San Marino, San Marino Weather

San Marino 🇸🇲 · Local time 20:01
85°
Sunny Feels like 92° · High 90° / Low 75°
Wind
8 mph
Humidity
79%
0 Low
Updated just now

San Marino hourly forecast: next 24 hours

Today's high of 90°F (32°C) is about 8°F (4°C) above the typical July high of 82°F (28°C).

Now
8:49 PM
Sunset
9 PM
10 PM
11 PM
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
5:44 AM
Sunrise
6 AM
7 AM
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
57%
3 PM
4 PM
5 PM
58%
6 PM
7 PM
19%

Full San Marino hourly forecast →

Current conditions in detail

Feels like
92°
Wind
8 mph
ENE · gusts 10 mph
Humidity
79%
Visibility
6 mi
Precipitation
0.0 in
5% chance today

San Marino weather tomorrow (Saturday, July 18)

Tomorrow in San Marino looks sunny, with a high of 86° and an overnight low of 75°. There is a 57% chance of rain - plan accordingly. Winds top out near 14 mph, and the UV index reaches 8 (very high).

High / Low
86° / 75°
Precipitation
57%
Sunrise / sunset
05:44 AM / 08:48 PM

See the full San Marino 14-day forecast →

San Marino 14-day forecast

Today
Sunny
High 90° Low 75°
Chance of precipitation: 5%
Sat, Jul 18 Saturday
Sunny
High 86° Low 75°
Chance of precipitation: 57%
Sun, Jul 19 Sunday
Sunny
High 84° Low 73°
Chance of precipitation: 17%
Mon, Jul 20 Monday
Sunny
High 80° Low 73°
Chance of precipitation: 57%
Tue, Jul 21 Tuesday
Sunny
High 77° Low 70°
Chance of precipitation: 60%
Wed, Jul 22 Wednesday
Sunny
High 77° Low 69°
Chance of precipitation: 2%
Thu, Jul 23 Thursday
Light rain shower
High 71° Low 66°
Chance of precipitation: 67%
Fri, Jul 24 Friday
Sunny
High 76° Low 65°
Chance of precipitation: 57%
Sat, Jul 25 Saturday
Sunny
High 79° Low 71°
Chance of precipitation: 2%
Sun, Jul 26 Sunday
Sunny
High 82° Low 70°
Chance of precipitation: 2%
Mon, Jul 27 Monday
Sunny
High 84° Low 71°
Chance of precipitation: 2%
Tue, Jul 28 Tuesday
Sunny
High 86° Low 71°
Chance of precipitation: 57%
Wed, Jul 29 Wednesday
Patchy rain nearby
High 83° Low 73°
Chance of precipitation: 18%
Thu, Jul 30 Thursday
Sunny
High 84° Low 71°
Chance of precipitation: 59%

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.