, San Marino
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (9°C).
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure
Serravalle, San Marino
- Average pressure in January:
1016.7mbar - Average pressure in February:
1014.7mbar - Average pressure in March:
1014.7mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1014mbar - Average pressure in June:
1013.8mbar
- Average pressure in July:
1013.4mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1015.6mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1014.8mbar - Average pressure in December:
1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed
Serravalle, San Marino
- Average wind speed in January:
12.2km/h - Average wind speed in February:
13.8km/h - Average wind speed in March:
13.7km/h - Average wind speed in April:
11.3km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
10.2km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
10.1km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
10.9km/h - Average wind speed in November:
11.6km/h - Average wind speed in December:
12km/h
The windiest month (with the highest average wind speed) is February (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity
Serravalle, San Marino
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is August (61%).
Average rainfall
Serravalle, San Marino
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is August (30mm).
Average rainfall days
Serravalle, San Marino
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
11 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
9.9 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is August (9.3 days).
Average snowfall
Serravalle, San Marino
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Serravalle, San Marino
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Serravalle, San Marino
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 42min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 24min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 36min - Average sunshine in September:
10h and 18min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 36min - Average sunshine in December:
6h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Serravalle, San Marino
- Average sunshine days in January:
17 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
18.7 days - Average sunshine days in September:
16 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
15.9 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is May (12.6 days).
Average UV index
Serravalle, San Marino
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Serravalle, San Marino
The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Serravalle, San Marino
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





