San Marino, San Marino Weather

San Marino 🇸🇲 · Local time 09:00
46°
Sunny Feels like 36° · High 46° / Low 41°
Wind
31 mph
Humidity
76%
1 Low
Updated 1 hour ago

San Marino hourly forecast: next 24 hours

Today's high of 46°F (8°C) is about 34°F (19°C) below the typical August high of 80°F (27°C).

Now
10 AM
11 AM
25%
12 PM
74%
1 PM
59%
2 PM
62%
3 PM
26%
4 PM
26%
5 PM
32%
6 PM
30%
7 PM
28%
8 PM
25%
8:11 PM
Sunset
9 PM
17%
10 PM
26%
11 PM
26%
12 AM
30%
1 AM
31%
2 AM
31%
3 AM
35%
4 AM
36%
5 AM
33%
6 AM
36%
6:17 AM
Sunrise
7 AM
34%
8 AM
28%

Full San Marino hourly forecast →

Current conditions in detail

Feels like
36°
Wind
31 mph
WNW · gusts 42 mph
Humidity
76%
Pressure
29.64 in
Visibility
6 mi
Precipitation
0.0 in
76% chance today

San Marino weather tomorrow (Tuesday, August 18)

Tomorrow in San Marino looks sunny, with a high of 48° and an overnight low of 43°. There is a 62% chance of rain - plan accordingly. Winds top out near 36 mph, and the UV index reaches 7 (high).

High / Low
48° / 43°
Precipitation
62%
Sunrise / sunset
06:17 AM / 08:10 PM

See the full San Marino 14-day forecast →

San Marino 14-day forecast

Today
Patchy rain nearby
High 46° Low 41°
Chance of precipitation: 76%
Tue, Aug 18 Tuesday
Sunny
High 48° Low 43°
Chance of precipitation: 62%
Wed, Aug 19 Wednesday
Patchy rain nearby
High 49° Low 40°
Chance of precipitation: 83%
Thu, Aug 20 Thursday
Patchy rain nearby
High 49° Low 45°
Chance of precipitation: 60%
Fri, Aug 21 Friday
Patchy rain nearby
High 51° Low 47°
Chance of precipitation: 81%
Sat, Aug 22 Saturday
Overcast
High 48° Low 47°
Chance of precipitation: 26%
Sun, Aug 23 Sunday
Patchy rain nearby
High 49° Low 45°
Chance of precipitation: 63%
Mon, Aug 24 Monday
Overcast
High 46° Low 43°
Chance of precipitation: 39%
Tue, Aug 25 Tuesday
Overcast
High 51° Low 43°
Chance of precipitation: 31%
Wed, Aug 26 Wednesday
Overcast
High 52° Low 49°
Chance of precipitation: 90%
Thu, Aug 27 Thursday
Patchy rain nearby
High 47° Low 41°
Chance of precipitation: 59%
Fri, Aug 28 Friday
Patchy rain nearby
High 47° Low 40°
Chance of precipitation: 63%
Sat, Aug 29 Saturday
Light sleet showers
High 42° Low 38°
Chance of precipitation: 71%
Sun, Aug 30 Sunday
Patchy rain nearby
High 43° Low 41°
Chance of precipitation: 57%

About the weather in San Marino

Located in San Marino, San Marino experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 82°F (28°C) in July and dip to about 44°F (6°C) in January, with around 39.8 inches (1010 mm) of precipitation falling across the year.

San Marino weather: quick facts

  • Hottest month: July - highs near 82°F (28°C)
  • Coldest month: January - highs near 44°F (6°C)
  • Record high: 98°F (37°C) · Record low: 10°F (-12°C) (2015–2024)
  • Wettest month: May (14 rainy days) · Sunniest: July (13.7 h sun/day)
  • Climate type: humid subtropical - hot, humid summers and generally mild winters
  • Snow: about 7 days a year

Temperatures through the year

The warmest stretch of the year centers on July. Highs average 82°F (28°C) and overnight lows stay near 63°F (17°C). The coolest month is January, with typical highs of 44°F (6°C) and lows around 31°F (-1°C). Based on 2015–2024 weather data, temperatures have reached as high as 98°F (37°C) and dropped as low as 10°F (-12°C).

Rain, sun and snow

May is usually the wettest month. It brings about 5.1 inches (130 mm) of rain over 14 days, while July is the driest. July brings the most sunshine, averaging 13.7 hours of sun a day. Snow falls on about 7 days in a typical year, mostly from December through March.

Season by season

Spring (March through May)

Spring in San Marino is crisp but comfortable, with daytime highs averaging 58°F (14°C) and nights around 42°F (6°C); expect showers on roughly 36 days across the season.

Summer (June through August)

Summer in San Marino is mild and warm, with daytime highs averaging 79°F (26°C) and nights around 61°F (16°C); expect showers on roughly 25 days across the season.

Fall (September through November)

Fall in San Marino stays on the cool side of mild, with daytime highs averaging 62°F (17°C) and nights around 48°F (9°C); expect showers on roughly 33 days across the season.

Winter (December through February)

Winter in San Marino is chilly, with daytime highs averaging 46°F (8°C) and nights around 33°F (0°C); expect showers on roughly 29 days across the season, plus around 6 snowy days.

Average temperatures in San Marino by month

Monthly averages for San Marino based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 44° 31° 10 3.1 in 6.1 h/day 81%
February 48° 33° 10 3.7 in 7.3 h/day 77%
March 51° 36° 10 3.0 in 9.0 h/day 73%
April 58° 41° 11 2.8 in 10.6 h/day 70%
May 65° 49° 14 5.1 in 11.2 h/day 72%
June 76° 58° 9 2.4 in 13.1 h/day 64%
July 82° 63° 8 1.8 in 13.7 h/day 59%
August 80° 63° 8 2.4 in 12.3 h/day 62%
September 71° 55° 10 3.8 in 10.3 h/day 71%
October 63° 49° 11 4.4 in 8.1 h/day 79%
November 53° 40° 12 4.4 in 6.0 h/day 83%
December 47° 34° 9 2.8 in 5.9 h/day 83%

Explore San Marino's full climate guide →

Common questions

What is the hottest month in San Marino?
July is the hottest month in San Marino, with average highs of 82°F (28°C) and overnight lows near 63°F (17°C). In the past decade the temperature has peaked at 98°F (37°C).
What is the coldest month in San Marino?
January is the coldest month, with highs averaging 44°F (6°C) and lows around 31°F (-1°C). The lowest reading in recent years was 10°F (-12°C).
What is the rainiest month in San Marino?
May is typically the wettest month, averaging 5.1 inches (130 mm) of precipitation across about 14 days. July is usually the driest.
Does it snow in San Marino?
Yes. San Marino averages about 7 days of snowfall a year, concentrated December through March.
What is the best time to visit San Marino?
The best time to visit San Marino is generally June to October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 74°F (23°C).
How sunny is San Marino?
San Marino averages 9.5 hours of sunshine per day across the year. July is the sunniest month at about 13.7 hours of sun a day.
Is San Marino humid?
Relative humidity in San Marino averages about 73% over the year, which feels fairly humid. The most comfortable months tend to fall in the drier part of the year.