Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary

Church First Roman Catholic cathedral built in United States

An early-19th-century cathedral by Benjamin Henry Latrobe in Baltimore, visited for its pioneering American ecclesiastical architecture, guided tours, historic interior and exhibitions on U.S. Catholic history.

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The Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary, commonly called the Baltimore Basilica, is a Roman Catholic cathedral in Baltimore, Maryland and a landmark of early American architecture. It was designed by Benjamin Henry Latrobe and built in the early 19th century.

The interior is noted for its neoclassical plan with a large central dome, a broad nave, and period detailing that illustrate early U.S. church design. Visitors come to view the Latrobe design, the dome and nave proportions, and the restored historic interior; guided tours are offered.

Construction took place in the early 1800s under Latrobe, and the building served as the cathedral seat of the first Catholic diocese established in the United States. The basilica has undergone restoration to preserve original finishes and architectural features.

The basilica sits in central Baltimore in the Mount Vernon neighborhood, a short walk from the city’s cultural institutions and civic landmarks.

  • Origins: Designed by Benjamin Henry Latrobe; construction ran roughly 1806-1821 and it is widely known as the first Roman Catholic cathedral built in the United States.
  • Visitor note: Open for guided tours and liturgies with interior features including a large central dome and neoclassical nave that reflect early American ecclesiastical architecture.
Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary
409 Cathedral St, Baltimore, MD 21201, United States
39.2944, -76.6162
Daily 9:00am-5:00pm
Free (donations welcome)

How to Get to Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary #

The basilica sits at 409 Cathedral Street in Mount Vernon, about 0.5-0.8 miles north of Baltimore’s Inner Harbor (a 10-20 minute walk). From Baltimore Penn Station it’s roughly 0.7 miles (15-20 minutes on foot); the nearest bus routes serve Charles and Fayette streets. Street parking in Mount Vernon is limited; use rideshares or park-and-walk in the Civic Center lots.

Tips for Visiting Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary #

  • Attend a weekday mid-morning Mass to hear the basilica's organ and avoid the largest tour groups.
  • Ask a docent about Benjamin Henry Latrobe's surviving sketches - the way light was imagined for the dome is easy to miss.
  • Stand in the shallow crypt for a moment of silence; the marble floor is worn where generations of pilgrims have paused.

Best Time to Visit Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary #

Best visited outside summer weekends when Baltimore's cruise and convention traffic raises crowds. Interior visits are calmest weekday mornings.

Spring (Mar-May)
March-May · 40-65°F (4-18°C)
Cool air and fewer tourist groups make the Mount Vernon neighborhood pleasant for walking between the basilica and nearby museums.
Fall (Sep-Nov)
September-November · 45-70°F (7-21°C)
Crisp afternoons bring cleaner light through the dome; city cultural season resumes and small concerts are more likely.

Weather & Climate near Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary #

Climate

Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -4°C to 31°C. Abundant rainfall (1110 mm/year), wettest in May, distributed fairly evenly throughout the year.

Air Quality: AQI 33 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
39°
Warmest Month
-22°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 5°C and lows of -4°C. Regular rainfall (86 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
84%
Humidity
Very Humid

Weather

86 mm
Rainfall
4.0 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.6h daylight

February

February is cold with highs of 7°C and lows of -2°C. Moderate rainfall (75 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
82%
Humidity
Very Humid

Weather

75 mm
Rainfall
4.1 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.6h daylight

March

March is cold with highs of 12°C and lows of 2°C. Regular rainfall (100 mm) and partly cloudy skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
80%
Humidity
Very Humid

Weather

100 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 19°C and lows of 7°C. Regular rainfall (84 mm) and partly cloudy skies.

70 Very Good

Comfort

13°
Feels Like Cool
13°C
Temperature
19°
77%
Humidity
Very Humid

Weather

84 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.2
UV Index
High
13.1h daylight

May

May is mild with highs of 24°C and lows of 13°C. The wettest month with heavy rain (108 mm) and partly cloudy skies.

74 Very Good

Comfort

19°
Feels Like Mild
19°C
Temperature
13° 25°
79%
Humidity
Very Humid

Weather

108 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.5
UV Index
Very High
14.2h daylight

June

June is mild with highs of 29°C and lows of 18°C. Regular rainfall (92 mm) and partly cloudy skies.

82 Excellent

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 29°
76%
Humidity
Very Humid

Weather

92 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.8
UV Index
Very High
14.7h daylight

July

July is the warmest month with highs of 31°C and lows of 21°C. Significant rainfall (101 mm) and partly cloudy skies.

80 Excellent

Comfort

26°
Feels Like Warm
26°C
Temperature
21° 31°
70%
Humidity
Humid

Weather

101 mm
Rainfall
3.2 m/s
Wind
Light Breeze
1.9
UV Index
Very High
14.5h daylight

August

August is warm with highs of 30°C and lows of 20°C. Significant rainfall (102 mm) and partly cloudy skies.

80 Excellent

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 30°
70%
Humidity
Humid

Weather

102 mm
Rainfall
3.0 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.5h daylight

September

September is mild with highs of 27°C and lows of 16°C. Regular rainfall (100 mm) and partly cloudy skies.

80 Excellent

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 27°
72%
Humidity
Very Humid

Weather

100 mm
Rainfall
3.2 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cool with highs of 20°C and lows of 9°C. Regular rainfall (81 mm) and partly cloudy skies.

70 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
21°
77%
Humidity
Very Humid

Weather

81 mm
Rainfall
3.3 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
11.0h daylight

November

November is cold with highs of 14°C and lows of 4°C. Regular rainfall (90 mm) and partly cloudy skies.

60 Good

Comfort

Feels Like Cold
C
Temperature
14°
80%
Humidity
Very Humid

Weather

90 mm
Rainfall
3.7 m/s
Wind
Light Breeze
0.4
UV Index
Low
9.9h daylight

December

December is cold with highs of 8°C and lows of -1°C. Regular rainfall (91 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
85%
Humidity
Very Humid

Weather

91 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.3h daylight

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